[DRBD-user] Growing raid10+drbd+lvm

Felix Frank ff at mpexnet.de
Fri Jul 22 09:17:22 CEST 2011

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


On 07/21/2011 07:00 PM, Pete Ashdown wrote:
> The backing device is not LVM, it is is software RAID10.  I'm presuming
> this "criteria" is only stated because it isn't normal to grow/shrink
> software RAID10, but I'm guessing that by syncing drbd to a larger
> device, disconnecting the drbd peers, then doing "drbd resize" and
> "pvresize /dev/drbd0" on the larger system, it will react just fine?

I didn't say that :-)

I don't see why it wouldn't work. Moving your data to a larger backing
device is the same as having it on a freshly enlarged LV.

I'm curious about your next step though, because reconnection will not
be possible.


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