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- From: sherwood@space.ualberta.ca (System Administrator)
- Subject: Re: AAAAAAAAAAAAaaaaaaa HELP!! (recovering lost files!)
- Message-ID: <1993Jan6.180520.18239@kakwa.ucs.ualberta.ca>
- Sender: news@kakwa.ucs.ualberta.ca
- Nntp-Posting-Host: fenris.space.ualberta.ca
- Organization: University Of Alberta, Edmonton Canada
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- References: <Dec26.012710.39500@yuma.ACNS.ColoState.EDU>
- Date: Wed, 6 Jan 1993 18:05:20 GMT
- Lines: 35
-
- Nathaniel David Sammons (nate@deepthought.colostate.edu) wrote:
- :
- : Someone please help, I just (due to a severe screw-up) lost quite a few
- : files which are severely important to me (non-system files)
- :
- : is there any way to get them back???
- :
- : -nate sammons
- : ns111310@longs.lance.colostate.edu
-
- FAQ candidate.
-
- While possible in theory, this is very very difficult to do in practice.
- Because Unix is multitasking, as soon as a file is unlinked (removed) it's
- space is a candidate for the next operation that needs disk.
-
- Also, Unix doesn't just change a single character to show that a file is
- not there, (as DOS does).
-
- In theory if you shutdown the machine fast, reboot off another disk, mount
- the disk where the files were as read only, you can then go groveling through
- the disk sector by sector. This requires a thorough understanding of the the
- file system. (Think in terms of doing fsck by hand, and you get the idea...)
-
- Unless the file is truly unique. (e.g. Only copy of the USSR phobos probe data
- stream) its probably faster to recreate the files than it is to recover them.
-
- This, by the way, is why you make backups (You didn't need to hear that right
- now, I'm sure...) A good backup strategy makes almost all disasters into
- nuisances.
-
- --
- => Sherwood Botsford sherwood@space.ualberta.ca <=
- => University of Alberta Lab Manager, Space Physics Group <=
- => tel:403 492-3713 fax: 403 492-4256 <=
-