VMware LUN Sizes

October 24, 2008 — Leave a comment

Useful article discussing LUN sizes with VMware ESX

http://www.gabesvirtualworld.com/?p=68

My Thoughts

Size of the Virtual Hard Disks
+
Size of the RAM for Swap
+
15% for SnapShots
+
10 – 20% Free Space for log files

Personally I would only have 10 – 15 Virtual Machines per LUN, Keeping extremely large / heavy use machines separate. Use RDM’s for things like large SQL / Exchange Stores as you then then make use of SAN advanced features.

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