I was doing some cleanup of datastores attached to my VMware Cluster today and came across this error when I was removing a datastore. Can’t remove datastore ‘DATA_LUN_03′ because Storage I/O Control is enabled on it. Correct it an re-try … Continue reading
Scenario: Guest VM Total Memory: 64GB SQL Server Max Memory: 58GB (Leaving 10%, or 6.4GB roughly for Windows + Apps) Guest VM Reservation: 48GB (75% of Guest VM Total Memory; in certain scenarios, 100% is preferred — if you can … Continue reading
The Problem I often use esxtop to review realtime performance metrics of various aspects of my virtual infrastructure. One annoying thing is that I cannot view multiple ESX hosts in a single esxtop session. That would be such a nice … Continue reading
This is a great KB article from VMware worth reposting. I’m going to start analyzing storage I/O more today on all the arrays I have and LUNs. Article Source: http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1019687 Setting the congestion Threshold Value for Storage I/O Control Details … Continue reading
Dear Valued Customer, VMware is announcing an End of Availability (“EoA”) date for VMware vSphere® ESX hypervisor 4.x and for VMware Management Assistant (“vMA”) versions 1 and 4. The end of availability date is August 15, … Continue reading
UPDATE: I had originally thought I had resolved this by removing/re-adding the adapter. Turns out the issue reappeared this morning. After more researching, I found that it was caused by WDS! Since I no longer need WDS for testing, I … Continue reading
Virtual desktop infrastructure or VDI is a computing model that adds a layer of virtualization between the server and the desktop PCs. VMware describes Virtual Desktop Infrastructure (VDI) as “delivering desktops from the data center”. In other words, VDI is … Continue reading
I came across this on a VM the other morning. It seemed that assigned the VM 2vCPU and then installing XP Professional didn’t install the correct HAL/Kernel. I’m not sure why, but here’s how I noticed the problem and how … Continue reading
Add-PSSnapin “VMware.vimautomation.core” Connect-VIServer -server 10.10.10.1 -user “user” -password “luser” (get-vm -name “ZEUS”).extensiondata.config.extraconfig | sort key | format-table Example Output Key Value DynamicType DynamicProperty — —– ———– ————— ethernet0.pciSlotNumber 32 evcCompatibilityMode true guestCPUID.0 0000000b756e65476c65746e496… guestCPUID.1 000106a400010800809822010fe… guestCPUID.80000001 000000000000000000000001281… hostCPUID.0 0000000b756e65476c65746e496… hostCPUID.1 … Continue reading
I received the following error this morning on my vCenter server after a brief reboot for a few Windows updates: Hardware Monitoring on This Host is Not Responding This error is generated when I click on the “Hardware Status” tab … Continue reading