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Date: Tue, 28 Nov 2006 11:12:28 +0100
From: Palle Girgensohn <girgen@FreeBSD.org>
To: hardware@freebsd.org
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Cc: 
Subject: no file system after replacing bad RAID drive
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Hi!

We just got Dell to replace a bad drive in a RAID5 cluster. After reboot, 
megarc says their all online, but FreeBSD cannot find a file system on the 
logical drive. It worked before replacing (in degraded mode).

It is a Dell 2850 with a Perc4/I (really a LSILogic MegaRAID) controller 
running FreeBSD 6.0

Any ideas how to get the file system back? bsdlabel finds no label, and 
since the OS does not find the label during startup, there are no devices. 
I tried some megarc and camcontrol commands, but nothing seems to help.

Any ideas appreciated. Thanks,
Palle