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Thank you for your answer !
This log entry arrived just after (and is certainly due to the fact that) I closed network communication between srv2-1 and srv2-2 :
I connected to secondary server and used iptables to stop communication between the two servers.
Just after that, primary server was reachable again !
But according to logs, issue started 2 days before.
However, to answer your question, the network between the 2 servers is the private dedicated network OVH uses between its 2 data-centers RBX & SGB :
I have a 100Mbps connection between the 2 servers.
Le 10 mars 2013 à 16:01, David Coulson a écrit :
> What is your network between the two systems?
> Feb 19 19:20:56 srv2-2 kernel: block drbd1: PingAck did not arrive in time.
> That means DRBD couldn't communicate between the nodes.
> On 3/10/13 10:59 AM, AZ 9901 wrote:
>> Le 5 mars 2013 à 07:21, AZ 9901 a écrit :
>>> // I made some errors in my previous mail, here they are corrected
>>> I faced a big issue with DRBD.
>>> OS : Linux Debian 6
>>> Kernel : 2.6.32-46
>>> DRBD : 8.3.14
>>> My primary server (srv2-2) was totally unreachable, it only replied to ping.
>>> Apache, SSH etc... were not replying anymore.
>>> So I connected to my secondary server (srv2-1) and closed network communication between both.
>>> This made srv2-2 available again !
>>> I decided however to change srv2-1 from Secondary to Primary and to reboot srv2-2.
>>> Following are logs from srv2-2 and srv2-1, with some comments.
>>> srv2-2 : http://pastebin.com/raw.php?i=zkHV5Tr9
>>> srv2-1 : http://pastebin.com/raw.php?i=WX4vNR6d
>>> on srv2-2, sar tells me that some of my CPU cores were 100% used (100% iowait) during all the time frame in which I had "time expired" errors.
>>> Could you help me please ?
>>> Thank you very much,
>> Any help on this problem ?
>> To help further, here is my configuration : http://pastebin.com/raw.php?i=UJ7npfBD
>> Thank you very much,
>> Best regards,
>> drbd-user mailing list
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