[Samba] acl_xattr vs acl_tdb

[Adrian Berlin]

Thanks everyone for answers!

21 - 26 ACLs in XFS filesystem is just for POSIX ACL or extended too?

Best regards
/Adrian Berlin

> ----- 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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>


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