Cannot enable ACLs

Heinrich Rebehn rebehn at ant.uni-bremen.de
Mon May 30 06:49:57 PDT 2005


Hi list,

I have no luck trying to enable ACLs on my UFS2 filesystem:

#################################################

root at antsrv1 [~] # mount -u -o ro /export/linux/root
root at antsrv1 [~] # mount|grep linux/root
/dev/da0s1a on /export/linux/root (ufs, NFS exported, local, read-only, 
soft-updates)

root at antsrv1 [~] # tunefs -a enable /export/linux/root
tunefs: ACLs set
root at antsrv1 [~] # tunefs -p /export/linux/root
tunefs: ACLs: (-a)                                         enabled
tunefs: MAC multilabel: (-l)                               disabled
tunefs: soft updates: (-n)                                 enabled
tunefs: maximum blocks per file in a cylinder group: (-e)  2048
tunefs: average file size: (-f)                            16384
tunefs: average number of files in a directory: (-s)       64
tunefs: minimum percentage of free space: (-m)             8%
tunefs: optimization preference: (-o)                      time
tunefs: volume label: (-L)

root at antsrv1 [~] # mount -u -o rw /export/linux/root
root at antsrv1 [~] # mount|grep linux/root
/dev/da0s1a on /export/linux/root (ufs, NFS exported, local, soft-updates)
root at antsrv1 [~] # tunefs -p /export/linux/root
tunefs: ACLs: (-a)                                         disabled
tunefs: MAC multilabel: (-l)                               disabled
tunefs: soft updates: (-n)                                 enabled
tunefs: maximum blocks per file in a cylinder group: (-e)  2048
tunefs: average file size: (-f)                            16384
tunefs: average number of files in a directory: (-s)       64
tunefs: minimum percentage of free space: (-m)             8%
tunefs: optimization preference: (-o)                      time
tunefs: volume label: (-L)

root at antsrv1 [~] # mount|grep linux/root
/dev/da0s1a on /export/linux/root (ufs, NFS exported, local, soft-updates)
root at antsrv1 [~] #

##################################################################

As you can see, if i mount the fs r/o, i can enable ACLs, but as soon as 
i remount r/w again, ACLs are disabled again.
According to the handbook, this should work.
What am i missing?

root at antsrv1 [~] # uname -a
FreeBSD antsrv1.ant.uni-bremen.de 5.3-RELEASE-p15 FreeBSD 
5.3-RELEASE-p15 #13: Fri May 13 09:35:22 CEST 2005 
root at antsrv1.ant.uni-bremen.de:/usr/obj/usr/src/sys/ANTSRV1  i386

Regards,

Heinrich Rebehn

University of Bremen
Physics / Electrical and Electronics Engineering
- Department of Telecommunications -

Phone : +49/421/218-4664
Fax   :            -3341


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