[CoLoCo] SATA RAID controller

[Jim Hutchinson]

On Tue, Mar 4, 2008 at 6:59 PM, TC <telecon at infosyndicate.net> wrote:

> blah at ubuntu:~$ sudo mdadm --query --detail /dev/md0
>
> What does this command show?
>

Lots...

/dev/md0:
        Version : 00.90.03
  Creation Time : Sun Nov 25 15:49:54 2007
     Raid Level : raid1
     Array Size : 291017344 (277.54 GiB 298.00 GB)
  Used Dev Size : 291017344 (277.54 GiB 298.00 GB)
   Raid Devices : 1
  Total Devices : 2
Preferred Minor : 0
    Persistence : Superblock is persistent

    Update Time : Tue Mar  4 19:59:42 2008
          State : clean
 Active Devices : 1
Working Devices : 2
 Failed Devices : 0
  Spare Devices : 1

           UUID : 6404630c:7883f46e:8bd75f96:55d542cf
         Events : 0.20

    Number   Major   Minor   RaidDevice State
       0       8        1        0      active sync   /dev/sda1

       1       8       17        -      spare   /dev/sdb1


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