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Re: rsnapshot not creating hard links?: msg#00086

sysutils.backup.rsnapshot.general

Subject: Re: rsnapshot not creating hard links?

# 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.

On 8/28/06, Eric Anderson <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>> 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
>      >
>      >
>      >
>     ------------------------------------------------------------------------
>      >
>      >
>     -------------------------------------------------------------------------
>      > 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
>     <http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642>
>      >
>      >
>      >
>     ------------------------------------------------------------------------
>      >
>      > _______________________________________________
>      > rsnapshot-discuss mailing list
>      > rsnapshot-discuss@xxxxxxxxxxxxxxxxxxxxx
>     <mailto:rsnapshot-discuss@xxxxxxxxxxxxxxxxxxxxx >
>      > https://lists.sourceforge.net/lists/listinfo/rsnapshot-discuss
>
>
>     --
>     ------------------------------------------------------------------------
>     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
-------------------------------------------------------------------------
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
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