You may already know this, but you'll probably want to use the -R option as well, to replicate the Lustre attributes to the new dataset.
On 10/29/2018 08:33 AM, Mohr Jr, Richard Frank (Rick Mohr) wrote: >> On Oct 29, 2018, at 1:12 AM, Riccardo Veraldi >> <[email protected]> wrote: >> >> it is time for me to move my MDS to a diferent HW infrastructure. >> So I Was wondering if the following procedure can work. >> I have mds1 (old mds) and mds2 (new mds). On the old mds I have a zfs MGS >> partition and a zfs MDT partition. >> • create a new ZFS MGS and MDT partition on mds2 and create a lustre >> FS on it >> • umount lustre on mds2 >> • stop all the OSSes belonging to mds1 and stop and umount lustre on >> mds1 >> • zfs send the MGS partition from mds1 and zfs receive it on mds2 >> • zfs send the MGT partition from mds1 and zfs receive it on mds2 >> • mount lustre on mds2 >> should it work ? > I think that should work, except that in the first step you don’t need to > create a lustre FS on the new pools. > > -- > Rick Mohr > Senior HPC System Administrator > National Institute for Computational Sciences > http://www.nics.tennessee.edu > > _______________________________________________ > lustre-discuss mailing list > [email protected] > http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org _______________________________________________ lustre-discuss mailing list [email protected] http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org
