From owner-freebsd-scsi@FreeBSD.ORG Mon Jan 17 13:29:52 2011 Return-Path: Delivered-To: freebsd-scsi@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 74FED106564A for ; Mon, 17 Jan 2011 13:29:52 +0000 (UTC) (envelope-from tom@dyn.com) Received: from dynmail-01-mht.dyndns.com (dynmail-01-mht.dyndns.com [216.146.45.13]) by mx1.freebsd.org (Postfix) with ESMTP id 4916B8FC08 for ; Mon, 17 Jan 2011 13:29:52 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by dynmail-01-mht.dyndns.com (Postfix) with ESMTP id A87E71752012; Mon, 17 Jan 2011 08:29:51 -0500 (EST) X-Virus-Scanned: amavisd-new at dynmail-01-mht.dyndns.com Received: from dynmail-01-mht.dyndns.com ([127.0.0.1]) by localhost (dynmail-01-mht.dyndns.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id orCGFsBjOOsp; Mon, 17 Jan 2011 08:29:51 -0500 (EST) Received: from mail.corp.dyndns.com (mail.corp.dyndns.com [216.146.45.14]) by dynmail-01-mht.dyndns.com (Postfix) with ESMTP id 6EBA5234047; Mon, 17 Jan 2011 08:29:51 -0500 (EST) Date: Mon, 17 Jan 2011 08:29:51 -0500 (EST) From: Tom Daly To: Daniel Braniss Message-ID: <16106406.26.1295270988755.JavaMail.tom@dhcp-251.office.mht.dyndns.com> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Originating-IP: [172.16.12.251] X-Mailer: Zimbra 6.0.7_GA_2473.UBUNTU8 (Zimbra Desktop/2.0.1_10659_Mac) Cc: freebsd-scsi@freebsd.org Subject: Re: Serious Dell Sadness - H200, H700, and H800 X-BeenThere: freebsd-scsi@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: SCSI subsystem List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 17 Jan 2011 13:29:52 -0000 Danny, > you certainly got my attention this morning, since we are planning on > making 2 similar boxes production next week! > our Dell are R710 but the perc are H700, and running 8.2. > they only have 4 disk of 1T each, and so far they are configured as > r0 1 disk > r5 3 disks > and using zfs. We suspect volume size may have something to do with it, so if you only have 4 drives, you may not be hitting the need for 64-bit LBA. This morning, we plan to run the same tests under Debian linux to isolate a hardware or OS/driver issue. > Have been running bonnie++ on both, and so far, all is ok. > any particular arguments for bonnie++? None here, we're using bonnie++ too. > I could add more disks to one, and try raid 10 (though I don't > remember > if that option exists) H700 should support RAID 10. Regards, Tom