[Samba] widelinks_warning - but unix extensions *are* off
Thomas Werschlein
thomas.werschlein at geo.uzh.ch
Thu Oct 29 16:27:49 UTC 2015
Hi all
Since we changed our installation from Samba 3.x to 4.x (currently 4.2.5 on Solaris 11.1), we repeatedly encounter the following 'widelinks_warning', originating from Windows Server 2012 R2 RDS clients:
[2015/10/29 15:50:38.837702, 0] ../source3/param/loadparm.c:4306(widelinks_warning)
Share 'data' has wide links and unix extensions enabled. These parameters are incompatible. Wide links will be disabled for this share.
[2015/10/29 15:50:38.838518, 0] ../source3/param/loadparm.c:4306(widelinks_warning)
Share 'group' has wide links and unix extensions enabled. These parameters are incompatible. Wide links will be disabled for this share.
[2015/10/29 15:50:38.839070, 0] ../source3/param/loadparm.c:4306(widelinks_warning)
Share 'web' has wide links and unix extensions enabled. These parameters are incompatible. Wide links will be disabled for this share.
The strange thing is: "unix extensions" *are* actually off. "wide links" are on, since we use them for vfs_shadow_copy2 (but not on the affected shares):
# testparm -sv 2>/dev/null |egrep 'wide links|unix extensions'
unix extensions = No
allow insecure wide links = No
wide links = Yes
The affected shares (data, group, web) are distinct from "working" ones, by the fact that "hide unreadable" is set to "Yes" on the affected shares only. This is how the affected shares are configured:
[data]
path = /pool1/data
read only = No
acl map full control = No
ea support = Yes
nt acl support = No
hide unreadable = Yes
map archive = No
map readonly = no
store dos attributes = Yes
vfs objects = zfsacl full_audit
Unfortunately, we can't trigger the behaviour. It's all pretty fuzzy, but maybe someone out there has an idea what's going on?
Best, Thomas
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