[DRBD-user] Problem with private link and DRBD sync process

Lars Ellenberg Lars.Ellenberg at linbit.com
Fri Nov 24 14:02:15 CET 2006

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


/ 2006-11-23 15:58:50 +0100
\ Saul, Markus:
> Hello list,
> in the setup I run here I got a problem that drives me almost mad, when
> doing a drbd sync after some time the connection will get dropped and
> packet loss occurs. Two servers connected with a cluster link for
> heartbeat and drbd.
> Maybe someone has got an idea. The network "runs" fine for days
> (heartbeat sends its heartbeat packets, but no real load is put on the
> private link), but if you start up drbd on the second node...the link
> will bog down after awhile, usually after some seconds 5-10, but this
> varies). It also doesn't matter if heartbeat is also running or not.
> I don't know if this a drbd issue..but maybe you can give me some sort
> of hint..since it only shows when doing the drbd connect/sync... 

not a drbd problem.

> nagios2:~# ping 192.168.1.1
> PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data.
> >From 192.168.1.2 icmp_seq=1 Destination Host Unreachable
> >From 192.168.1.2 icmp_seq=2 Destination Host Unreachable
> >From 192.168.1.2 icmp_seq=3 Destination Host Unreachable
> >From 192.168.1.2 icmp_seq=5 Destination Host Unreachable
> >From 192.168.1.2 icmp_seq=6 Destination Host Unreachable
> >From 192.168.1.2 icmp_seq=7 Destination Host Unreachable
> >From 192.168.1.2 icmp_seq=9 Destination Host Unreachable
> >From 192.168.1.2 icmp_seq=10 Destination Host Unreachable

> Thanks for any hints,

what broken network card / driver do you use?

-- 
: Lars Ellenberg                                  Tel +43-1-8178292-0  :
: LINBIT Information Technologies GmbH            Fax +43-1-8178292-82 :
: Schoenbrunner Str. 244, A-1120 Vienna/Europe   http://www.linbit.com :
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