RE: How to recreate a dmraid RAID array with mdadm

[Mike Viau <viaum@sheridanc.on.ca>]

> On Thu, 18 Nov 2010 12:18:13 +1000 <gcsgcatling@bigpond.com> wrote:
> 
> Hi,
> I am just starting to use RAID on my systems and it was suggested that I make
> sure my drives were set to raid by:---- "fdisk -l"
> This should say that the relavent drives are set to "raid auto-detect".
> Gerald
>
>

Where do you check "raid auto-detect" from fdisk?

fdisk -v

fdisk (util-linux-ng 2.17.2)


fdisk -l /dev/md/OneTB-RAID1-PV 

Disk /dev/md/OneTB-RAID1-PV: 1000.2 GB, 1000202043392 bytes
255 heads, 63 sectors/track, 121600 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

                 Device Boot      Start         End      Blocks   Id  System
/dev/md/OneTB-RAID1-PV1               1      121600   976751968+  8e  Linux LVM


Also note that fdisk -l /dev/md/imsm0 returns nothing....



-M