Thanks for the help Chris!
* Using the term job loosely here, as I personally have
> $Conf{MaxBackupPCNightlyJobs} = 8.
Is backuppc nightly jobs heavy on RAM?
I would like to increase the amount of BackupPC nightly jobs, but right now
all of my RAM and most of my swap is being used by BackupPC_Dump.
On Mon, Jun 2, 2008 at 7:32 PM, Chris Robertson <[EMAIL PROTECTED]> wrote:
> Bruno Faria wrote:
> > Hi,
> >
> > I've posted a similar a question before but since I didn't get any
> response
> > the first time, I guess I'll try again . :)
> >
>
> You might be edified by reading the documentation
> (http://backuppc.sourceforge.net/faq/BackupPC.html). I highly recommend
> the section detailing how the software works
> (http://backuppc.sourceforge.net/faq/BackupPC.html#backuppc_operation).
> If you are not the document reading type, I have excerpted some
> pertinent details below...
>
> > For some reason I'm getting alot of "link pending". During the first
> backups
> > I didn't have any problem with link pending since once a backup was done
> it
> > would be done without any link pending. But whenever BackupPC_Nightly
> > started, all the backups are getting "link pending" for hours and hours
> > (about 7+ hours of link pending for each host).
> >
> > So here are my questions:
> >
> > 1) Is it normal for links to be pending this long?
> >
>
> From the document section on $Conf{MaxBackupPCNightlyJobs} (under
>
> http://backuppc.sourceforge.net/faq/BackupPC.html#general_server_configuration
> ):
>
> "Each night, at the first wakeup listed in $Conf{WakeupSchedule}
> <
> http://backuppc.sourceforge.net/faq/BackupPC.html#item__conf_wakeupschedule_
> >,
> BackupPC_nightly is run. Its job is to remove unneeded files in the
> pool, ie: files that only have one link. To avoid race conditions,
> BackupPC_nightly and BackupPC_link cannot run at the same time."
>
> > 2) Would it be bad if I just increase the max amount of "link pending" on
> > the config.pl file to allow about 20+ pending links?
> >
>
> Personally, I have "$Conf{MaxPendingCmds} = 50;" My nightly job* (which
> removes between 6 and 9 GB of data from a pool size of about 240GB on a
> pair of software mirrored SCSI drives) is currently taking between 9 and
> 14 hours. I get close to 30 link jobs queued, and they all clear out
> less than an hour after the nightly job finishes. Since I run all my
> backups at night (blackout period of 07:00 to 19:30) I'll probably wind
> up making the "nightly" job run in the morning.
>
> > 3) What's the job of "link pending"?
> >
>
> Also from the docs :
>
> "BackupPC_link reads the NewFileList written by BackupPC_dump and
> inspects each new file in the backup. It re-checks if there is a
> matching file in the pool (another BackupPC_link could have added the
> file since BackupPC_dump checked). If so, the file is removed and
> replaced by a hard link to the existing file. If the file is new, a hard
> link to the file is made in the pool area, so that this file is
> available for checking against each new file and new backup."
>
> > Thanks for help in advance!
> >
> > --Bruno
>
> Hope this helps.
>
> Chris
>
> * Using the term job loosely here, as I personally have
> $Conf{MaxBackupPCNightlyJobs} = 8.
>
> -------------------------------------------------------------------------
> This SF.net email is sponsored by: Microsoft
> Defy all challenges. Microsoft(R) Visual Studio 2008.
> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
> _______________________________________________
> BackupPC-users mailing list
> [email protected]
> List: https://lists.sourceforge.net/lists/listinfo/backuppc-users
> Wiki: http://backuppc.wiki.sourceforge.net
> Project: http://backuppc.sourceforge.net/
>
-------------------------------------------------------------------------
This SF.net email is sponsored by: Microsoft
Defy all challenges. Microsoft(R) Visual Studio 2008.
http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
_______________________________________________
BackupPC-users mailing list
[email protected]
List: https://lists.sourceforge.net/lists/listinfo/backuppc-users
Wiki: http://backuppc.wiki.sourceforge.net
Project: http://backuppc.sourceforge.net/
