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On 26.08.10 16:27, Phil Stracchino wrote:
> By the sound of it, neither of these is applicable to you.
ok spooling is disabled for all pools on disks
> 17 hours to back up 80GB to disk? Good grief! You have a SERIOUS
> bottleneck somewhere in your system. I use an LTO-2 drive for full
> backups, which is slower than almost any decent disk system should be,
> and my system backs up half a terabyte in five to six hours. 10GB
> should take only minutes. The incremental backup last night of my main
> server, which backed up 98GB of data out of roughly 1.5TB, took only
> about an hour, most of which was spent scanning the disk farm for changes.
huh :o mh i think we have mostly little files...
im running a incremental backup right now, our system is running at load
2, we have 7% iowait, arround 10% nice and some percent on user and
system...
The bacula-fd process on client:
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
10473 root 25 5 2080m 1.9g 2236 S 77 23.9 516:14.16
/usr/sbin/bacula-fd -c /etc/bacula/bacula-fd.conf
i also think we have a problem with our changing data... i started a new
incremental backup after 3h from the last one and it backuped 6GB...
i excluded now every cache directory and directories with many little
files but the backup is right now running since 2h and it has allready 7GB!
>
> If your backup medium is THAT slow, it might actually be quicker to
> reinstall the base OS. But remember that all your settings, patches,
> customizations, OS metadata will be lost that way too. At the very
> least, you need to back up all your system settings under /etc. The
> question is not just "Does a restore take longer than reinstalling?",
> it's "Does a restore take longer than reinstalling and then recreating
> all of the metadata, configuration settings and customizations by hand?"
>
mh i think the backup medium isnt that slow... its more our server and
the harddisks...
we have EQ4 Server from Hetzner.de and they use normal desktop
hardware... we have just two Spinpoint F1 HDs... So random read access
is surely not made for reading thousands of little files...
sebastian
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