Category Archives: ESX

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

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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

HA error when upgrading ESXi 4.0 Update 2 to ESXi 4.1

Ran into this annoying HA error after upgrading some blades all running ESXi 4.0 Update 2. All hosts were upgraded using VUM from a  vCenter 4.1 server. Upgrade all went well, taking only a few short minutes per host. Upon … Continue reading

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A list of vSphere 4.1 VAAI compatible arrays?

This list of VAAI arrays detected by the Pluggable Storage Architecture appears in /etc/vmware/esx.conf of an ESX 4.1 host. Appears  these are there to support the vendors whose arrays will support VAAI now or in the future with firmware. /storage/PSA/Filter/claimrule[65430]/match/model = “SYMMETRIX” /storage/PSA/Filter/claimrule[65430]/match/vendor = … Continue reading

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USB passthrough in vSphere 4.1

One of the new features of vSphere/ESX 4.1 is the ability to pass-through up to 20 USB devices from the ESX host to a VM or VMs. It is really simple to setup and test. I am using a Server … Continue reading

Posted in ESX, Software, VMware vSphere | Tagged , , , , , , , | 26 Comments

10GigE – changing VMware vSwitch best practices

As 10GbE adapter prices (for rack and blade servers) and per port switch prices plummet, this tech is fast becoming the easy choice when implementing new servers and storage. In the past few years, best practice for ESX vSwitches has always been to separate out traffic … Continue reading

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