[[http://en.wikipedia.org/wiki/Logical_volume_management|LVM sur wikipedia en]]
[[http://fr.wikipedia.org/wiki/Gestion_par_volumes_logiques|LVM sur wikipedia fr]]
[[http://doc.ubuntu-fr.org/lvm|LVM sur la doc ubuntu fr]]
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=====exemple de migration LVM du serveur :=====
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===résumé du stockage===
UUID									device		type	size		mount point
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nouveau tera							/dev/sda			1000 Go
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système									/dev/sdb			300 Go
ca6098f1-538e-4cc1-888e-f4b3131b6b05	/dev/sdb1	ext3	296 Go		/
a798955e-6aa1-4e8b-b29f-1f7d255ffa71	/dev/sdb3	swap	4 Go		swap
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ancien tera								/dev/sdc			1000 Go
15a8ba6a-15de-45cd-9760-ffaf2ea84899	/dev/sdc1	ext3	1000 Go		/media/stockage -> /mnt/old_stockage
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===commandes===
/etc/init.d/mldonkey stop
umount /media/stockage
mkdit /mnt/old_stockage /mnt/new_stockage
mount /dev/sdc1 /mnt/old_stockage
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apt-get install lvm2
pvcreate /dev/sda1
vgcreate stockageVG /dev/sda1
lvcreate -n stockageLV -L 931g stockageVG
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mkfs -t ext3 /dev/stockageVG/stockageLV
tune2fs -m 0 /dev/stockageVG/stockageLV
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mkdir /mnt/new_stockage
mount /dev/stockageVG/stockageLV /mnt/new_stockage
df -h
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nohup cp  -a  /mnt/old_stockage/.   /mnt/new_stockage &