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mise a jour du resize avec lvm

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Daniel Jakots 2016-12-29 12:13:06 -05:00
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HowtoLVM.md
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@ -363,52 +363,42 @@ Do you really want to remove active logical volume "testlvm2"? [y/n]: y
### Augmenter la taille d'un LV
`lvextend` peut se charger d'augmenter le système de fichier sous-jacent
(avec `-r`). On peut indiquer l'augmentation en relatif ou en absolu
(`-L+10G` ou `-L50G`).
~~~
# umount /dev/mylvmtest/thirdlvmvol
# lvextend -L+1G /dev/mylvmtest/thirdlvmvol
Extending logical volume thirdlvmvol to 4,00 GB
Logical volume thirdlvmvol successfully resized
# lvextend -r -L+10G /dev/mylvmtest/thirdlvmvol
fsck from util-linux 2.25.2
BACKUP: clean, 11/704854016 files, 89036065/2819416064 blocks
Size of logical volume mylvmtest/thirdlvmvol changed from 2.63 TiB (688334 extents) to 2.64 TiB (690894 extents).
Logical volume backup successfully resized
resize2fs 1.42.12 (29-Aug-2014)
Resizing the filesystem on /dev/mapper/myvmtest-thirdlvmvol to 2829901824 (1k) blocks.
# resize2fs -p /dev/mylvmtest/thirdlvmvol
# e2fsck -f /dev/mylvmtest/thirdlvmvol -C0
e2fsck 1.35 (28-Feb-2004)
Passe 1: vérification inodes, blocs, et des tailles
Passe 2: vérification de la structure répertoire
Passe 3: vérification de lca connectivité répertoire
Pass 4: vérification des compteur de références
Pass 5: vérification de l'information du sommaire groupe
/dev/mylvmtest/thirdlvmvol: 11/393216 fichier (0.0% non
blocs
# resize2fs -p /dev/mylvmtest/thirdlvmvol
resize2fs 1.35 (28-Feb-2004)
Resizing the filesystem on /dev/mylvmtest/thirdlvmvol to
Le système de fichiers /dev/mylvmtest/thirdlvmvol a main
8576 blocs.
# mount /dev/mylvmtest/thirdlvmvol
~~~
### Réduire la taille d'un LV
~~~
ACTIVE '/dev/mylvmtest/secondlvmvol' [60,00 GB] inherit
`lvreduce` peut se charger de réduire le système de fichier sous-jacent
(avec `-r`). On peut indiquer la réduction en relatif ou en absolu
(`-L-10G` ou `-L50G`).
~~~
# umount /dev/mylvmtest/secondlvmvol
# e2fsck -f /dev/mylvmtest/secondlvmvol -C0
# lvreduce -L-300G /dev/mylvmtest/secondlvmvol
fsck from util-linux 2.25.2
BACKUP: 11/783497216 files (0.0% non-contiguous), 98946865/3133988864 blocks
resize2fs 1.42.12 (29-Aug-2014)
Resizing the filesystem on /dev/mapper/mylvmtest-secondlvmvol to 2819416064 (1k) blocks.
# resize2fs /dev/mylvmtest/secondlvmvol 50G
resize2fs 1.41.12 (17-May-2010)
Resizing the filesystem on /dev/mylvmtest/secondlvmvol to 13107200 (4k) blocks.
The filesystem on /dev/mylvmtest/secondlvmvol is now 13107200 blocks long.
# lvreduce -L-10G /dev/mylvmtest/secondlvmvol
WARNING: Reducing active logical volume to 50,00 GB
THIS MAY DESTROY YOUR DATA (filesystem etc.)
Do you really want to reduce secondlvmvol? [y/n]: y
Reducing logical volume secondlvmvol to 50,00 GB
Logical volume secondlvmvol successfully resized
Size of logical volume mylvmtest/secondlvmvol changed from 2.92 TiB (765134 extents) to 2.63 TiB (688334 extents).
Logical volume backup successfully resized
# mount /dev/mylvmtest/secondlvmvol
~~~
@ -457,4 +447,4 @@ On peut éventuellement les restaurer via la commande `vgcfgrestore`.
~~~
# dmestup info -c
# dmestup info
~~~
~~~