[CoLoCo] SATA RAID controller

[TC]

WEll, the only members of your active raid devices are the partitions on sda

You still need to add the partitions on sdb so that they will start
mirroring.

mdadm /dev/md0 -add /dev/sdb1

should do it.

Be careful though!

What do you have mounted?

Jim Hutchinson wrote:
> 
> 
> On Tue, Mar 4, 2008 at 6:14 PM, TC <telecon at infosyndicate.net
> <mailto:telecon at infosyndicate.net>> wrote:
> 
>     Ummm.  This indicates you are doing raid mirroring on one drive.
> 
>     That won't save anything if you lose the drive.  Installing raid at
>     install can be tricky.
> 
>     Can you send me an fdisk -l?
> 
> 
> Sure.
> 
> Disk /dev/sda: 320.0 GB, 320072933376 bytes
> 255 heads, 63 sectors/track, 38913 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> Disk identifier: 0x00026af0
> 
>    Device Boot      Start         End      Blocks   Id  System
> /dev/sda1               1       36230   291017443+  fd  Linux raid
> autodetect
> /dev/sda2   *       36231       38662    19535040   fd  Linux raid
> autodetect
> /dev/sda3           38663       38913     2016157+  82  Linux swap / Solaris
> 
> Disk /dev/sdb: 320.0 GB, 320072933376 bytes
> 255 heads, 63 sectors/track, 38913 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> Disk identifier: 0x000b02b7
> 
>    Device Boot      Start         End      Blocks   Id  System
> /dev/sdb1               1       36230   291017443+  fd  Linux raid
> autodetect
> /dev/sdb2           36231       38662    19535040   fd  Linux raid
> autodetect
> /dev/sdb3           38663       38913     2016157+  82  Linux swap / Solaris
> 
> Disk /dev/md0: 298.0 GB, 298001760256 bytes
> 2 heads, 4 sectors/track, 72754336 cylinders
> Units = cylinders of 8 * 512 = 4096 bytes
> Disk identifier: 0x00000000
> 
> Disk /dev/md0 doesn't contain a valid partition table
> 
> Disk /dev/md1: 20.0 GB, 20003815424 bytes
> 2 heads, 4 sectors/track, 4883744 cylinders
> Units = cylinders of 8 * 512 = 4096 bytes
> Disk identifier: 0x00000000
> 
> Disk /dev/md1 doesn't contain a valid partition table
> 
> I don't think  I'm mirroring on one drive. There isn't enough space to
> mirror on one drive. It's two partitions but one is /home and one is /.
> 
> Thanks,
> -jim
> -- 
> Please avoid sending me Word or PowerPoint attachments.
> See http://www.gnu.org/philosophy/no-word-attachments.html
>