[CentOS] CentOS 6.9, shredding a RAID

Wed May 31 15:39:19 UTC 2017
Paul Heinlein <heinlein at madboa.com>

On Wed, 31 May 2017, 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...?

Unless you specified non-default options, shred overwrites each file 
three times -- and writing 27 TB to an old RAID array will be 
extremely slow. Also, shred has a builtin PRNG, and I'm not really 
sure how speedy it is.

Still, 12 days seems like a really long time...

Paul Heinlein <> heinlein at madboa.com <> http://www.madboa.com/