<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">I hadn’t revisited it yet, but it is possible to use cgroups to limit glusterfs’s cpu usage, might help you out.<div class=""><br class=""></div><div class="">Andrew Wklau has a blog post about it:&nbsp;<a href="http://www.andrewklau.com/controlling-glusterfsd-cpu-outbreaks-with-cgroups/" class="">http://www.andrewklau.com/controlling-glusterfsd-cpu-outbreaks-with-cgroups/</a></div><div class=""><br class=""></div><div class="">Careful about how far you throttle it down, if it’s your VMs disk it’s rebuilding, you’ll pause it anyway I’d expect.</div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Apr 4, 2015, at 8:57 AM, Jorick Astrego &lt;<a href="mailto:j.astrego@netbulae.eu" class="">j.astrego@netbulae.eu</a>&gt; wrote:</div><br class="Apple-interchange-newline"><div class="">
  
    <meta content="text/html; charset=windows-1252" http-equiv="Content-Type" class="">
  
  <div bgcolor="#FFFFFF" text="#000000" class="">
    <br class="">
    <br class="">
    <div class="moz-cite-prefix">On 04/03/2015 10:04 PM, Alastair Neil
      wrote:<br class="">
    </div>
    <blockquote cite="mid:CA+SarwqNuvVGUDDjhDRbNii-foMGAyaVibxyMGM5AEPzRkDu+w@mail.gmail.com" type="cite" class="">
      <div dir="ltr" class="">Any follow up on this?
        <div class=""><br class="">
        </div>
        <div class="">&nbsp;Are there known issues using a replica 3 glsuter datastore
          with lvm thin provisioned bricks?</div>
      </div>
      <div class="gmail_extra"><br class="">
        <div class="gmail_quote">On 20 March 2015 at 15:22, Alastair
          Neil <span dir="ltr" class="">&lt;<a moz-do-not-send="true" href="mailto:ajneil.tech@gmail.com" target="_blank" class="">ajneil.tech@gmail.com</a>&gt;</span>
          wrote:<br class="">
          <blockquote class="gmail_quote" style="margin:0 0 0
            .8ex;border-left:1px #ccc solid;padding-left:1ex">
            <div dir="ltr" class="">
              <div class="">CentOS 6.6</div>
              <span class="">
                <div class="">&nbsp;</div>
                <blockquote class="gmail_quote" style="font-size:13px;margin:0px 0px 0px
0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">&nbsp;vdsm-4.16.10-8.gitc937927.el6<br class="">
                  glusterfs-3.6.2-1.el6<br class="">
                  2.6.32 - 504.8.1.el6.x86_64</blockquote>
                <div class=""><br class="">
                </div>
              </span>
              <div class="">moved to 3.6 specifically to get the snapshotting
                feature, hence my desire to migrate to thinly
                provisioned lvm bricks.</div>
            </div>
          </blockquote>
        </div>
      </div>
    </blockquote>
    <br class="">
    <br class="">
    Well on the glusterfs mailinglist there have been discussions:<br class="">
    <br class="">
    <br class="">
    <blockquote type="cite" class="">3.6.2 is a major release and introduces some
      new features in cluster wide concept. Additionally it is not
      stable yet.</blockquote>
    <br class="">
    <br class="">
    <br class="">
    <br class="">
    <blockquote cite="mid:CA+SarwqNuvVGUDDjhDRbNii-foMGAyaVibxyMGM5AEPzRkDu+w@mail.gmail.com" type="cite" class="">
      <div class="gmail_extra">
        <div class="gmail_quote">
          <blockquote class="gmail_quote" style="margin:0 0 0
            .8ex;border-left:1px #ccc solid;padding-left:1ex">
            <div dir="ltr" class="">
              <div class=""><br class="">
              </div>
              <div class="gmail_extra"><br class="">
                <div class="gmail_quote">On 20 March 2015 at 14:57,
                  Darrell Budic <span dir="ltr" class="">&lt;<a moz-do-not-send="true" href="mailto:budic@onholyground.com" target="_blank" class="">budic@onholyground.com</a>&gt;</span>
                  wrote:<br class="">
                  <blockquote class="gmail_quote" style="margin:0 0 0
                    .8ex;border-left:1px #ccc solid;padding-left:1ex">
                    <div style="word-wrap:break-word" class="">What version of
                      gluster are you running on these?
                      <div class=""><br class="">
                      </div>
                      <div class="">I’ve seen high load during heals bounce my
                        hosted engine around due to overall system load,
                        but never pause anything else. Cent 7 combo
                        storage/host systems, gluster 3.5.2.</div>
                      <div class="">
                        <div class="">
                          <div class=""><br class="">
                          </div>
                          <div class=""><br class="">
                            <div class="">
                              <blockquote type="cite" class="">
                                <div class="">On Mar 20, 2015, at 9:57 AM,
                                  Alastair Neil &lt;<a moz-do-not-send="true" href="mailto:ajneil.tech@gmail.com" target="_blank" class="">ajneil.tech@gmail.com</a>&gt;
                                  wrote:</div>
                                <br class="">
                                <div class="">
                                  <div dir="ltr" class="">Pranith
                                    <div class=""><br class="">
                                    </div>
                                    <div class="">I have run a pretty
                                      straightforward test.&nbsp; I created a
                                      two brick 50 G replica volume with
                                      normal lvm bricks, and installed
                                      two servers, one centos 6.6 and
                                      one centos 7.0.&nbsp; I kicked off
                                      bonnie++ on both to generate some
                                      file system activity and then made
                                      the volume replica 3.&nbsp; I saw no
                                      issues on the servers. &nbsp;&nbsp;</div>
                                    <div class=""><br class="">
                                    </div>
                                    <div class="">Not clear if this is a
                                      sufficiently rigorous test and the
                                      Volume I have had issues on is a
                                      3TB volume &nbsp;with about 2TB used.</div>
                                    <div class=""><br class="">
                                    </div>
                                    <div class="">-Alastair</div>
                                    <div class=""><br class="">
                                    </div>
                                    <div class="gmail_extra"><br class="">
                                      <div class="gmail_quote">On 19
                                        March 2015 at 12:30, Alastair
                                        Neil <span dir="ltr" class="">&lt;<a moz-do-not-send="true" href="mailto:ajneil.tech@gmail.com" target="_blank" class="">ajneil.tech@gmail.com</a>&gt;</span>
                                        wrote:<br class="">
                                        <blockquote class="gmail_quote" style="margin:0 0 0
                                          .8ex;border-left:1px #ccc
                                          solid;padding-left:1ex">
                                          <div dir="ltr" class="">I don't think I
                                            have the resources to test
                                            it meaningfully.&nbsp; I have
                                            about 50 vms on my primary
                                            storage domain.&nbsp; I might be
                                            able to set up a small 50 GB
                                            volume and provision 2 or 3
                                            vms running test loads but
                                            I'm not sure it would be
                                            comparable.&nbsp; I'll give it a
                                            try and let you know if I
                                            see similar behaviour.</div>
                                          <div class="">
                                            <div class="">
                                              <div class="gmail_extra"><br class="">
                                                <div class="gmail_quote">On
                                                  19 March 2015 at
                                                  11:34, Pranith Kumar
                                                  Karampuri <span dir="ltr" class="">&lt;<a moz-do-not-send="true" href="mailto:pkarampu@redhat.com" target="_blank" class="">pkarampu@redhat.com</a>&gt;</span>
                                                  wrote:<br class="">
                                                  <blockquote class="gmail_quote" style="margin:0 0 0
                                                    .8ex;border-left:1px
                                                    #ccc
                                                    solid;padding-left:1ex">
                                                    <div text="#000000" bgcolor="#FFFFFF" class="">
                                                      Without thinly
                                                      provisioned lvm.<span class=""><font color="#888888" class=""><br class="">
                                                          <br class="">
                                                          Pranith</font></span>
                                                      <div class="">
                                                        <div class=""><br class="">
                                                          <div class="">On
                                                          03/19/2015
                                                          08:01 PM,
                                                          Alastair Neil
                                                          wrote:<br class="">
                                                          </div>
                                                          <blockquote type="cite" class="">
                                                          <div dir="ltr" class="">do
                                                          you mean raw
                                                          partitions as
                                                          bricks or
                                                          simply with
                                                          out thin
                                                          provisioned
                                                          lvm?
                                                          <div class=""><br class="">
                                                          </div>
                                                          <div class=""><br class="">
                                                          </div>
                                                          </div>
                                                          <div class="gmail_extra"><br class="">
                                                          <div class="gmail_quote">On
                                                          19 March 2015
                                                          at 00:32,
                                                          Pranith Kumar
                                                          Karampuri <span dir="ltr" class="">&lt;<a moz-do-not-send="true" href="mailto:pkarampu@redhat.com" target="_blank" class="">pkarampu@redhat.com</a>&gt;</span>
                                                          wrote:<br class="">
                                                          <blockquote class="gmail_quote" style="margin:0
                                                          0 0
                                                          .8ex;border-left:1px
                                                          #ccc
                                                          solid;padding-left:1ex">
                                                          <div text="#000000" bgcolor="#FFFFFF" class=""> Could you let me know if you see this problem without
                                                          lvm as well?<span class=""><font color="#888888" class=""><br class="">
                                                          <br class="">
                                                          Pranith</font></span>
                                                          <div class="">
                                                          <div class=""><br class="">
                                                          <div class="">On
                                                          03/18/2015
                                                          08:25 PM,
                                                          Alastair Neil
                                                          wrote:<br class="">
                                                          </div>
                                                          <blockquote type="cite" class="">
                                                          <div dir="ltr" class="">I
                                                          am in the
                                                          process of
                                                          replacing the
                                                          bricks with
                                                          thinly
                                                          provisioned
                                                          lvs yes.
                                                          <div class=""><br class="">
                                                          </div>
                                                          <div class=""><br class="">
                                                          </div>
                                                          </div>
                                                          <div class="gmail_extra"><br class="">
                                                          <div class="gmail_quote">On
                                                          18 March 2015
                                                          at 09:35,
                                                          Pranith Kumar
                                                          Karampuri <span dir="ltr" class="">&lt;<a moz-do-not-send="true" href="mailto:pkarampu@redhat.com" target="_blank" class="">pkarampu@redhat.com</a>&gt;</span>
                                                          wrote:<br class="">
                                                          <blockquote class="gmail_quote" style="margin:0
                                                          0 0
                                                          .8ex;border-left:1px
                                                          #ccc
                                                          solid;padding-left:1ex">
                                                          <div text="#000000" bgcolor="#FFFFFF" class=""> hi,<br class="">
                                                          &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Are you
                                                          using thin-lvm
                                                          based backend
                                                          on which the
                                                          bricks are
                                                          created?<br class="">
                                                          <br class="">
                                                          Pranith
                                                          <div class="">
                                                          <div class=""><br class="">
                                                          <div class="">On
                                                          03/18/2015
                                                          02:05 AM,
                                                          Alastair Neil
                                                          wrote:<br class="">
                                                          </div>
                                                          </div>
                                                          </div>
                                                          <blockquote type="cite" class="">
                                                          <div class="">
                                                          <div class="">
                                                          <div dir="ltr" class="">I
                                                          have a Ovirt
                                                          cluster with 6
                                                          VM hosts and 4
                                                          gluster nodes.
                                                          There are two
                                                          virtualisation
                                                          clusters one
                                                          with two
                                                          nehelem nodes
                                                          and one with
                                                          &nbsp;four
                                                          &nbsp;sandybridge
                                                          nodes. My
                                                          master storage
                                                          domain is a
                                                          GlusterFS
                                                          backed by a
                                                          replica 3
                                                          gluster volume
                                                          from 3 of the
                                                          gluster
                                                          nodes.&nbsp; The
                                                          engine is a
                                                          hosted engine
                                                          3.5.1 on 3 of
                                                          the
                                                          sandybridge
                                                          nodes, with
                                                          storage
                                                          broviede by
                                                          nfs from a
                                                          different
                                                          gluster
                                                          volume.&nbsp; All
                                                          the hosts are
                                                          CentOS 6.6.
                                                          <div class=""><br class="">
                                                          </div>
                                                          <blockquote class="gmail_quote" style="margin:0px
                                                          0px 0px
0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">&nbsp;vdsm-4.16.10-8.gitc937927.el6<br class="">
glusterfs-3.6.2-1.el6<br class="">
                                                          2.6.32 -
                                                          504.8.1.el6.x86_64</blockquote>
                                                          <div class=""><br class="">
                                                          </div>
                                                          <div class="">Problems
                                                          happen when I
                                                          try to add a
                                                          new brick or
                                                          replace a
                                                          brick
                                                          eventually the
                                                          self heal will
                                                          kill the VMs.
                                                          In the VM's
                                                          logs I see
                                                          kernel hung
                                                          task
                                                          messages.&nbsp;</div>
                                                          <div class=""><br class="">
                                                          </div>
                                                          <div class="">
                                                          <blockquote class="gmail_quote" style="margin:0px
                                                          0px 0px
0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel: INFO:
                                                          task
                                                          nginx:1736
                                                          blocked for
                                                          more than 120
                                                          seconds.<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel: &nbsp; &nbsp;
                                                          &nbsp;Not tainted
                                                          2.6.32-504.3.3.el6.x86_64
                                                          #1<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel: "echo
                                                          0 &gt;
                                                          /proc/sys/kernel/hung_task_timeout_secs"
                                                          disables this
                                                          message.<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel: nginx
                                                          &nbsp; &nbsp; &nbsp; &nbsp; D
                                                          0000000000000001
                                                          &nbsp; &nbsp; 0 &nbsp;1736 &nbsp;
                                                          1735
                                                          0x00000080<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          ffff8800778b17a8
                                                          0000000000000082

                                                          0000000000000000

00000000000126c0<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          ffff88007e5c6500
                                                          ffff880037170080

                                                          0006ce5c85bd9185

ffff88007e5c64d0<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          ffff88007a614ae0
                                                          00000001722b64ba

                                                          ffff88007a615098

ffff8800778b1fd8<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel: Call
                                                          Trace:<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          [&lt;ffffffff8152a885&gt;]
schedule_timeout+0x215/0x2e0<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          [&lt;ffffffff8152a503&gt;]
wait_for_common+0x123/0x180<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          [&lt;ffffffff81064b90&gt;]
                                                          ?
                                                          default_wake_function+0x0/0x20<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          [&lt;ffffffffa0210a76&gt;]
                                                          ?
                                                          _xfs_buf_read+0x46/0x60
                                                          [xfs]<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          [&lt;ffffffffa02063c7&gt;]
                                                          ?
                                                          xfs_trans_read_buf+0x197/0x410
                                                          [xfs]<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          [&lt;ffffffff8152a61d&gt;]
wait_for_completion+0x1d/0x20<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          [&lt;ffffffffa020ff5b&gt;]
                                                          xfs_buf_iowait+0x9b/0x100

                                                          [xfs]<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          [&lt;ffffffffa02063c7&gt;]
                                                          ?
                                                          xfs_trans_read_buf+0x197/0x410
                                                          [xfs]<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          [&lt;ffffffffa0210a76&gt;]
                                                          _xfs_buf_read+0x46/0x60
                                                          [xfs]<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          [&lt;ffffffffa0210b3b&gt;]
                                                          xfs_buf_read+0xab/0x100
                                                          [xfs]<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          [&lt;ffffffffa02063c7&gt;]
                                                          xfs_trans_read_buf+0x197/0x410

                                                          [xfs]<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          [&lt;ffffffffa01ee6a4&gt;]
                                                          xfs_imap_to_bp+0x54/0x130

                                                          [xfs]<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          [&lt;ffffffffa01f077b&gt;]
                                                          xfs_iread+0x7b/0x1b0
                                                          [xfs]<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          [&lt;ffffffff811ab77e&gt;]
                                                          ?
                                                          inode_init_always+0x11e/0x1c0<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          [&lt;ffffffffa01eb5ee&gt;]
                                                          xfs_iget+0x27e/0x6e0
                                                          [xfs]<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          [&lt;ffffffffa01eae1d&gt;]
                                                          ?
                                                          xfs_iunlock+0x5d/0xd0
                                                          [xfs]<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          [&lt;ffffffffa0209366&gt;]
                                                          xfs_lookup+0xc6/0x110
                                                          [xfs]<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          [&lt;ffffffffa0216024&gt;]
                                                          xfs_vn_lookup+0x54/0xa0
                                                          [xfs]<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          [&lt;ffffffff8119dc65&gt;]
do_lookup+0x1a5/0x230<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          [&lt;ffffffff8119e8f4&gt;]
__link_path_walk+0x7a4/0x1000<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          [&lt;ffffffff811738e7&gt;]
                                                          ?
                                                          cache_grow+0x217/0x320<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          [&lt;ffffffff8119f40a&gt;]
path_walk+0x6a/0xe0<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          [&lt;ffffffff8119f61b&gt;]
filename_lookup+0x6b/0xc0<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          [&lt;ffffffff811a0747&gt;]
user_path_at+0x57/0xa0<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          [&lt;ffffffffa0204e74&gt;]
                                                          ?
                                                          _xfs_trans_commit+0x214/0x2a0
                                                          [xfs]<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          [&lt;ffffffffa01eae3e&gt;]
                                                          ?
                                                          xfs_iunlock+0x7e/0xd0
                                                          [xfs]<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          [&lt;ffffffff81193bc0&gt;]
vfs_fstatat+0x50/0xa0<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          [&lt;ffffffff811aaf5d&gt;]
                                                          ?
                                                          touch_atime+0x14d/0x1a0<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          [&lt;ffffffff81193d3b&gt;]
vfs_stat+0x1b/0x20<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          [&lt;ffffffff81193d64&gt;]
sys_newstat+0x24/0x50<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          [&lt;ffffffff810e5c87&gt;]
                                                          ?
                                                          audit_syscall_entry+0x1d7/0x200<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          [&lt;ffffffff810e5a7e&gt;]
                                                          ?
                                                          __audit_syscall_exit+0x25e/0x290<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">Mar
                                                          12 23:05:16
                                                          static1
                                                          kernel:
                                                          [&lt;ffffffff8100b072&gt;]
system_call_fastpath+0x16/0x1b</font></blockquote>
                                                          </div>
                                                          <div class=""><br class="">
                                                          </div>
                                                          <div class=""><br class="">
                                                          </div>
                                                          <div class="">I am
                                                          wondering if
                                                          my volume
                                                          settings are
                                                          causing this.&nbsp;
                                                          Can anyone
                                                          with more
                                                          knowledge take
                                                          a look and let
                                                          me know:</div>
                                                          <div class=""><br class="">
                                                          </div>
                                                          <div class="">
                                                          <blockquote class="gmail_quote" style="margin:0px
                                                          0px 0px
0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font face="monospace,
                                                          monospace" class="">network.remote-dio:


                                                          on<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">performance.stat-prefetch:



                                                          off<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">performance.io-cache:



                                                          off<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">performance.read-ahead:



                                                          off<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">performance.quick-read:



                                                          off<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">nfs.export-volumes:

                                                          on<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">network.ping-timeout:



                                                          20<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">cluster.self-heal-readdir-size:



                                                          64KB<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">cluster.quorum-type:



                                                          auto<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">cluster.data-self-heal-algorithm:



                                                          diff<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">cluster.self-heal-window-size:



                                                          8<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">cluster.heal-timeout:



                                                          500<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">cluster.self-heal-daemon:



                                                          on<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">cluster.entry-self-heal:



                                                          on<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">cluster.data-self-heal:



                                                          on<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">cluster.metadata-self-heal:



                                                          on<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">cluster.readdir-optimize:



                                                          on<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">cluster.background-self-heal-count:



                                                          20<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">cluster.rebalance-stats:



                                                          on<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">cluster.min-free-disk:



                                                          5%<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">cluster.eager-lock:

                                                          enable<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">storage.owner-uid:

                                                          36<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">storage.owner-gid:

                                                          36<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">auth.allow:*<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">user.cifs:
                                                          disable<br class="">
                                                          </font><font face="monospace,
                                                          monospace" class="">cluster.server-quorum-ratio:



                                                          51%</font></blockquote>
                                                          </div>
                                                          <div class=""><br class="">
                                                          </div>
                                                          <div class="">Many
                                                          Thanks,
                                                          &nbsp;Alastair</div>
                                                          <div class=""><br class="">
                                                          </div>
                                                          </div>
                                                          <br class="">
                                                          <fieldset class=""></fieldset>
                                                          <br class="">
                                                          </div>
                                                          </div>
                                                          <pre class="">_______________________________________________
Users mailing list
<a moz-do-not-send="true" href="mailto:Users@ovirt.org" target="_blank" class="">Users@ovirt.org</a>
<a moz-do-not-send="true" href="http://lists.ovirt.org/mailman/listinfo/users" target="_blank" class="">http://lists.ovirt.org/mailman/listinfo/users</a>
</pre>
                                                          </blockquote>
                                                          <br class="">
                                                          </div>
                                                          <br class="">
_______________________________________________<br class="">
                                                          Users mailing
                                                          list<br class="">
                                                          <a moz-do-not-send="true" href="mailto:Users@ovirt.org" target="_blank" class="">Users@ovirt.org</a><br class="">
                                                          <a moz-do-not-send="true" href="http://lists.ovirt.org/mailman/listinfo/users" target="_blank" class="">http://lists.ovirt.org/mailman/listinfo/users</a><br class="">
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                                                          </blockquote>
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                                                          <br class="">
                                                          </div>
                                                          </blockquote>
                                                          <br class="">
                                                          </div>
                                                          </div>
                                                          </div>
                                                          </blockquote>
                                                          </div>
                                                          <br class="">
                                                          </div>
                                                          </blockquote>
                                                          <br class="">
                                                        </div>
                                                      </div>
                                                    </div>
                                                  </blockquote>
                                                </div>
                                                <br class="">
                                              </div>
                                            </div>
                                          </div>
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_______________________________________________<br class="">
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                                  <a moz-do-not-send="true" href="mailto:Users@ovirt.org" target="_blank" class="">Users@ovirt.org</a><br class="">
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                                </div>
                              </blockquote>
                            </div>
                            <br class="">
                          </div>
                        </div>
                      </div>
                    </div>
                  </blockquote>
                </div>
                <br class="">
              </div>
            </div>
            <div class="HOEnZb">
              <div class="h5"><br class="">
              </div>
            </div>
          </blockquote>
        </div>
      </div>
    </blockquote>
    <br class="">
    <br class="">
    <blockquote cite="mid:CA+SarwqNuvVGUDDjhDRbNii-foMGAyaVibxyMGM5AEPzRkDu+w@mail.gmail.com" type="cite" class="">
      <div class="gmail_extra">
        <div class="gmail_quote">
          <blockquote class="gmail_quote" style="margin:0 0 0
            .8ex;border-left:1px #ccc solid;padding-left:1ex">
            <div class="HOEnZb">
              <div class="h5">
              </div>
            </div>
          </blockquote>
        </div>
        <br class="">
      </div>
      <br class="">
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <br class="">
      <pre wrap="" class="">_______________________________________________
Users mailing list
<a class="moz-txt-link-abbreviated" href="mailto:Users@ovirt.org">Users@ovirt.org</a>
<a class="moz-txt-link-freetext" href="http://lists.ovirt.org/mailman/listinfo/users">http://lists.ovirt.org/mailman/listinfo/users</a>
</pre>
    </blockquote>
    <br class="">
  <br class="">
<br class="">
<b style="color:#604c78" class=""></b><br class=""><span style="color:#604c78;" class=""><span style="mso-fareast-language:en-gb;" lang="NL" class="">Met vriendelijke groet, With kind regards,<br class=""><br class=""></span>Jorick Astrego</span><b style="color:#604c78" class=""><br class=""><br class="">Netbulae Virtualization Experts </b><br class=""><hr style="border:none;border-top:1px solid #ccc;" class=""><table style="width: 522px" class=""><tbody class=""><tr class=""><td style="width: 130px;font-size: 10px" class="">Tel:  053 20 30 270</td>    <td style="width: 130px;font-size: 10px" class=""><a href="mailto:info@netbulae.eu" class="">info@netbulae.eu</a></td>    <td style="width: 130px;font-size: 10px" class="">Staalsteden 4-3A</td>    <td style="width: 130px;font-size: 10px" class="">KvK 08198180</td></tr><tr class="">    <td style="width: 130px;font-size: 10px" class="">Fax: 053 20 30 271</td>    <td style="width: 130px;font-size: 10px" class=""><a href="http://www.netbulae.eu" class="">www.netbulae.eu</a></td>    <td style="width: 130px;font-size: 10px" class="">7547 TA Enschede</td>    <td style="width: 130px;font-size: 10px" class="">BTW NL821234584B01</td></tr></tbody></table><br class=""><hr style="border:none;border-top:1px solid #ccc;" class=""><br class="">
</div>


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