Re: rsnapshot not creating hard links?

On 08/28/06 14:02, Matt Hansen wrote:
> I just started using rsnapshot, but it's gone through a few hourly 
> backups, and I'm not getting the results that I expected. From what I 
> read, I'm supposed to have a hard link to every file in each of the 
> hourly.0, hourly.1 , etc directories that points to the version of the 
> file that was there when the snapshot was taken.
> 
> Instead, hourly.2 (the oldest at the moment) contains most of the files 
> (~180GB), and hourly.1 and hourly.0 each contain ~30GB of files. 
> Overall, around 210GB of files are being backed up, and no more than 1GB 
> or so should have changed in between snapshots. In the hourly.0 and 
> hourly.1 directories, there are no hard links to the previous copy of 
> the files, and there are full copies of files that didn't change.

I think you aren't looking at the data correctly, because it looks fine 
to me.  When you look at the files, are you sure the files don't show a 
link count of more than 1?

> # rsnapshot du
> 31G     /backup/hourly.0/
> 29G     /backup/hourly.1/
> 182G    /backup/hourly.2/
> 241G    total
> 
> # du -csh hourly.0/ hourly.1/ hourly.2/
> 35G     hourly.0/
> 29G     hourly.1/
> 182G    hourly.2/
> 244G    total
> 
> # du -sh hourly.0/ hourly.1/ hourly.2/
> 35G     hourly.0/
> 30G     hourly.1/
> 211G    hourly.2/
> 
> # cat /etc/rsnapshot.conf | grep '^[^#]'
> config_version  1.2
> snapshot_root   /backup/
> cmd_cp          /bin/cp
> cmd_rm          /bin/rm
> cmd_rsync       /usr/bin/rsync
> cmd_ssh /usr/bin/ssh
> cmd_logger      /usr/bin/logger
> cmd_du          /bin/du
> interval        hourly  4
> interval        daily   7
> interval        weekly  4
> link_dest       1
> verbose         2
> loglevel        3
> logfile /var/log/rsnapshot
> lockfile        /var/run/rsnapshot.pid
> backup  root@alpha:/home/       alpha/
> backup  root@alpha:/etc/        alpha/
> backup  root@alpha:/root/       alpha/
> backup  /home/                  beta/
> 
> As you can see from the conf file, I'm backing files up from alpha onto 
> beta, and also from beta onto a separate hard drive on beta. It seems to 
> be making a full copy of the files on beta every time, and failing to do 
> something else correctly on alpha. Both machines have been on the whole 
> time. Can anyone provide some insight?
> 
> -- 
> Matt Hansen
> Electrical Engineering and Physics at MTU
> Aerospace Enterprise - GNC Team Leader
> (906) 370.3011
> 
> 
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-- 
------------------------------------------------------------------------
Eric Anderson        Sr. Systems Administrator        Centaur Technology
Anything that works is better than anything that doesn't.
------------------------------------------------------------------------

-------------------------------------------------------------------------
Using Tomcat but need to do more? Need to support web services, security?
Get stuff done quickly with pre-integrated technology to make your job easier
Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642