[DRBD-user] Unable to re-use device in stand-alone mode

Brian R. Hellman brian at linbit.com
Thu Mar 31 17:33:07 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 03/31/2011 07:42 AM, Helmut Wollmersdorfer wrote:
> Hi,
>
> after a damage of RAM on the second node I cannot re-use the second of
> two DRBD-resources:
>
> root at xen09:# drbdadm up drbd1_2
> root at xen09:# cat /proc/drbd
> version: 8.3.7 (api:88/proto:86-91)
> srcversion: EE47D8BF18AC166BE219757
>
>  1: cs:WFConnection ro:Primary/Unknown ds:UpToDate/Outdated C r----
>     ns:0 nr:0 dw:0 dr:200 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b
> oos:1424
>  2: cs:WFConnection ro:Secondary/Unknown ds:Consistent/DUnknown C r----
>     ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:0
>
> root at xen09:# drbdadm primary drbd1_2
> 2: State change failed: (-2) Refusing to be Primary without at least
> one UpToDate disk
> Command 'drbdsetup 2 primary' terminated with exit code 17
>
> root at xen09:# drbdadm down drbd1_2
> root at xen09:# drbdadm create-md drbd1_2
> md_offset 1073737728
> al_offset 1073704960
> bm_offset 1073672192
>
> Found swap space signature
>      1048508 kB left usable by current configuration
> Device size would be truncated, which
> would corrupt data and result in
> 'access beyond end of device' errors.
> If you want me to do this, you need to zero out the first part
> of the device (destroy the content).
> You should be very sure that you mean it.
> Operation refused.
>
> Command 'drbdmeta 2 v08 /dev/vg1/lv_drbd1_2 internal create-md'
> terminated with exit code 40
> drbdadm create-md drbd1_2: exited with code 40
>
> --------------------
>
> What can I do in such a situation?
>
So you want to make it primary or wipe out the data that's on the drive?
What is your end goal/objective?


> The work-around will be: don't use DRBD for DomU-swap, don't use
> Primary/Primary, don't use live-migration ...
>
>
> Helmut Wollmersdorfer
>
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