From mboxrd@z Thu Jan 1 00:00:00 1970 From: "=?gb2312?B?0+HPyNOh?=" Subject: How mdadm can support > 2T Date: Wed, 15 Nov 2006 12:36:38 +0800 Message-ID: <200611151236376090234@dahuatech.com> Mime-Version: 1.0 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: 7bit Return-path: Sender: linux-raid-owner@vger.kernel.org To: linux-raid List-Id: linux-raid.ids Ilinux-raid want to create raid0 use mdadm 2.5.6, kernel 2.6.18-iop3 on the intel iop80331(32bit). use 5 disks, and every hard disk is 500G. But it can't beyond > 2T. How can support >2T on the 32bit cpu ? command and log : #mdadm -C /dev/md0 -l0 -n5 /dev/sd[c,d,e,f,g] # mdadm --detail /dev/md0 root@iop:/# mdadm --detail /dev/md0 /dev/md0: Version : 00.90.03 Creation Time : Thu Jan 1 00:29:29 1970 Raid Level : raid0 Array Size : 294448832 (280.81 GiB 301.52 GB) Raid Devices : 5 Total Devices : 5 Preferred Minor : 0 Persistence : Superblock is persistent Update Time : Thu Jan 1 00:29:29 1970 State : clean Active Devices : 5 Working Devices : 5 Failed Devices : 0 Spare Devices : 0 Chunk Size : 64K UUID : ebdd57fe:8eb46fdf:884d06b0:5db18b9d Events : 0.1 Number Major Minor RaidDevice State 0 8 32 0 active sync /dev/sdc 1 8 48 1 active sync /dev/sdd 2 8 64 2 active sync /dev/sde 3 8 80 3 active sync /dev/sdf 4 8 96 4 active sync /dev/sdg