[CentOS] drbd
Digimer
lists at alteeve.ca
Sun Oct 12 19:30:06 UTC 2014
On 12/10/14 02:52 PM, John R Pierce wrote:
> On 10/12/2014 9:30 AM, Digimer wrote:
>> I can't speak to backuppc, but I am curious how you're managing the
>> resources. Are you using cman + rgmanager or pacemaker?
>
> strictly manually, with drbdadm and such. if the primary backup server
> ever fails, I'll bring up the backup by hand.
OK. So what's your start-up procedure? How should things start
automatically then and where exactly is backuppc hanging up? Is it
trying to start before DRBD is Primary?
> On 10/12/2014 9:31 AM, Digimer wrote:
>> What version of DRBD? If you're using a cluster resource manager,
>> which and what version? How is DRBD configured and, if you are using a
>> resource manager, what is it's config?
>
> its the drbd8.3 package from elrepo.
So 8.3.16?
> /etc/drbd.d/global_common.conf:
>
> global { usage-count no; }
>
> common {
> syncer { rate 200M; }
> }
Is this a 10 Gbps + very fast storage setup? If not, that is probably
*way* too high.
> /etc/drbd.d/main.res:
>
> resource main {
>
> protocol C;
> startup { wfc-timeout 0; degr-wfc-timeout 120; }
> disk { on-io-error detach; }
>
> syncer { verify-alg crc32c; }
>
> on sg1.domain.com {
> device /dev/drbd0;
> disk /dev/vg_sg1data/lvdata;
> meta-disk internal;
> address 10.5.160.70:7788;
> }
>
> on sg2.domain.com {
> device /dev/drbd0;
> disk /dev/vg_sg2data/lvcopy;
> meta-disk internal;
> address 10.5.160.71:7788;
> }
>
> }
What does 'drbdadm dump' show? That will give a better idea of the
actual setup. I'm interested specifically in the start parameters (ie:
become-primary-on, etc).
--
Digimer
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