Ghost device in mdadm raid5

Chris Mason lists at masonc.com
Sat Sep 4 11:54:18 UTC 2004


I have a raid device made up of 5 disks. There are four devices in use and
one spare, hdl1.
When I run mdadm --detail I see six devices, but I don't know what devices 3
is. How do I remove it since it does not exist?


[root at munster root]# mdadm --detail /dev/md0
/dev/md0:
        Version : 00.90.00
  Creation Time : Sat Sep  4 07:01:50 2004
     Raid Level : raid5
     Array Size : 468864768 (447.14 GiB 480.16 GB)
    Device Size : 156288256 (149.05 GiB 160.08 GB)
   Raid Devices : 4
  Total Devices : 6
Preferred Minor : 0
    Persistence : Superblock is persistent

    Update Time : Sat Sep  4 03:49:15 2004
          State : dirty, no-errors
 Active Devices : 3
Working Devices : 5
 Failed Devices : 1
  Spare Devices : 2

         Layout : left-symmetric
     Chunk Size : 64K

    Number   Major   Minor   RaidDevice State
       0      33        1        0      active sync   /dev/hde1
       1      34        1        1      active sync   /dev/hdg1
       2      56        1        2      active sync   /dev/hdi1
       3       0        0        3      faulty
       4      57        1        4        /dev/hdk1
       5      57       65        5        /dev/hdl1
           UUID : 8cb5dd66:4d5944e4:4c8eacb8:9f4cae58
[root at munster root]# 

Chris Mason
masonc at masonc.com
Box 340, The Valley, Anguilla, British West Indies
Tel. (264) 497-5670 - Cell: (264) 235-5670 - Also (305)-735-3483   
Fax: (264) 497-8463 - US Fax (815)301-9759
Yahoo IM: netconcepts_anguilla at yahoo.com





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