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On Mon, Aug 29, 2022 at 8:54 AM Lokendra Rathour <lokendrarathour at gmail.com>
wrote:

> Hi Team,
> It worked if I redo the VM creation with creation one more volume of
> multi-attach type.
> Thanks once again for the same.
>
> we can mark this thread as closed.
>
>
> On Mon, Aug 29, 2022 at 11:18 AM Lokendra Rathour <
> lokendrarathour at gmail.com> wrote:
>
>> Hi Team,
>> On TripleO Wallaby deployment, I have tried creating multi-attach type
>> volume, which if I am attaching this volume to two VM, it is getting
>> attached.
>> After mounting the same in each VM, if I am creating the folders in one
>> VM at the mount path,
>> I am not seeing the same on the other VM at the mount path
>> [image: image.png]
>>
>> Ideally if the backend volume is same and if I am understanding the idea
>> correctly, then the content should be same in both the location, as the
>> back is same.
>>
>
Well, that's not quite how multiattach volumes are intended to work. The
feature relies on your application and/or filesystem to support
multiattach/cluster aware volumes. You can't just use a regular filesystem
(ext4, etc.) and expect changes to the volume that are made from one
attached vm to propagate to other vms attached to the same volume.

Alan


> Checking at horizon I also see that Volume is showing attached to both the
>> VMs.
>>
>>
>> [image: image.png]
>>
>> Document followed to create this:
>> https://docs.openstack.org/cinder/latest/admin/volume-multiattach.html
>>
>> Please advice
>>
>> --
>> ~ Lokendra
>> skype: lokendrarathour
>>
>>
>>
>
> --
> ~ Lokendra
> skype: lokendrarathour
>
>
>
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