[DRBD-user] Recovering a split brain

Harald Rinker harald.rinker at unitedprint.com
Thu Feb 21 13:06:00 CET 2008

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


Balabam schrieb:
> Hello all,
>  
> My HA cluster gone... and I'm not able to recover a split brain hang. 
> Now there's no HA active but simply two drbd nodes.
>  
> [root at rman1c ~]# service drbd status
> drbd driver loaded OK; device status:
> version: 8.0.8 (api:86/proto:86)
> GIT-hash: bd3e2c922f95c4fa0dca57a4f8c24bf8b249cc02 build by 
> root at vercingetorix.stefanocislaghi.it 
> <mailto:root at vercingetorix.stefanocislaghi.it>, 2008-01-31 20:28:54
>  1: cs:WFConnection st:Secondary/Unknown ds:UpToDate/DUnknown C r---
>     ns:0 nr:0 dw:0 dr:0 al:0 bm:87 lo:0 pe:0 ua:0 ap:0
>         resync: used:0/31 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
>  
> [root at rman1a ~]# service drbd status
> drbd driver loaded OK; device status:
> version: 8.0.8 (api:86/proto:86)
> GIT-hash: bd3e2c922f95c4fa0dca57a4f8c24bf8b249cc02 build by 
> root at vercingetorix.stefanocislaghi.it 
> <mailto:root at vercingetorix.stefanocislaghi.it>, 2008-01-31 20:28:54
>  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:0/31 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
>  
> I'm not able to connect nodes anymore. Any hints? Options 
> --discard-my-data seems not to be present in version 8.
>  
> Thanks
>
> Stefano
>
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Hi Stefano

use "/ $drbdadm -- --overwrite-data-of-peer primary <resource>/

regards Harry

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