[DRBD-user] Manuall split brain recovery

Zemke, Kai Kai.Zemke at smartnet.de
Mon Apr 19 16:37:53 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.


Peer says this:

drbd0: Handshake successful: Agreed network protocol version 89                                    
drbd1: Handshake successful: Agreed network protocol version 89
drbd1: Peer authenticated using 20 bytes of 'sha1' HMAC
drbd1: conn( WFConnection -> WFReportParams )
drbd1: Starting asender thread (from drbd1_receiver [17101])
drbd1: data-integrity-alg: <not-used>
drbd1: drbd_sync_handshake:
drbd1: self 1B68A45326D3FE66:0000000000000000:91FAC87730195DDA:FD65B88E6A51EB2D
drbd1: peer D0ADE70ED2BE8187:1B68A45326D3FE67:F82B7689BD594B4D:594BFA9607345AF1
drbd1: uuid_compare()=-1 by rule 5
drbd1: peer( Unknown -> Primary ) conn( WFReportParams -> WFBitMapT ) pdsk( DUnknown -> UpToDate )
drbd0: Peer authenticated using 20 bytes of 'sha1' HMAC
drbd0: conn( WFConnection -> WFReportParams )
drbd0: Starting asender thread (from drbd0_receiver [17098])
drbd0: data-integrity-alg: <not-used>
drbd0: drbd_sync_handshake:
drbd0: self 3B65E689948A521C:0000000000000000:3D2FEF98241D6D92:D9BDA248D9B3084B
drbd0: peer ED3D72BAAFA86B17:3B65E689948A521D:9497600EC37ADDCA:8DDA6EEA9F0AB5F8
drbd0: uuid_compare()=-1 by rule 5
drbd0: peer( Unknown -> Primary ) conn( WFReportParams -> WFBitMapT ) pdsk( DUnknown -> UpToDate )
drbd1: conn( WFBitMapT -> WFSyncUUID )
drbd1: helper command: /sbin/drbdadm before-resync-target minor-1
drbd1: helper command: /sbin/drbdadm before-resync-target minor-1 exit code 2 (0x200)
drbd1: before-resync-target handler returned 2, dropping connection.
drbd1: peer( Primary -> Unknown ) conn( WFSyncUUID -> Disconnecting ) pdsk( UpToDate -> DUnknown )
drbd1: asender terminated
drbd1: Terminating asender thread
drbd0: conn( WFBitMapT -> WFSyncUUID )
drbd0: helper command: /sbin/drbdadm before-resync-target minor-0
drbd0: helper command: /sbin/drbdadm before-resync-target minor-0 exit code 2 (0x200)
drbd0: before-resync-target handler returned 2, dropping connection.
drbd0: peer( Primary -> Unknown ) conn( WFSyncUUID -> Disconnecting ) pdsk( UpToDate -> DUnknown )
drbd0: asender terminated
drbd0: Terminating asender thread
drbd1: Connection closed
drbd1: conn( Disconnecting -> StandAlone )
drbd1: receiver terminated
drbd1: Terminating receiver thread
drbd0: Connection closed
drbd0: conn( Disconnecting -> StandAlone )
drbd0: receiver terminated
drbd0: Terminating receiver thread

I see these errors:

drbd0: helper command: /sbin/drbdadm before-resync-target minor-0
drbd0: helper command: /sbin/drbdadm before-resync-target minor-0 exit code

But I have no clue what they are about. I just took over this cluster it wasn't installed by my hands but now I have to deal with it since I'm responsible for these two machines.

With kind regards 
Kai Zemke

-----Ursprüngliche Nachricht-----
Von: drbd-user-bounces at lists.linbit.com [mailto:drbd-user-bounces at lists.linbit.com] Im Auftrag von Dan Barker
Gesendet: Montag, 19. April 2010 15:03
An: drbd-user at lists.linbit.com
Betreff: Re: [DRBD-user] Manuall split brain recovery

> If it's network I have to do some research again. But this nodes are
directly 
> attached via crossover. But I'll have a look at it. Or does this output
show 
> any other strange behaviour? 

The first error I see is "meta connection shut down by peer". What does
peer's dmesg show?

Dan


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