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パーティショニングされたディスクイメージファイルのmount方法

CentOS6.x

Last updated at 2016-12-20Posted at 2014-07-31

fsiskで情報確認

usr@host # fdisk -lu vm3-boot
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x000babc7

   Device Boot      Start         End      Blocks   Id  System
vm3-boot1   *        2048      524287      261120   83  Linux
Partition 1 has different physical/logical beginnings (non-Linux?):
     phys=(0, 32, 33) logical=(6, 46, 1)
Partition 1 has different physical/logical endings:
     phys=(32, 162, 2) logical=(1608, 39, 2)

→start位置=2048 に512を乗じたもの(2048*512=1048576)offsetとして、以下のようにmount

usr@host # mount -o loop,ro,offset=$((2048*512)) /vol1/kvm/vm3/vm3-root /mnt

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