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| 両方とも前のリビジョン 前のリビジョン 次のリビジョン | 前のリビジョン | ||
| linux:lvm [2012/03/05 02:04] – [LV(論理ボリューム) の拡張] ともやん | linux:lvm [2019/05/18 02:23] (現在) – 外部編集 非ログインユーザー | ||
|---|---|---|---|
| 行 190: | 行 190: | ||
| ===== LV(論理ボリューム) の縮小 ===== | ===== LV(論理ボリューム) の縮小 ===== | ||
| < | < | ||
| - | # lvreduce | + | # umount /home |
| - | WARNING: Reducing active | + | # fsck -f / |
| + | fsck from util-linux-ng 2.17.2 | ||
| + | e2fsck 1.41.12 (17-May-2010) | ||
| + | Pass 1: Checking inodes, blocks, and sizes | ||
| + | Pass 2: Checking directory structure | ||
| + | Pass 3: Checking directory connectivity | ||
| + | Pass 4: Checking reference counts | ||
| + | Pass 5: Checking group summary information | ||
| + | /dev/mapper/vg_monster-lv_home: 704340/241876992 files (0.3% non-contiguous), | ||
| + | # resize2fs / | ||
| + | resize2fs 1.41.12 (17-May-2010) | ||
| + | Resizing the filesystem on / | ||
| + | The filesystem on / | ||
| + | # lvreduce -L3710018M / | ||
| + | Rounding up size to full physical extent 3.54 TiB | ||
| + | WARNING: Reducing active logical volume to 3.54 TiB | ||
| THIS MAY DESTROY YOUR DATA (filesystem etc.) | THIS MAY DESTROY YOUR DATA (filesystem etc.) | ||
| - | Do you really want to reduce | + | Do you really want to reduce |
| - | Reducing logical volume | + | Reducing logical volume |
| - | Logical volume | + | Logical volume |
| + | </ | ||
| + | |||
| + | ===== 他で使用していたディスクのLVMを認識させる ===== | ||
| + | < | ||
| + | $ sudo lvscan | ||
| + | inactive | ||
| + | inactive | ||
| + | ACTIVE | ||
| + | ACTIVE | ||
| + | ACTIVE | ||
| + | </ | ||
| + | |||
| + | < | ||
| + | $ sudo vgchange -ay vg_hoge | ||
| + | 2 logical volume(s) in volume group " | ||
| + | </ | ||
| + | |||
| + | < | ||
| + | $ sudo vgchange -an vg_hoge | ||
| + | 0 logical volume(s) in volume group " | ||
| + | </ | ||
| + | |||
| + | < | ||
| + | $ sudo lvscan | ||
| + | inactive | ||
| + | inactive | ||
| + | ACTIVE | ||
| + | ACTIVE | ||
| + | ACTIVE | ||
| </ | </ | ||