There was a good discussion on twitter on memory overcommit and the value of memory overcommit and whether you should or should not use it in production. What struck me in this was that on a subject like this, there is so much misunderstanding although there is a lot of documentation available that can explain [...]
After reading verbeieren’s blog about vscsiStats, I was very interested to see what this tool could bring me. So I started to play with it and found that I needed some extra hints to get me started. Enough for another blogpost I thought.
With vscsiStats you can monitor the IO through the virtual SCSI controller of [...]
I frequently read postings on different forums about what the best LUN size is and I thought I’d write a post about it on how I usually do it.
First of all, there is no ideal LUN size that suites all environments. But I think there is a general calculation you can use to come to [...]
AP09 – Fast and easy disk workload characterization on ESX
(Richard McDougall)
When moving an I/O insensitive workload onto ESX, you’re always asking yourself: “Will it hold? Will it perform? Is there something I can tweak to make it perform better?”. In this session Richard showed some things to look at.
The key questions before moving [...]
VMworld Europe 2008 – AP03 – Virtualization of Microsoft Exchange Server ( the 16.000 mailboxes story)
After the keynotes this was my first session of the day and I was pleasantly surprised by the high technical level. If all sessions are like this one, VMworld will be a great event for me [...]
