On Wednesday 26 April 2006 15:44, Scott Ruckh wrote:
> This is what you said Pieter (NL)
>
> > Did you look, with for example wx-console, if the files you didn't want
> > to be
> > backed up are indeed excluded to make sure if your fileset is or isn't
> > the problem
> >
> > Pieter
> >
> >
> > --
> > View this message in context:
> > http://www.nabble.com/Backups-too-big%2C-and-other-questions-t1502635.htm
> >l#a4083663 Sent from the Bacula - Users forum at Nabble.com.
>
> Backing up the sparse file (1.2TB in size (64K actual size)), with the
> spase otion enabled for the file, still takes about 2.5 hours to backup.
> Does this sound correct?
Yes, due to the nature of the problem, Bacula is forced to read 1.2TB of data.
The OS doesn't simply tell Bacula that a block read doesn't exist, it returns
zeros for every non-existant block, and Bacula has to look at all those
stupid zeros. Wading through 1.2TB of non-existant zeros takes time. Sparse
files are not very backup friendly.
>
> That is an improvement on the 7 hours without sparse enabled, but I would
> have guessed that backing up a sparse file whose actual file size is 64K
> would only take a matter of seconds.
>
> Here is the new FileSet with the sparse option enabled:
>
> FileSet {
> Name = "Firewall Full"
>
> Include {
> Options {
> signature = MD5
> sparse = yes
> compression = GZIP
> }
> File = /var/log/lastlog
> }
>
> Include {
> Options {
> compression = GZIP
> signature = MD5
> wildfile = "/var/log/lastlog"
> wildfile = "/.journal"
> wildfile = "/.fsck"
> wilddir = /proc
> wilddir = /tmp
> wilddir = /sys
> wilddir = /dev
> wilddir = /mnt
> wilddir = /BACKUPS
> wilddir = /var/spool/squid
> Exclude = yes
> }
> File = /
> File = /boot
> File = /home
> File = /var
> }
> }
>
> I could probably remove /wildir = /BACKUPS as /BACKUPS is its own
> filesystem, but I included it for readability.
>
> If this is still not the correct way to handle the sparse file, please let
> me know.
>
> Thanks.
> Scott
>
>
>
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--
Best regards,
Kern
(">
/\
V_V
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