Bug 156780 - mount -o remount,acl doesn't enable ACLs
mount -o remount,acl doesn't enable ACLs
Product: Red Hat Cluster Suite
Classification: Red Hat
Component: gfs (Show other bugs)
i386 Linux
medium Severity low
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Assigned To: Ben Marzinski
GFS Bugs
Depends On:
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Reported: 2005-05-04 04:35 EDT by Florian Brand
Modified: 2010-01-11 22:04 EST (History)
0 users

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Doc Type: Bug Fix
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Last Closed: 2005-09-07 11:31:56 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Florian Brand 2005-05-04 04:35:01 EDT
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Description of problem:
Other nodes have mounted a GFS filesystem with -o acl. ACLs work for the nodes that have mounted the filesystem with acl from the beginning.
On a node where ACLs were not activated on the initial mount, a remount does not enable the ACLS. 

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1. mount -t gfs /dev/pool/bla /mnt/bla
2. mount -o remount,acl /mnt/bla

Actual Results:  ACLs are reported by mount and ls, however if I try to access the file I get "Permission Denied"

Expected Results:  An open file :)

Additional info:

umount /dev/pool/bla
mount -t gfs -o acl /dev/pool/bla /mnt/bla
Comment 1 Ben Marzinski 2005-08-29 18:31:44 EDT
This is fixed in RHEL3 and RHEL4 now. gfs wasn't looking at the remount options.
In RHEL3, once you enable acls. you cannot use -o remount to disable them. This
is true for all filesystems, as far as I can tell.  In RHEL4, using -o remount
(without the 'acl' option) will disable ACLs if they were previously enabled.
Again this is true for other filesystems as well.
Comment 2 Corey Marthaler 2005-09-07 11:31:56 EDT
fix verified in GFS 2.6.9-40.0 (built Aug 31 2005 14:04:50)

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