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Chris Gibson's AIX and PowerVM blog.
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DLPAR and AIX 5.3

cggibbo 270000TMUJ | | Comments (3) | Visits (25983)

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I’ve shared my tips for resolving DLPAR problems in the past . So this week, when one of my colleagues was experiencing an issue with DLPAR, I referred him to my blog post and suggested he follow the troubleshooting steps. He did so and I went about my business. Later that same day I asked him how he had fared. He told me that DLPAR was still not working on his particular AIX LPAR. It was an AIX 5.3 system and he was attempting to another Virtual Processor to the LPAR. He expressed his frustration with the situation, so I offered to take... [More]

Tags:  ibm.drm csm.client csm_core aix lssrc dlpar csm_client lpar lsrsrc chris_gibson

Using a post-migration script with nimadm

cggibbo 270000TMUJ | | Comments (3) | Visits (25203)

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I’ve received a couple of requests for an example of using a post migration script with nimadm . What follows is a simple example of using such a resource with NIM. If you are not familiar with the nimadm tool then perhaps you’d like to start first by reading my article on using nimadm to migrate to AIX 6.1.   The nimadm utility can perform both pre and post migration tasks. This is accomplished by running NIM scripts either before or after a migration. The tool accepts the following flags for pre and post migration script resources:  ... [More]

Tags:  script aix post-migration nim chris_gibson nimadm

Make sure you monitor file system space on your VIOS.

cggibbo 270000TMUJ | | Comments (5) | Visits (29942)

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Make sure you are monitoring file system space on your VIOS.   Why?   If you run out of space in the root file system, odd things can happen when you try to map virtual devices to virtual adapters with mkvdev .   For example, a colleague of mine was attempting to map a new hdisk to a vhost adapter on a pair of VIOS. The VIOS was running a recent version of code. He received the following error message (see below). It wasn’t a very helpful message. At first I thought it was due to the fact that he had not set the reserve_policy attribute... [More]

Tags:  this_may_or_may_not_indic... root_filesystem_is_full vios aix mkvdev cli_debug=33 powervm 0514-548 chris_gibson the_command's_response_wa...
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