[OpenIndiana-discuss] ashift 13?

[Jason Matthews]

http://wiki.illumos.org/display/illumos/List+of+sd-config-list+entries+for+Advanced-Format+drives

There are number of drives listed in the above document as being 8kb 
sector devices. Is this right? ashfit=13?

I set a system up on dc s3700 with a physical-block-size of 8192 and 
most of the file systems i sent over reported approximately 2-3x more 
disk usage than on the systems that were using the 512b advertised value.

if 8k is properly aligned, does that mean the zpools built on 512byte 
sectors, using the same drives, are under reporting their utilization?

Can someone give me some color on what i am seeing? I am going to setup 
another system at 512b and send the seemingly over inflated file system 
back to see if it magically shrinks.

thanks,
j.