How to remove BIOS RAID metadata

sometime, when you trying to install Linux on a used disk, it gave an error message:
"Disk contains BIOS metadata, but is not part of any recognized BIOS RAID sets. Ignoring disk sda”

To sold error try to erasing it:

# dmraid -r -E /dev/sda

If you get error you can:

# dd if=/dev/zero of=/dev/sda bs=512 count=2
# fdisk -s /dev/sda
#dd if=/dev/zero of=/dev/sda seek=(number_of_sectors – 20) bs=1k

number_of_sectors = output of fdisk -s /dev/sda

Repeat this step for all disk inside your server.

You can now install linux again.

Posted - Tue, Jan 8, 2013 12:26 AM. This article has been viewed 14835 times.
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