[OpenIndiana-discuss] building a new box soon- HDD concerns and recommendations for virtual serving

[Carl Brewer]

On 18/04/2013 11:08 AM, Jay Heyl wrote:

> One thing I would recommend is trying to use the ashift=12 setting to force
> the use of 4k blocks. I ran into problems because my initial pools were
> created with 512-byte blocks. When I bought some spare drives I couldn't
> use them because they were advanced format with 4k blocks and zfs won't mix
> block sizes on the same vdev. Had I used 4k blocks when I initially set
> everything up I wouldn't have had this problem with the new drives.

How can I check what they are at the moment?

thanks!

Carl