Zitat von b_rom AT mail DOT ru:
> On Nov 29, 2012, at 11:45 PM, lst_hoe02 AT kwsoft DOT de wrote:
>
>>
>> Zitat von b_rom AT mail DOT ru:
>>
>>> On Nov 29, 2012, at 11:05 PM, Dan Langille <dan AT langille DOT org> wrote:
>>>
>>>>
>>>> On Nov 29, 2012, at 2:26 PM, b_rom AT mail DOT ru wrote:
>>>>
>>>>> Hello,
>>>>>
>>>>> I have a couple of hosts which backup through bacula. I have
>>>>> confronted with next situation, one host can't perform full
>>>>> backup, process of backup always finished with this error:
>>>>> Error: bsock.c:389 Write error sending 262144 bytes to Storage
>>>>> daemon:IP ADDRESS:9103: ERR=Broken pipe
>>>>> Fatal error: backup.c:1190 Network send error to SD. ERR=Broken pipe
>>>>> Error: Director's comm line to SD dropped
>>>>> Error: Bacula dir.bacula.HOSTNAME. 5.2.6
>>>>>
>>>>> Time of occurrence of this error is not always the same, here
>>>>> are the logs:
>>>>> Elapsed time: 11 mins 56 secs
>>>>> Elapsed time: 1 hour 10 mins 18 secs
>>>>> Elapsed time: 47 mins 36 secs
>>>>> Elapsed time: 1 hour 14 mins 40 secs
>>>>> Elapsed time: 1 hour 40 mins 1 sec
>>>>>
>>>>> I don't think that this related to network issue. But client side
>>>>> have a lot of I/O operation, disk system is busy almost all the
>>>>> time. Maybe this is a cause.
>>>>> How can I solve this? I don't see any timeout directives which
>>>>> can help me.
>>>>>
>>>>> Client side is FreeBSD 7.2 amd64 bacula 5.2.6
>>>>
>>>> HEADS UP. FreeBSD 7.2 was end-of-life'd in 2010 which means no
>>>> security patches will be issued for it. Upgrading is recommended.
>>>>
>>>> see http://www.freebsd.org/security/#unsup
>>>>
>>>> That that matter, that's an old version of FreeBSD too. :)
>>>>
>>> I know, but upgrade in this case is impossible and this is not
>>> related to our problem with bacula I think
>>>>> Server side (DIR and SD on the same host) is FreeBSD 9.0 amd64
>>>>> bacula 5.2.6 (also tried 5.2.12 with the same result)
>>>>
>>>> Have you looked at trying the 'Heartbeat Interval' settings?
>>>>
>>>> You should try setting on the SD. There is also a 'Heartbeat
>>>> Interval' on the FD, but that doesn't seem to be the error you're
>>>> getting.
>>>
>>> yes, I have tried to play with "Heartbeat Interval". Unfortunately
>>> doesn't help.
>>
>
> this is not related to NIC in my case, the same issue with various
> cards, OS. The same behaviour with FreeBSD, CentOS. Broadcom and
> Intel cards.
> I have no idea what could be a cause, anybody have have any thoughts?
>
>> Try with another NIC. We first had problems with our Bacula Server
>> failing two clients out of ~20 with connection failures randomly.
>> After ditching the Onboard GE (Marvell PHY) and using a PCIe NIC on
>> the Server the problem went away.
>>
It is a problem outside Bacula which simply uses a standard long-lived
TCP connection. The amount of data transfered over a single connection
for a long time does reveal subtile bugs in hardware and OS/drivers
from time to time. So your only chance to solve is too swap related
parts (NIcs, Switches, Router, cable ...) until the culprit is found.
Regards
Andreas
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