Monthly Archives: August 2012

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 Advertisements

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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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VIO server MPIO settings

A picture I found within an presentation from IBM which sums up the recommended MPIO settings for all VIO servers you are administering.            

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AIX: extended logging

If you wanna have all history logged there are probably many ways and methods: This one is one way we do the logging:   /etc/profile . /sbin/log.sh /sbin/log.sh function log {         if [[ $- = *i* ]]; then                 … Continue reading

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