[lustre-discuss] Centos 7.7 upgrade

[Jeff Johnson]

Alastair,

Are you sure you have functioning ZFS modules for that kernel, and that
they are loaded? Are you able to see your zpools? Did you use DKMS for
either ZFS, Lustre or both? If so, what does `dkms status` report?

--Jeff


On Mon, Jun 1, 2020 at 4:21 PM Alastair Basden <a.g.basden at durham.ac.uk>
wrote:

> Hi,
>
> We have just upgraded Lustre servers from 2.12.2 on centos 7.6 to 2.12.3
> on centos 7.7.
>
> The OSSs are on top of zfs (0.7.13 as recommended), and we are using
> 3.10.0-1062.1.1.el7_lustre.x86_64
>
> After the update, Lustre will no longer mount - and messages such as:
> Jun  2 00:02:44 hostname kernel: LustreError: 158-c: Can't load module
> 'osd-zfs'
> Jun  2 00:02:44 hostname kernel: LustreError: Skipped 875 previous similar
> messages
> Jun  2 00:02:44 hostname kernel: LustreError:
> 226253:0:(genops.c:397:class_newdev()) OBD: unknown type: osd-zfs
> Jun  2 00:02:44 hostname kernel: LustreError:
> 226265:0:(obd_config.c:403:class_attach()) Cannot create device
> lustfs-OST0006-osd of type osd-zfs : -19
> Jun  2 00:02:44 hostname kernel: LustreError:
> 226265:0:(obd_config.c:403:class_attach()) Skipped 881 previous similar
> messages
> Jun  2 00:02:44 hostname kernel: LustreError:
> 226265:0:(obd_mount.c:197:lustre_start_simple()) lustfs-OST0006-osd attach
> error -19
> Jun  2 00:02:44 hostname kernel: LustreError:
> 226265:0:(obd_mount.c:197:lustre_start_simple()) Skipped 881 previous
> similar messages
> Jun  2 00:02:44 hostname kernel: LustreError:
> 226265:0:(obd_mount_server.c:1947:server_fill_super()) Unable to start osd
> on lustfs-ost6/ost6: -19
> Jun  2 00:02:44 hostname kernel: LustreError:
> 226265:0:(obd_mount_server.c:1947:server_fill_super()) Skipped 881 previous
> similar messages
> Jun  2 00:02:44 hostname kernel: LustreError:
> 226265:0:(obd_mount.c:1608:lustre_fill_super()) Unable to mount  (-19)
> Jun  2 00:02:44 hostname kernel: LustreError:
> 226265:0:(obd_mount.c:1608:lustre_fill_super()) Skipped 881 previous
> similar messages
> Jun  2 00:02:44 hostname kernel: LustreError:
> 226253:0:(genops.c:397:class_newdev()) Skipped 887 previous similar messages
>
> Does anyone have any ideas?
>
> Thanks,
> Alastair.
> _______________________________________________
> lustre-discuss mailing list
> lustre-discuss at lists.lustre.org
> http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org
>


-- 
------------------------------
Jeff Johnson
Co-Founder
Aeon Computing

jeff.johnson at aeoncomputing.com
www.aeoncomputing.com
t: 858-412-3810 x1001   f: 858-412-3845
m: 619-204-9061

4170 Morena Boulevard, Suite C - San Diego, CA 92117

High-Performance Computing / Lustre Filesystems / Scale-out Storage
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.lustre.org/pipermail/lustre-discuss-lustre.org/attachments/20200601/3072190e/attachment.html>