Re: [Veritas-bu] How to use different network interfaces

Haven’t done it on HP-UX. It is called Auto Port Aggregation (APA) there.

These links will help:

http://docs.hp.com/en/J4240-90035/ch01.html
http://docs.hp.com/en/J4240-90037/J4240-90037.pdf

It requires APA software which costs – see:

http://h20392.www2.hp.com/portal/swdepot/displayProductInfo.do?productNumber=J4240AA

From: veritas-bu-bounces AT mailman.eng.auburn DOT edu [mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of Curtis Preston
Sent: Sunday, November 04, 2007 11:46 PM
To: Martin, Jonathan; Barber, Layne Mr CTR US DISA CDM2; Veritas-bu AT mailman.eng.auburn DOT edu
Subject: Re: [Veritas-bu] How to use different network interfaces

If you can figure out how to do THAT, it would certainly be preferable to the NBU method.

---

W. Curtis Preston

Backup Blog @ www.backupcentral.com

VP Data Protection, GlassHouse Technologies

From: veritas-bu-bounces AT mailman.eng.auburn DOT edu [mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of Martin, Jonathan
Sent: Wednesday, October 31, 2007 6:12 AM
To: Barber, Layne Mr CTR US DISA CDM2; Veritas-bu AT mailman.eng.auburn DOT edu
Subject: Re: [Veritas-bu] How to use different network interfaces

My knowledge of HP-UX is limited, but can you bind the interfaces (assuming they are on the same subnet?) You could give both interfaces the same IP and have the switch "load balance" the connections for you. I've successfully done this on Solaris, Linux and Windows. I would assume HP-UX has something similar.

-Jonathan

From: veritas-bu-bounces AT mailman.eng.auburn DOT edu [mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of Barber, Layne Mr CTR US DISA CDM2
Sent: Wednesday, October 31, 2007 8:27 AM
To: Veritas-bu AT mailman.eng.auburn DOT edu
Subject: [Veritas-bu] How to use different network interfaces

First off, NBU 6.0MP5, HP-UX.

I have a master/media server with an STK L180 library and an Scalar24 library. The L180 is used for “normal” backups. The Scalar24 (which has only 2 LTO-3 drives) was added as part of a special project to migrate several clients to a different location. Basically backup those clients, send the tapes to new location and restore the data.

In an effort to increase the data through-put, I added 2 additional GB network connections. So now I have the following interfaces:

Jac01.x.x.x Gigabit (original interface for non migrating clients)

Jac01v1.x.x.x Gigabit

Jac01v2.x.x.x Gigabit

How can I best configure NBU to have as much data as possible stream to the 2 LTO-3 drives in order to speed up the backups? I know I could create an STU on each interface and set the policies to use them, but that would seem to just make the jobs wait as other jobs tie up the drives. What about using the “specified network interface” for the clients? If I do that, how can I verify that the data is actually moving on the new interfaces instead of the original?

Help?

Thank You,

Layne Barber
MCSE 2K 2K3, Master-CNE, CompTIA A+, Security+
Systems Analyst I
Unisys Corp.
DISA Montgomery

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