[DRBD-user] Primary fully unavailable with "time expired" errors

David Coulson david at davidcoulson.net
Sun Mar 10 16:01:50 CET 2013

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


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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> drbd-user at lists.linbit.com
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