Hi Arno,
thanks for your reply. In the last days I tried to implement your
suggestions. As far as I could find out the heartbeat interval
configuration option has to be added to the configuration of the
director, so this is how my director configuration looks like right now:
Director { # define myself
Name = plato-dir
DIRport = 9101 # where we listen for UA connections
QueryFile = "/usr/lib/bacula/query.sql"
WorkingDirectory = "/var/lib/bacula"
PidDirectory = "/var/run"
Maximum Concurrent Jobs = 1
Password = "somepass" # Console password
Messages = Daemon
Heartbeat Interval = 60
}
Anyway, the error stays the same. Did I add this configuration option
correctly?
Best Regards,
Benedikt
Arno Lehmann schrieb:
> Hi,
>
> 19.05.2009 07:51, Benedikt Carda wrote:
>
>> Dear All,
>>
>
> welcome to the mailing list! I hope we can help you with your
> problems, and I hope you enjoy the way the Bacula community works
> together!
>
>
>> I kindly ask for help to solve the below problem:
>>
>> My configuration:
>> OS: Centos 5.3
>> Bacula version: 2.4.4.1
>>
>> I try to setup a backup process to backup just one database file (a
>> mysql dump) for nightly backup over the internet (in order to have the
>> backup off site). I am using this already for backing up other files and
>> the connection works, only with large files,
>>
>
> Ah... quite obvious, if you ask me :-)
>
>
>> it seems bacula has a
>> problem. The error is everyday exactly the same:
>>
>> 19-Mai 04:05 plato-dir JobId 206: No prior Full backup Job record found.
>> 19-Mai 04:05 plato-dir JobId 206: No prior or suitable Full backup found
>> in catalog. Doing FULL backup.
>> 19-Mai 04:05 plato-dir JobId 206: Start Backup JobId 206,
>> Job=merkur-database.2009-05-19_04.05.00.27
>> 19-Mai 04:05 plato-dir JobId 206: Using Device "FileStorage"
>> 19-Mai 04:05 plato-sd JobId 206: Volume "2009-0003" previously written,
>> moving to end of data.
>> 19-Mai 04:05 plato-sd JobId 206: Ready to append to end of Volume
>> "2009-0003" size=777761344
>> 19-Mai 05:11 plato-sd JobId 206: Job write elapsed time = 01:06:18,
>> Transfer rate = 39.45 K bytes/second
>> 19-Mai 06:16 plato-dir JobId 206: Fatal error: Network error with FD
>> during Backup: ERR=Die Wartezeit für die Verbindung ist abgelaufen
>> 19-Mai 06:16 plato-dir JobId 206: Fatal error: No Job status returned
>> from FD.
>>
>
> This means that the connection between DIR and FD is dead.
>
>
>> 19-Mai 06:16 plato-dir JobId 206: Error: Bacula plato-dir 2.4.4
>> (28Dec08): 19-Mai-2009 06:16:18
>> Build OS: i686-redhat-linux-gnu redhat
>> JobId: 206
>> Job: merkur-database.2009-05-19_04.05.00.27
>> Backup Level: Full (upgraded from Incremental)
>> Client: "merkur-fd" 2.4.4 (28Dec08)
>> i686-redhat-linux-gnu,redhat,
>> FileSet: "merkur-database" 2009-02-26 04:05:00
>> Pool: "plato" (From Job resource)
>> Storage: "plato-sd" (From Job resource)
>> Scheduled time: 19-Mai-2009 04:05:00
>> Start time: 19-Mai-2009 04:05:02
>> End time: 19-Mai-2009 06:16:18
>> Elapsed time: 2 hours 11 mins 16 secs
>> Priority: 10
>> FD Files Written: 0
>> SD Files Written: 2
>> FD Bytes Written: 0 (0 B)
>> SD Bytes Written: 156,970,404 (156.9 MB)
>> Rate: 0.0 KB/s
>> Software Compression: None
>> VSS: no
>> Storage Encryption: no
>> Volume name(s): 2009-0003
>> Volume Session Id: 95
>> Volume Session Time: 1238603747
>> Last Volume Bytes: 934,848,632 (934.8 MB)
>> Non-fatal FD errors: 0
>> SD Errors: 0
>> FD termination status: Error
>> SD termination status: OK
>> Termination: *** Backup Error ***
>>
>> It seems like the network connection has been terminated sometime.
>>
>
> Well, not the network connection itself, but the TCP session between
> DIR and FD.
>
>
>> But
>> that is not true as it is a permanent connection with a static IP
>> address on both sides.
>>
>
> There's more to it than just IP addresses... Bacula uses TCP, so there
> is a persistent connection established. Any router / firewall between
> DIR and FD can affect the state of that connection, and that's most
> likely what you observe: After a certain time of inactivity, some
> router decides the connection is stale and closes it. Some routers
> tend to do that and do not follow some standards that, on the TCP/IP
> level, keep connections open (this can be a feature, too, if you need
> to prevent DoS attacks where the attack itself is opening so many
> connections that resources are exhausted).
>
>
>> Furthermore, the line "SD Files Written:" states
>> that there were two files written to the storage daemon. This is even
>> one more than expected, it should only backup this one directory where
>> there is only one file in it. And secondly the "SD Bytes Written:" line
>> states nearly the bytes the mysql dump file had on that day (some bytes
>> more than the file actually has). This means it actually wrote the whole
>> file but after that I get an error or let's say the FD doesn't respond
>> anymore or something. How can this happen? What could be a solution?
>>
>
> How this happens is explained above. The cure is probably to use
> Bacula's "Heartbeat interval" directive, to force Bacula to send some
> packets between DIR and FD regularly. That should enable any router in
> between to understand that this connection is still in use and should
> not be forcibly dropped.
>
> Arno
>
>
>> Thanks in advance.
>>
>> Best Regards,
>> Benedikt.
>>
>>
>>
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>>
>
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