informatique:logiciels:proxmox
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informatique:logiciels:proxmox [2024/08/25 07:16] – created pteu | informatique:logiciels:proxmox [2025/02/28 06:27] (current) – Partager un stockage local entre les LXC pteu | ||
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+ | =====Redimensionner la taille du stockage local-lvm===== | ||
+ | |||
+ | Mon but est de redimensionner le stockage **local-lvm**, | ||
+ | |||
+ | Par défaut Proxmox partitionne le disque ainsi: | ||
+ | <code bash> | ||
+ | lsblk | ||
+ | NAME | ||
+ | nvme0n1 | ||
+ | ├─nvme0n1p1 | ||
+ | ├─nvme0n1p2 | ||
+ | └─nvme0n1p3 | ||
+ | ├─pve-swap | ||
+ | ├─pve-root | ||
+ | ├─pve-data_tmeta 252:2 0 15.9G 0 lvm | ||
+ | │ └─pve-data | ||
+ | └─pve-data_tdata 252:3 0 1.7T 0 lvm | ||
+ | └─pve-data | ||
+ | </ | ||
+ | Proxmox utilise LVM pour organiser les espaces de stockage de la 3e partition nvme0n1p3 : il créé un PV (physical volume), puis un VG (volume group) qui est par défaut divisé en LV (logical volume) pour la partition de swap (LV " | ||
+ | |||
+ | N' | ||
+ | <code bash> | ||
+ | lvresize -L -1500G / | ||
+ | Thin pool volumes pve/ | ||
+ | </ | ||
+ | |||
+ | ... je l'ai supprimé (il faut au préalable le supprimer dans la webUI : Datacenter> | ||
+ | <code bash> | ||
+ | lvremove / | ||
+ | Do you really want to remove active logical volume pve/data? [y/n]: y | ||
+ | Logical volume " | ||
+ | </ | ||
+ | |||
+ | J'en ai profité pour augmenter un peu le " | ||
+ | <code bash> | ||
+ | lvresize -L +100G / | ||
+ | Size of logical volume pve/root changed from 96.00 GiB (24576 extents) to 196.00 GiB (50176 extents). | ||
+ | Logical volume pve/root successfully resized. | ||
+ | |||
+ | resize2fs / | ||
+ | resize2fs 1.47.0 (5-Feb-2023) | ||
+ | Filesystem at / | ||
+ | old_desc_blocks = 12, new_desc_blocks = 25 | ||
+ | The filesystem on / | ||
+ | </ | ||
+ | |||
+ | J'ai programmé un check au prochain reboot, la partition étant montée il n'est pas possible de le faire à chaud: | ||
+ | <code bash> | ||
+ | e2fsck -f / | ||
+ | e2fsck 1.47.0 (5-Feb-2023) | ||
+ | / | ||
+ | e2fsck: Cannot continue, aborting. | ||
+ | |||
+ | touch /forcefsck | ||
+ | </ | ||
+ | |||
+ | Je recréé le volume " | ||
+ | <code bash> | ||
+ | lvcreate -L200G -n data pve | ||
+ | |||
+ | lvconvert --type thin-pool pve/data | ||
+ | Thin pool volume with chunk size 128.00 KiB can address at most 31.75 TiB of data. | ||
+ | WARNING: Converting pve/data to thin pool's data volume with metadata wiping. | ||
+ | THIS WILL DESTROY CONTENT OF LOGICAL VOLUME (filesystem etc.) | ||
+ | Do you really want to convert pve/data? [y/n]: y | ||
+ | Converted pve/data to thin pool. | ||
+ | </ | ||
+ | |||
+ | NB : il faut le faire avant d' | ||
+ | <code bash> | ||
+ | lvconvert --type thin-pool / | ||
+ | Thin pool volume with chunk size 128.00 KiB can address at most 31.75 TiB of data. | ||
+ | WARNING: Converting pve/data to thin pool's data volume with metadata wiping. | ||
+ | THIS WILL DESTROY CONTENT OF LOGICAL VOLUME (filesystem etc.) | ||
+ | Do you really want to convert pve/data? [y/n]: y | ||
+ | Volume group " | ||
+ | </ | ||
+ | |||
+ | Et j' | ||
+ | <code bash> | ||
+ | lvcreate -l100%VG -n data2rv pve | ||
+ | Reducing 100%VG to remaining free space <1.47 TiB in VG. | ||
+ | Logical volume " | ||
+ | |||
+ | mkfs.ext4 -m 0 / | ||
+ | mke2fs 1.47.0 (5-Feb-2023) | ||
+ | Discarding device blocks: done | ||
+ | Creating filesystem with 393879552 4k blocks and 98476032 inodes | ||
+ | Filesystem UUID: ee159ef2-f2d0-400b-af01-a8f6bf3593a3 | ||
+ | Superblock backups stored on blocks: | ||
+ | 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, | ||
+ | 4096000, 7962624, 11239424, 20480000, 23887872, 71663616, 78675968, | ||
+ | 102400000, 214990848 | ||
+ | |||
+ | Allocating group tables: done | ||
+ | Writing inode tables: done | ||
+ | Creating journal (262144 blocks): done | ||
+ | Writing superblocks and filesystem accounting information: | ||
+ | |||
+ | echo "/ | ||
+ | |||
+ | mkdir -p /mnt/datarv | ||
+ | |||
+ | mount /mnt/datarv | ||
+ | </ | ||
+ | |||
+ | Ce qui nous donne : | ||
+ | <code bash> | ||
+ | df -Th /mnt/datarv | ||
+ | Filesystem | ||
+ | / | ||
+ | |||
+ | lvscan | ||
+ | ACTIVE | ||
+ | ACTIVE | ||
+ | ACTIVE | ||
+ | ACTIVE | ||
+ | |||
+ | lsblk | ||
+ | NAME | ||
+ | nvme0n1 | ||
+ | ├─nvme0n1p1 | ||
+ | ├─nvme0n1p2 | ||
+ | └─nvme0n1p3 | ||
+ | ├─pve-swap | ||
+ | ├─pve-root | ||
+ | ├─pve-data_tmeta 252:2 0 100M 0 lvm | ||
+ | │ └─pve-data | ||
+ | ├─pve-data_tdata 252:3 0 200G 0 lvm | ||
+ | │ └─pve-data | ||
+ | └─pve-datarv | ||
+ | </ | ||
+ | |||
+ | |||
+ | =====Partager un stockage local entre les LXC===== | ||
+ | |||
+ | (Inspiré de [[https:// | ||
+ | Pour partager [[informatique: | ||
+ | |||
+ | Dans la conf de chaque LXC : | ||
+ | <code bash> | ||
+ | echo "mp0: / | ||
+ | |||
+ | # uid map: from uid 0 map 1005 uids (in the ct) to the range starting 100000 (on the host), | ||
+ | # so 0..1004 (ct) → 100000..101004 (host) | ||
+ | lxc.idmap = u 0 100000 1005 | ||
+ | lxc.idmap = g 0 100000 1005 | ||
+ | # we map 1 uid starting from uid 1005 onto 1005, so 1005 → 1005 | ||
+ | lxc.idmap = u 1005 1005 1 | ||
+ | lxc.idmap = g 1005 1005 1 | ||
+ | # we map the rest of 65535 from 1006 upto 101006, so 1006..65535 → 101006..165535 | ||
+ | lxc.idmap = u 1006 101006 64530 | ||
+ | lxc.idmap = g 1006 101006 64530" >>/ | ||
+ | </ | ||
+ | |||
+ | Sur le système hôte: | ||
+ | <code bash> | ||
+ | echo " | ||
+ | echo " | ||
+ | chown -R 1005:1005 /mnt/datarv | ||
+ | </ | ||
+ | |||
+ | Puis redémarrer le conteneur: | ||
+ | <code bash> | ||
+ | lxc-stop 100 && lxc-start 100 | ||
+ | </ |
informatique/logiciels/proxmox.1724570162.txt.gz · Last modified: 2024/08/25 07:16 by pteu