Date: Wed, 23 Sep 2015 07:43:49 +0200 From: Michael Fuckner <michael@fuckner.net> To: Tim Gustafson <tjg@ucsc.edu>, freebsd-fs@freebsd.org Subject: Re: Switching from MFI to MRSAS Message-ID: <56023C15.7080007@fuckner.net> In-Reply-To: <CAPyBAS4-oRjrybxu81nPO1Xb0WPdYzJRoEZ3t8zjNUrxFsiZpw@mail.gmail.com> References: <CAPyBAS4-oRjrybxu81nPO1Xb0WPdYzJRoEZ3t8zjNUrxFsiZpw@mail.gmail.com>
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On 9/23/2015 1:26 AM, Tim Gustafson wrote: > As I mentioned in my previous post last week, I have a new Dell R630 > server that uses a Perc controller, and I have installed 4 SSD drives > and configured the PERC controller in pass-through mode. However, the > PERC controller and its drives are being handled by the "mfi" driver, > which apparently does not support TRIM. > > I have been reading up on all this, and I see that there is also an > "mrsas" driver that (according to the documentation) appears to be > compatible with my PERC controller, which is identified as follows: > Hi, mfi is the old driver for 3GBit and 6GBit (Single Core) Raid Cards (102108 based) mrsas is the newer driver for 6GBit (Dual Core) and 12GBit Cards (2208/ 3008 based) Different driver for different LSI Chipsets Sorry to disappoint you, regards, Michael
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