[DRBD-user] Migration from drbdmanage to linstor?
f.rust at tu-braunschweig.de
Thu Aug 16 14:19:43 CEST 2018
Sounds great! Hopefully it will handle my 7 nodes correctly
Best regards, Frank
> Am 16.08.2018 um 12:07 schrieb Roland Kammerer <roland.kammerer at linbit.com>:
> On Wed, Aug 15, 2018 at 10:22:03AM +0200, Frank Rust wrote:
>> Hi all,
>> since drbdmanage will reach its end-of-life at the end of this year,
>> it is time to think about migration to linstor.
>> I have a small cluster with 7 nodes, three of them with disks of about
>> 30TB each. The storage is about 70% filled.
>> Since it is no option to start linstor from scratch, how would I
>> migrate all of my storage to the new system? All documents I see start
>> with "create drbdpool"...
>> Thanks in advance, Frank
> the next linstor-client release, which will happen real soon now,
> contains an updated "dm-migrate" subcommand. You feed it a dump of the
> drbdmange control volume an it generates a script that you can review
> and execute. When the release is done, I also push an update to the
> users-guide (already written, but not public as of now).
> I tested this thing with all permutations of:
> 1 to 3 nodes,
> 1 or 2 volumes in a resource
> 0 to N-1 (N is #nodes) diskless assignments
> a drbdsetup option of "every group" (disk, peer-device,...) on the
> All these resources got created via drbdmanage and then got migrated to
> linstor via the script created from "dm-migrate". Yes, it worked ;-).
> And you have zero downtime.
> Regards, rck
> drbd-user mailing list
> drbd-user at lists.linbit.com
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