Davoud Teimouri

Virtualization & Datacenter

Category: vSphere

VMware vSphere 6.5 Update 1

vSphere 6.5

New Release – VMware vSphere 6.5 Update 1 VMware vSphere 6.5 Update 1 is generally available for download. All previous patches (5 patches) are rolled to this update. There is some new guest OS that the guests are added to supported guest list such as Windows Server 2016, CentOS 6.9, RHEL 7.3.5 and Ubuntu 17.04. Now, it’s […]

10,458 total views, 11 views today

ESXi host fails with a PSOD due to an Intel Virtualization Technology!

I have read a KB on VMware Knowledge Base and it says that an Intel Virtualization Technology can be cause of PSOD. This is little funny because ESXi will be affected by wide range of Intel Xeon processor family: Intel® Xeon® Processor 55xx Series Intel® Xeon® Processor 56xx Series Intel® Xeon® Processor 65xx Series Intel® […]

655 total views, 7 views today

System Center 2016 Integration Pack for VMware vSphere

System Center 2016

Introduction The Integration Pack for VMware vSphere is an add-on for System Center 2016 – Orchestrator that enables you to connect System Center Orchestrator to your VMware vSphere server to automate actions in VMware vSphere to enable full management of the virtualized computing infrastructure The Integration Pack is very useful for administrators, who have mixed […]

607 total views, 3 views today

ESXi Virtual Appliance

As you may know, you can install hypervisors on virtual machines for testing purpose. When you had installed ESXi on virtual machine, you did nesting virtualization. But think about installation process, any installation needs around 20 minutes and if you cloned a ESXi machine, it will be not worked properly on other virtual machine and […]

153 total views, 2 views today

HPE Custom Image for VMware vSphere 6.0 Update 2

VMware vSphere 6 Update 2 has been released by VMware past days and now, HPE (Hewlett-Packard Enterprise) customized ESXi image has been released for HP servers. You can download it form this link: HPE Custom Image for VMware vSphere 6.0 Update 2 Another vendors also released their customized image, you can download the images from […]

1,461 total views, 10 views today

vSphere HA virtual machine monitoring action

When you enabled HA on a clster, some definition alarm will be activated. “vSphere HA virtual machine monitoring action” is one of them, this alarm has two triggers: vSphere HA enabled VM reset with screenshot. vSphere HA is resetting VM. These are useful alarms for troubleshooting and know, what was happened for a virtual machines during fail-over. Also you […]

3,550 total views, 8 views today

Optimizing HP BIOS Settings For VMware vSphere

Achieving best performance on ESXi by HP ProLiant servers needs to change some default configuration on HP RBSU (ROM-Based Setup Utility) or UEFI (Unified Extensible Firmware Interface). Some of the configurations have been mentioned on “Performance Best Practices for. VMware vSphere” but some them not mentioned. You can change the below configuration to achieve best performance […]

27,072 total views, 105 views today

HP Integrated Lights-Out 3 (iLO 3) – ESXi VM’s Showing 100% CPU Usage While Host CPU is Low

If you have read HP or VMware documents about power management on ProLiant servers, both have suggested that configure power management to Static High Performance. I did it on all my ESXi servers and everything was good. But I have performance problem on some of G7 servers, I have checked all factors but I couldn’t […]

1,433 total views, 2 views today

Memory Addressing Limits for ESXi 5.1.x and 5.5.x

The following table describes the Memory Addressing Limits for ESXi 5.1.x and ESXi 5.5.x:     Parameters ESXi Release 5.1.x 5.5.x Maximum Physical Address (MAXPA) 4 TiB 16 TiB Maximum DRAM Capacity (within MAXPA) [1] 2-TiB 4-TiB/6-TiB Maximum Physical Address for Non-Prefetchable PCI BAR 4 GiB [2] 4 GiB [2] Maximum Physical Address for Prefetchable […]

178 total views, no views today

Required ports for vCenter Server 5.5

The VMware vCenter Server system must be able to send data to every managed host and receive data from every vSphere Client. To enable migration and provisioning activities between managed hosts, the source and destination hosts must be able to receive data from each other. VMware uses designated ports for communication. Additionally, the managed hosts […]

472 total views, 2 views today

Viewing the services registered with Single Sign-On

To obtain a list of services that are currently registered to SSO: Log into the vCenter Server as an administrator. Open a Windows Command Prompt. Navigate to the %Program Files%\VMware\Infrastructure\SSOServer\ssolscli directory. Note: The default directory path to the ssolscli.cmd is C:\Program Files\VMware\Infrastructure\SSOServer\ssolscli. Run this command: SET JAVA_HOME=C:\Program Files\VMware\Infrastructure\jre Note: Verify the path first. The listed path is default, but this […]

370 total views, 2 views today

A virtual machine loses network connectivity after vMotion

Symptoms A virtual machine loses network connectivity after vMotion. When you use tcpdump to analyze packet traffic, you see that a RARP request is not sent after the virtual machine has been moved via vMotion to the destination host. If you set the Load Balancing policy in the vSwitch properties to Notify Switches, the RARP request is sent after […]

554 total views, 14 views today

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