[Samba] acl_xattr vs acl_tdb
gato at rock.com
Mon Mar 29 06:12:32 MDT 2010
Thanks everyone for answers!
21 - 26 ACLs in XFS filesystem is just for POSIX ACL or extended too?
> ----- Original Message -----
> From: Miguel Medalha <miguelmedalha at sapo.pt>
> To: Harry Jede <walk2sun at arcor.de>
> Cc: samba at lists.samba.org
> Subject: Re: [Samba] acl_xattr vs acl_tdb
> Date: Sun, 28 Mar 2010 21:24:21 +0100
> > A small test gives me total other numbers :-( .
> > xfs can store 21 to 26 ACEs. It depends on the size of gidnumber.
> > ext3 may store 503 to 513 ACEs, also depending on the size of gidnumber.
> > The test bed:
> > fresh created /home partitions with:
> > mkfs.xfs -f /dev/hda6
> > for xfs, and
> > mkfs.ext3 /dev/hda6
> > for ext3.
> > only one directory:
> > rmdir /home/dir/ ;mkdir /home/dir/
> > and a small shell script, which add ACEs:
> > /root/acl-test.sh:
> > #!/bin/sh -ex
> > G=2200000000
> > #G=10
> > while :
> > do
> > G=$(( $G + 1 ))
> > setfacl -m g:"$G":rwx /home/dir
> > done
> > OS is Debian Lenny:
> > debian:/# cat /etc/debian_version
> > 5.0.4
> > debian:/# uname -r
> > 2.6.26-2-amd64
> > getfacl& setfacl has version: 2.2.47
> > Other extended attributes may reduce the number of avaiable ACEs.
> > Conclusion:
> > ext3 is a better choice then xfs, at least for Debian Lenny.
> > I have not tested any special tuning options for ext3 or xfs.
> Thank you very much for that information!
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