From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: with ECARTIS (v1.0.0; list xfs); Fri, 01 Sep 2006 09:13:10 -0700 (PDT) Received: from mail.itsolut.com (mail.itsolut.com [64.182.153.89]) by oss.sgi.com (8.12.10/8.12.10/SuSE Linux 0.7) with ESMTP id k81GD0DW021514 for ; Fri, 1 Sep 2006 09:13:00 -0700 Received: from [192.168.1.3] (adsl-68-251-149-159.dsl.bltnin.ameritech.net [68.251.149.159]) by mail.itsolut.com (Postfix) with ESMTP id 4E9D043223 for ; Fri, 1 Sep 2006 11:12:24 -0500 (EST) Message-ID: <44F85BE7.2010001@gmail.com> Date: Fri, 01 Sep 2006 12:12:23 -0400 From: Chris Hane MIME-Version: 1.0 Subject: Re: XFS and 3.2TB Partition References: <44F714F2.7050502@gmail.com> <200609010836.32331.krienke@uni-koblenz.de> In-Reply-To: <200609010836.32331.krienke@uni-koblenz.de> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: xfs-bounce@oss.sgi.com Errors-To: xfs-bounce@oss.sgi.com List-Id: xfs To: xfs@oss.sgi.com Thank for the input. I appreciate everyones help! I believe I am going to end up not partitioning the raid array and using it directly (as described in an email which I copied below). When we get our next large storage machine in (we've are going to need a couple over the next year to store CD & DVD ISO Images), I'm going to experiment some more with the suggestions everyone has given me here. As an FYI: I'm using the latest versions of everything (parted 1.7.1, kernel 2.6.16, 3ware raid controller brand new) Thanks for the help, Chris.... Peter Grandi wrote: >>>> On Thu, 31 Aug 2006 12:57:22 -0400, Chris Hane >>>> said: > > chrishane> I am trying to create a 3.2TB partition on my Raid 5. > chrishane> Is there a document that could help? > > The 9500 is fairly recent, so it should not have a lot of 2TB > problems. But there are 2TB limits in several places. For example > old versions of the Linux kernel don't support more than 2TB per > _filesystem_. > > But I suspect that you are trying to create partitions in the > sense of the MS-DOS/MS-Windows partitioning scheme. Check > carefully whether that partitioning scheme allos partitions > larger than 2TB :-). > > Anyhow, usually for very large filesystems you don't need > partitions at all. Just use '/dev/sda'. Or check the other > partitioning schemes supported by Linux, some may have higher > limits. > > chrishane> I have a 3ware 9500 controller and 8 *500GB sata > chrishane> drives configured into a single RAID 5 array. > > Using RAID5 with 8 drives is a great crime. Nothing to do with > your partitioning problems, but since you mentioned it... > Consider reading carefully > Rainer Krienke wrote: > Am Donnerstag, 31. August 2006 18:57 schrieben Sie: >> I am trying to create a 3.2TB partition on my Raid 5. Is there a >> document that could help? >> >> I have a 3ware 9500 controller and 8 *500GB sata drives configured into >> a single RAID 5 array. >> > > I have a Raid with about 5TB and no problems creating an xfs filesystem on it. > The system is Novell SLES10 with a 2.6.16.21 kernel. > > At first there was a problem with the raid. The firmware of the raid device > needed an upgrade. Bevore the upgrade I had a maximum of 2TB. > > In dmesg (or /var/log/boot.msg on SLES10) you should see something like this > message if the device (sdc here) is handled correctly: > > <5>sdc : very big device. try to use READ CAPACITY(16). > <5>SCSI device sdc: 10156243968 512-byte hdwr sectors (5199997 MB) > <5>sdc: Write Protect is off > <7>sdc: Mode Sense: cb 00 00 08 > <5>SCSI device sdc: drive cache: write back > <5>sdc : very big device. try to use READ CAPACITY(16). > <5>SCSI device sdc: 10156243968 512-byte hdwr sectors (5199997 MB) > > Bevore the firmware update there was an error when trying to read the capacity > via READ CAPACITY(16). > > I created the partitiions using parted. fdisk did not work. > > Have a nice day > Rainer