Re: Mount multiple file system with the same UUID

On 17/04/15 10:20, WangMike wrote: Dear all, We know that one cannot mount multiple btrfs file systems which contain the same UUID (for example, snapshot ). Is it possible to make use of mount namespace achieve that? means, if the btrfs file system in different namespace can contain the same

Mount multiple file system with the same UUID

Dear all, We know that one cannot mount multiple btrfs file systems which contain the same UUID (for example, snapshot ). Is it possible to make use of mount namespace achieve that? means, if the btrfs file system in different namespace can contain the same UUID. Thanks Mike

Re: Mount multiple file system with the same UUID

Looks like XFS v5 and ext4 checksums include fs UUID throughout the filesystem metadata. For XFS changing the UUID has been disabled in xfs_admin whereas tune2fs supports changing it (which I'd think could take quite a while). Btrfs supports it via seed device + device add + removing seed which