Tanti Technology

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Multi-platform UNIX systems consultant and administrator in mutualized and virtualized environments I have 4.5+ years experience in AIX system Administration field. This site will be helpful for system administrator in their day to day activities.Your comments on posts are welcome.This blog is all about IBM AIX Unix flavour. This blog will be used by System admins who will be using AIX in their work life. It can also be used for those newbies who want to get certifications in AIX Administration. This blog will be updated frequently to help the system admins and other new learners. DISCLAIMER: Please note that blog owner takes no responsibility of any kind for any type of data loss or damage by trying any of the command/method mentioned in this blog. You may use the commands/method/scripts on your own responsibility. If you find something useful, a comment would be appreciated to let other viewers also know that the solution/method work(ed) for you.

Monday, 11 November 2013

STEP BY STEP -CREATION OF LPAR

DOCUMENT TO CREATE LOGICAL PARTITION (LPAR )

GO TO HMC SELECT MANAGED SYSTEM IN WHICH YOU WANT TO CREATE LPAR 
>> SELECT THE MENU SHORTCUT BESIDES THE MANAGED SERVER OR SELECT TASKS FROM TOP >> SELECT CONFIGURATUONS >> SELECT CREATE LOGICAL PARTITION



PROVIDE THE NAME OF LPAR AND LPAR PROFILE NAME AS SHOWED IN THE NEXT SCREEN 


PLEASE SELECT THE NAME OF THE LPAR AND PROFILE NAME BY DETERMINING A NAMING SCHEME THAT SUITS FOR YOUR ENVIRONMENT 









THE NEXT OPTION GIVES YOU DETAILS ABOUT SELECTING PROCESSOR SCHEME 
THE CURRENT OPTIONS ARE SHARED AND DEDICATED 
IF YOU SELECT SHARED PROCESSOR YOU CAN CONFIGURE MICRO PROCESSOR 
IF YOU SELECT DEDICATED PROCESSOR YOU CAN ASSIGN WHOLE (PHYSICAL) PROCESSOR ONLY 
NOTE IF APV IS NOT ACTIVATED ON THE PARTITION THE SHARED OPTION COULD NOT BE SELECTED AS SHOWN IN THE FIGURE BELOW



SELECT MINIMUM MAXIMUM AND DESIRED PROCESSOR VALUE 
MINIMUM PROCESSOR IS THE VALUE WITHOUT WHICH THE LPAR COULD NOT BE STARTED 
DESIRED IS THE OPTIMUM VALUE IN IDEAL CONDITION IF THE RESOURCES IS AVAILABLE AND LPAR WILL TRY TO AQUIRE THAT VALUE IF AVAILABLE 
MAXIMUM VALUE IS THE VALUE ABOVE WHICH THE LPAR CANNOT AQUIRE EVEN IF THE RESOURCE IS AVAILABLE IN SHARED POOL

READ THE LINK TO KNOW MORE ABOUT SHARED PROCESSOR

http://publib.boulder.ibm.com/infocenter/powersys/v3r1m5/index.jsp?topic=/iphat/iphatsharedproc.htm



IF APV ACTIVATION CODE IS PROVIDED YOU CAN SELECT  SHARED OPTION ALSO 
SELECT SHARED OPTION AND YOU CAN SEE LOTS OF NEW OPTIONS IN THE NEXT IMAGE 




IN THE ABOVE IMAGE THE OPTIONS WERE MIN PROC DES PROC AND MAX PROC
NOW YOU CAN FIND MIN PROC UNITS DES PROC UNITS AND MAX PROC UNITS IT CLEARLY SHOWS THAT NOW YOU CAN CONFIGURE MICRO PARTITIONS

YOU ALSO HAVE TO ASSIGN VIRTUAL PROCESSORS ACCORDING TO THE PHYSICAL PROCESSOR PROVIDED 

YOU CAN KNOW MORE ABOUT VIRTUAL PROCESSORS BY READING FOLLOWING DOCUMENT

http://publib.boulder.ibm.com/infocenter/powersys/v3r1m5/index.jsp?topic=/iphat/iphatvirtualproc.htm

TO KNOW HOW MUCH VIRTUAL PROCESSOR YOU NEED READ THE DOCUMENT
http://publib.boulder.ibm.com/infocenter/idshelp/v10/index.jsp?topic=/com.ibm.admin.doc/admin242.htm


PROVIDE MINIMUM MAXIMUM AND DESIRED MEMORY SETTING FOR THE LPAR
THE CONCEPT FOR MINIMUM MAXIMUM AND DESIRED VALUES ARE SAME AS PROCESSOR



PROVIDE THE IO ADAPTER , FOR EXAMPLE IN A TYPICAL CONFIGURATION  PROVIDE A FC ADAPTER AS REQUIRED AND A CDROM/DVD ADAPTER IF AVAILABLE AS DESIRED , ALSO PROVIDE A NETWORK ADAPTER AS REQUIRED




OR CREATE VIRTUAL SCSI ADAPTER AND VIRTUAL ETHERNET ADAPTER ON THE LPAR 

 SELECT BOOT MODE AND OPTIONAL SETTING OF THE LPAR





IN THE END IT WILL SHOW YOU SUMMARY OF LPAR JUST CREATED



YOU CAN NOW FIND THE NEWLY LPAR CREATED , SELECT THE FAST PATH MENU BESIDES THE LPAR AND SELECT ACTIVATE



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