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电梯直达

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发表于 2005-01-28 23:15 |只看该作者 |倒序浏览

昨天一群白痴将M80非法断电后，今天小弟将dataVG varyon后发现VG中的LV全部不能mount，作fsck -y /dev/lv时报：\r\nlog redo processing for /dev/xxlv\r\ncounldn\'t read log superblock\r\nrogredo:I/O error\r\nFailure replaying log:0\r\nlogredo failed fsck contiuning\r\n然后作6步作完\r\n再mount LV报\r\nunable to read superblock (terminated)\r\ncan\'t mount /dev/lv /mount点：there is an inport or output error\r\n\r\n有高人说用 fsck -p参数，小弟哈没来的及试，不知行否。\r\n其中数据很重要，请各位大虾指点帮忙！！多谢，多谢，多多谢！

lxlab

丰衣足食

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2楼 [报告]

发表于 2005-01-29 09:14 |只看该作者

请问各位大侠关于superblock损坏恢复的问题

superblock 是可以修复的。

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lxlab

丰衣足食

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3楼 [报告]

发表于 2005-01-29 09:16 |只看该作者

请问各位大侠关于superblock损坏恢复的问题

Recovering from super block errors\r\nIf you receive one of the following errors from the fsck or mount commands,\r\nproblem may be a corrupted (or dirty) superblock.\r\nfsck: Not an AIX3 file system\r\nfsck: Not an AIXV3 file system\r\nfsck: Not an AIX4 file system\r\nfsck: Not an AIXV4 file system\r\nfsck: Not a recognized file system type\r\nmount: invalid argument\r\nThe problem can be resolved by restoring the backup of the superblock\r\nprimary superblock using one of the following commands:\r\ndd count=1 bs=4k skip=31 seek=1 if=/dev/lv00 of=/dev/lv00\r\nThe following command works only for AIX Version 4:\r\nfsck -p /dev/lv00\r\nOnce the restoration process is completed, check the integrity of the\r\nby issuing the fsck command.\r\nfsck /dev/lv00\r\nIn many cases, restoration of the backup of the superblock to the primary\r\nsuperblock will recover the file system. If this does not resolve the\r\nrecreate the file system and restore the data from a backup.