adminsys:partition
Table des matières
Ceci est une ancienne révision du document !
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 :** <code> 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
[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.
adminsys/partition.1682182932.txt.gz · Dernière modification : 2023/04/22 17:02 de tonio