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

Dilger, Andreas andreas.dilger at intel.com
Fri Apr 6 16:58:38 PDT 2018

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= at o2ib5 --servicenode= at o2ib5
> --mgsnode= at o2ib5 --mgsnode= 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

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