DS8000: Code (Firmware) Recommendation

DS8000 Code Recommendation can be found here:
http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004456&myns=s028&mynp=OCST8NCA&mynp=OCSTXN8P&mynp=OCSTUVMB&mynp=OCHW2C2&mynp=OCHW2B2&mync=E

Power: PowerVM 2.2.3 enhancement announcement

IBM PowerVM version 2.2.3 has been enhanced with the following:

AIX: How to list disk size using getconf

Disk size in AIX can be listed by this command:

for i in `lsdev -Cc disk | awk '{print $1}'`
do
echo "$i \c"
getconf DISK_SIZE /dev/$i
done

TSM: Basic - Extended Edition: drive and storage slots limit

For IBM Tivoli Storage Manager version 5.4 and later, to use a library with greater than 4 drives or greater than 48 storage slots, IBM Tivoli Storage Manager Extended Edition is required.

AIX: migratepv 0516-404 allocp: This system cannot fulfill the allocation request

I have faced issue with migratepv command.
I wanted to migrate PPs from hdisk3 to hdisk2 in same scalable volume group.
Command has failed even there were enough PPs on hdisk2.


migratepv hdisk3 hdisk2
0516-404 allocp: This system cannot fulfill the allocation request.
        There are not enough free partitions or not enough physical volumes
        to keep strictness and satisfy allocation requests.  The command
        should be retried with different allocation characteristics.
0516-132 lmigratelv: Incorrect entry in partition map file.
0516-134 lmigratelv: Received: 00f73e7044ccd502 110

0516-136 lmigratelv: Error reading input map.
0516-812 migratepv: Warning, migratepv did not completely succeed;
        all physical partitions have not been moved off the PV.

I had to run reorgvg to fix this issue.
It seems to be a bug in LVM because I can't see any reason of described behavior.

TSM: Formatting select command output to return in table format

How to format output as table from select command in TSM?

You can find "how to" in IBM technote bellow:
http://www-01.ibm.com/support/docview.wss?uid=swg21502715

AIX: difference between df and du

Why Numbers from "du -s" and "df" disagree / differ?

Answer can be found on these websites:

IBM Technote:
http://www-01.ibm.com/support/docview.wss?uid=isg3T1000401

Another blog:
http://lokams.blogspot.cz/2008/03/why-is-difference-between-du-and-df.html

Windows: How to list installed updates in command line using wmic commad

This command can be used to list installed updates / fixes / hotfixes from command line in a windows based system:

wmic qfe list
and you can "grep" string from the output:
wmic qfe list  | findstr "940349"

IBM LTFS Single Drive Edition (SDE) free download

Single Drive Edition of LTFS (Linear Tape File System) is for free and available to download from the IBM Support website: http://www.ibm.com/support/fixcentral
Select:
Storage Systems > Tape Systems > Tape Device Drivers and Software > Linear Tape File System (LTFS)

Downloads are available for Linux, MAC OS and Windows
For supported tape systems and supported Operating Systems see the detailed specifications and overview:
http://www-03.ibm.com/systems/storage/tape/ltfs/specifications.html

IBM Tiered storage for big data: GPFS & LTFS

Interesting article about BigData and integration of GPFS and LTFS
http://www.zurich.ibm.com/sto/systems/bigdata.html

TSM: IBM Tivoli Storage Manager V5.5 End of Support EOS 04/30/2014

Software withdrawal and service discontinuance (EOS): IBM Tivoli and IBM Security selected products
IBM United States Withdrawal Announcement 913-063
April 9, 2013
5608-ISM  IBM Tivoli Storage Manager V5.5                                04/30/2014
5608-ISX  IBM Tivoli Storage Manager Extended Edition V5.5      04/30/2014

Source:
http://www-01.ibm.com/common/ssi/cgi-bin/ssialias?subtype=ca&infotype=an&appname=iSource&supplier=897&letternum=ENUS913-063#h2-wprodx
http://www-01.ibm.com/support/docview.wss?uid=swg21635108&lnk=uctug_tivoli_nwsltr_TSM

TSM: PERFORM LIBACTION new command which defines and delete TSM libraries containing large number of drives in TSM server 6.3

New command “PERFORM LIBACTION” has been introduced in TSM server version 6.3.

This command defines and deletes TSM libraries containing large number of drives.
Valid for library type VTL and SCSI.

More information about syntax can be found here:
http://pic.dhe.ibm.com/infocenter/tsminfo/v6r3/index.jsp?topic=%2Fcom.ibm.itsm.srv.ref.doc%2Fr_cmd_libaction_perform.html

TSM: Upgrade recommendations for TSM V6 server

How-to can be found here:
http://www-01.ibm.com/support/docview.wss?uid=swg21508619&myns=swgtiv&mynp=OCSSGSG7&mync=E

TSM & GPFS: How to schedule a backup of a GPFS using multiple nodes to share the workload

Examples of how to schedule a backup of a GPFS file system:

TSM for VE: VM Backups and Version Controlling

Problem(Abstract)

Tivoli Storage Manager for Virtual Environment backups versions controlled description.

TSM for VE: Steps for mounting a Windows dynamic disk using iSCSI

How to perform a mount of a Windows dynamic disk in the Tivoli Storage Manager Recovery Agent for individual file restores?

Answer can be found there:
http://www-01.ibm.com/support/docview.wss?uid=swg21622705&myns=swgtiv&mynp=OCSS8TDQ&mync=E

Quick setup guide for HACMP/PowerHA 5.x or 6.x

http://www.torontoaix.com/hacmp-powerha-how-to-faqs/quick_setup_hacmp

Recommended AIX Virtual Memory Manager settings for DB2 database product

You can find there recommended AIX® Virtual Memory Manager settings for DB2® database product....

http://www-01.ibm.com/support/docview.wss?uid=swg21328602

PowerHA SystemMirror for AIX v7.1 Two-Node Quick Configuration Guide

http://www-03.ibm.com/support/techdocs/atsmastr.nsf/WebIndex/WP102216

The purpose of this document is to provide the steps to quickly configure a two-node PowerHA v7.1 cluster primarily using SMIT. If your looking for good reference for using the CLI, clmgr, to perform these task then check out Bill Miller’s doc on the subject at:
http://www-03.ibm.com/systems/resources/systems_power_software_availability_clmgr_tech_guide.pdf

UNIX: commands that can be used for performance-related issues

Here are summed up commands that can help identify performance related issues in UNIX systems:

TSM: Comparison of Random Access (DISK) and Sequential Access (File) Devices

Table bellow compares Random Access (DISK) and Sequential Access (File) Devices in TSM.

IBM Power Systems to AIX version maps

Do you need to check whether the version of AIX installed in your environment is supported on new Power server?

I've migrated LPAR with AIX 5.3 TL12 SP4 from Power 570 running on Power 6 CPU to Power 710 server and AIX have not known PCIe ethernet adapter.

So I have had to upgrade AIX to version 6.1 in order to have this device supported.

Let's check AIX to Power system dependency on IBM Website "System to AIX maps".

Compatibility can be also checked on "Fix Level Recommendation Tool" website:
http://www14.software.ibm.com/webapp/set2/flrt/home

Example of System to AIX map: