PernixData FVP – My Impression

On Wednesday I attended a session at VMworld about PernixData FVP with Satyam Vaghani and Frank Denneman.

And I must say I do like their approach to the Flash idea. They want to make their solution available to all application that runs on top of vSphere. Meaning even all your old p2v’d systems can get a huge boost in IOPS with this.

I wont go into much detail on how it works, you can find that out on their webpage. But there are 2 things that I really found neat. Moving forward they want to offer not only Flash acceleration in their software but it will also be able to use the RAM you have in your hosts. Think about a 1TB RAM cache for IOPS, that doesn’t sit behind a storage controller!

The other thing they were working on is Fault Domains. I asked them about how you would deploy their solution in a Stretched Metro Cluster setup. I’ve worked on a setup with 2 sites, but where vSphere only sees 1, using affinity groups to separate the running VM’s. So the idea with Fault domains is this: you could have the VM’s of site 1 have their main cache in site 1, but with a replica on site 2, so if the entire site 1 fails, then vSphere HA can easily recover the VM’s  in site 2, even if the data hasn’t been persisted down to disks in site 1.

Links

PernixData

Cormacs blog on Pernix

 

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