[lustre-devel] Lustre ZFS OSD for Ubuntu/Debian
Ankit Ladhania
ankit at tripock.com
Fri May 15 05:23:53 PDT 2020
Hi,
I'm a newbie in Lustre and am trying to install it on top of ZFS. I'm using
Ubuntu 16.04.
I have installed the latest ZFS (built from source)
zfs-0.8.4-1
zfs-kmod-0.6.5.6-0ubuntu26
I have installed the latest Lustre (built from source):
lustre-dev_2.12.4-60-g8ecf56c-1_amd64.deb
lustre-iokit_2.12.4-60-g8ecf56c-1_amd64.deb
lustre-resource-agents_2.12.4-60-g8ecf56c-1_amd64.deb
lustre-server-modules-4.4.0-142-generic_2.12.4-60-g8ecf56c-1_amd64.deb
lustre-server-utils_2.12.4-60-g8ecf56c-1_amd64.deb
lustre-source_2.12.4-60-g8ecf56c-1_all.deb
lustre-tests_2.12.4-60-g8ecf56c-1_amd64.deb
As per the doc I have created zpool:
$ sudo zpool create -fd -O canmount=off mgspool mirror /dev/sdb /dev/sdc
then:
$ sudo mkfs.lustre --reformat --fsname=zeblok --mgs
--servicenode=130.245.177.196 at tcp --backfstype=zfs --verbose mgspool/mgt
when I'm trying to mount the file system:
$ sudo mount -t lustre mgspool/mgt /mnt/mdt
mount.lustre: mgspool/mgt is configured for failover but zpool does not
have multihost enabled
mount.lustre: mgspool/mgt is configured for failover but zpool does not
have multihost enabled
mount.lustre: mount mgspool/mgt at /mnt/mdt failed: No such device
Are the lustre modules loaded?
Check /etc/modprobe.conf and /proc/filesystems
In dmesg I'm getting the below error:
LustreError: 158-c: Can't load module 'osd-zfs'
[836981.548061] LustreError: 30106:0:(genops.c:397:class_newdev()) OBD:
unknown type: osd-zfs
[836981.669172] LustreError: 30106:0:(obd_config.c:403:class_attach())
Cannot create device MGS-osd of type osd-zfs : -19
[836981.790888] LustreError:
30106:0:(obd_mount.c:197:lustre_start_simple()) MGS-osd attach error -19
[836981.913181] LustreError:
30106:0:(obd_mount_server.c:1956:server_fill_super()) Unable to start osd
on mgspool/mgt: -19
[836982.035378] LustreError: 30106:0:(obd_mount.c:1608:lustre_fill_super())
Unable to mount (-19)
I see that in centos there is a rpm that is asked to install:
*lustre-osd-zfs-mount*
What is the alternative in debian?
Thanks for all the help.
*Regards,*
*Ankit Ladhania*
IN: +91 933 444 2209
US: +1 (256) 203-0077
Skype: ankit.ladhania
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