RE: Add disks to RAID5 array

A tool called Raidreconf can do what you want.
I have never used it.
I don't know how much risk there is in data loss.
I would backup my data first!

Find it, read about it, and understand it.

Maybe someone else can comment on the risks?

Guy

-----Original Message-----
From: linux-raid-owner@vger.kernel.org
[mailto:linux-raid-owner@vger.kernel.org] On Behalf Of
robin-lists@robinbowes.com
Sent: Thursday, July 22, 2004 12:20 PM
To: linux-raid@vger.kernel.org
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 

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