[DRBD-user] drbd Input/output error

Pascal Berton pascal.berton3 at free.fr
Sun Feb 16 09:59:36 CET 2014

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


Reading your infos, I understand that /dev/md2 is at the same time the backing device of vg1 (pvdisplay recognizes md2 as a valid PV) and drbd1, which is nonsense.
I'd rather expect you put vg1 on top of drbd1, not md2, or you create 2 resources drbd1 and drbd2 that would use vg1-vm1 and vg1-vm2 as their respective backing store.
Drbd resources and pvs have their own metadata structures that potentially overlap in your current configuration, so your problems I guess...
Could you send us the results of vgdisplay -v vg1 to confirm this ?

Envoyé de mon iPhone

> There was normal operation for few weeks and after out of disk space on main partition the state of drbd changed to Diskless
> The both servers was rebooted already..
> Its possible to fix this in some way  ?
> Thanks
> Piotr 
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