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- Newsgroups: comp.unix.ultrix
- Path: sparky!uunet!decwrl!deccrl!news.crl.dec.com!pa.dec.com!nntpd2.cxo.dec.com!nabeth!alan
- From: alan@nabeth.enet.dec.com (Alan Rollow - Alan's Home for Wayward Tumbleweeds.)
- Subject: Re: how to recover a lost partition table?
- Message-ID: <1992Aug22.013512.743@nntpd2.cxo.dec.com>
- Lines: 23
- Sender: alan@nabeth (Alan Rollow - Alan's Home for Wayward Tumbleweeds.)
- Reply-To: alan@nabeth.enet.dec.com (Alan Rollow - Alan's Home for Wayward Tumbleweeds.)
- Organization: Digital Equipment Corporation
- References: <3GFPBWG4@cc.swarthmore.edu>
- Date: Sat, 22 Aug 1992 01:35:12 GMT
-
-
- [ The customer hirai@cc.swarthmore.edu asks why his partition table
- is disappearing when he shuts down the system. ]
-
- Because something is overwriting it. On the odd chance you're
- using an unusual disk, that might be useful to know. You also
- didn't specify which disk and file system. Does it only happen
- to one or all? If only one, which one; the system disk or a random
- user disk? Here are some things to check.
-
- 1. Make sure that you're page/swap space doesn't overlap the
- beginning of the disk in question.
-
- 2. Carefully examine the applications that run to make sure
- none of are writting to a disk they shouldn't.
-
- 3. Make sure no file systems overlap with one another.
-
- The ULTRIX partition table lives at the end of the superblock
- at sector 16 of the disk. It is wise to have a file actually
- exist at this location; it helps protect the partition table.
- --
- Alan Rollow alan@nabeth.cxo.dec.com
-