IANA AIX Expert, nor do I play one on TV but I think there is where the
P6 series differs from the P5's.  In the P5's you had a Hypervisor
backplane that required the multiple interfaces.  Now in the P6 series I
think, and I could be wrong here, they've made improvements to the IVE
and now it's seamless (or at least supposed to be seamless).

Geoff Stafford
Barclaycard US
Data Protection Engineering
office: 
mobile: 

-----Original Message-----
From: Dale King [mailto:dale AT daleking DOT org] 
Sent: Thursday, July 31, 2008 9:00 PM
To: veritas-bu AT mailman.eng.auburn DOT edu
Subject: Re: [Veritas-bu] IBM Pseries backups over IVE

On Thu, Jul 31, 2008 at 05:21:55PM -0400, Stafford, Geoff wrote:
> Anyone ever configured Pseries backups this way?  I have searched far
> and wide
> and have not been able to find any BDPs for backing up this hardware.

Yes, we've done it this way on p5.  You will need to tweak host files on
your master server as your internal VLAN is not visible to the master,
so the metadata needs to go via the external LAN address.  The actually
backup data is then constrained to the high speed internal VLAN.

Don't forget to change the MTU on the interfaces on the internal VLAN
NIC
- we use 65394 which dramtically reduces hypervisor overhead due to
fragmentation.  Note that this won't work if you intend to route your
internal VLAN externally.

HTH,
Dale



Barclays             www.barclaycardus.com

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