From owner-freebsd-stable Wed Nov 15 13:51:10 2000 Delivered-To: freebsd-stable@freebsd.org Received: from freeway.dcfinc.com (cx74889-a.phnx3.az.home.com [24.1.193.157]) by hub.freebsd.org (Postfix) with ESMTP id 99C6937B4E5 for ; Wed, 15 Nov 2000 13:51:06 -0800 (PST) Received: (from chad@localhost) by freeway.dcfinc.com (8.8.8/8.8.8) id OAA16156; Wed, 15 Nov 2000 14:50:56 -0700 (MST) (envelope-from chad) From: "Chad R. Larson" Message-Id: <200011152150.OAA16156@freeway.dcfinc.com> Subject: Re: Any outstanding soft-updates or FFS bugs (matching this description)? In-Reply-To: <3A1212BC.F648B2E9@cvzoom.net> from Donn Miller at "Nov 14, 0 11:36:12 pm" To: dmmiller@cvzoom.net (Donn Miller) Date: Wed, 15 Nov 2000 14:50:56 -0700 (MST) Cc: dillon@earth.backplane.com, wollman@khavrinen.lcs.mit.edu, stable@FreeBSD.ORG, mckusick@mckusick.com Reply-To: chad@DCFinc.com Organization: DCF, Inc. X-O/S: FreeBSD 2.2.8-STABLE X-Unexpected: The Spanish Inquisition X-Mailer: ELM [version 2.4ME+ PL40 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG As I recall, Donn Miller wrote: > Matt Dillon wrote: >> I've had filesystems blow up under test when filling a parition >> with softupdates turned on. The most recent time was last >> weekend while I was testing low-memory stuff. > It would be nice if the softupdates code (or maybe other kernel code > could do this) could detect when filesystem space is running low, and > kick into some "fail-safe" mode. For example, when the free space drops > below 15%, softupdates could automatically shut itself off, and then > turn itself back on when the free space rises above 20% (hysteresis). I might be wrong, but some of the studies I've done leave me suspecting that your filesystem is probably in better shape with softupdates on when the filesystem runs dry, barring bugs of course. -crl -- Chad R. Larson (CRL15) 602-953-1392 Brother, can you paradigm? chad@dcfinc.com chad@larsons.org larson1@home.net DCF, Inc. - 14623 North 49th Place, Scottsdale, Arizona 85254-2207 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message