A week ago a colleague contacted me about the fact that he had issues with load balancing on “Virtual Port ID”. Only a single NIC was utilized while running over 10 VMs on a single host. When changing the order of the NICs the traffic would flip over but again no load balancing. I remembered a KB article from months [...]

I was just reading this article on the Malaysia VMware Communities website I’ve read a couple of article on their website that didn’t make sense but this this time I’m going to respond cause it might set people on the wrong foot. Anyone is of course entitled to their own opinion and views, but please reread your article and check [...]

I have been requested by several people to do an update of my original Service Console Redundancy article. Although personally, I am still of the opinion that the three options stated in the article are still valid I have rewritten them and dropped one option, as now a days the majority of companies now have a decent infrastructure with vlan’s.

I just received an email from a fellow consultant about a customer which had vCenter tasks time-out every once in a while. At times also ESX hosts got disconnected for no apparent reason at all. He discovered the following article by Richard Blythe aka VMware Wolf: ESX disconnects randomly or when doing VI client tasks from VC, task randomly timeout [...]

VMware just released 9 new patches for ESX 3.5: ESX350-200901401-SG – PATCH – Security – KB 1006651 – Updates VMkernel VMX hostd. But most important fix that this patch containts definitely is: VMware ESX and ESXi 3.5 U3 I/O failure on SAN LUNs, and LUN queue is blocked indefinitely. For a full description of this issue, see http://kb.vmware.com/kb/1008130. ESX350-200901402-SG – [...]

I was talking to a fellow consultant today. He ran into the following error messages at one of his customer sites: vmkernel: 8:18:59:58.640 cpu2:1410)WARNING: Heap: 1370: Heap_Align(vmfs3, 4096/4096 bytes, 4 align) failed. caller: 0x8fdbd0 vmkernel: 8:18:59:58.640 cpu2:1410)WARNING: Heap: 1266: Heap vmfs3: Maximum allowed growth (24) too small for size (8192) During the conversation I knew I’d seen this problem before. [...]

A few weeks ago I posted a document which contains valuable information on implementing VMware HA. I just received an update on this document and uploaded it. I’ve also changed the link in the original post. As most of you know I work for VMware which means I receive a huge amount of email and documents with excellent technical info. [...]