Category Archive: VMware

Sep 05

VMware Power On from 3PAR ZDB

This post will guide you through the basic configuration, backup and restore (Power On/Live Migrate) for VEAgent backups (VMware) hosted on 3PAR storage systems. This functionality has been introduced with Data Protector A.09.04 (b104). While this guide is considered as a good starting point you should also check the ZDBAdmin.pdf and ZDBIntegration.pdf for complete documentation, list of limitations and troubleshooting procedures. Storage integration …

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Dec 30

Quiesced Snapshots for Exchange 2010 on vSphere 5.0

Due to an upgrade from vSphere 4.0 to 5.0 some of our virtual machines stopped working in VEPA/vStorage backup sessions. I’ve noticed that a quiesced snapshot using vCenter was not possible. I was able to fix the most of them by reinstalling VMware Tools to fix some VSS inconsistencies, but an Exchange 2010 VM caused …

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Dec 30

Drown a VM using Ressource Allocation

Just came across a strange effect, at least strange for a system administrator, related to VMware Ressource Allocation. When checking one of my virtual servers I’ve noticed a high memory usage compared to the running processes in Task Manager and Process Explorer. The barely no free RAM left. I was not able find a relation …

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Nov 29

Update Host Extensions using VUM

Have you ever wondered what happened to management agents the major server vendors provided in the past for VMware ESX? (e.g. HP Management Agents for VMware ESX) They have been moved into a more standardized framework within ESXi – the so called extensions. Those extensions are bundled with the regular ESXi installation media by most …

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Dec 08

VMware Tape Drive pass-through

If a tape drive comes up with VMW_SATP_ALUA rule in VMware vShpere (4.0 or later) you will most likely see input/output errors during backup operation on the VM you mapped to drive to. A working rule is VMW_SATP_LOCAL and you can change it using some simple steps. Note: As this issue is related to the …

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