Date: Thu, 27 Feb 2014 18:23:39 +0100 (CET) From: krichy@tvnetwork.hu To: Julian Elischer <julian@freebsd.org> Cc: Erik Stian Tefre <erik@tefre.com>, fs@freebsd.org Subject: Re: What types of SSDs to use..... Message-ID: <alpine.DEB.2.10.1402271823060.1692@krichy.tvnetwork.hu> In-Reply-To: <530818E5.4090100@freebsd.org> References: <5305F8B0.1060308@digiware.nl> <53060AF4.9070900@tefre.com> <530818E5.4090100@freebsd.org>
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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 <julian@freebsd.org> > To: Erik Stian Tefre <erik@tefre.com>, Willem Jan Withagen <wjw@digiware.nl>, > 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" >
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