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From: "Jan Catrysse" <j.catrysse@proximedia.be>
To: <freebsd-questions@freebsd.org>
Date: Fri, 10 Apr 2009 16:38:10 +0200
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Subject: Kernel panic on disk timeout with 3ware controller
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Hello,

 

I am using FreeBSD 7.1 RELEASE on a system with a 3Ware RAID controller, the
system resides on a RAID volume.

I get kernel panics complaining about page faults, swap space and a drive
timeout.

 

This is, I think, due to a faulty disk. The 3ware controller detects a
timeout, relaunches the disk and retries with success. This is, I suppose,
invisible for FreeBSD.

 

I am not experiencing problems with normal disk reads and writes, but when
it happens on the swap space FreeBSD does mind, gives a timeout and panics.
Can this behavior be changed?

 

I am never on site and I would prefer a simple error message and not a
kernel panic, I can change the disk with a hotspare remotely. Impossible
when the server is down.

 

Big thanks,

Jan