Re: [linux-lvm] Backup of ROOT Partition.

[Jean-Philippe Villeneuve <jeepii globetrotter net>]

I tried the folowing recipe: 
http://tldp.org/HOWTO/LVM-HOWTO/snapshots_backup.html with the folowing 
script:

/****************************/

#!/bin/sh
BAKLVMNAME=sysbackup
lvcreate -L592M -s -n $BAKLVMNAME  /dev/VolGroup00/LogVol00
mount /dev/VolGroup00/$BAKLVMNAME /mnt/sysbackup/ -o ro
cd /mnt/sysbackup
time tar -cjvpf /mnt/serveur/backSysVol.bz2 *
cd ..
umount /mnt/sysbackup
lvremove -f /dev/VolGroup00/$BAKLVMNAME

/****************************/

I get the folowing error:
 Rounding up size to full physical extent 608.00 MB
 Insufficient free extents (1) in volume group VolGroup00: 19 required

It works find if I do it with -L20M.
How do I change the LogicalVolumeSize?

according to 'df' I have plenty of space for data.

# df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
                      35G  6.0G   27G  19% /
/dev/md0              677G  270G  373G  42% /mnt/serveur
/dev/sda1             190M   26M  155M  15% /boot
tmpfs                 374M     0  374M   0% /dev/shm

Am I missing something?

Jean-Philippe Villeneuve wrote:
> Bryan Kadzban wrote:
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: RIPEMD160
> >
> > Jean-Philippe Villeneuve wrote:
> >  
> > > I would like to know if I can backup all my system partitions(ROOT 
> > > included) using a snapshot?
> > >     
> >
> > Depends on what you mean by "backup [...] using a snapshot".
> >
> > If you mean taking a snapshot, then mounting it somewhere and pointing
> > your backup software to that mount point, then unmounting and deleting
> > the snapshot after the backup is done, then yes, it should work fine.
> >   
> This is exactly what I want to do.  I just want the latest 
> configuration, users files etc. I realy don't need files at a specific 
> date with tons of backups.
>
> Than you all for the fast and acurate answers.
>
> Jean-Philippe
>
>
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