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.bas...@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@lists.lustre.org > http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org > -- ------------------------------ Jeff Johnson Co-Founder Aeon Computing jeff.john...@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
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