Saturday, 24 March 2012

HP P2000 G3: Installing Plug-in for VMware VAAI for vSphere 4.1

The following post continues from the previous post HP P2000 G3: Upgrading Firmware to TS230P008 and runs through a step by step walkthrough to install the HP P2000 Software Plug-in for VMware VAAI vSphere 4.1, into an ESXi 4.1 host using the VMware vSphere CLI.

Preliminaries:
1) Download softwares
Either Google "HP P2000 Software Plug-in for VMware VAAI vSphere 4.1" or try this link
2) Arrange downtime for host reboots if required

Install:
1) Place the host to be patched into maintenance mode
2) From the downloaded .zip file, extract contents including the hp_vaaip_p2000_XXX.zip file and place into the C:\Program Files (x86)\VMware\VMware vSphere CLI\bin folder
3) Install the VAAI Plug-in using the vCLI Command Prompt from C:\Program Files (x86)\VMware\VMware vSphere CLI\bin and the command
> vihostupdate.pl --server Host_IP_Address --username User_Name --password Account_Password --bundle hp_vaaip_p2000-xxx.zip --install
4) Restart the host
5) Exit maintenance mode

Appendix A: Verifying VAAI using the following vCLI commands:
a) Check for new HP P2000 claim rules:
> esxcli --server Host_IP_Address --username User_Name --password Account_Password corestorage claimrule list –c VAAI
b) Check for claimed storage devices:
> esxcli --server Host_IP_Address --username User_Name --password Account_Password vaai device list
Or visually check under the Hardware Acceleration column in the vSphere Client to see that Hardware Acceleration is now Supported (previously it would have been unknown.)
Appendix B: Enhancements of VAAI (source HP.com)
       Included in the VMware vSphere 4.1 management station, the vStorage API for Array Integration (VAAI) can be used to off-load certain functions from the target VMware host to the storage array. With the tasks being performed more efficiently by the array instead of the target VMware host, performance can be greatly enhanced.
       The HP P2000 Software Plug-in for VMware VAAI (VAAI Plug-in) allows offloading the following functions (primitives) to the MSA array: o Full copy—enables the array to make full copies of data within the array, without the ESX server having to read and write the data. o Block zeroing—enables the array to zero out a large number of blocks to speed up provisioning of virtual machines. o Hardware assisted locking—provides an alternative means to protect the metadata for VMFS cluster-file systems, thereby improving the scalability of large ESX server farms sharing a datastore.

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