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06_virtualization:03_xen:01_xen_mount_lvm [2014/07/04 04:02] – 06_仮想化:03_xen:01_lvmをマウント renamed to 06_virtualization:03_xen:01_xen_mount_lvm matsui | 06_virtualization:03_xen:01_xen_mount_lvm [2016/05/17 07:02] (現在) – matsui | ||
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行 1: | 行 1: | ||
+ | ====== 01 lvmをマウント ====== | ||
+ | ===== ①スナップショット作成 ===== | ||
+ | <code console> | ||
+ | # lvcreate -s -n snapshot -L 5G / | ||
+ | |||
+ | # lvdisplay / | ||
+ | --- Logical volume --- | ||
+ | LV Name / | ||
+ | VG Name dg7tv18txypm17 | ||
+ | LV UUID XmLioY-vRC4-3IJo-eT4u-S6ib-z7Je-cxAAjq | ||
+ | LV Write Access | ||
+ | LV snapshot status | ||
+ | / | ||
+ | LV Status | ||
+ | # open 1 | ||
+ | LV Size 5.00 GB | ||
+ | Current LE 1280 | ||
+ | Segments | ||
+ | Allocation | ||
+ | Read ahead sectors | ||
+ | - currently set to 256 | ||
+ | Block device | ||
+ | </ | ||
+ | |||
+ | ===== ②マウント ===== | ||
+ | |||
+ | ==== 普通にマウントしようとすると、エラーがでます。 ==== | ||
+ | |||
+ | <code console> | ||
+ | # mount / | ||
+ | mount: you must specify the filesystem type | ||
+ | </ | ||
+ | |||
+ | ==== ①mapperを作成 ==== | ||
+ | <code console> | ||
+ | # kpartx -p X -a / | ||
+ | </ | ||
+ | |||
+ | ==== ②改めてマウント ==== | ||
+ | <code console> | ||
+ | # mount / | ||
+ | </ | ||
+ | |||
+ | ==== ③これで中身が見れる ==== | ||
+ | <code console> | ||
+ | # ll /mnt/ | ||
+ | total 104 | ||
+ | dr-xr-xr-x | ||
+ | dr-xr-xr-x | ||
+ | drwxr-xr-x | ||
+ | drwxr-xr-x | ||
+ | drwxr-xr-x 74 root root 4096 Mar 22 14:11 etc | ||
+ | drwxr-xr-x | ||
+ | dr-xr-xr-x 10 root root 4096 Jul 4 2012 lib | ||
+ | dr-xr-xr-x | ||
+ | drwx------ | ||
+ | drwxr-xr-x | ||
+ | drwxr-xr-x | ||
+ | drwxr-xr-x | ||
+ | drwxr-xr-x | ||
+ | dr-xr-x--- | ||
+ | dr-xr-xr-x | ||
+ | drwxr-xr-x | ||
+ | drwxr-xr-x | ||
+ | drwxr-xr-x | ||
+ | drwxrwxrwt | ||
+ | drwxr-xr-x 13 root root 4096 Dec 12 2011 usr | ||
+ | drwxr-xr-x 22 root root 4096 Jul 4 2012 var | ||
+ | </ | ||
+ | |||
+ | ===== ③アンマウント ===== | ||
+ | <code console> | ||
+ | # umount /mnt/ | ||
+ | # kpartx -p X -d / | ||
+ | # lvremove / | ||
+ | </ | ||
+ | |||
+ | {{tag> |