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.
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