RE: Hosted LPAR - Virtual Ethernet via Layer-2 Bridge vs using SR-IOV

Larry,

I currently have 3 5767 2-Port 10/100/1000 Base-TX Ethernet PCI Express Adapter, one on each of 3 LPARS.
On each LPAR, both ports are used, two interfaces, two IPs, the port and IP is behind a second firewall.

Can I accomplish this with 1 SR-IOV capable card, with the same requirements above?

Paul

-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of DrFranken
Sent: Wednesday, December 02, 2015 9:09 AM
To: Midrange Systems Technical Discussion
Subject: Re: Hosted LPAR - Virtual Ethernet via Layer-2 Bridge vs using SR-IOV

Correct 5899 is traditional quad port Gig-E adapter and it gets assigned in it's entirety to a single partition.

You'd probably want the #EN17 which has two GbE copper and two 10GbE Fiber connections. Each port can be share with up to 16 partitions.

The other option is the EN15 which has four 10GbE Fiber ports.

Note that you must have an HMC and it's minimum code level is 7.7.9. Of course if you have POWER8 servers then minimum is Version 8.

You would have more than one for the same reasons as always, card failure, slot failure, finger check (pulled wrong cable), or the switch on the other end fails etc.

- Larry "DrFranken" Bolhuis

www.Frankeni.com
www.iDevCloud.com - Personal Development IBM i timeshare service.
www.iInTheCloud.com - Commercial IBM i Cloud Hosting.

On 12/2/2015 8:44 AM, Steinmetz, Paul wrote:

Larry,

I originally thought the 5899 was SR-IOV capable, but appears not.

1) What feature do you recommend as a viable replacement?

2) If using SR-IOV for Ethernet, is there any reason to have more than 1 Ethernet adapter?

Paul

-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of
DrFranken
Sent: Wednesday, December 02, 2015 12:55 AM
To: Midrange Systems Technical Discussion
Subject: Re: Hosted LPAR - Virtual Ethernet via Layer-2 Bridge vs
using SR-IOV

Either is valid, your call. If you are purchasing new Ethernet then get an adapter that is SR-IOV capable, if you already have adapters such as FC #5899 and don't want to add more then use the bridge.

- Larry "DrFranken" Bolhuis

www.Frankeni.com
www.iDevCloud.com - Personal Development IBM i timeshare service.
www.iInTheCloud.com - Commercial IBM i Cloud Hosting.

On 12/1/2015 2:15 PM, Steinmetz, Paul wrote:

When creating virtual Ethernet on a hosted LPAR, should I continue to use the Layer-2 bridge (from Pete Massiello PDF - Building Virtual IBM i partitions on hosted IBM i).
Or
Should/Can SR-IOV be used instead?


Thank You
_____
Paul Steinmetz
IBM i Systems Administrator

Pencor Services, Inc.
462 Delaware Ave
Palmerton Pa 18071

610-826-9117 work
610-826-9188 fax
610-349-0913 cell
610-377-6012 home

psteinmetz@xxxxxxxxxx<mailto:psteinmetz@xxxxxxxxxx>
http://www.pencor.com/

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