[CentOS] Centos 6 - What are you looking forward to?

aurfalien at gmail.com aurfalien at gmail.com
Fri Mar 4 20:13:41 UTC 2011

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,  
> 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

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