Check out the "raidreconf" utility. It will grow RAID 5 arrays onto new disks. It will not expand the partitions on the raid, though. For that you'll need a utility like resize2fs. ----- Original Message ----- From: <robin-lists@xxxxxxxxxxxxxx> To: <linux-raid@xxxxxxxxxxxxxxx> Sent: Thursday, July 22, 2004 12:20 PM Subject: Add disks to RAID5 array > Hi, > > I had intended to build a RAID5 array using 6 x 250GB drives. However, 3 of > 6 drives have proven to be faulty and have been RMA'd. > > I've successfully built the array using the remaining 3 x 250GB drives > (details below) > > Now, when I get the other three disks back, how do I add them to this array > and increase the size of the array? Is this possible? > > Thanks, > > R. > > > > [root@dude root]# mdadm --detail /dev/md5 > /dev/md5: > Version : 00.90.01 > Creation Time : Thu Jul 22 14:13:50 2004 > Raid Level : raid5 > Array Size : 487283200 (464.71 GiB 498.98 GB) > Device Size : 243641600 (232.35 GiB 249.49 GB) > Raid Devices : 3 > Total Devices : 3 > Preferred Minor : 5 > Persistence : Superblock is persistent > > Update Time : Thu Jul 22 17:00:18 2004 > State : clean > Active Devices : 3 > Working Devices : 3 > Failed Devices : 0 > Spare Devices : 0 > > Layout : left-symmetric > Chunk Size : 128K > > Number Major Minor RaidDevice State > 0 8 2 0 active sync /dev/sda2 > 1 8 18 1 active sync /dev/sdb2 > 2 8 34 2 active sync /dev/sdc2 > UUID : dde32a88:4b9bf7c1:1a634922:efbac4b0 > Events : 0.448136 > > -- > http://robinbowes.com > > - > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html