We're using multiuser automounted cifs mounts. Generally works fine, but
sometimes a user looses access:
$ klist
Ticket cache: KEYRING:persistent:XXXX:krb_ccache_pPI2o2r
Default principal: user@REALM
Valid starting Expires Service principal
06/01/2022 08:53:25 06/01/2022 18:08:51 cifs/server@REALM
renew until 06/07/2022 17:49:23
06/01/2022 08:08:51 06/01/2022 18:08:51 krbtgt/REALM@REALM
renew until 06/07/2022 17:49:23
$ ls -la /nwra/monterey/csp/
ls: cannot access '/nwra/monterey/csp/': Permission denied
mount shows:
//SERVER/csp on /nwra/monterey/csp type cifs
(rw,relatime,vers=3.1.1,sec=krb5,cruid=XXXX,cache=strict,multiuser,uid=0,noforceuid,gid=0,noforcegid,addr=XXXX,file_mode=0755,dir_mode=0755,soft,nounix,serverino,mapposix,noperm,rsize=4194304,wsize=4194304,bsize=1048576,echo_interval=60,actimeo=15)
The cruid is the id of the user without access. Another user of the system
does have access.
Fedora 34 - 5.17.5-100.fc34.x86_64
If the directory unmounts and gets remounted then access is restored.
Any idea what to test and how to debug?
Thanks!
--
Orion Poplawski
IT Systems Manager 720-772-5637
NWRA, Boulder/CoRA Office FAX: 303-415-9702
3380 Mitchell Lane orion@xxxxxxxx
Boulder, CO 80301 https://www.nwra.com/
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