vsphere | viktorious.nl – All things cloud-native

Is high vSphere storage latency always a bad thing? Part II

Posted By: viktoriouson: March 07, 2013In: Storage, Virtualization1 Comment

A while ago I wrote an article on high storage latency. This article discussed the relationship between the amount of latency and IO blocksize used by the OS running in your virtual machine.... Read more

NetBackup 7.5.0.5 available – some improvements on vSphere 5.1 support

Posted By: viktoriouson: February 21, 2013In: Cloud Management, VirtualizationNo Comments

I’ve just learned Symantec released NetBackup 7.5.0.5 solving some of the previous issues 7.5.0.4 had with vSphere 5.1: “Sphere 5.1 Support – Consuming VDDK 5.0 U1 VMware b... Read more

ESXi error: Call “ServiceInstance.RetrieveContent” for object…

Posted By: viktoriouson: February 18, 2013In: VirtualizationNo Comments

After a fresh installation of ESXi 5.1 on a Hitachi Data Systems (HDS) CB500 blade, I faced the following error while trying to connect to ESXi using the vSphere Client: Call "ServiceInstanc... Read more

Windows vCenter Server versus vCenter Server Appliance

Posted By: viktoriouson: January 18, 2013In: Virtualization15 Comments

Note: The limitations for the VCSA 5.5 are lifted: The integrated vPostgress database will support 100 vSphere hosts and 3.000 virtual machines. For the Oracle database 1000 hosts and 10.000... Read more

Is high vSphere storage latency always a bad thing?

Posted By: viktoriouson: January 08, 2013In: Storage, Virtualization1 Comment

Recently I had a discussion about storage latency, the question was: “Is high storage latency always a bad thing?”. When we look at latency in a vSphere environment the esxtop co... Read more

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