Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262737AbTGAQxN (ORCPT ); Tue, 1 Jul 2003 12:53:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262861AbTGAQxN (ORCPT ); Tue, 1 Jul 2003 12:53:13 -0400 Received: from filesrv1.system-techniques.com ([199.33.245.55]:54662 "EHLO filesrv1.baby-dragons.com") by vger.kernel.org with ESMTP id S262737AbTGAQxM (ORCPT ); Tue, 1 Jul 2003 12:53:12 -0400 Date: Tue, 1 Jul 2003 13:07:30 -0400 (EDT) From: "Mr. James W. Laferriere" To: Larry McVoy cc: Linux Kernel Mailing List Subject: Re: bkbits.net is down In-Reply-To: <20030701145041.GA18394@work.bitmover.com> Message-ID: References: <20030621135812.GE14404@work.bitmover.com> <20030621190944.GA13396@work.bitmover.com> <20030622002614.GA16225@work.bitmover.com> <20030623053713.GA6715@work.bitmover.com> <20030625013302.GB2525@work.bitmover.com> <20030626231752.E5633@ucw.cz> <20030626212102.GA19056@work.bitmover.com> <1056711200.3174.23.camel@dhcp22.swansea.linux.org.uk> <20030627145727.GB18676@work.bitmover.com> <1056728645.3174.48.camel@dhcp22.swansea.linux.org.uk> <20030701145041.GA18394@work.bitmover.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2724 Lines: 62 Hello Larry , The inserted eamil was dropped on the list awhile back . See after .sig . JimL On Tue, 1 Jul 2003, Larry McVoy wrote: > Does anyone know how to enable caching on a mylex AcceleRAID 170 (aka > DAC960) SCSI controller? We've got the bkbits.net data mirrored at > rackspace.com but the controllers are read and write cache disabled. > I read the driver source and it doesn't offer this ability via the > /proc configuration space which is where I would have expected it. > Is this a bios only thing? -- +------------------------------------------------------------------+ | James W. Laferriere | System Techniques | Give me VMS | | Network Engineer | P.O. Box 854 | Give me Linux | | babydr@baby-dragons.com | Coudersport PA 16915 | only on AXP | +------------------------------------------------------------------+ On Mon, 5 Feb 2001, Dan Jones wrote: > Date: Mon, 05 Feb 2001 17:28:05 -0800 > From: Dan Jones > To: octave klaba > Cc: "linux-raid@vger.kernel.org" > Subject: Re: DAC960 & cache > > octave klaba wrote: > > > > Hello, > > > > On Mylex 170 we have, the read/write cache disabled. > > How can I switch it on ? Since we have it with raid-1 > > and the hd has the cache too, do we lose the data if > > the server caches ? > > > > Thanks > > Octave > > > > DAC960#0: Logical Drives: > > DAC960#0: /dev/rd/c0d0: RAID-1, Online, 35807232 blocks > > DAC960#0: Logical Device Initialized, BIOS Geometry: > > 255/63 > > DAC960#0: Stripe Size: 64KB, Segment Size: 8KB > > DAC960#0: Read Cache Disabled, Write Cache Disabled > > - > > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > > the body of a message to majordomo@vger.kernel.org > > The cache policy can be switched via the Mylex firmware. Check out > Mylex's searchable FAQ. Try searching on enable cache. The > instructions cover the DACCF firmware. EzAssist will be different: > > http://mylex.custhelp.com/cgi-bin/mylex.cfg/php/enduser/home.php > > The A170 doesn't have a battery, so remember to allow the cache to > flush before resetting or power cycling your system: > -- > Dan Jones, Manager, Storage Products VA Linux Systems > V:(510)687-6737 F:(510)683-8602 47071 Bayside Parkway > djones@valinux.com Fremont, CA 94538 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/