Tag Archives: aix

[Ganglia] Installation demistified

Find within this entry a ganglia setup I just created today after reading lots of different webpages. The goal is to have 1 gmetad installation with only gmond serving the data. Installation and design is for IBM Powersystems, but should … Continue reading

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[AIX] Change FC settings without taking the system offline

If you need to change FC attributes try this little ‘one-liner’

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loopmount for iso mounting

Since TL4 in AIX 6 loopmount is a new tool to mount ISO files : loopmount -i cdrom.iso -o “-V cdrfs -o ro” -m /mnt

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HMC: Reset Password for powersystem

A useful document on how to work with HMC and powersystems (very old but still valid) which also describes how to reset the passwords for a powersystem if the ASMI user/pass is known. LINK  

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IBM PowerVM Best practice Update

I just read the PowerVM best practice redbook which has been released and updated last week. IBM now officially recommends using NPIV instead of VSCSI. Seems time flies when I first installed a VIOS with VSCSI. Still do like it … Continue reading

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VIOS 2.2.1.4 Installation instructions

IBM released VIOS 2.2.1.4 lately. Some companies do have “gold images” with all tuneables etc. set for the easy and fast installation. You should only get rid of specific ODM entries to install it without hassle afterwards. With the new … Continue reading

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Power5: Workload Partition management – delete LPAR off WPAR

If you try and delete an LPAR(VM) off a Power5 with HMC 7.3.4 you might run into a HSCL0589 error message.   IBM says, you should put the LPAR out of the workloadcluster. Normally this is achived via the LPAR … Continue reading

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AIX: Performance monitoring with Nagios

Some articles here will describe how to monitor the CPU performance of an LPAR and the implementation of some checks within Nagios.

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JFS to JFS2 migration on the fly

Found this little article: http://publib.boulder.ibm.com/infocenter/aix/v6r1/index.jsp?topic=/com.ibm.aix.cmds/doc/aixcmds1/alt_disk_mksysb.htm Describes the way how to automatically migration from JFS to JFS2 when the system is running with alt_disk_mkysb command and the option “-T”. -T Indicates that you want to convert JFS file systems to JFS2 … Continue reading

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Power Systems 2009 – LDAP & Kerberos

As usual for those blogentries, they will not describe the topic in detail, but more in a punctual way. Find below some infos about ldap and kerberos in an AIX environment:

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