From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lists.gentoo.org ([140.105.134.102] helo=robin.gentoo.org) by nuthatch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1Gf0bo-00073k-TA for garchives@archives.gentoo.org; Tue, 31 Oct 2006 20:53:21 +0000 Received: from robin.gentoo.org (localhost [127.0.0.1]) by robin.gentoo.org (8.13.8/8.13.6) with SMTP id k9VKn97s031339; Tue, 31 Oct 2006 20:49:09 GMT Received: from castle.comp.uvic.ca (castle.comp.uvic.ca [142.104.5.97]) by robin.gentoo.org (8.13.8/8.13.6) with ESMTP id k9VKjBsq008794 for ; Tue, 31 Oct 2006 20:45:12 GMT Received: from [142.104.236.22] (p236-022.public.uvic.ca [142.104.236.22]) by castle.comp.uvic.ca (8.13.8/8.13.8) with ESMTP id k9VKjAxV8396946 for ; Tue, 31 Oct 2006 12:45:10 -0800 Message-ID: <4547B5DD.9010502@tarpman.homelinux.com> Date: Tue, 31 Oct 2006 12:45:17 -0800 From: Ryan Tandy User-Agent: Thunderbird 1.5.0.7 (X11/20061025) Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] BIG reiserfs problem References: <200610311713.27803.alan@linuxholdings.co.za> <45478CD6.4070502@ilievnet.com> <200610312202.28842.shrdlu@unlimitedmail.org> In-Reply-To: <200610312202.28842.shrdlu@unlimitedmail.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-UVic-Virus-Scanned: OK - Passed virus scan by Sophos (sophie) on castle X-UVic-Spam-Scan: castle.comp.uvic.ca Not_scanned_LOCAL X-Scanned-By: MIMEDefang 2.33 (www . roaringpenguin . com / mimedefang) X-Archives-Salt: ffb10acc-aeef-4186-b824-09bb81c269c4 X-Archives-Hash: 969b683574814e90ef795a0c4710a117 Etaoin Shrdlu wrote: > On Tuesday 31 October 2006 18:50, Daniel Iliev wrote: > >> Then I would propose you to use "hdparm -W0 /dev/(what-ever)" to >> disable the write caching (no matter which FS you use). Nothing can >> give 100% guarantee against power failure. > > This disables only hard disk cache. If I understand correctly, the > caching done by the kernel (ie, by the filesystem driver) happens in > RAM, /before/ data is sent to disk. Did I miss something? I think that's what Daniel intended. If you were *really* paranoid about power outages, you could do that AND mount your FS with -o sync... -- gentoo-user@gentoo.org mailing list