[lustre-discuss] Funny message when mounting ZFS OSTs

[Jones, Peter A]

I think that this is the same issue reported under LU-9853. Could you please add any additional info there to assist whichever engineer ends up working on this? Thanks!




On 8/8/17, 8:18 AM, "lustre-discuss on behalf of Vicker, Darby (JSC-EG311)" <lustre-discuss-bounces at lists.lustre.org on behalf of darby.vicker-1 at nasa.gov> wrote:

>We updated our 2.9 LFS to zfs 0.7 and lustre 2.10 and we see the same thing when mounting the MDT and OST's on the servers – for both the primary lustre MDT/OST devices and snapshots.  Here is an example with a snapshot.  
>
>
>[root at hpfs-fsl-mds0 ~]# lctl snapshot_mount -F hpfs-fsl -n hpfs-fsl_AutoSS-Fri
>
>mount.lustre FATAL: unhandled/unloaded fs type 0 'ext3'
>
>mount.lustre FATAL: unhandled/unloaded fs type 0 'ext3'
>
>mount.lustre FATAL: unhandled/unloaded fs type 0 'ext3'
>
>mount.lustre FATAL: unhandled/unloaded fs type 0 'ext3'
>
>mount.lustre FATAL: unhandled/unloaded fs type 0 'ext3'
>
>mount.lustre FATAL: unhandled/unloaded fs type 0 'ext3'
>
>mount.lustre FATAL: unhandled/unloaded fs type 0 'ext3'
>
>mount.lustre FATAL: unhandled/unloaded fs type 0 'ext3'
>
>mount.lustre FATAL: unhandled/unloaded fs type 0 'ext3'
>
>mount.lustre FATAL: unhandled/unloaded fs type 0 'ext3'
>
>mount.lustre FATAL: unhandled/unloaded fs type 0 'ext3'
>
>mount.lustre FATAL: unhandled/unloaded fs type 0 'ext3'
>
>mount.lustre FATAL: unhandled/unloaded fs type 0 'ext3'
>mounted the snapshot hpfs-fsl_AutoSS-Fri with fsname 790fd6f
>
>
>-----Original Message-----
>From: lustre-discuss <lustre-discuss-bounces at lists.lustre.org> on behalf of Thomas Roth <t.roth at gsi.de>
>Date: Tuesday, August 8, 2017 at 8:40 AM
>To: "lustre-discuss at lists.lustre.org" <lustre-discuss at lists.lustre.org>
>Subject: [lustre-discuss] Funny message when mounting ZFS OSTs
>
>Hi all,
>
>while installing some servers with ZFS and Lustre 2.10, for the first OSS I created the 
>kmod-lustre-osd-zfs with zfs-0.6.5 (I think). The second OSS already got zfs-0.7, so I created new 
>Lustre modules. Both went fine.
>
>Of course I was curious about what happens when updating ZFS-beneath-Lustre, so I did that on the 
>first OSS. Again everything fine - except that the successful 'mount -t lustre...' ends with a funny 
>error message
>
> >> mount.lustre FATAL: unhandled/unloaded fs type 0 'ext3'
>
>So far I see no problems with these OSTs.
>
>May not be connected to updating zfs, of course.
>
>Cheers,
>Thomas
>
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