===== Lister les disques disponibles =====
root@1664:~# fdisk -l
Disk /dev/sda: 10 GiB, 17179869184 bytes, 33554432 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: ext2
Disk identifier: 0x417f3a84
Device Boot Start End Sectors Size Id Type
/dev/sda1 * 2048 999423 997376 487M 83 Linux
/dev/sda2 1001470 33552383 391920914 20G 5 Extended
/dev/sda5 1001472 45682383 981550912 40G 8e Linux LVM
Disk /dev/sdc: 40 GiB, 214179869184 bytes, 39854554432 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
===== Créer la partition et mettre la partition en type LVM: 8e =====
fdisk /path/volume
fdisk /dev/sdc
n : new / p : primary / 1: partition / t : 8e / w : write / q : sortir
===== Création de la partition en "Physical Volumes" (PV) =====
La partition doit maintenant être transformée, ou enregistrée comme pouvant faire parti d’un groupe de volumes.
PVCREATE /physique
pvcreate /path/volume
pvcreate /dev/sdc1
Physical volume "/path/volume" successfully created
**Afficher les informations sur les volumes physiques en LVM:**
pvdisplay
"/path/volume" is a new physical volume of "XXX.XX GiB"
--- NEW Physical volume ---
PV Name /path/volume
VG Name
PV Size XXX.XX GiB
Allocatable NO
PE Size 0
Total PE 0
Free PE 0
Allocated PE 0
PV UUID BMFw-HNfA-Kdldji-jCH5JO-KILV-tYQq-aOFX
==== Création des volumes groupes (VG) à partir des PV ====
VGCREATE NOMVOLUMEGROUPE /physique
vgcreate Nom-Volume-Groupe /path/volume
vgcreate VolGRDATA00 /dev/sdc1
**Afficher les informations sur les groupes de volumes physiques :**
vgdisplay
===== Création des volumes logiques (LV) à partir des VG =====
LVCREATE NOMVOLUMELOGIQUE VOLUMEGROUPE
lvcreate -n Nom-Du-Volume-Logique -L 39g Nom-Volume-Groupe
lvcreate -n data -L 39g VolGRDATA00
**Afficher les informations sur les volumes logiques :**
lvdisplay
**Agrandir le volume logique:**
lvextend -l100%VG Nom-Volume-Groupe/Nom-Du-Volume-Logique
lvextend -l100%VG VolGRDATA00/data
===== Formatage du volume logique =====
mkfs.ext4 /dev/mapper/Nom-Du-Volume-Groupe-Nom-Du-Volume-Logique
mkfs.ext4 /dev/mapper/VolGRDATA00-data
===== Ajouter du volume dans /etc/fstab =====
echo "UUID= /data1 ext4 defaults 0 0 ">> /etc/fstab
tune2fs -l /dev/mapper/VolGRDATA00-data | grep UUID>> /etc/fstab
**Faire les modifications dans /etc/fstab**
vi /etc/fstab
** Vérifier bien la nouvelle ligne**
cat /etc/fstab | grep UUID
UUID=XXXX-XXXX-XXXX-XXXX-XXXX /data1 ext4 defaults 0 0
===== Monter le disque =====
mkdir -p /data1
mount -a
===== Étendre votre disque =====
**Volumétrie initiale**
toot@extra:~# df
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/EXTRA--VG-DATA 459G 374G 85G 81% /nextcloud
[sam. avril 22 18:50:51] root@extra:~# fdisk -l
Disk /dev/xvdb: 500 GiB, 536870912000 bytes, 1048576000 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x047bacf3
Device Boot Start End Sectors Size Id Type
/dev/xvdb1 2048 1035156250 1035154203 493,6G 8e Linux LVM
Disk /dev/mapper/EXTRA--VG-DATA: 493,6 GiB, 529996447744 bytes, 1035149312 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/mapper/ubuntu--vg-ubuntu--lv: 18 GiB, 19327352832 bytes, 37748736 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
**Volumétrie changée**
[sam. avril 22 18:56:31] root@extra:~# fdisk -l
Disk /dev/xvdb: 600 GiB, 644245094400 bytes, 1258291200 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x047bacf3
Device Boot Start End Sectors Size Id Type
/dev/xvdb1 2048 1035156250 1035154203 493,6G 8e Linux LVM
Disk /dev/mapper/EXTRA--VG-DATA: 493,6 GiB, 529996447744 bytes, 1035149312 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/mapper/ubuntu--vg-ubuntu--lv: 18 GiB, 19327352832 bytes, 37748736 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
**Extension de la partition**
[sam. avril 22 19:00:57] root@extra:~# parted /dev/xvdb
GNU Parted 3.4
Using /dev/xvdb
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) print
Model: Xen Virtual Block Device (xvd)
Disk /dev/xvdb: 644GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags:
Number Start End Size Type File system Flags
1 1049kB 530GB 530GB primary lvm
(parted) resizepart 1
End? [530GB]? 643GB
(parted) quit
Information: You may need to update /etc/fstab.
**Extension du volume physique: PV "Physical Volume" **
[sam. avril 22 19:02:00] root@extra:~# pvresize /dev/xvdb1
Physical volume "/dev/xvdb1" changed
1 physical volume(s) resized or updated / 0 physical volume(s) not resized
[sam. avril 22 19:04:24] root@extra:~# pvs
PV VG Fmt Attr PSize PFree
/dev/xvda3 ubuntu-vg lvm2 a-- <19,00g 1020,00m
/dev/xvdb1 EXTRA-VG lvm2 a-- <598,84g <105,24g
**Extension du volume logique: LV "Logical Volume" **
root@extra:~# lvs
LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert
DATA EXTRA-VG -wi-ao---- <493,60g
root@extra:~# lvextend -l +100%FREE /dev/mapper/EXTRA--VG-DATA
Size of logical volume EXTRA-VG/DATA changed from <493,60 GiB (126361 extents) to <598,84 GiB (153302 extents).
Logical volume EXTRA-VG/DATA successfully resized.
root@extra:~# lvs
LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert
DATA EXTRA-VG -wi-ao---- <598,84g
root@extra:~# lvscan
ACTIVE '/dev/EXTRA-VG/DATA' [<598,84 GiB] inherit
**Extension du filesystem de la partition: LV "Logical Volume" **
[sam. avril 22 19:10:05] root@extra:~# resize2fs /dev/EXTRA-VG/DATA
resize2fs 1.46.5 (30-Dec-2021)
Filesystem at /dev/EXTRA-VG/DATA is mounted on /nextcloud; on-line resizing required
old_desc_blocks = 62, new_desc_blocks = 75
The filesystem on /dev/EXTRA-VG/DATA is now 156981248 (4k) blocks long.
toot@extra:~# df
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/EXTRA--VG-DATA 589G 374G 187G 67% /nextcloud
http://www.davidrusseltrask.com/blog/2020/4/14/extending-a-linux-lvm-partition-after-expanding-a-virtual-hard-drive-using-parted