Date: Wed, 24 Nov 2004 20:36:09 +0100 From: Matthias Andree <ma@dt.e-technik.uni-dortmund.de> To: Scott Long <scottl@freebsd.org> Cc: Dan Nelson <dnelson@allantgroup.com> Subject: Re: 5-STABLE softupdates issue? Message-ID: <m3hdnfrqdy.fsf@merlin.emma.line.org> In-Reply-To: <41A4C43D.8020304@freebsd.org> (Scott Long's message of "Wed, 24 Nov 2004 10:26:21 -0700") References: <m3zn17a2mj.fsf@merlin.emma.line.org> <41A4944C.6030808@freebsd.org> <20041124171855.GE95873@dan.emsphone.com> <41A4C43D.8020304@freebsd.org>
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Scott Long <scottl@freebsd.org> writes: > I wonder if this points to dependencies not being pushed out of the > buffer/cache correctly. So do I. Is there a good way to debug this, i. e. more systematic than just trying to trash the FS and see if fsck can recover? > That said, I rarely, if ever, see softupdate > problems on my SCSI development systems, but that might just be > coincidence. I posted about softupdate problems on a SCSI system with DISABLED WRITE CACHE, on a somewhat flakey Micropolis drive that froze and caused massive ffs+softupdates corruption in February 2004 (on FreeBSD 4 though), see <URL:http://docs.freebsd.org/cgi/mid.cgi?m38yj15m59.fsf>; for the archived post, including logs. So that makes two for me and some more for Dan. -- Matthias Andree
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