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25 lines
1.3 KiB
Plaintext
25 lines
1.3 KiB
Plaintext
This is the UFS2 version of ffsrecov, heavily (and I do mean _heavily_) based
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on John-Mark Gurney's program of the same name. It does basically the same
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thing, only it's a little more resistant to crashes caused by bad pointers,
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offsets and the like, and it does a little more than his did. Don't contact
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him for problems with this program, it's definitely _my_ fault if it breaks.
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This program is not ready for prime time. It has some shortfalls, it has a
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bunch of new options that are mostly undocumented and the manpage could
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stand to be rewritten. One _good_ thing is that it now uses the libufs
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library and is therefore not as dependent on carrying around low-level code.
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On the other hand, it worked for me. Using this tool, I was able to recover
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almost all of a several-hundred-gigabyte file system that had been stomped
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by a misconfigured RAID controller. (That's why I wrote the thing in the
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first place, in fact.) With the right knowledge and a lot of patience,
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it is possible to recover most or all of a trashed file system, at least if
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it's not _too_ trashed.
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I'm releasing it under the Berkeley two-clause license in the hope that
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someone with more time will pick it up, polish it and make something
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a little more useful out of it.
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Frank Mayhar
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frank@exit.com
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