[ovirt-users] how to handle mount options for hosted engine on glusterfs
knarra
knarra at redhat.com
Tue Mar 21 06:22:32 UTC 2017
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 at linuxitil.org
> <mailto: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_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/995c6a65ab897d804f794306cc3654214f2c29b6
>> <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
> <https://bugzilla.redhat.com/show_bug.cgi?id=1426517#c2> > > Hope
> this helps !! > > Thanks > kasturi >
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