Re: gmirror(8) and graid3(8) changes.

From: Pawel Jakub Dawidek <pjd_at_FreeBSD.org>
Date: Tue, 7 Mar 2006 23:01:24 -0000
On Tue, Mar 07, 2006 at 03:15:19PM +0100, Phil Regnauld wrote:
+> On Mon, Mar 06, 2006 at 11:28:44PM +0100, Pawel Jakub Dawidek wrote:
+> > Hi.
+> > 
+> > Here you can find patches with changes to gmirror(8) and graid3(8):
+> > 
+> > 	http://people.freebsd.org/~pjd/patches/gmirror.7.patch
+> > 	http://people.freebsd.org/~pjd/patches/graid3.patch
+> 
+> 	Hi Pawel,
+> 
+> 	I've been experiencing lockups with gmirror, ATA/SATA on both
+> 	i386 and amd64, under severe I/O (very heavily loaded Postgres DB). 
+> 	This has been on several different machines (remotely located, with
+> 	no possibility of breaking into the debugger).
+> 
+> 	Do you think these patches are worth testing in my case ?

Are you sure it was gmirror's fault? It will be quite hard for gmirror
to hang machine so badly that we are not able to enter ddb...

Anyway, I'd prefer to test those patches not in production environment
yet.

-- 
Pawel Jakub Dawidek                       http://www.wheel.pl
pjd_at_FreeBSD.org                           http://www.FreeBSD.org
FreeBSD committer                         Am I Evil? Yes, I Am!

Received on Tue Mar 07 2006 - 22:04:29 UTC

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