Re: rsnapshot not creating hard links?

On 08/28/06 14:35, Matt Hansen wrote:
> # ls -ali /backup/hourly.*/alpha/etc/crontab
> 17383651 -rw-r--r--  1 root root 616 Feb 14  2006 
> /backup/hourly.2/alpha/etc/crontab
> 
> # ls -ali /backup/hourly.*/beta/home/confuted/.viminfo
> 17384730 -rw-------  2 confuted users 1556 Aug 25 21:16 
> /backup/hourly.1/beta/home/confuted/.viminfo
> 17384730 -rw-------  2 confuted users 1556 Aug 25 21:16 
> /backup/hourly.2/beta/home/confuted/.viminfo
> 
> # ls -ali /backup/hourly.*/alpha/home/confuted/risk.txt
> 12846111 -rw-r--r--  3 confuted users 274 May  1 09:29 
> /backup/hourly.0/alpha/home/confuted/risk.txt
> 12846111 -rw-r--r--  3 confuted users 274 May  1 09:29 
> /backup/hourly.1/alpha/home/confuted/risk.txt
> 12846111 -rw-r--r--  3 confuted users 274 May  1 09:29 
> /backup/hourly.2/alpha/home/confuted/risk.txt
> 
> So it seems that some files have gotten backed up correctly, while 
> others have not. For example, in hourly.1, there are no hard links to 
> any files in alpha's /etc directory.

So, it looks like hard links are working, and theres no problem there. 
Maybe your backup of /etc/ didn't complete, or your config file changed 
between the backups?

Eric



> On 8/28/06, *Eric Anderson* <anderson@xxxxxxxxxxxx 
> <mailto:anderson@xxxxxxxxxxxx>> wrote:
> 
>     On 08/28/06 14:19, Matt Hansen wrote:
>      > I don't seem to have hard links at all:
>      >
>      > /backup/hourly.2/ # ls
>      > alpha beta
>      >
>      > /backup/hourly.0/ # ls
>      > alpha
>      >
>      > The snapshots don't 'look like' full images.
> 
> 
>     Umm, that's not useful.  You need to something like:
> 
>     ls -ali /backup/hourly.*/(some path to a file)
> 
>     and send that output..
> 
>     Eric
> 
> 
>      > On 8/28/06, *Eric Anderson* <anderson@xxxxxxxxxxxx
>     <mailto:anderson@xxxxxxxxxxxx>
>      > <mailto: anderson@xxxxxxxxxxxx <mailto:anderson@xxxxxxxxxxxx>>>
>     wrote:
>      >
>      >     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.
>      >    
>     ------------------------------------------------------------------------
> 
>      >
>      >
>      >
>      >
>      > --
>      > Matt Hansen
>      > Electrical Engineering and Physics at MTU
>      > Aerospace Enterprise - GNC Team Leader
>      > (906) 370.3011
> 
> 
>     --
>     ------------------------------------------------------------------------
> 
>     Eric Anderson        Sr. Systems Administrator        Centaur Technology
>     Anything that works is better than anything that doesn't.
>     ------------------------------------------------------------------------
> 
> 
> 
> 
> -- 
> 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.
------------------------------------------------------------------------

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