There are no Master Images Associated with this Catalog
Feb 2nd
I am using XenDesktop now for some time and had the error “There are no Master Images Associated with this Catalog” several times. since xendesktop 5.x Citrix added a link to an ctx article http://support.citrix.com/article/CTX127068 that doesn’t make sense for most of the time. If you get this problem check three things. check your rights [...]
xenapp 6 and novell contextless login
Apr 27th
Today is was at a customer to get novell working with xenapp 6. I needed contextless login to work for a smoothly integration. In my setup the xenapp 6 farm was located in a separate active directory domein with a sync driver between active directory and novell. But i couldn’t get the novell client working on [...]
What i miss in all vsphere design books
Feb 1st
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
Oct 6th
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
Jul 8th
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
Apr 6th
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.
Dec 29th
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
Dec 22nd
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)
Nov 17th
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
Nov 13th
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 [...]
