[CentOS] CentOS 6.9, shredding a RAID

Fri Jun 2 18:41:44 UTC 2017
Gordon Messmer <gordon.messmer at gmail.com>

On 05/31/2017 08:04 AM, m.roth at 5-cent.us wrote:
> I've got an old RAID that I attached to a box. LSI card, and the RAID has
> 12 drives, for a total RAID size of 9.1TB, I think. I started shred
> /dev/sda the Friday before last... and it's still running. Is this
> reasonable for it to be taking this long...?

Was the system booting from /dev/sda, or were you running any 
binaries/libraries from sda?  Often you'll be able to shred the device 
you boot from, but you won't get a prompt back when it's done.