What i miss in all vsphere design books

There are a lot vsphere design books out there. The books i have are. Mastering VMware vSphere 4 Scott Lowe VMware VSphere and Virtual Infrastructure Security: Securing the Virtual Environment  edward haletky vmware esx advanced technical design guide ron oglesby and scott herold VMware Infrastructure 3: Advanced Technical Design Guide and Advanced Operations Guide ron [...]

watch out with pinpointing vm to esx host

  In esx 4 its possible to make a drs group and choose the option to pinpoint a vm to an esx host. What i did is making a vm drs group with only one vm in it and a host drs group with only one esx host in it. Then i made a drs [...]

detect memory leak

  Sometimes you can have a slugy server.  And still in this time (2010) there are applications that somehow have a memory leak. I had this recently with a new datawarehouse application. The symptons where that virtualcenter started swapping memory and started ballooning. Also the % commited bytes in use (memory\% committed bytes) for the [...]

some lessons learned vm hardware upgrade to version 7

Before i decided to upgrade the virtual hardware from version 4 to version 7 i googled a bit to find out if i would run into some issues. At that time i didn’t find anything. The question i had myself was if the mac address will change because some license servers need the same mac address. [...]

First impression of qnap ts509-pro.

Yesterday I received my qnap ts509. Of course I unpacked it like a little child and couldn’t wait to get it fired up. Unfortunally the raid5 setup and format of 7 TB took more than 8 hours to complete. So today was the first day I could try out the qnap. I received some iometer [...]

powercli set-multipathpolicy

In big vmware environments with a lot off physical vmware servers it can be a pain in the ass to load balance the luns between the different hba’s. Especially when you have to use the fixed path policy and have an active/active san. I always try to set all the even luns to the hba [...]

vim.fault.HostConnectFault: Failed to acquire session manager while querying for local ticket. (503 Service Unavailable)

when booting up my test esx 4.0 machines i could not connect to the esx hosts through the vi client, i could connect to the esx host with putty but running a command like   vmware-cmd –l gave me a error like this vim.fault.HostConnectFault: Failed to acquire session manager while querying for local ticket. (503 [...]

virusscan exclusions on hyper-v

virus scanners become smarter and smarter and these days not everyone is excluding certain files or directories anymore. but i must say that i still make virus scan exclusions, because my opinion is that avoiding problems is better than fix (heal) them. For hyper-v this is the same, maybe more important because you are relaying [...]

Quick view at vSphere capacityIQ

Today i had a quick look at capacity iq What does it do ? VMware vCenter CapacityIQ is a value-add component of the VMware vCenter family of management solutions, providing capacity management capabilities for virtualized datacenter or desktop environments. CapacityIQ integrates seamlessly with VMware vCenter Server, ensuring that your virtualized infrastructure capacity is always predictable [...]