論理ボリュームをマウントする方法は?

論理ボリュームをマウントする方法は?

/dev/sda2をマウントしたいです。どうすればいいですか?

私はこれを試しましたが、結果を確信できません。dfそれでも空き領域は表示されません。

mount -v -o ro /dev/sda2 /data
mount: unknown filesystem type 'LVM2_member'

fdisk以下はdf、、、、、、の出力です。lvmdiskscanlvdisplayvgdisplaylvscanpvdisplay

[root@IctThtSoluti-06 ~]# fdisk -l

Disk /dev/sda: 1030.8 GB, 1030792151040 bytes
255 heads, 63 sectors/track, 125320 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00034e05

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *           1          64      512000   83  Linux
Partition 1 does not end on cylinder boundary.
/dev/sda2              64        1306     9972736   8e  Linux LVM

Disk /dev/mapper/vg_centos6264bit-lv_root: 8095 MB, 8095006720 bytes
255 heads, 63 sectors/track, 984 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000


Disk /dev/mapper/vg_centos6264bit-lv_swap: 2113 MB, 2113929216 bytes
255 heads, 63 sectors/track, 257 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

[root@IctThtSoluti-06 ~]# df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/mapper/vg_centos6264bit-lv_root
                      7.3G  988M  6.0G  14% /
tmpfs                 3.9G     0  3.9G   0% /dev/shm
/dev/sda1             477M   64M  389M  15% /boot



[root@IctThtSoluti-06 ~]# lvmdiskscan
  /dev/ram0                     [      16.00 MiB]
  /dev/root                     [       7.54 GiB]
  /dev/ram1                     [      16.00 MiB]
  /dev/sda1                     [     500.00 MiB]
  /dev/vg_centos6264bit/lv_swap [       1.97 GiB]
  /dev/ram2                     [      16.00 MiB]
  /dev/sda2                     [       9.51 GiB] LVM physical volume
  /dev/ram3                     [      16.00 MiB]
  /dev/ram4                     [      16.00 MiB]
  /dev/ram5                     [      16.00 MiB]
  /dev/ram6                     [      16.00 MiB]
  /dev/ram7                     [      16.00 MiB]
  /dev/ram8                     [      16.00 MiB]
  /dev/ram9                     [      16.00 MiB]
  /dev/ram10                    [      16.00 MiB]
  /dev/ram11                    [      16.00 MiB]
  /dev/ram12                    [      16.00 MiB]
  /dev/ram13                    [      16.00 MiB]
  /dev/ram14                    [      16.00 MiB]
  /dev/ram15                    [      16.00 MiB]
  2 disks
  17 partitions
  0 LVM physical volume whole disks
  1 LVM physical volume


[root@IctThtSoluti-06 ~]# lvdisplay
  --- Logical volume ---
  LV Path                /dev/vg_centos6264bit/lv_root
  LV Name                lv_root
  VG Name                vg_centos6264bit
  LV UUID                GuVsuq-Q0II-gcjX-6Pdp-7azY-FPub-25YWYR
  LV Write Access        read/write
  LV Creation host, time ,
  LV Status              available
  # open                 1
  LV Size                7.54 GiB
  Current LE             1930
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:0

  --- Logical volume ---
  LV Path                /dev/vg_centos6264bit/lv_swap
  LV Name                lv_swap
  VG Name                vg_centos6264bit
  LV UUID                Ukf2if-IlyB-95nM-8Gdq-XXI8-PcKT-fddsqR
  LV Write Access        read/write
  LV Creation host, time ,
  LV Status              available
  # open                 1
  LV Size                1.97 GiB
  Current LE             504
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:1



[root@IctThtSoluti-06 ~]# vgdisplay
  --- Volume group ---
  VG Name               vg_centos6264bit
  System ID
  Format                lvm2
  Metadata Areas        1
  Metadata Sequence No  3
  VG Access             read/write
  VG Status             resizable
  MAX LV                0
  Cur LV                2
  Open LV               2
  Max PV                0
  Cur PV                1
  Act PV                1
  VG Size               9.51 GiB
  PE Size               4.00 MiB
  Total PE              2434
  Alloc PE / Size       2434 / 9.51 GiB
  Free  PE / Size       0 / 0
  VG UUID               gG9yNW-Jq57-pFkY-oydY-5R4h-oHS0-W7QoWO


[root@IctThtSoluti-06 ~]# lvscan
  ACTIVE            '/dev/vg_centos6264bit/lv_root' [7.54 GiB] inherit
  ACTIVE            '/dev/vg_centos6264bit/lv_swap' [1.97 GiB] inherit

[root@IctThtSoluti-06 ~]# pvdisplay
  --- Physical volume ---
  PV Name               /dev/sda2
  VG Name               vg_centos6264bit
  PV Size               9.51 GiB / not usable 3.00 MiB
  Allocatable           yes (but full)
  PE Size               4.00 MiB
  Total PE              2434
  Free PE               0
  Allocated PE          2434
  PV UUID               8sR1Mg-e4Pa-2FRI-hl1l-N4ns-mKjI-aszG8Y

[root@IctThtSoluti-06 ~]# vgdisplay vg_centos6264bit
  --- Volume group ---
  VG Name               vg_centos6264bit
  System ID
  Format                lvm2
  Metadata Areas        1
  Metadata Sequence No  3
  VG Access             read/write
  VG Status             resizable
  MAX LV                0
  Cur LV                2
  Open LV               2
  Max PV                0
  Cur PV                1
  Act PV                1
  VG Size               9.51 GiB
  PE Size               4.00 MiB
  Total PE              2434
  Alloc PE / Size       2434 / 9.51 GiB
  Free  PE / Size       0 / 0
  VG UUID               gG9yNW-Jq57-pFkY-oydY-5R4h-oHS0-W7QoWO

[root@IctThtSoluti-06 ~]# cat /etc/fstab

#
# /etc/fstab
# Created by anaconda on Tue Feb  4 21:48:23 2014
#
# Accessible filesystems, by reference, are maintained under '/dev/disk'
# See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info
#
/dev/mapper/vg_centos6264bit-lv_root /                       ext4    defaults        1 1
UUID=795a0581-67ec-4fa0-ab81-79bb7cc111ab /boot                   ext4    defaults        1 2
/dev/mapper/vg_centos6264bit-lv_swap swap                    swap    defaults        0 0
tmpfs                   /dev/shm                tmpfs   defaults        0 0
devpts                  /dev/pts                devpts  gid=5,mode=620  0 0
sysfs                   /sys                    sysfs   defaults        0 0
proc                    /proc                   proc    defaults        0 0

ベストアンサー1

lvmドライブを直接マウントすることはできません。

/dev/sda2ルートパーティションとスワップパーティションを含むパーティション。

lvdisplay論理ボリュームが配置されているLVパスを表示します。ボリュームをマウントするために使用する必要があるパス。

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