On Mar 4, 2011, at 12:11 PM, John R Pierce wrote:
> IBM Power servers since the Power4+ CPU (they are up to Power7 now)
> have
> hardware partitioning support, commonly known as LPAR. LPAR can be
> divided in units of 1/10th of a CPU. The software to manage this is
> now called PowerVM (its been called other names in the past, not all
> polite).
>
> In addition, AIX 6.1 and newer have Workload Partitions (WPAR), which
> are similar to Solaris Zones, these allow subdividing an AIX install
> into an arbitrary number of apparently different systems that all
> share
> the same kernel.
>
> LPAR plus VIOS (Virtual IO System, actually a stripped down
> preconfigured AIX system) corresponds to the Xen model, however the
> base
> hypervisor capability is built right into the CPU and IO hardware,
> VIOS
> just provides management and optional virtualized IO. You can
> assign IO
> adapters directly to partitions, whereupon the partitions (VMs) run
> even
> if VIOS is shut down. The newer Power6 and 7 servers have Ethernet
> adapters that provide each LPAR with its own hardware-virtualized
> ethernet adapter so you don't need a cage full of cards, or run all
> the
> networking through VIOS.
>
Wow, thats awesome, thanks for the John.
- aurf
_______________________________________________
CentOS mailing list
CentOS@xxxxxxxxxx
http://lists.centos.org/mailman/listinfo/centos
