Re: VIOS iSCSI vs. Fibre Channel with NPIV

[DrFranken <midrange@xxxxxxxxxxxx>]

An FYI Here. A big problem with the performance of much internal disk 
hosted by VIOS was due to the block sizes and IBM i's need for those 
extra 8 bytes (512 to 520.) With current updates to VIOS and current 
PTFs to IBM i this issue has (FINALLY) been resolved for decent 
performance. And the fix is actually pretty darn intelligent!

However you will *N*E*V*E*R* get me to use VIOS on internal disk to host 
IBM i partitions again. Ever. Got the crit-sits to back that up.

VIOS for SAN disk, WHOLE different ballgame, no issue there.

        - Larry "DrFranken" Bolhuis

www.frankeni.com
www.iDevCloud.com
www.iInTheCloud.com

On 11/14/2014 1:09 PM, rob@xxxxxxxxx wrote:

> +1 on that.  Internal VIOS hosted disk was poor to abysmal.  Switching to
> IBM i hosting to other IBM i and AIX was much better.  VIOS is better
> suited to serving up SAN disk, tape, ethernet.
>
>
> Rob Berendt