Re: [ovirt-users] I’m having trouble deleting a test gluster volume

Tuesday, 11 April 2017

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On 04/11/2017 11:28 PM, Precht, Andrew wrote:
...
 Hi all,
 The node is oVirt Node 4.1.1 with glusterfs-3.8.10-1.el7.
 On the node I can not find /var/log/glusterfs/glusterd.log However, 
 there is a /var/log/glusterfs/glustershd.log can you check if
/var/log/glusterfs/etc-glusterfs-glusterd.vol.log 
exists? if yes, can you check if there is any error present in that file ?
...

 What happens if I follow the four steps outlined here to remove the 
 volume from the node _BUT_, I do have another volume present in the 
 cluster. It too is a test volume. Neither one has any data on them. 
 So, data loss is not an issue. Running those four steps will remove the volume from
your cluster . If 
the volumes what you have are test volumes you could just follow the 
steps outlined to delete them (since you are not able to delete from UI) 
and bring back the cluster into a normal state.
...

 ------------------------------------------------------------------------
 *From:* knarra <knarra(a)redhat.com&gt;
 *Sent:* Tuesday, April 11, 2017 10:32:27 AM
 *To:* Sandro Bonazzola; Precht, Andrew; Sahina Bose; Tal Nisan; Allon 
 Mureinik; Nir Soffer
 *Cc:* users
 *Subject:* Re: [ovirt-users] Im having trouble deleting a test 
 gluster volume
 On 04/11/2017 10:44 PM, Sandro Bonazzola wrote:
> Adding some people
>
> Il 11/Apr/2017 19:06, "Precht, Andrew" <Andrew.Precht(a)sjlibrary.org 
> <mailto:Andrew.Precht@sjlibrary.org>> ha scritto:
>
>     Hi Ovirt users,
>     Im a newbie to oVirt and Im having trouble deleting a test
>     gluster volume. The nodes are 4.1.1 and the engine is 4.1.0
>
>     When I try to remove the test volume, I click Remove, the dialog
>     box prompting to confirm the deletion pops up and after I click
>     OK, the dialog box changes to show a little spinning wheel and
>     then it disappears. In the end the volume is still there.
>
 with the latest version of glusterfs & ovirt we do not see any issue 
 with deleting a volume. Can you please check 
 /var/log/glusterfs/glusterd.log file if there is any error present?

>     The test volume was distributed with two host members. One of the
>     hosts I was able to remove from the volume by removing the host
>     form the cluster. When I try to remove the remaining host in the
>     volume, even with the Force Remove box ticked, I get this
>     response: Cannot remove Host. Server having Gluster volume.
>
>     What to try next?
>
 since you have already removed the volume from one host in the cluster 
 and you still see it on another host you can do the following to 
 remove the volume from another host.

 1) Login to the host where the volume is present.
 2) cd to /var/lib/glusterd/vols
 3) rm -rf <vol_name>
 4) Restart glusterd on that  host.

 And before doing the above make sure that you do not have any other 
 volume present in the cluster.

 Above steps should not be run on a production system as you might 
 loose the volume and data.

 Now removing the host from UI should succed.

>
>     P.S. Ive tried to join this user group several times in the
>     past, with no response.
>     Is it possible for me to join this group?
>
>     Regards,
>     Andrew
>
>
>
> _______________________________________________
> Users mailing list
> Users(a)ovirt.org
> http://lists.ovirt.org/mailman/listinfo/users

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    <div class="moz-cite-prefix">On 04/11/2017 11:28 PM, Precht, Andrew
      wrote:<br>
    </div>
    <blockquote
cite="mid:BY1PR09MB08246AC41807C7DFFE7A3308F5000@BY1PR09MB0824.namprd09.prod.outlook.com"
      type="cite">
      <meta http-equiv="Content-Type" content="text/html;
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      <div id="divtagdefaultwrapper"
style="font-size:12pt;color:#000000;font-family:Calibri,Arial,Helvetica,sans-serif;"
        dir="ltr">
        <div>Hi all,</div>
        <div>The node is oVirt Node 4.1.1 with glusterfs-3.8.10-1.el7. </div>
        <div>On the node I can not find /var/log/glusterfs/glusterd.log
          However, there is a /var/log/glusterfs/glustershd.log <br>
        </div>
      </div>
    </blockquote>
    can you check if /var/log/glusterfs/etc-glusterfs-glusterd.vol.log
    exists? if yes, can you check if there is any error present in that
    file ?<span style="color: rgb(84, 84, 84); font-family: arial,
      sans-serif; font-size: small; font-style: normal;
      font-variant-ligatures: normal; font-variant-caps: normal;
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      white-space: normal; widows: 2; word-spacing: 0px;
      -webkit-text-stroke-width: 0px; background-color: rgb(255, 255,
      255); display: inline !important; float: none;"></span>
    <blockquote
cite="mid:BY1PR09MB08246AC41807C7DFFE7A3308F5000@BY1PR09MB0824.namprd09.prod.outlook.com"
      type="cite">
      <div id="divtagdefaultwrapper"
style="font-size:12pt;color:#000000;font-family:Calibri,Arial,Helvetica,sans-serif;"
        dir="ltr">
        <div><br>
        </div>
        <div>What happens if I follow the four steps outlined here to
          remove the volume from the node
          <u>BUT</u>, I do have another volume present in the cluster.
          It too is a test volume. Neither one has any data on them. So,
          data loss is not an issue.</div>
      </div>
    </blockquote>
    Running those four steps will remove the volume from your cluster .
    If the volumes what you have are test volumes you could just follow
    the steps outlined to delete them (since you are not able to delete
    from UI) and bring back the cluster into a normal state.<br>
    <blockquote
cite="mid:BY1PR09MB08246AC41807C7DFFE7A3308F5000@BY1PR09MB0824.namprd09.prod.outlook.com"
      type="cite">
      <div id="divtagdefaultwrapper"
style="font-size:12pt;color:#000000;font-family:Calibri,Arial,Helvetica,sans-serif;"
        dir="ltr">
        <br>
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      <hr style="display:inline-block;width:98%" tabindex="-1">
      <div id="divRplyFwdMsg" dir="ltr"><font
style="font-size:11pt"
          color="#000000" face="Calibri,
sans-serif"><b>From:</b> knarra
          <a class="moz-txt-link-rfc2396E"
href="mailto:knarra@redhat.com">&lt;knarra@redhat.com&gt;</a><br>
          <b>Sent:</b> Tuesday, April 11, 2017 10:32:27 AM<br>
          <b>To:</b> Sandro Bonazzola; Precht, Andrew; Sahina Bose; Tal
          Nisan; Allon Mureinik; Nir Soffer<br>
          <b>Cc:</b> users<br>
          <b>Subject:</b> Re: [ovirt-users] Im having trouble deleting
          a test gluster volume</font>
        <div> </div>
      </div>
      <div>
        <div class="moz-cite-prefix">On 04/11/2017 10:44 PM, Sandro
          Bonazzola wrote:<br>
        </div>
        <blockquote
cite="mid:CAPQRNTk8iieOFrM0GHeCjkozBSxoA3WoLaOr+EAAHgY_oAbkkQ@mail.gmail.com"
          type="cite">
          <div dir="auto">Adding some people</div>
          <div class="gmail_extra"><br>
            <div class="gmail_quote">Il 11/Apr/2017 19:06, "Precht,
              Andrew" &lt;<a moz-do-not-send="true"

href="mailto:Andrew.Precht@sjlibrary.org">Andrew.Precht@sjlibrary.org</a>&gt;
              ha scritto:<br type="attribution">
              <blockquote class="gmail_quote" style="margin:0 0 0
                .8ex;border-left:1px #ccc solid;padding-left:1ex">
                <div dir="ltr">
                  <div id="m_7567123270890452842divtagdefaultwrapper"
style="font-size:12pt;color:#000000;font-family:Calibri,Arial,Helvetica,sans-serif"
                    dir="ltr">
                    <div>Hi Ovirt users,</div>
                    <div>Im a newbie to oVirt and Im having trouble
                      deleting a test gluster volume. The nodes are
                      4.1.1 and the engine is 4.1.0</div>
                    <div><br>
                    </div>
                    <div>When I try to remove the test volume, I click
                      Remove, the dialog box prompting to confirm the
                      deletion pops up and after I click OK, the dialog
                      box changes to show a little spinning wheel and
                      then it disappears. In the end the volume is still
                      there.</div>
                  </div>
                </div>
              </blockquote>
            </div>
          </div>
        </blockquote>
        with the latest version of glusterfs &amp; ovirt we do not see
        any issue with deleting a volume. Can you please check
        /var/log/glusterfs/glusterd.log file if there is any error
        present?
        <br>
        <br>
        <br>
        <blockquote
cite="mid:CAPQRNTk8iieOFrM0GHeCjkozBSxoA3WoLaOr+EAAHgY_oAbkkQ@mail.gmail.com"
          type="cite">
          <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">
                  <div id="m_7567123270890452842divtagdefaultwrapper"
style="font-size:12pt;color:#000000;font-family:Calibri,Arial,Helvetica,sans-serif"
                    dir="ltr">
                    The test volume was distributed with two host
                    members. One of the hosts I was able to remove from
                    the volume by removing the host form the cluster.
                    When I try to remove the remaining host in the
                    volume, even with the Force Remove box ticked, I
                    get this response: Cannot remove Host. Server having
                    Gluster volume.
                    <div><br>
                    </div>
                    <div>What to try next?</div>
                  </div>
                </div>
              </blockquote>
            </div>
          </div>
        </blockquote>
        since you have already removed the volume from one host in the
        cluster and you still see it on another host you can do the
        following to remove the volume from another host.<br>
        <br>
        1) Login to the host where the volume is present.<br>
        2) cd to /var/lib/glusterd/vols<br>
        3) rm -rf &lt;vol_name&gt;<br>
        4) Restart glusterd on that  host.<br>
        <br>
        And before doing the above make sure that you do not have any
        other volume present in the cluster.<br>
        <br>
        Above steps should not be run on a production system as you
        might loose the volume and data.
        <br>
        <br>
        Now removing the host from UI should succed.<br>
        <br>
        <blockquote
cite="mid:CAPQRNTk8iieOFrM0GHeCjkozBSxoA3WoLaOr+EAAHgY_oAbkkQ@mail.gmail.com"
          type="cite">
          <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">
                  <div id="m_7567123270890452842divtagdefaultwrapper"
style="font-size:12pt;color:#000000;font-family:Calibri,Arial,Helvetica,sans-serif"
                    dir="ltr">
                    <div><br>
                    </div>
                    <div>P.S. Ive tried to join this user group several
                      times in the past, with no response.</div>
                    <div>Is it possible for me to join this group?</div>
                    <div><br>
                    </div>
                    <div>Regards,</div>
                    <div>Andrew</div>
                    <br>
                  </div>
                </div>
              </blockquote>
            </div>
          </div>
          <br>
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Re: [ovirt-users] I’m having trouble deleting a test gluster volume