[SFS] how to erase the crap out of (off from?) an old RAID/LVM/whatever disk

[Zack Coffey]

I've used wipefs before.

http://manpages.courier-mta.org/htmlman8/wipefs.8.html

On Mar 9, 2018 6:01 PM, "David L. Willson" <DLWillson at thegeek.nu> wrote:

> This was hard enough to find that I want to stick in my journal. Hello,
> journal.
>
> ```
> # wait for /dev/sdc to become available
> while ! blockdev --getsz /dev/sdc; do sleep 5; done
> # erase the tail - gets the RAID config
> dd bs=512 if=/dev/zero of=/dev/sdc count=2048 seek=$(( $( blockdev --getsz
> /dev/sdc ) - 2048))
> # erase the head - gets the partition table
> dd bs=512 if=/dev/zero of=/dev/sdc count=1024
> # cleanly disconnects
> eject /dev/sdc
> ```
>
> --
> David L. Willson
> Teacher, Engineer, Evangelist
> COA LFCS CCAH RHCE CLP
> Mobile 720-333-LANS(5267)
> http://sofree.us
>
> This is a good time for a r3VOLution.
>
>
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