bjorntje02
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Posts by bjorntje02
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 with [...]
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 Service Unavailable)
after some [...]
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 on [...]
Quick view at vSphere capacityIQ
Oct 27th
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 and efficiently [...]
Ultimate Study-guide-for-vcdx-enterprise-exam-35
Sep 11th
I am also studying for the vcdx enterprise exam. I first looked on the internet for other posts on the enterprise exam. All these guys did a great job on creating a study guide for the enterprise exam based on the blueprint
To most important blogs about this are from peter bosch (the first one blogging [...]
HA FAILOVER CAPACITY CALCULATION
Aug 25th
There are a lot of HA failover capacity calculation blogs out there. The most apply to virtualcenter2.0.1 not to 2.x.
Virtualcenter 2.x (and 4.x) uses other calculations than virtualcenter 2.0.1. if you are still using version 2.0.1 use the following blog at vmwarewolf. For virtualcenter 2.x there is also a great post at virtualgeek , based [...]
11 vmware template tips
Jun 24th
The following vmware template tips is no rocket science, but i have seen a lot of vmware environments and the following settings are not always set. For all those settings the virtual machine must be shutdown. So setting these values already in the vmware template can save you a lot of work afterwards .
vmware [...]
Using custom performance charts in virtualcenter
Jun 19th
As every esx engineer knowns its important to pay close attention to the core four components in a Vmware Infrastructure 3. For the most important counters see table below,referring to online documentation on performance monitoring and analysis for more information on these counters and how to interpret them.
Subsystem
Esxtop Counter
VirtualCenter Counter
CPU
%RDY
&USED
Ready
Usage
Memory
%ACTV
SWW/s
SWR/s
Active
Swapin
Swapout
Storage
ACTV
DAVG/cmd
KAVG/cmd
Commands
deviceWriteLatency and deviceReadLatency
kernelWriteLatency and kernelReadLatency
Network
MbRX/s
MbTX/s
packetsRx
packetsTx
Table 1 [...]
How to prepare for the 652 hyper-v exam
Jun 11th
This week i have done the hyper-v exam and passed with a score of 935. the exam focused highly on snapshots,clustering, virtual network. but there are also some scvmm2008 questions and some real very easy and simple basic questions.
I first read the hyper-v unleashed book. This book has also focus on scvmm 2008. This book [...]
vSphere host update utility
Jun 6th
today i upgrade my home esx host with the vSphere host update utility. The reason is simple; I was lazy and wanted to try out this tool , and my white box doesn’t recognize my cdrom so i have to do a remote install. In real enterprise environments i would recommend to do a [...]
