From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Brown Subject: Re: potentially lost largeish raid5 array.. Date: Fri, 23 Sep 2011 15:28:36 +0200 Message-ID: References: <201109221950.36910.tfjellstrom@shaw.ca> <201109222249.12892.tfjellstrom@shaw.ca> <20110923105834.71fc7c78@natsu> <201109222310.28684.tfjellstrom@shaw.ca> <4E7C81E0.1040707@hardwarefreak.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4E7C81E0.1040707@hardwarefreak.com> Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org List-Id: linux-raid.ids On 23/09/2011 14:56, Stan Hoeppner wrote: > On 9/23/2011 12:10 AM, Thomas Fjellstrom wrote: > >> I /really really/ wish the driver for this card was more stable, but >> you deal >> with what you've got (in my case a $100 2 port SAS/8 port SATA card). > > Please don't shield the identity of the problem card. Others need to > know of your problems. An educated guess tells me it is one of... > > Card: SuperMicro AOC-SASLP-MV8 Marvell 88SE6480 > Driver: MVSAS > > Card: HighPoint RocketRAID 2680/2680SGL Marvell 88SE6485 > Driver: MVSAS > > This ASIC/driver combo is so historically horrible with Linux that I'm > surprised all the owners haven't had a big bon fire party and thrown all > the cards in. Or simply Ebay'd them to Windows users, where they seem to > work relatively OK. > > Solve your problem with a 50% more $$ LSI SAS1068E based Intel 8 port > PCIe x4 SAS/SATA HBA, which uses the mptsas driver: > http://www.newegg.com/Product/Product.aspx?Item=N82E16816117157 > > It seems this is the card most users switch to after being burned by the > cheap Marvell based SAS 2xSFF8087 cards. The 1068E cards and the mptsas > driver are far more reliable, stable, and faster. Many OEM cards from > IBM, Dell, etc, use this chip and can be had on Ebay for less than the > new retail Intel card. In your situation I'd probably buy new Intel just > in case. Hope this info/insight helps. > The SAS card I had was an LSI SAS1068 card, with 2 SAS (no SATA), Dell brand. It worked flawlessly with Linux right up to the day the card died out of the blue. With a sample size of 1, I don't have the statistics to justify judging the card or the controller, but I certainly will be sceptical about using such a card again.