From owner-freebsd-bugs Sun Mar 24 9:24:23 2002 Delivered-To: freebsd-bugs@freebsd.org Received: from mail.webmonster.de (datasink.webmonster.de [194.162.162.209]) by hub.freebsd.org (Postfix) with SMTP id 2AB4037B419 for ; Sun, 24 Mar 2002 09:24:16 -0800 (PST) Received: (qmail 79496 invoked by uid 1000); 24 Mar 2002 17:24:36 -0000 Date: Sun, 24 Mar 2002 18:24:36 +0100 From: "Karsten W. Rohrbach" To: Robert Watson Cc: freebsd-fs@freebsd.org, freebsd-bugs@freebsd.org Subject: Re: Soft update instability with heavy IO and offboard IDE controller Message-ID: <20020324182436.B79192@mail.webmonster.de> Mail-Followup-To: "Karsten W. Rohrbach" , Robert Watson , freebsd-fs@freebsd.org, freebsd-bugs@freebsd.org References: <3C9D64EA.BBE84A89@mindspring.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-md5; protocol="application/pgp-signature"; boundary="4bRzO86E/ozDv8r1" Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: ; from rwatson@freebsd.org on Sun, Mar 24, 2002 at 09:22:47AM -0500 X-Arbitrary-Number-Of-The-Day: 42 X-URL: http://www.webmonster.de/ X-Disclaimer: My opinions do not necessarily represent those of my employer X-Work-URL: http://www.ngenn.net/ X-Work-Address: nGENn GmbH, Schloss Kransberg, D-61250 Usingen-Kransberg, Germany X-Work-Phone: +49-6081-682-304 Sender: owner-freebsd-bugs@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org --4bRzO86E/ozDv8r1 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Robert Watson(rwatson@freebsd.org)@2002.03.24 09:22:47 +0000: > I have to say that my answer on the ATA write caching is a UPS. :-) i hope, this is not meant seriously. an ups keeps your system running in case of mains power outage, true. it does not help anything in the following (common) scenarios: - the power supply blows - bad power cable - neutron bombs ;-) honestly, judging from the quality of hardware you get in .de the first two things happen more often than a real power outage, so i'd say an ups is no viable solution when enabling ata wc. it may give you a warm fuzzy feeling, but that's about it :-) just my EUR 0.02, in case something makes it a FAQ to go into the handbook... /k --=20 > Markets are self-correcting. That's why I trust markets more than > governments. Governments usually aren't self-correcting, until too late.= =20 > --Interview with Walter Wriston as reported in Wired 4.10=20 KR433/KR11-RIPE -- WebMonster Community Founder -- nGENn GmbH Senior Techie http://www.webmonster.de/ -- ftp://ftp.webmonster.de/ -- http://www.ngenn.n= et/ GnuPG 0x2964BF46 2001-03-15 42F9 9FFF 50D4 2F38 DBEE DF22 3340 4F4E 2964 B= F46 My mail is GnuPG signed -- Unsigned ones are bogus -- http://www.gnupg.org/ Please do not remove my address from To: and Cc: fields in mailing lists. 1= 0x --4bRzO86E/ozDv8r1 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (FreeBSD) Comment: For info see http://www.gnupg.org iD8DBQE8ngvUM0BPTilkv0YRAsY4AJ4h6Hk/oPo3x/OzPnI9tBLiZ1K2EwCeMBhN bendgRNcfwnJ3o4kUIAIkKo= =L7b9 -----END PGP SIGNATURE----- --4bRzO86E/ozDv8r1-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message