C. Ronoz wrote at about 16:31:33 +0200 on Wednesday, June 29, 2011:
 > 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. 

As far as I know BackupPC doesn't recommend *any*
filesystem. Different users may favor one or another based on personal
experience. If anything, lately I have heard more criticisms of Reiserfs than 
recommendations.

 > 
 > 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.

12 hours for a few gigabytes sounds like something is wrong.

 > 
 > Also, I removed a few backups via the shell script from the
 > wiki... but I still see many references to the old test hosts? How
 > can I clean up the entire installation? I don't mind removing all
 > data, I just don't want to waste back-up space on previously
 > back-upped servers that have been removed. 

You can just delete the directory and remove the test host from your
hosts file.

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