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Shared Storage Pools 2 - Thin provisioning, monitoring free space + Alerts
Hi, I just release a fifth hands-on movie this month and on this interesting topic. You can find the movie here: Shared Storage Pools 2 - Thin provisioning, monitoring free space + Alerts Shared Storage Pool Thin provisioning is pretty cool and saves a lot of disk space . Effectively the 100's of GBs of unused disks space in 100's of Virtual Machines (LPARs) are bought together in one place in the Shared Storage Pool and then can be used for real. All this without the use of clever disk subsystems. The risk is that you use all the disk... [More]
Marcações: monitoring power7 space vios powervm thin provisioning and alerts free aix |
Shared Storage Pools 2 - Up and Running + some New Information
At last I have got round to rebuilding my Shared Storage Pool cluster of machines. We have the four VIOS limit. So I was thinking: For machines with Dual Virtual I/O Servers - the options are limited so I would pair up machines for mutual Live Partition Mobility. For machines with single VIOSs - I would create a cluster of four machines for some extra flexibility and LPM across any of the machines. The "cluster -create" command to make the first node of the cluster too about 3 minutes and the "cluster -addnode" command... [More]
Marcações: powervm shared storage aix7 2 good and up vios running power7 information pools some - + |
Java on AIX Tuning Tool for Power & a Whitepaper for Java on Power7
I just noted two great new things to help those running Java on AIX and it seems hard to avoid Java these days! I was just monitoring a customer machine with 1500 WebSphere Application Servers (WAS) each with 100 to 150 threads so roughly 200,000 threads!!! More impressing was that just 20 Power7 physical CPUs was supporting this workload. So here are two things that can help: 1. Java Performance Advisor (JPA) Available for download to anyone on IBM DeveloperWorks website. This is a powerful new tool to help people identify opportunities to... [More]
Marcações: whitepaper best tuning power6 tool on power7 practice aix and java |
