From owner-freebsd-hackers Tue Aug 26 14:26:26 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id OAA09028 for hackers-outgoing; Tue, 26 Aug 1997 14:26:26 -0700 (PDT) Received: from iafnl.es.iaf.nl (uucp@iafnl.es.iaf.nl [195.108.17.20]) by hub.freebsd.org (8.8.7/8.8.7) with SMTP id OAA09015 for ; Tue, 26 Aug 1997 14:26:08 -0700 (PDT) Received: by iafnl.es.iaf.nl with UUCP id AA26426 (5.67b/IDA-1.5 for freebsd-hackers@FreeBSD.ORG); Tue, 26 Aug 1997 23:26:12 +0200 Received: (from wilko@localhost) by yedi.iaf.nl (8.8.5/8.6.12) id TAA00612; Tue, 26 Aug 1997 19:04:53 +0200 (MET DST) From: Wilko Bulte Message-Id: <199708261704.TAA00612@yedi.iaf.nl> Subject: Re: ? power outages and file system corruption To: terry@lambert.org (Terry Lambert) Date: Tue, 26 Aug 1997 19:04:53 +0200 (MET DST) Cc: burt@focusplus.com, freebsd-hackers@FreeBSD.ORG In-Reply-To: <199708260400.VAA02776@phaeton.artisoft.com> from "Terry Lambert" at Aug 25, 97 09:00:01 pm X-Organisation: Private FreeBSD site - Arnhem, The Netherlands X-Pgp-Info: PGP public key at 'finger wilko@freefall.freebsd.org' X-Mailer: ELM [version 2.4 PL24 ME8a] Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk As Terry Lambert wrote... > > Is the only way to protect against power-outage-caused file system > > corruption to install a UPS? Someone mentioned to me that Sun > > (yeah, i know it's Solaris, but i just wanted to know if there was > > something analogous in FBSD) has some sort of disk/FS caching to > > protect against this. > > Sun has a non-volatile write buffer card you can buy for Sun machines > so async writes aren't dangerous. These things are mostly used for NFS servers. Called 'Prestoserve' and not limited to only Sun machines. I think there is even a special NVRAM SIMM you can put into your Sparcstation. Wilko _ ____________________________________________________________________ | / o / / _ Bulte email: wilko@yedi.iaf.nl http://www.tcja.nl/~wilko |/|/ / / /( (_) Arnhem, The Netherlands - Do, or do not. There is no 'try' ----------------------------------------------------------------------Yoda