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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