我使用“ dd”将硬盘驱动器的映像创建为另一个驱动器上的文件。问题：如何挂载该映像以查看其是否有效？笔记：
文件maindisk.image.out
maindisk.image.out: x86 boot sector, LInux i386 boot LOader; GRand Unified Bootloader,
stage1 version 0x3, boot drive 0x80, 1st sector stage2 0x44841, GRUB version 0.94;
partition 1: ID=0x83, active, starthead 1, startsector 63, 409600 sectors; partition 2:
ID=0x8e, starthead 127, startsector 409663, 312167042 sectors, code offset 0x48
# mount -o loop -t ext3 maindisk.image.out /mnt/loop/
mount: wrong fs type, bad option, bad superblock on /dev/loop0,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail or so
# dmesg | tail -1
# VFS: Can't find ext3 filesystem on dev loop0.
# cat /dev/sda | file -
/dev/stdin: x86 boot sector, LInux i386 boot LOader; GRand Unified Bootloader, \
stage1 version 0x3, boot drive 0x80, 1st sector stage2 0x44841, GRUB version 0.\
94; partition 1: ID=0x83, active, starthead 1, startsector 63, 409600 sectors; \
partition 2: ID=0x8e, starthead 127, startsector 409663, 312167042 sectors, cod\
e offset 0x48
/dev/mapper/VolGroup-lv_root on / type ext4 (rw)
/dev/sda1 on /boot type ext3 (rw)
基于在Linux中挂载用dd或dd_rescue制作的原始分区文件。
startsector 63在file的输出中看到了吗？这意味着从磁盘开始偏移了63个扇区* 512字节/扇区= 32256字节。
尝试：
mount -o loop,offset=32256 -t ext3 maindisk.image.out /mnt/loop/
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我来说两句