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Posts Tagged ‘Update Manager’

VMware: Ugrading virtual hardware in ESX 4 may cause Windows 2008 disks to go offline

November 28th, 2009 1 comment

Symptoms:

Upgrading virtual hardware in ESX 4 may cause Windows 2008 disks to go offline. 
Upgrading virtual hardware from version 4 to version 7 may cause Windows 2008 disks to go offline.
Creating a new virtual machine on hardware version 7 may cause Windows 2008 disks to go offline.
Note: The first disk (C: drive) is not affected. Any additional disks may be affected and show marked as Offline within Disk Management.
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sanderdaems

Sander Daems is founder and author of this blog and working as a Lead (Sr.) Consultant by UNICA ICT Solutions. Sander has over 15 years experience in IT, primary focus: virtualization and modern worksplace.

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VMware: vCenter Update Manager Performance and Best Practices White Paper Posted

May 26th, 2009 No comments

VMware vCenter Update Manager is a component of VMware Infrastructure that automates patches and upgrades of ESX hosts, virtual machine Tools and hardware, Windows and Linux virtual machines, and virtual appliance. A new white paper, VMware vCenter Update Manager Performance and Best Practices, is now available.

In this paper we discuss VMware vCenter Update Manager 4.0 host deployment, latency, resource consumption, guest OS tuning, high-latency networks, and the impact of on-access virus scanning. We also provide performance tips to help customers tune the system for better performance.

 

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