Date: Thu, 05 Jul 2001 23:51:19 -0600 From: Chris Fedde <chris@fedde.littleton.co.us> To: "Juha Saarinen" <juha@saarinen.org> Cc: freebsd-stable@FreeBSD.ORG Subject: Re: Disk recovery pointers, please Message-ID: <200107060551.f665pJj17669@fedde.littleton.co.us> In-Reply-To: <036c01c105ce$7d0f96a0$0a01a8c0@den2>
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On Fri, 6 Jul 2001 15:48:16 +1200 "Juha Saarinen" wrote:
+------------------
| Trying to sort out a server that upon rebooting comes up with:
|
| /dev/da1s1d: CANNOT READ: BLK 16
| /dev/da1s1d: UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY
| ...
| THE FOLLOWING FILE SYSTEMS HAD AN UNEXPECTED INCONSISTENCY:
|
| /dev/da1s1d (/data)
|
| Automatic file system check failed . . . help!
|
| So, I run fsck manually, and get:
|
| CANNOT READ BLK 16
| CONTINUE [yn]
|
| If I answer 'y' to that, I get:
|
| THE FOLLOWING DISK SECTORS COULD NOT BE READ:
|
| 16, 17, 18 (all the way to 31).
|
| /dev/da1s1d: NOT LABELED AS A BSD FILE SYSTEM (unused).
|
| Couldn't find anything useful in the archives or on the Web apart from
| "reformat"... :-(
|
+------------------
You can try to get fsck to succeed by using an alternate super
block. Get a list of superblocks on the drive using newfs -N
/dev/da1s1d. then feed one of these into fsck -yb /dev/da1s1d If
this succeeds count your self lucky. If it fails it is time to
reformat the drive and start recovering your backups. You do have
a backup don't you?
Good Luck
--
Chris Fedde
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