Re: [Bacula-users] Bacula ClientRunBeforeJob
Hi,
21.10.2009 08:42, Robert Backhaus wrote:
Hello all,
i want to backup mysql binlog files incremetally. We wrote a script
(binlog-backup), which flush the logs and writes the backupfiles to
restore.info.
config
ClientRunBeforeJob= /usr/local/bin/binlog-backup
Include {
Options { signature = SHA1 }
File = \\/data/mysql-binlog/restore.info
}
/config
Now i have the effect: the bacula job reads restore.info before running the
script. the result is: i backup the files a job later. An additional cronjob
on
the client, i want to avoid. Currently my approach is to schedule 2 jobs:
with
ClientRunBeforeJob to create the filelist and backup a zero directory and a
second (5 min later )to backup the files from restore.info.
1) Is there a way to configure bacula, to do the Clientrunbeforjob and than
reads
the filelist?
None that I know. Might be a nice feature request.
2) Is there a way to pass paramtere/variables (files to backup) to bacula
The way you do it is the right one, I think.
3) Any other hints?
Yes... the way I do this sort of thing is to prepare the backup in a
script that also lists the files to back up. Essentially the job
preparation is moved from the Job resource to the FileSet one.
The file set is dynamically generated, not stored in a file, but the
script just prints all the files that it prepared to stdout, and
Bacula picks that up as its list of files to back up.
In the configuration, it looks a bit messy because you don't easily
see that there is some work done before the backup can start, but it's
working.
Cheers,
Arno
Robert
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Re: [Bacula-users] Bacula ClientRunBeforeJob
On Wed, Oct 21, 2009 at 10:44:01AM +0200, Christian Gaul wrote:
Robert Backhaus schrieb:
Hello all,
i want to backup mysql binlog files incremetally. We wrote a script
(binlog-backup), which flush the logs and writes the backupfiles to
restore.info.
config
ClientRunBeforeJob= /usr/local/bin/binlog-backup
Include {
Options { signature = SHA1 }
File = \\/data/mysql-binlog/restore.info
}
/config
Now i have the effect: the bacula job reads restore.info before running the
script. the result is: i backup the files a job later. An additional
cronjob on
the client, i want to avoid. Currently my approach is to schedule 2 jobs:
with
ClientRunBeforeJob to create the filelist and backup a zero directory and a
second (5 min later )to backup the files from restore.info.
1) Is there a way to configure bacula, to do the Clientrunbeforjob and than
reads
the filelist?
2) Is there a way to pass paramtere/variables (files to backup) to bacula
3) Any other hints?
Robert
the runbefore script should not be returning immediately, what happens
if you run /usr/local/bin/binlog-backup manually? do you get right back
to the shell or does it take a while to write the data to restore.info?
the scripts runs 1 second
if the job returns right away then there is nothing bacula can do, you
have to fix your script to actually finish processing before returning
(synchronous instead of asynchronous). For me bacula waits until the
runbefore script(s) have finished before saving data.
if i understand you right, you have an anlaog szenario - your script writes
a file and bacula include this file in one job and it works ...
Robert
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Re: [Bacula-users] Bacula ClientRunBeforeJob
Robert Backhaus schrieb:
On Wed, Oct 21, 2009 at 10:44:01AM +0200, Christian Gaul wrote:
Robert Backhaus schrieb:
Hello all,
i want to backup mysql binlog files incremetally. We wrote a script
(binlog-backup), which flush the logs and writes the backupfiles to
restore.info.
config
ClientRunBeforeJob= /usr/local/bin/binlog-backup
Include {
Options { signature = SHA1 }
File = \\/data/mysql-binlog/restore.info
}
/config
Now i have the effect: the bacula job reads restore.info before running the
script. the result is: i backup the files a job later. An additional
cronjob on
the client, i want to avoid. Currently my approach is to schedule 2 jobs:
with
ClientRunBeforeJob to create the filelist and backup a zero directory and a
second (5 min later )to backup the files from restore.info.
1) Is there a way to configure bacula, to do the Clientrunbeforjob and than
reads
the filelist?
2) Is there a way to pass paramtere/variables (files to backup) to bacula
3) Any other hints?
Robert
the runbefore script should not be returning immediately, what happens
if you run /usr/local/bin/binlog-backup manually? do you get right back
to the shell or does it take a while to write the data to restore.info?
the scripts runs 1 second
which doesn't really help diagnose the problem :-)
is the file writing completed at the end of the script, or does it fork
into the background to do its work?
if it forks, change it.
if the job returns right away then there is nothing bacula can do, you
have to fix your script to actually finish processing before returning
(synchronous instead of asynchronous). For me bacula waits until the
runbefore script(s) have finished before saving data.
if i understand you right, you have an anlaog szenario - your script writes
a file and bacula include this file in one job and it works ...
Robert
Yes. Simple example is mysqldump that writes the dump to a file.. you
can fork that into the background or you can wait for it to get done
writing, if you dont wait for it to finish writing bacula cant back it up.
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Re: [Bacula-users] Bacula ClientRunBeforeJob
Robert Backhaus schrieb:
Hello all,
i want to backup mysql binlog files incremetally. We wrote a script
(binlog-backup), which flush the logs and writes the backupfiles to
restore.info.
config
ClientRunBeforeJob= /usr/local/bin/binlog-backup
Include {
Options { signature = SHA1 }
File = \\/data/mysql-binlog/restore.info
}
/config
Now i have the effect: the bacula job reads restore.info before running the
script. the result is: i backup the files a job later. An additional cronjob
on
the client, i want to avoid. Currently my approach is to schedule 2 jobs:
with
ClientRunBeforeJob to create the filelist and backup a zero directory and a
second (5 min later )to backup the files from restore.info.
1) Is there a way to configure bacula, to do the Clientrunbeforjob and than
reads
the filelist?
2) Is there a way to pass paramtere/variables (files to backup) to bacula
3) Any other hints?
Robert
the runbefore script should not be returning immediately, what happens
if you run /usr/local/bin/binlog-backup manually? do you get right back
to the shell or does it take a while to write the data to restore.info?
if the job returns right away then there is nothing bacula can do, you
have to fix your script to actually finish processing before returning
(synchronous instead of asynchronous). For me bacula waits until the
runbefore script(s) have finished before saving data.
--
Come build with us! The BlackBerry(R) Developer Conference in SF, CA
is the only developer event you need to attend this year. Jumpstart your
developing skills, take BlackBerry mobile applications to market and stay
ahead of the curve. Join us from November 9 - 12, 2009. Register now!
http://p.sf.net/sfu/devconference
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