RE: 3ware rebuild problems fixed

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To: "'Matt Staroscik'" <matt@wrongcrowd.com>, <freebsd-questions@freebsd.org>
Date: Fri, 29 Apr 2005 14:15:37 -0500

Just wanted to second this approach. Wish I would have seen your original
post, went through this exact same thing on a 7506-4LP. Rebuild went when
fsck was followed by filling up the disk.

-Bob

-----Original Message-----
From: owner-freebsd-questions@freebsd.org
[mailto:owner-freebsd-questions@freebsd.org] On Behalf Of Matt Staroscik
Sent: Friday, April 29, 2005 12:45 PM
To: freebsd-questions@freebsd.org
Subject: 3ware rebuild problems fixed

I solved my own problem a while back and neglected to post my solution.
I hate it when people do that to me. :)

My original post is here:

http://lists.freebsd.org/pipermail/freebsd-questions/2004-November/064038.ht
ml

The summary is simply this: when rebuilding a mirror on a 3ware 7000-2,
the rebuild would crap out with a vague disk error message. Doing a dump
on the volume uncovered a couple of read errors.

Solution:

The read errors were killing the rebuild process. The hard disk's
built-in SMART error correction was not kicking in though, because it
only corrects bad sectors on a write. I tried to fix the disk with fsck,
but the damage was too low-level, I guess...

Anyway, I deleted the files with read errors--luckily they were
trivial--and then copied a load of files to the partition to fill up the
empty space. This triggered a SMART sector repair--I verified that with
a SMART checker from ports.

Once the bad sectors were remapped, I was able to rebuild my array.

Hope this helps someone!

-- 
***** I am Matt Staroscik and I approved this message. ******
matt@wrongcrowd.com * http://wrongcrowd.com * 4 8 15 16 23 42
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