修复img文件挂载错误
2016-05-26 15:03
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问题场景:
修复方法:
测试: #mount rootfs.img system
重新挂载正常
#mount rootfs.img system 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
修复方法:
#fsck.ext4 rootfs.img e2fsck 1.42.9 (4-Feb-2014) One or more block group descriptor checksums are invalid. Fix<y>? yes Group descriptor 0 checksum is 0x109b, should be 0x744b. FIXED. Group descriptor 1 checksum is 0xa1f8, should be 0xc528. FIXED. Group descriptor 2 checksum is 0x095b, should be 0x6d8b. FIXED. rootfs.fex.iso contains a file system with errors, check forced. Pass 1: Checking inodes, blocks, and sizes Pass 2: Checking directory structure Pass 3: Checking directory connectivity Pass 3A: Optimizing directories Pass 4: Checking reference counts Pass 5: Checking group summary information rootfs.img: ***** FILE SYSTEM WAS MODIFIED ***** rootfs.img: 825/1224 files (0.7% non-contiguous), 17828/21808 blocks
测试: #mount rootfs.img system
重新挂载正常
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