[DRBD-user] Primary/Secondary issue

Paul Stewart paul at paulstewart.org
Tue Oct 6 02:46:47 CEST 2009


Hi there.

 

We have a 2 server setup running heartbeat and DRBD.  Myself and another
colleague have recently inherited this system and are trying to troubleshoot
it.  The person who previously looked after this system has left the company
and we're a bit confused over the setup.  Been reading through google
searches and docs . 

 

Anyways, these are very high load servers and we are migrating to a new
platform in the coming weeks - thankfully.  The problem is that a fail over
condition occurred last week and since then the primary server and the
secondary server don't see each other.  This doesn't appear to be a
split-brain scenario.

 

Secondary Server doesn't see the primary - looks like it's waiting for a
connection..

 

version: 8.2.1 (api:86/proto:86-87)

GIT-hash: 318925802fc2638479ad090b73d7af45503dd184 build by
xxxxxxxxxxxxxxxxx, 2007-12-13 08:44:02

 0: cs:WFConnection st:Secondary/Unknown ds:UpToDate/Outdated C r---

    ns:0 nr:0 dw:0 dr:0 al:0 bm:220 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:0/257 hits:0 misses:0 starving:0 dirty:0 changed:0

 

Primary Server doesn't see secondary so has gone to standalone state

 

version: 8.2.1 (api:86/proto:86-87)

GIT-hash: 318925802fc2638479ad090b73d7af45503dd184 build by xxxxxxxxxxxxxx,
2007-12-13 08:12:36

 0: cs:StandAlone st:Primary/Unknown ds:UpToDate/Outdated   r---

    ns:0 nr:0 dw:323319712 dr:171153901 al:3134034 bm:3134246 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:0/257 hits:77695894 misses:9721427 starving:0
dirty:6587393 changed:3134034

 

 

Between these two servers is a private point to point Ethernet link that has
no problems passing traffic, so network communication doesn't appear to be
the issue.

 

I want the primary server to remain primary but am concerned the secondary
server will not try to come online no matter what I've tried.   Being new to
drbd I'm sure it's just me ;) 

 

Suggestions?

 

Best regards,

 

Paul

 

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