[DRBD-user] Migrating to Cluster

Stefan Seifert nine at detonation.org
Mon Apr 6 09:51:39 CEST 2009

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


On Sunday, 05. April 2009, Niels Piersma wrote:
> We are looking for a solution to migrate an existing disk/volume (LVM/ext3)
> to DRBD cluster.
>
> Unfort. during the cluster installation process we need to "zero out" the
> device... which probably would kill our current data. We have no room to
> resize the partion (sorry, design mistake) and don't really want to backup
> / transfer all the data first.
>
> Is there a way to "inject" the current lvm/ext3 into DRBD WITHOUT
> "touching" (distructivly) the disk/volume?

If you want to use internal meta data, just shrink the file system on your lv 
(not the lv itself). Otherwise just use external meta data. No need to zero 
out the device in any case.

Regards,
Stefan



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