Date: Fri, 22 Aug 2014 08:33:18 -0800 From: "Peter A. Giessel" <pgiessel@mac.com> To: RW <rwmaillists@googlemail.com> Cc: "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org> Subject: Re: solid state drives? Message-ID: <BED7F4F3-D9E3-43F9-A366-41B6B58D7C5B@mac.com> In-Reply-To: <20140822170112.69830ad9@gumby.homeunix.com> References: <53F22E89.3050005@rcn.com> <53F2399D.5050609@hiwaay.net> <20140822170112.69830ad9@gumby.homeunix.com>
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> On Aug 22, 2014, at 8:01, RW <rwmaillists@googlemail.com> wrote: >=20 > On Mon, 18 Aug 2014 12:36:29 -0500 > William A. Mahaffey III wrote: >=20 >=20 >> None of the SSD's are/will be as durable as spinning drives for >> writes .... That said, the SLC type are more durable than MLC or >> TLC .... Also more $$$$ & usually only available in smaller sizes. >> Good for a root drive, i.e. mostly read-olny operations. Swap & >> everything else on spinning platters .... >=20 > A typical modern 120GB MLC SSD will have a specified write endurance of > around 8TB which is equivalent to 1GB a day for 22 years. They should > be fine for most things where there's nothing doing heavy duty writing. >=20 This sounds about right. I've burned out (3) SSD drives in the last year, b= ut I'm pushing around 400-800 MB/s sustained random read/write 24/7 (about 4= 0GB/day) on a PCIe SSD drive.=
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