[lustre-discuss] Upgrade to 2.11: unrecognized mount option

[Dilger, Andreas]

On Apr 6, 2018, at 06:27, Thomas Roth <t.roth at gsi.de> wrote:
> 
> Hi all,
> 
> (don't know if it isn't a bit early to complain yet, but)
> I have upgraded an OSS and MDS von 2.10.2 to 2.11.0, just installing the downloaded rpms - no issues here, except when mounting the MDS:
> 
> > LDISKFS-fs (drbd0): Unrecognized mount option "context="unconfined_u:object_r:user_tmp_t:s0"" or missing value
> 
> This mount option is visible also by 'tunefs.lustre --dryrun', so I followed a tip on this list from last May and did
> 
> > tunefs.lustre --mountfsoptions="user_xattr,errors=remount-ro" /dev/drbd0
> 
> = keeping the rest of the mount options. Afterwards the mount worked.
> 
> 
> I checked, I formatted this MDS with
> 
> > mkfs.lustre --reformat --mgs --mdt --fsname=hebetest --index=0
> --servicenode=10.20.1.198 at o2ib5 --servicenode=10.20.1.199 at o2ib5
> --mgsnode=10.20.1.198 at o2ib5 --mgsnode=10.20.1.199 at o2ib5
> --mkfsoptions="-E stride=4,stripe-width=20 -O flex_bg,mmp,uninit_bg" /dev/drbd0
> 
> 
> Just the defaults here?
> Where did the unknown mount option come from, and what does it mean anyway?

I suspect it's automatically added by SELinux, but I couldn't tell you
where or why.  Hopefully one of the people more familiar with SELinux
can answer, and it can be handled properly in the future.

Cheers, Andreas
--
Andreas Dilger
Lustre Principal Architect
Intel Corporation