From owner-freebsd-stable@FreeBSD.ORG Wed Jun 5 23:55:15 2013 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 48DD6C68 for ; Wed, 5 Jun 2013 23:55:15 +0000 (UTC) (envelope-from prvs=1868436c14=killing@multiplay.co.uk) Received: from mail1.multiplay.co.uk (mail1.multiplay.co.uk [85.236.96.23]) by mx1.freebsd.org (Postfix) with ESMTP id 0FE811A72 for ; Wed, 5 Jun 2013 23:55:13 +0000 (UTC) Received: from r2d2 ([82.69.141.170]) by mail1.multiplay.co.uk (mail1.multiplay.co.uk [85.236.96.23]) (MDaemon PRO v10.0.4) with ESMTP id md50004178621.msg for ; Thu, 06 Jun 2013 00:55:08 +0100 X-Spam-Processed: mail1.multiplay.co.uk, Thu, 06 Jun 2013 00:55:08 +0100 (not processed: message from valid local sender) X-MDDKIM-Result: neutral (mail1.multiplay.co.uk) X-MDRemoteIP: 82.69.141.170 X-Return-Path: prvs=1868436c14=killing@multiplay.co.uk X-Envelope-From: killing@multiplay.co.uk X-MDaemon-Deliver-To: freebsd-stable@freebsd.org Message-ID: From: "Steven Hartland" To: "Dmitry Morozovsky" References: <22BEEC35F8964CACB8E625DA3068A12F@multiplay.co.uk> Subject: Re: TRIM support through ciss Date: Thu, 6 Jun 2013 00:54:58 +0100 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5931 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6157 Cc: freebsd-stable@freebsd.org X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 05 Jun 2013 23:55:15 -0000 ----- Original Message ----- From: "Dmitry Morozovsky" > well, to be a bit more precise: SSDs are split to have mirrored ZIL and > splitted L2ARC, and SASes are mirrored in pairs: > > root@briareus:/usr/src# zpool status > pool: br > state: ONLINE > scan: scrub repaired 0 in 0h0m with 0 errors on Fri Apr 26 15:29:32 2013 > config: > > NAME STATE READ WRITE CKSUM > br ONLINE 0 0 0 > mirror-0 ONLINE 0 0 0 > gpt/br0 ONLINE 0 0 0 ... > logs > mirror-4 ONLINE 0 0 0 > gpt/br-zil0 ONLINE 0 0 0 > gpt/br-zil1 ONLINE 0 0 0 > cache > gpt/br-cache0 ONLINE 0 0 0 > gpt/br-cache1 ONLINE 0 0 0 > > errors: No known data errors > > All I need is TRIM support for ZIL and L2ARC... The important question for this is do your see a supported delete method for your SSD's? If the answer is no then you may be out of luck unless there's a FW upgrade for your controller which fixes that or you can attach them to a different controller such as on board AHCI? Regards Steve ================================================ This e.mail is private and confidential between Multiplay (UK) Ltd. and the person or entity to whom it is addressed. In the event of misdirection, the recipient is prohibited from using, copying, printing or otherwise disseminating it or any information contained in it. In the event of misdirection, illegible or incomplete transmission please telephone +44 845 868 1337 or return the E.mail to postmaster@multiplay.co.uk.