From owner-freebsd-geom@FreeBSD.ORG Thu Aug 4 10:52:29 2011 Return-Path: Delivered-To: freebsd-geom@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 7D0A7106564A for ; Thu, 4 Aug 2011 10:52:29 +0000 (UTC) (envelope-from dmitry.zamaruyev@zoral.com.ua) Received: from mail.zoral.com.ua (mx0.zoral.com.ua [91.193.166.200]) by mx1.freebsd.org (Postfix) with ESMTP id E1DB28FC17 for ; Thu, 4 Aug 2011 10:52:28 +0000 (UTC) Received: from ghost.kharkov.zoral.com.ua ([10.3.1.250]) (authenticated bits=0) by mail.zoral.com.ua (8.14.2/8.14.2) with ESMTP id p74AqPol009455; Thu, 4 Aug 2011 13:52:25 +0300 (EEST) (envelope-from dmitry.zamaruyev@zoral.com.ua) Date: Thu, 4 Aug 2011 13:52:18 +0300 From: Dmitry Zamaruyev To: "Steven Hartland" , Message-ID: <20110804135218.5b75211f@ghost.kharkov.zoral.com.ua> In-Reply-To: References: <20110804130014.0df63364@ghost.kharkov.zoral.com.ua> X-Mailer: Claws Mail 3.7.8 (GTK+ 2.22.1; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Virus-Scanned: clamav-milter 0.95.2 at skuns.kiev.zoral.com.ua X-Virus-Status: Clean X-Spam-Status: No, score=-103.3 required=5.0 tests=ALL_TRUSTED,BAYES_00, DNS_FROM_OPENWHOIS,USER_IN_WHITELIST autolearn=no version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on skuns.kiev.zoral.com.ua Cc: Subject: Re: SSD and gmirror X-BeenThere: freebsd-geom@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: GEOM-specific discussions and implementations List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 04 Aug 2011 10:52:29 -0000 SSD will be attached to Intel ESB2 chip, that using standard ata/ahci drivers (I guess): atapci1: port 0x18a0-0x18a7,0x1874-0x18= 77,0x1878-0x187f,0x1870-0x1873,0x1880-0x189f mem 0xd8500800-0xd8500bff irq = 19 at device 31.2 on pci0=20 atapci1: AHCI called from vendor specific driver=20 atapci1: AHCI v1.10 controller with 6 3Gbps ports, PM supported =D0=92 Thu, 4 Aug 2011 11:33:01 +0100 "Steven Hartland" =D0=BF=D0=B8=D1=88=D0=B5=D1=82: > Be aware that you need to be using ata or another driver which > supports this for it to work even on a standard disk. >=20 > ----- Original Message -----=20 > From: "Dmitry Zamaruyev" >=20 >=20 > > Hello list, > >=20 > > I'm looking for clarification regarding gmirror/geom behavior in > > current 8-STABLE. > > I want to use couple of SSD drives in mirror RAID configuration with > > UFS on top. I know that UFS now supports TRIM (BIO_DELETE) on plain > > disks. > > But will gmirror propagate BIO_DELETE event to lower driver, so both > > SSDs will get trimmed when UFS issue this command? >=20 >=20 > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > 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.=20 >=20 > 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. >=20 --=20 Best regards, Dmitry Zamaruyev, System administrator.