Author Archives: Barrie

Teradici PCoIP firmware 3.5 USB performance comparsion

Recently, Teradici released version 3.5 firmware for PCoIP Zero clients based on the Portal processor. One of the main enhancements was the ability to fully utilize the USB 2.0 capable hardware that always existed in these devices, but was restricted … Continue reading

Posted in Uncategorized, Virtual Desktops (VDI), VMware View, Wyse | Tagged , , , , , , ,

Configuring iSCSI with ESXCLI in vSphere 5.0

This is mostly me learning my way around some of the new namespaces in esxcli as part of vSphere 5.0 If you want to know what’s new in esxcli in vSphere 5.0, please read these two posts from Duncan Epping … Continue reading

Posted in ESXi, VMware vSphere | Tagged , , , , | 6 Comments

Nice Changes to Maintenance Mode settings in vSphere 5

There have been some small but very useful changes to the feature set of Maintenance Mode in vSphere Update Manager 5. It’s easier to see when comparing screenshots of a vSphere 4.1 environment to a vSphere 5.0 setup. Here are the settings presented … Continue reading

Posted in ESXi, Releases and Updates, VMware vSphere | Tagged , , , , , , , , | 1 Comment

VMware View Desktop boot-storm on SSD – illustrated

Just a couple of screen shots illustrating what happens with I/O when 30+ Windows XP virtual desktops boot at the same time on local SSD storage. The hardware used was an 8-core (16 thread) Nehalem 5520 IBM x3650 M2 rack server, 64GB RAM … Continue reading

Posted in Virtual Desktops (VDI), VMware View | Tagged , , , , , , , , , , , , , | 1 Comment

Running Veeam Backup 5 in a VM

One of the best features of most modern virtual backup products, is that they support the vStorage APIs for Data Protection (VADP), including change block tracking (CBT) and hot-add. More here on VADP: kb.vmware.com/kb/1021175 To take advantage of the vSphere hot-add ability, the … Continue reading

Posted in ESX, HP P4000/Lefthand, Software, Veeam, VMware vSphere | Tagged , , , , , , , , , , , | 5 Comments

Using vCLI (vMA) or PowerCLI for ESXi server maintenance mode

Just a quick post (mostly for documentations sake) to highlight on how to take your ESX(i) boxes into and out of maintenance mode using either VMware vCLI/vMA or VMware PowerCLI (Powershell) This can be handy if you have a whole bunch … Continue reading

Posted in ESX, VMware vSphere | Tagged , , , , , , , ,

vSphere VAAI Performance on the HP P4000 G2

With the recent release of SAN/iQ 9.0 which supports the VAAI vStorage offload features of vSphere 4.1, I thought I would run a quick block zeroing test to see the difference. The setup was as follows: 4 x HP P4500 … Continue reading

Posted in ESX, HP P4000/Lefthand, iSCSI Storage, VMware vSphere | Tagged , , , , , , , , , , , , | 7 Comments