[DRBD-user] Please help on Split brain (newbie)

Michael Schwartzkopff misch at multinet.de
Wed Apr 28 11:20:32 CEST 2010

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


Am Mittwoch, 28. April 2010 09:51:10 schrieb Willson Kwok:
> Hello
>
> I'm testing Split brain for two nodes, I don't know how to recovery to
> normal, the following are two nodes status:
>
> node01:
> [root at centos01 ~]# cat /proc/drbd
> version: 8.0.16 (api:86/proto:86)
> GIT-hash: d30881451c988619e243d6294a899139eed1183d build by
> mockbuild at v20z-x86-64.home.local, 2009-08-22 13:23:34
>  0: cs:StandAlone st:Primary/Unknown ds:UpToDate/DUnknown   r---
>     ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0
>         resync: used:0/61 hits:0 misses:0 starving:0 dirty:0 changed:0
>         act_log: used:0/127 hits:0 misses:0 starving:0 dirty:0 changed:0
>  1: cs:StandAlone st:Primary/Unknown ds:UpToDate/DUnknown   r---
>     ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0
>         resync: used:0/61 hits:0 misses:0 starving:0 dirty:0 changed:0
>         act_log: used:0/127 hits:0 misses:0 starving:0 dirty:0 changed:0
> node02:
> [root at centos02 etc]# cat /proc/drbd
> version: 8.0.16 (api:86/proto:86)
> GIT-hash: d30881451c988619e243d6294a899139eed1183d build by
> mockbuild at v20z-x86-64.home.local, 2009-08-22 13:23:34
>  0: cs:StandAlone st:Secondary/Unknown ds:UpToDate/DUnknown   r---
>     ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0
>         resync: used:0/61 hits:0 misses:0 starving:0 dirty:0 changed:0
>         act_log: used:0/127 hits:0 misses:0 starving:0 dirty:0 changed:0
>  1: cs:StandAlone st:Secondary/Unknown ds:UpToDate/DUnknown   r---
>     ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0
>         resync: used:0/61 hits:0 misses:0 starving:0 dirty:0 changed:0
>         act_log: used:0/127 hits:0 misses:0 starving:0 dirty:0 changed:0

See:
http://www.drbd.org/users-guide-emb/s-resolve-split-brain.html

-- 
Dr. Michael Schwartzkopff
MultiNET Services GmbH
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