From owner-freebsd-fs@FreeBSD.ORG Thu Feb 27 17:25:15 2014 Return-Path: Delivered-To: fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 427E0276; Thu, 27 Feb 2014 17:25:15 +0000 (UTC) Received: from krichy.tvnetwork.hu (unknown [IPv6:2a01:be00:0:2::10]) by mx1.freebsd.org (Postfix) with ESMTP id 02A001F8D; Thu, 27 Feb 2014 17:25:14 +0000 (UTC) Received: by krichy.tvnetwork.hu (Postfix, from userid 1000) id EC0C6909; Thu, 27 Feb 2014 18:23:39 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by krichy.tvnetwork.hu (Postfix) with ESMTP id EAA6D908; Thu, 27 Feb 2014 18:23:39 +0100 (CET) Date: Thu, 27 Feb 2014 18:23:39 +0100 (CET) From: krichy@tvnetwork.hu To: Julian Elischer Subject: Re: What types of SSDs to use..... In-Reply-To: <530818E5.4090100@freebsd.org> Message-ID: References: <5305F8B0.1060308@digiware.nl> <53060AF4.9070900@tefre.com> <530818E5.4090100@freebsd.org> User-Agent: Alpine 2.10 (DEB 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: Erik Stian Tefre , fs@freebsd.org X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 27 Feb 2014 17:25:15 -0000 We use Intel S3700, +1 for that, larger endurance, has power-loss protection, and IOPS is very nice. Kojedzinszky Richard Euronet Magyarorszag Informatika Zrt. On Sat, 22 Feb 2014, Julian Elischer wrote: > Date: Sat, 22 Feb 2014 11:26:29 +0800 > From: Julian Elischer > To: Erik Stian Tefre , Willem Jan Withagen , > fs@freebsd.org > Subject: Re: What types of SSDs to use..... > > On 2/20/14, 10:02 PM, Erik Stian Tefre wrote: >>> Hi, >>> >>> I'm looking for advise and suggestions on what SSDs to use for the >>> ZFS-systems I have and/or am building.... >>> >>> I know the difference between SLC en MLC , but beyond that I have not >>> the best experience with all the older SSD I have lingering about here. >>> >>> Most of them just "disconnect" after a while. >>> It could be because they have exceeded their wear level and just can not >>> write any more. But than that has occurred rather fast. >>> >>> So what types SSD are others using for >>> ZIL >>> cache >>> what is your experience with them >>> >> Intel SSDs are good. I've got some handfuls of x25-e, 320, DC S3500 and DC >> S3700 running in supermicro servers and none of them have ever failed or >> dropped out in any way. The x25-es have been hammered with database loads >> 24/7 since 2009 without any issues. > > the newest intel drives have enough RAM inhtem to actually index the entire > drive in ram, so the performance is a lot better. > Prior to that they had to hold the index on flash, (with a cache). > >> >> I use DC S3500 for cache. DC S3700 is probably better for ZIL. (The 3700 >> has a higher write endurance HET-MLC, 10x the endurance of the S3500 I >> think and 4x the write IOPS.) >> >> Here's an interesting SSD stress test report by the way: >> http://www.extremetech.com/computing/173887-ssd-stress-testing-finds-intel-might-be-the-only-reliable-drive-manufacturer > > doesn't count PCI SSDs.. > >> >> -- >> Erik >> _______________________________________________ >> freebsd-fs@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-fs >> To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" >> > > _______________________________________________ > freebsd-fs@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" >