Hello

I think, there's an option called SKIPACLUPDATCHECK, which can be used
to prevent incr backups just because of changing ACL-infos.

Give it a try.

Rolf Meyer
Storage Consultant
PROFI Engineering Systems AGAlexander Födisch schrieb:
> Hi all,
> 
> if we change the ownership (chmod/chgrp) or the ACLs of files/folders on
> our GPFS-filesystem, all affected
> data will be backed up again from TSM because the ctime was changed -
> same behaviour on a XFS filesystem.
> We often have to change recursively the ACLs of a 15TB-folder and so
> this 15TB are backup up nearly daily...
> I understand the necessity of backing up metadata as ownership or ACLs
> :) But is there an other possibility?
> 
> Can we backup just the metadata of changed files instead of all the
> data? Depends this on the filesystem?
> 
> 
> Thanks,
> Alex
>