>> What filesystem should I use? It seems ext4 and reiserfs are the only viable
>> options. I just hate the slowness of ext3 for rm -rf hardlink jobs, while
>> xfs and btrfs seem to be very unstable.
>>
>> - How stable is XFS?
>> - Is reiserfs (much) better at hard-link removal?
>> - Is reiserfs (much) less stable compared to ext4?
>>
>> BackupPC seems to recommend reiserfs although many sites say it's still an
>> unstable file system that does not have much lifespan left.
>>
>> My first back-up has been taking 12 hours for a small server and it's still
>> processing... there's only a few gigabytes of data on the Linux machine.
>> There should be more than enough power as rsnapshot back-ups always were
>> done in quick fashion. Even Bacula was able to do back-ups in less than 10
>> minutes.
>
>If you are backing up a few gigabytes and it is taking 12 hours, then
>ext3 is not your problem. It may be slower than some of the other
>options, but it is not THAT much slower. My largest backup is 300GB and
>a full backup takes 15 hours. Both the client and server are running ext3.
>
>How much memory do you have on the backup server? What backup method
>are you using?
The server has 1GB memory, but a pretty powerful processor. Although load seems
pretty distrastrous too: http://images.codepad.eu/v-ISmSn6.png
I found out that BackupPC is ignoring my Excludes though, while I have a 15GB
/pub partition.
This could explain why the run takes longer, but it should still finish within
an hour?
Rsnapshot runs were always lightning fast, network is 1gbit.
$Conf{BackupFilesOnly} = {};
$Conf{BackupFilesExclude} = {'/proc', '/blaat', '/pub', '/tmp'};
>You can just delete the directory and remove the test host from your
>hosts file.
That will only remove the hardlinks, not the original files in the pool?
Running du -h --max-depth=2 on /var/lib/backuppc/cpool, pc does not complete
within 20 minutes, so I can't show a listing.
>The space should be released when BackuPC_Nightly runs. If you want to
>start over quickly, I'd make a new filesystem on your archive partition
>(assuming you did mount a separate partition there, which is always a
>good idea...) and re-install the program.
I ran backuppc nightly /usr/share/backuppc/bin/BackupPC_nightly 0 255 after
removing all but 1 small host, but there are still lots of files left.
root@backuppc:~# df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda1 19909500 1424848 17473300 8% /
tmpfs 513604 0 513604 0% /lib/init/rw
udev 508852 108 508744 1% /dev
tmpfs 513604 0 513604 0% /dev/shm
/dev/sdb1 206422036 24155916 171780500 13% /var/lib/backuppc
root@backuppc:~#
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