|By Greg Schulz||
|August 24, 2014 07:32 PM EDT||
Are VMware VVOL's in your virtual server and storage I/O future?
By Greg Schulz
Note that this is a three part series with the first piece here (e.g. Are VMware VVOL's in your virtual server and storage I/O future?), the second piece here (e.g. VMware VVOL's and storage I/O fundamentals Part 1) and the third piece here (e.g. VMware VVOL's and storage I/O fundamentals Part 2).
With VMworld 2014 just around the corner, for some of you the question is not if Virtual Volumes (VVOL's) are in your future, rather when, where, how and with what.
What this means is that for some hands on beta testing is already occurring or will be soon, while for others that might be around the corner or down the road.
Some of you may already be participating in the VMware beta of VVOL involving one of the first storage vendors also in the beta program.
On the other hand, some of you may not be in VMware centric environments and thus VVOL's may not yet be in your vocabulary.
How do you know if VVOL are in your future if you don't know what they are?
First, to be clear, as of the time this was written VMware VVOL's are not released and only in beta as well as having been covered in earlier VMworld's. Consequently what you are going to read here is based on what VVOL material has already been made public in various venues including earlier VMworld's and VMware blogs among other places.
The quick synopsis of VMware VVOL's overview:
VVOL considerations and your future
As mentioned, as of this writing, VVOL's are still a future item granted they exist in beta.
For those of you in VMware environments, now is the time to add VVOL to your vocabulary which might mean simply taking the time to read a piece like this, or digging deeper into the theories of operations, configuration, usage, hints and tips, tutorials along with vendor specific implementations.
Explore your options, and ask yourself, do you want VVOL or do you need it
What support does your current vendor(s) have for VVOL or what is their statement of direction (SOD) which you might have to get from them under NDA.
This means that there will be some first vendors with some of their products supporting VVOL's with more vendors and products following (hence watch for many statements of direction announcements).
Speaking of vendors, watch for a growing list of vendors to announce their current or plans for supporting VVOL's, not to mention watch some of them jump up and down like Donkey in Shrek saying "oh oh pick me pick me".
When you ask a vendor if they support VVOL's, move beyond the simple yes or no, ask which of their specific products, it is a block (e.g. iSCSI) or NAS file (e.g. NFS) based and other caveats or configuration options.
Watch for more information about VVOL's in the weeks and months to come both from VMware along with from their storage provider partners.
How will VVOL impact your organizations best practices, policies, workflow's including who does what, along with associated responsibilities.
Where to learn more
Also check out this good VMware blog via Cormac Hogan (@CormacJHogan) that includes a video demo, granted its from 2012, however some of this stuff actually does take time and thus this is very timely. Speaking of VMware, Duncan Epping (aka @DuncanYB) at his Yellow-Bricks site has some good posts to check out as well with links to others including this here. Also check out the various VVOL related sessions at VMworld as well as the many existing, and soon to be many more blogs, articles and videos you can find via Google. And if you need a refresher, Why VASA is important to have in your VMware CASA.
Of course keep an eye here or whichever venue you happen to read this for future follow-up and companion posts, and if you have not done so, sign up for the beta here as there are lots of good material including SDKs, configuration guides and more.
What are you VVOL plans, view results and cast your vote here
Wrap up (for now)
Hope you found this quick overview on VVOL's of use, since VVOL's at the time of this writing are not yet released, you will need to wait for more detailed info, or join the beta or poke around the web (for now).
Keep an eye on and learn more about VVOL's at VMworld 2014 as well as in various other venues.
IMHO VVOL's are or will be in your future, however the question will be is there going to be a back to the future moment for some of you with VVOL's?
Also what VVOL questions, comments and concerns are in your future and on your mind?
And remember to check out the second part to this series here.
Ok, nuff said (for now)
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