Systems Administration
vi trick of the day. Convert data from upper to lower
Data looks like this DFW1HCMDB999 dfw1hcmdb998 :%s/.*/\L&/g Suddenly the data is lower case.
hardware
Performance
Scripting
Getting EMC disk ID’s.
We want storage to check performance on three possibly problematic LUNS. Need to get the…
hardware
Systems Administration
VxVM Veritas Volume Manager
Replacing a bad vxvm boot disk. HP-UX 11.23 PA-RISC
So you lose a boot disk on a vxvm booted system. You hot replace the…
LVM
Systems Administration
VxVM Veritas Volume Manager
How to not blow up a vxvm boot HP-UX system when breaking the mirror
This is an improvement to fixing the problems if you do blow things up. Click…
hardware
Systems Administration
Hot replacement of an HBA/NIC card (rx8640). No downtime.
Take note of the fcmsutil output below. One of the fiber cards has failed here.…
hardware
LVM
Scripting
Systems Administration
Online JFS filesystem expansion without umount
This requires add in software from Veritas/Symmantec that can be expensive on HP-UX. Lets say…
LVM
Systems Administration
VxVM Veritas Volume Manager
Taking apart a blown up vxvm boot system
Scenario: vxvm boot system shut down decommissioned. It was left off for over a year.…
Networking
Patching & Updates
Systems Administration
When swinstall will not install: What to check
I've just been through another frustrating battle with swinstall and wanted a complete what to…
LVM
Systems Administration
VxVM Veritas Volume Manager
Force umount when a file system won’t umount
Lets say we have a file system mounted as /stuck umount /stuck Mount Point busy.…
LVM
Scripting
Systems Administration
awk trick of the day(month?) parsing bdf output. awk with if else logic
Ever try and do system reporting based on bdf? Annoying as all heck that sometimes…
