Many sites still only utilize HP’s PV-Links/Alternate-Links product to provide a simple failover for SAN connected disks. This product doesn’t do load balancing to spread out load, and is simply a failover if one of your SAN paths goes away.
This works great for redundancy, but with a little planning, you can accomplish simple [...]
Tag Archives: hpux
Simple Load Balancing with PV-Links [HPUX]
December 18, 2009 – 5:15 am
Cloning a Volume Group [hpux]
December 17, 2009 – 8:30 pm
Often I am asked to clone an entire Volume Group including all of the logical volumes contained. This can be a tedius task when the Volume Group contains a hundred or so logical volumes.
This request is often used for testing software releases, deployments, etc.
I’ve use this script at least a dozen times per month, and [...]
Fixing missing devices (NO_HW) on HPUX
September 15, 2009 – 5:53 am
This last weekend, after some SAN changes, some of our HPUX systems experienced problems where either one of the hardware path’s to disk devices changed or the only path on some tape devices changed. Of course, this wasn’t found out about until Monday morning…
A reboot would have fixed this — but I don’t like rebooting [...]
Determining if your kernel and hardware is 32bit or 64bit
June 13, 2009 – 11:07 am
I’m often asked by end-users, developers, and fellow system administrators, how to determine if the installed OS is 32bit or 64bit. I’m also asked if the hardware is capable of 64 bit, 32 bit, or both. Here is how to tel by OS:
HPUX
# getconf KERNEL_BITS
64
This will tell you if your currently running kernel is 64 [...]