Dear All,
Lustre file system goes to hung state and unable to know the exact issue
with lustre. Kindly find below information and help us to know the fixes
for flle system kernerl hung issue.
Cluster Details:
Oss node/server is mounted with below mount targets. We could able to mount
the client
PS: it is always a good idea to make a backup of your MDT, since it is
relatively small compared to the rest of the filesystem. A full-device "dd"
copy doesn't take too long and is the most accurate backup for ldiskfs.
Cheers, Andreas
> On Feb 19, 2019, at 19:31, Andreas Dilger wrote:
>
>
Yes, it is possible to migrate the MGS files to another device as you propose.
I don't think there is any particular difference if you move it to a separate
ldiskfs or ZFS target.
One caveat is that we don't test combined ZFS and ldiskfs targets on the same
node, though in theory it would
Dear lustre experts.
Whats is the best way to migrate a MGS device to ZFS? Copy the
CONFIGS/filesystem_name-* files from the old ldiskfs device to the new ZFS MGS
device?
Currently we have a combined MDT/MGT under ldiskfs with lustre 2.10.4.
We want to upgrade to lustre 2.12.0 and then