Re: [ovirt-users] how to handle mount options for hosted engine on glusterfs

Tuesday, 21 March 2017

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On 03/21/2017 10:52 AM, Ian Neilsen wrote:
...
 knara

 Looks like your conf is incorrect for mnt option.
 Hi Ian,

     mnt_option should be mnt_options=backup-volfile-servers=<IP1>:<IP2> 
and this is how we test it.

Thanks
kasturi.
...
 It should be I believe; mnt_options=backupvolfile-server=server name

 not

 mnt_options=backup-volfile-servers=host2

 If your dns isnt working or your hosts file is incorrect this will 
 prevent it as well.

 On 21 March 2017 at 03:30, /dev/null <devnull(a)linuxitil.org 
 <mailto:devnull@linuxitil.org>> wrote:

     Hi kasturi,

     thank you. I tested and it seems not to work, even after rebooting
     the current mount does not show up the mnt_options nor the switch
     over works.

     [root@host2 ~]# cat /etc/ovirt-hosted-engine/hosted-engine.conf
     ca_cert=/etc/pki/vdsm/libvirt-spice/ca-cert.pem
     gateway=192.168.2.1
     iqn=
     conf_image_UUID=7bdc29ad-bee6-4a33-8d58-feae9f45d54f
     ca_cert=/etc/pki/vdsm/libvirt-spice/ca-cert.pem
     sdUUID=1775d440-649c-4921-ba3b-9b6218c27ef3
     connectionUUID=fcf70593-8214-4e8d-b546-63c210a3d5e7
     conf_volume_UUID=06dd17e5-a440-417a-94e8-75929b6f9ed5
     user=
     host_id=2
     bridge=ovirtmgmt
     metadata_image_UUID=6252c21c-227d-4dbd-bb7b-65cf342154b6
     spUUID=00000000-0000-0000-0000-000000000000
     mnt_options=backup-volfile-servers=host2
     fqdn=ovirt.test.lab
     portal=
     vm_disk_id=1bb9ea7f-986c-4803-ae82-8d5a47b1c496
     metadata_volume_UUID=426ff2cc-58a2-4b83-b22f-3f7dc99890d4
     vm_disk_vol_id=b57d40d2-e68b-440a-bab7-0a9631f4baa4
     domainType=glusterfs
     port=
     console=qxl
     ca_subject="C=EN, L=Test, O=Test, CN=Test"
     password=
     vmid=272942f3-99b9-48b9-aca4-19ec852f6874
     lockspace_image_UUID=9fbdbfd4-3b31-43ce-80e2-283f0aeead49
     lockspace_volume_UUID=b1e4d3ed-ec78-41cd-9a39-4372f488fb92
     vdsm_use_ssl=true
     storage=host1:/gvol0
     conf=/var/run/ovirt-hosted-engine-ha/vm.conf

     [root@host2 ~]# mount |grep gvol0
     host1:/gvol0 on /rhev/data-center/mnt/glusterSD/host1:_gvol0 type
     fuse.glusterfs
     (rw,relatime,user_id=0,group_id=0,default_permissions,allow_other,max_read=131072
     <tel:13%2010%2072>)

     Any suggestion?

     I will try an answerfile-install as well later, but it was helpful
     to know, where to set this.

     Thanks & best regards
     *
     On Mon, 20 Mar 2017 12:12:25 +0530, knarra wrote*
     > On 03/20/2017 05:09 AM, /dev/null wrote:
     >
>     Hi,
>
>     how do i make the hosted_storage aware of gluster server failure? In --deploy i
>     cannot
>     provide backup-volfile-servers. In /etc/ovirt-hosted-engine/hosted-engine.conf
>     there
>     is
>     an mnt_options line, but i
>     read
>    
(https://github.com/oVirt/ovirt-hosted-engine-setup/commit/995c6a65ab897d8...
>    
<https://github.com/oVirt/ovirt-hosted-engine-setup/commit/995c6a65ab897d8...>)
>     that this settings get lost during deployment on seconday
>     servers.
>
>     Is there an official way to deal with that? Should this option be set manualy on
>     all
>     nodes?
>
>     Thanks!
>
>     /dev/null
     Hi, > >    I think in the above patch they are just   hiding the
     the query for mount_options but i think all the code is still
     present and you should not loose mount options during additional
     host deployment. For more info you can refer [1]. > >     You can
     set this option manually on all nodes by editing
     /etc/ovirt-hosted-engine/hosted-engine.conf. Following steps will
     help you to achieve this. > > 1) Move each host to maintenance,
     edit the file '/etc/ovirt-hosted-engine/hosted-engine.conf'. > 2)
     set mnt_options =
     backup-volfile-servers=<gluster_ip2>:<gluster_ip3> > 3) restart
     the services 'systemctl restart ovirt-ha-agent' ; 'systemctl
     restart ovirt-ha-broker' > 4) Activate the node. > > Repeat the
     above steps for all the nodes in the cluster. > > [1]
     https://bugzilla.redhat.com/show_bug.cgi?id=1426517#c2
     <https://bugzilla.redhat.com/show_bug.cgi?id=1426517#c2> > > Hope
     this helps !! > > Thanks > kasturi >
>     --
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>     >
>     _______________________________________________
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    <div class="moz-cite-prefix">On 03/21/2017 10:52 AM, Ian Neilsen
      wrote:<br>
    </div>
    <blockquote
cite="mid:CANoeav0TiZpOSPOOzBpg26f2DsApfF5-fggsoh7ykPn7iqvWbA@mail.gmail.com"
      type="cite">
      <div dir="ltr">
        <div>
          <div>
            <div>knara<br>
              <br>
            </div>
            Looks like your conf is incorrect for mnt option.<br>
            <br>
          </div>
        </div>
      </div>
    </blockquote>
    Hi Ian,<br>
        <br>
        mnt_option should be
    mnt_options=backup-volfile-servers=&lt;IP1&gt;:&lt;IP2&gt; and this
    is how we test it.<br>
    <br>
    Thanks<br>
    kasturi.<br>
    <meta http-equiv="content-type" content="text/html;
charset=utf-8">
    <blockquote
cite="mid:CANoeav0TiZpOSPOOzBpg26f2DsApfF5-fggsoh7ykPn7iqvWbA@mail.gmail.com"
      type="cite">
      <div dir="ltr">
        <div>It should be I believe; 
          mnt_options=backupvolfile-server=server name<br>
          <br>
        </div>
        <div>not<br>
        </div>
        <div><br>
          <font size="2"><font
size="2">mnt_options=backup-volfile-<wbr>servers=host2<br>
              <br>
            </font></font></div>
        <font size="2"><font size="2">If your dns isnt
working or your
            hosts file is incorrect this will prevent it as well.<br>
            <br>
            <br>
          </font></font></div>
      <div class="gmail_extra"><br>
        <div class="gmail_quote">On 21 March 2017 at 03:30, /dev/null
<span
            dir="ltr">&lt;<a moz-do-not-send="true"
              href="mailto:devnull@linuxitil.org"
target=&quot;_blank&quot;&gt;devnull(a)linuxitil.org&lt;/a&gt;&amp;gt;&lt;/span&gt;
          wrote:<br>
          <blockquote class="gmail_quote" style="margin:0 0 0
            .8ex;border-left:1px #ccc solid;padding-left:1ex">
            <div bgcolor="#ffffff">
              <font size="2">Hi </font><font
size="2"><font size="2">kasturi,
                  <br>
                  <br>
                  thank you. I tested and it seems not to work, even
                  after rebooting the current mount does not show up the
                  mnt_options nor the switch over works.
                  <br>
                  <br>
                  [root@host2 ~]# cat
/etc/ovirt-hosted-engine/<wbr>hosted-engine.conf
                  <br>
                  ca_cert=/etc/pki/vdsm/libvirt-<wbr>spice/ca-cert.pem
                  <br>
                  gateway=192.168.2.1
                  <br>
                  iqn=
                  <br>
                  conf_image_UUID=7bdc29ad-bee6-<wbr>4a33-8d58-feae9f45d54f
                  <br>
                  ca_cert=/etc/pki/vdsm/libvirt-<wbr>spice/ca-cert.pem
                  <br>
                  sdUUID=1775d440-649c-4921-<wbr>ba3b-9b6218c27ef3
                  <br>
                  connectionUUID=fcf70593-8214-<wbr>4e8d-b546-63c210a3d5e7
                  <br>
                  conf_volume_UUID=06dd17e5-<wbr>a440-417a-94e8-75929b6f9ed5
                  <br>
                  user=
                  <br>
                  host_id=2
                  <br>
                  bridge=ovirtmgmt
                  <br>
                  metadata_image_UUID=6252c21c-<wbr>227d-4dbd-bb7b-65cf342154b6
                  <br>
                  spUUID=00000000-0000-0000-<wbr>0000-000000000000
                  <br>
                  mnt_options=backup-volfile-<wbr>servers=host2
                  <br>
                  fqdn=ovirt.test.lab
                  <br>
                  portal=
                  <br>
                  vm_disk_id=1bb9ea7f-986c-4803-<wbr>ae82-8d5a47b1c496
                  <br>
                  metadata_volume_UUID=426ff2cc-<wbr>58a2-4b83-b22f-3f7dc99890d4
                  <br>
                  vm_disk_vol_id=b57d40d2-e68b-<wbr>440a-bab7-0a9631f4baa4
                  <br>
                  domainType=glusterfs
                  <br>
                  port=
                  <br>
                  console=qxl
                  <br>
                  ca_subject="C=EN, L=Test, O=Test, CN=Test"
                  <br>
                  password=
                  <br>
                  vmid=272942f3-99b9-48b9-aca4-<wbr>19ec852f6874
                  <br>
                  lockspace_image_UUID=9fbdbfd4-<wbr>3b31-43ce-80e2-283f0aeead49
                  <br>

lockspace_volume_UUID=<wbr>b1e4d3ed-ec78-41cd-9a39-<wbr>4372f488fb92
                  <br>
                  vdsm_use_ssl=true
                  <br>
                  storage=host1:/gvol0
                  <br>
                  conf=/var/run/ovirt-hosted-<wbr>engine-ha/vm.conf
                  <br>
                  <br>
                  <br>
                  [root@host2 ~]# mount |grep gvol0
                  <br>
                  host1:/gvol0 on /rhev/data-center/mnt/<wbr>glusterSD/host1:_gvol0
                  type fuse.glusterfs
(rw,relatime,user_id=0,group_<wbr>id=0,default_permissions,<wbr>allow_other,max_read=<a
                    moz-do-not-send="true" href="tel:13%2010%2072"
                    value="+61131072"
target="_blank">131072</a>)
                  <br>
                  <br>
                  Any suggestion?
                  <br>
                  <br>
                  I will try an answerfile-install as well later, but it
                  was helpful to know, where to set this.  <br>
                  <br>
                  Thanks &amp; best regards
                  <br>
                </font></font><font size="2"><b>
                  <br>
                  On Mon, 20 Mar 2017 12:12:25 +0530, knarra wrote</b>
                <br>
                <div>
                  <div class="h5">&gt; On 03/20/2017 05:09 AM,
/dev/null
                    wrote:
                    <br>
                    &gt;
                    <blockquote type="cite">
                      <pre>Hi,

how do i make the hosted_storage aware of gluster server failure? In --deploy i 
cannot
provide backup-volfile-servers. In /etc/ovirt-hosted-engine/hosted-engine.conf

there 
is
an mnt_options line, but i 
read
(<a moz-do-not-send="true"
class="m_3780158283212514035moz-txt-link-freetext"
href="https://github.com/oVirt/ovirt-hosted-engine-setup/commit/995c...
target="_blank">https://github.com/oVirt/ovirt-ho...>)
that this settings get lost during deployment on seconday 
servers.

Is there an official way to deal with that? Should this option be set manualy on 
all 
nodes?

Thanks!

/dev/null</pre>

</blockquote>
    Hi,

&gt; 

&gt; 

       I think in the above patch they are just   hiding the the 
query
    for mount_options but i think all the code is still present and 
you
    should not loose mount options during additional host 
deployment.
    For more info you can refer [1]. 

&gt; 

&gt; 

        You can set this option manually on all nodes by 
editing
    /etc/ovirt-hosted-engine/<wbr>hosted-engine.conf. Following steps 
will
    help you to achieve this.

&gt; 

&gt; 

    1) Move each host to maintenance, edit the 
file
    '/etc/ovirt-hosted-engine/<wbr>hosted-engine.conf'.

&gt; 

    2) set mnt_options 
=

backup-volfile-servers=&lt;<wbr>gluster_ip2&gt;:&lt;gluster_ip3&gt;

&gt; 

    3) restart the services 'systemctl restart ovirt-ha-agent' 
;
    'systemctl restart ovirt-ha-broker'

&gt; 

    4) Activate the node.

&gt; 

&gt; 

    Repeat the above steps for all the nodes in the cluster.

&gt; 

&gt; 

    [1] <a moz-do-not-send="true"
class="m_3780158283212514035moz-txt-link-freetext"
href="https://bugzilla.redhat.com/show_bug.cgi?id=1426517#c2"
target="_blank">https://bugzilla.redhat.com/<wbr>show_...

&gt; 

&gt; 

    Hope this helps !!

&gt; 

&gt; 

    Thanks

&gt; 

    kasturi

&gt; 

    <blockquote type="cite">

<pre>--
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For all your IT requirements visit: <a moz-do-not-send="true"
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</pre>

&gt; 

      <fieldset class="m_3780158283212514035mimeAttachmentHeader">

&gt; 

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Re: [ovirt-users] how to handle mount options for hosted engine on glusterfs