docs(vol-restore): added a doc for volume restore from a snapshot

[AJDatacore]

No description provided.

[Abhinandan-Purkait]

Do you need to rebase the branch?

[Abhinandan-Purkait]

https://mayastor.gitbook.io/introduction/quickstart/configure-mayastor/storage-class-parameters

We need to add cloneFsIdAsVolumeId in the above section. The possible values can be true and false. If not specified its taken as false.

If this is enabled then, the created clone/restore's filesystem uuid would be set to the volume uuid. This feature is needed because filesystem like xfs doesn't allow duplicate filesystem uuid on the same machine by default.

If this is disabled then we would use the same uuid as that of the parent volume but, the mount would happen using nouuid flag which allows duplicate uuid.

The above is a gist of the description. @avishnu Can you please review this content and enhance/modify accordingly?

[avishnu]

https://mayastor.gitbook.io/introduction/quickstart/configure-mayastor/storage-class-parameters

We need to add cloneFsIdAsVolumeId in the above section. The possible values can be true and false. If not specified its taken as false.

If this is enabled then, the created clone/restore's filesystem uuid would be set to the volume uuid. This feature is needed because filesystem like xfs doesn't allow duplicate filesystem uuid on the same machine by default.

If this is disabled then we would use the same uuid as that of the parent volume but, the mount would happen using nouuid flag which allows duplicate uuid.

The above is a gist of the description. @avishnu Can you please review this content and enhance/modify accordingly?

Content looks good. Minor change:

• filesystems like XFS do not allow...
• If this is disabled, the uuid of the original volume will be used for the restore filesystem as well, but the restore filesystem will be mounted using the nouuid flag to bypass the duplicate uuid validation.

[avishnu]

Lgtm

[avishnu]

Shouldn't this be snapshot-restore.md?