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DLPAR not doing it for you anymore?
I received an email from one of my customers recently that simply said: “mate …on lpar30, for some reason the IBM.DRM and others are failing to start .. um .. any chance you could have a quick look at that ?” So I asked, “OK, so this use to work right?”. To which I received a relatively confused reply, ” .....yep it did....actually no....it’s never worked....or has it???...I’m not sure... ”. Based on my experience, the most common issue that prevents DLPAR operations... [More]
Tags:  gibson chris dlpar aix |
VLAN tagging and the VIOS: some questions and answers.
Here are some questions I received recently regarding VLAN
tagging on the VIO server. My answers are shown in green . “Hi Chris, Q: I’m trying to
understand when, where and why there would be the need to use ‘mkvdev –vlan
(etc.) on the VIOS, and I’m wondering whether you would be able to clarify this
for me, please. Is it necessary to add
the VLAN tag devices to the SEA, or is it suffice to just have them defined
within the Virtual Ethernet itself which is part of the SEA?” A:
It is suffice to simply define the VLAN ids assigned... [More]
Tags:  tagging ent6 sea virt_adapters=ent3 vlan power7 hmc tag -attr mkvdev ent5 -dev -vlan chdev dynamic dlpar |
DLPAR and AIX 5.3
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 |
DLPAR event history on the HMC
You can use the HMC lssvcevents command to view DLPAR event history. In the following example, I’m looking for “Add processor” related DLPAR events, over the last 30 days, for a specific LPAR. $ lssvcevents -t console -d 30 | egrep 'Add processor|DLPAR' | grep s82861p22_nim time=12/01/2016 00:48:33,text=HSCE2209 User name hscroot: DLPAR Add processor resources to partition s82861p22_nim succeeded on managed system Server-8286-42A-SN214F55V Search for all DLPAR events over the last 30 days. $... [More]
Tags:  gibson aix hmc dlpar lssvcevents events history chris |
AME activation key identification
In a previous post I discussed how you can identify some of the different types of a PowerVM Capacity
on Demand (CoD) activation keys from IBM. Recently I had to Activate Memory Expansion (AME) on a
couple of POWER7 systems. I discovered that all of the keys contained a similar
string. It appears that if a CoD key contains the string CA1F0000000800 then it is safe to assume it will activate
AME for a particular system. e.g. 9741EF3AE6969F17 CA1F0000000800 419D 937A1240F00F5B05 CA1F0000000800 413D And while I’m talking about AME,... [More]
Tags:  lshwres ca1f0000000800 active_memory_expansion powervm ame power7 chris_gibson curr_mem_expansion chhwres mem_expansion pend_mem_expansion dlpar aix |