vmware KB 2014323 PowerCLI to set qla2xxx option at cluster level

I’ve been facing very recently a naughty issue when I updated my vSphere 4.1u2 FCoE hosts to vSphere 5.0u1. Right after the migration to vSphere 5, majors’ performance issues appeared with the underling storage. I was facing read/write latencies of several thousand milliseconds which lead to dead path detection and of course I/O problem within … Read more vmware KB 2014323 PowerCLI to set qla2xxx option at cluster level

Update vSphere through VMware Update Manager with PowerCLI

I’m always amazed of what you can do with PowerCLI. Actually I’m having version 4.1 of vCenter/vSphere I’m using complete PowerCLI script to configure freshly installed vSphere. I was configuring everything but the last patches. VMware released for some times already a VMware Update Manager PowerCLI. It needs to be installed in addition of the … Read more Update vSphere through VMware Update Manager with PowerCLI

StorageVmotion an entire datastore with PowerCLI

Storage vMotion is one of the most astonishing features that VMware brought to the universe of virtualization. I’m certain that storage Admins will admit the migrating Data from on storage array to another can be quite complicated. On physical host it is almost impossible to do such migration without any downtime. Well, Storage vMotion accomplish … Read more StorageVmotion an entire datastore with PowerCLI

MSSQL 2008 Backup compression

Compression of DBs backup is a nice feature that came with MSSQL 2008 and later. It could be handy in some situation but of course, compression costs resources on the server. I did some tests with a MSSQL server on which I restored DBs of vCenter and VMware Update Manager from a real production environment. … Read more MSSQL 2008 Backup compression

vCenter MSSQL DBs backup and maintenance

Sometimes, when you are a Virtualization’s specialist you might not be a DB specialist. Unfortunately vCenter uses DBs, meaning that you will have to deal with them one time or another. Here I just wanted to give a little generic and easy to perform way for doing backup and maintenance for these DBs on MSSQL. … Read more vCenter MSSQL DBs backup and maintenance