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

Tue Mar 21 05:23:45 UTC 2017

ps - enclose the statement in  " ... "

On 21 March 2017 at 15:22, Ian Neilsen <ian.neilsen at gmail.com> wrote:

> knara
>
> Looks like your conf is incorrect for mnt option.
>
> 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 at 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 at 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 at host2 ~]# mount |grep gvol0
>> host1:/gvol0 on /rhev/data-center/mnt/glusterSD/host1:_gvol0 type
>> fuse.glusterfs (rw,relatime,user_id=0,group_i
>> d=0,default_permissions,allow_other,max_read=131072 <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/995c6a65ab897d804f794306cc3654214f2c29b6)
>> 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
>> >
>> > Hope this helps !!
>> >
>> > Thanks
>> > kasturi
>> >
>>
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>> >
>> >
>>
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>
>
> --
> Ian Neilsen
>
> Mobile: 0424 379 762
> Linkedin: http://au.linkedin.com/in/ianneilsen
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>

-- 
Ian Neilsen

Mobile: 0424 379 762
Linkedin: http://au.linkedin.com/in/ianneilsen
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