[Gluster-users] rsync to gluster mount: self-heal and bad performance

[Joe Julian]

On 11/17/2015 08:19 AM, Tiemen Ruiten wrote:
> I double-checked my config and found out that the filesystem of the 
> brick on the arbiter node doesn't support ACLs: underlying fs is ext4 
> without acl mount option, while the other bricks are XFS ( where it's 
> always enabled). Do all the bricks need to support ACLs?

For the volume to support ACLs the bricks must support ACLs too.

>
> To keep things simple I suppose it makes sense to remove ACLs as it's 
> not strictly needed for my setup, so I ran some tests and I can now 
> confirm that I don't see the self-heals when the volume isn't mounted 
> with --acl. I don't have exact numbers but I have the impression that 
> syncing is faster as well.

Makes sense. When one brick of a replica had the ACL metadata, a 
lookup() to the two bricks would find a mismatch and try to heal that 
missing ACL metadata every time.