From owner-freebsd-hackers@FreeBSD.ORG  Thu Jun 14 03:34:20 2007
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Date: Wed, 13 Jun 2007 23:14:03 -0400
From: Matthew Hagerty <matthew@digitalstratum.com>
Organization: Digital Stratum
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Subject: Disk block or sector to file mapping?
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Greetings,

I have a drive that failed and fsck and dump both report the failed 
sector or block (the term seems to be used interchangeably at times), 
but how can I find out what file(s) were using that block?  I have a 
file-based backup and I could possibly replace the bad files if I know 
which ones were affected by the bad blocks.

Thanks,
Matthew