[DRBD-user] frequnet crashes/reboots on a drbd/ha/xen setup

Heiko rupertt at gmail.com
Wed Jun 3 15:43:55 CEST 2009

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

On Wed, Jun 3, 2009 at 3:34 PM, Tony Lownds <tony at pagedna.com> wrote:

> On Jun 2, 2009, at 10:59 PM, Heiko wrote:
>  Hello,
>> i am investigating why our server pairs reboot themselves from time to
>> time.
>> This is very annoing because these machines are in production and i always
>> have to fix mysql replications or drbd splitbrains after these reboots.
>> We have 3 pairs that use a drbd/xen/heartbeat setup and 2 of these pairs
>> crash,
>> sometimes every 2 week sometimes only twice a year.
>> I first thought it could be heartbeat, but I stopped the service on 1 pair
>> and we also had a crash.
>> Are there other people who had these kind of crashes?
> Yes, sounds familiar... switching to protocol "A" is a workaround that
> helped for me.
> http://article.gmane.org/gmane.comp.linux.drbd/17684
Hello Tony,

you are giving me hope, but I dont understand that post you linked.
I now have set to Protocoll to A.
Can I just run drbdadm adjust "resource" without getting any trouble/data


> -Tony
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