Srikanth Chindam's Tech Docs++Views++IMP Notes

This Blog is for getting information on UNIX flavors such as RHEL/CentOS/SuSE/Ubuntu and AIX.

General

AIX - Tips n Tricks
AIX Commands Sheet
AIX Useful Links
AIX log files
DLPAR issues sorted out
Mirror lv copies at same site: (Cross site mirroring)
RHEL 5 to RHEL 6/7/8/9 Upgrade or Migration
To check which process is initiating those ssh connections

Tuesday, 9 August 2022

To find HMC from LPAR:

lsrsrc "IBM.MCP

Posted by Sri at 01:27

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Sri: Hey, this is Srikanth working in IT Infrastructure from about more than 13 years now. All of these materials have been gathered by me through my experience, IBM Redbooks, forums and other internet sources.. (I cannot guarantee everything works perfectly), so please look and think before you act.

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Kubernetes

How to Set Up a Three-Node Kubernetes Cluster on Ubuntu 20.04

General

AIX Commands Sheet (2)
AIX Useful Links (1)
AIX log files (1)
About Firmware (2)
Assiging original PVID to hdisk in AIX (1)
Difference between Hard Link and Soft Link (1)
Disk performance (1)
During mksysb backup If /tmp filesystem excluded (1)
Enable ftp and telnet in AIX and Solaris (1)
FTP (1)
File systems on CD-ROM and DVD disks (1)
Install and configure sudo in AIX (1)
Notes (1)
SOME AIX COMMANDS WE NEED TO PERFORM ON REGULAR BASIS (1)
SSH Upgrade in AIX (1)
To check which process is initiating those ssh connections (1)
To list contents from mksysb and restore (1)
Using alt_disk_copy (1)
rootvg Disk replacement (1)

AIX Tips N Tricks

AIX - Tips n Tricks (3)
File Systems to monitor in AIX (1)
Find out large files in perticular directory in AIX (1)
How can we unlock a SAN disk in AIX? (1)
Mirror lv copies at same site: (Cross site mirroring) (1)
To upload snap to IBM (1)

Logical Volume Management

File Systems
LVM hot spare
Mirror LV
Moving file systems from one volume group to another
Spreading logical volumes over multiple disks
To read VGDA info
VG types & differences

LINUX

Disable ipv6 on RHEL 4 and 5
FS extension/decrease in LINUX
Linux Performance Analysis
RHEL 5 to RHEL 6/7/8/9 Upgrade or Migration

ODM

About ODM
Removing/Restoring ODM information of a logical volume

Network

AIX N/W Issues
How to set/remove a static routes in AIX permanently
WWN (World wide Name) in AIX

NIM

About NIM
How to INSTALL VIOS over NIM
NIMADM

HACMP

HACMP Tips
netmon.cf file

HMC

Clearing HMC service events by command line
Command to activate/start LPAR from HMC
DLPAR issues sorted out
HMC User Management
HMC space issue
How to remove a dynamically allocated i/o slot in a DLPAR in IBM AIX
Moving an LPAR to other Frame -step by step procedure
To find HMC from LPAR
Upgrading Management Console only -- no impact to any server

VIO

Disk Replacement On VIO
LVM Errors when One Disk is Mapped from one VIOS to Multiple LPARs
NPIV with screen shots
What is VIO in simple terms

FAQ (8)

Install/Upgrades

AIX 6.1 Installation Tips
AIX ML/TL Upgradation steps
Complete VIO/Fix Pack upgrade with screen shots
Configure SEA and SEA failover with screen shots
VIO FIX PACK UPGRADE
VIO Migration and Fixpack updation Plan (day by day)

Basic Scripting

Script to GET PORT ADDRESS FOR SERVICES
Script to change FC card fc_err-recov and dytrunk value
Script to check AIX FILE SYSTEM UTILIZATION >90%
Script to delete failed path MPIO in AIX
Script to get all the FCS cards WWN numbers from a client.
Script to only select diskname and map to required vhost
Script to remove all the files except some using xargs command..
Scripts to bring backing defined device to available mode
VI Editor Commands
script to Delete all the hdisk devices EXCEPT the disks from rootvg in AIX
script to mount all the file systems of all the datavg

Training

H/W
LPM
NIM
lvm_device mgmt_perf-dump
powerHA
vio_npiv_lpm

Interesting Stories

English is really a crazy language !!!!
Interesting Stories !!!

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Tuesday, 9 August 2022

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