Sorry - I picked out the wrong line(s).
Feb 17 20:31:11 srv2-1 kernel: block drbd1: [drbd1_worker/3083]
sock_sendmsg time expired, ko = 4294967295 Feb 17 20:31:17 srv2-1
kernel: block drbd1: [drbd1_worker/3083] sock_sendmsg time expired, ko =
4294967294
That means your network is unreliable. Not much DRBD can do about it - I would
investigate the cause of that problem.
David
On 3/10/13 11:21 AM, AZ 9901 wrote:
David,
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 :
http://www.ovh.co.uk/dedicated_servers/data_centre_selection.xml
I have a 100Mbps connection between the 2 servers.
Best regards,
Ben
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.
David
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
Hello,
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,
Ben
Hello,
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,
Ben
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