Question about Virtualization: CI vs HCI

I am at a point where I need to upgrade my storage as well as VDI infrastructure.  Currently it is a CI setup with the following pieces that make up it up.
  • 2 x HP ProLiant DL380 Gen7 (w/o any 10Gbe), 144 GB RAM, Dual Socket and using a non-persistence disk for VDI.  There is no local storage of the vhd. running on XenServer
  • The server layer of the environment is running on 3 x HP ProLiant DL 360 Gen8 w/ both 10 GB over Fiber and 1 GBe.  These hypervisors run VMware ESX 6.0.  256 GB RAM, Dual Socket.
  • This is all connected to a Cisco catalysis 4507.
  • The storage that has very limited storage left is a Netapp 2240 with a mix of 7200 and 15K disk on two different agg.

So the question is do I move to a HCI and stay on a CI model?
I had reservations about HCI because I thought I would lose my VMWARE investment, but that is not true from what I was told.  After my conversation the other day I am thinking HCI might be a good idea.  
I think some of my issues is my data set of 50 TB. It is a mix of unstructured data (37 TB) and block level data of 13 TB.
I do have some really old data that should be moved to cold storage to remove some of the tension on the storage unit and help make a decision on new storage technology.
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yo_beeDirector of Information TechnologyAsked:
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andyalderSaggar maker's framemakerCommented:
Not very converged at the moment is it? HPE servers, Cisco switches and NetApp storage all managed separately.

To me converged implies something like flexpod where the storage, servers and connectivity come as one pre-configured box, hyper-converged is just more so. Might save a bit of admin by having it all on one pane of glass but stops you being able to pick best storage and best servers for the job. Doesn't improve speeds any more than blades vs traditional servers.
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yo_beeDirector of Information TechnologyAuthor Commented:
I was under their impression that converge was each part was separate and hyper converge was all in on box.
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yo_beeDirector of Information TechnologyAuthor Commented:
I am being pitched HF from Cisco as well as Vsan from VMware.
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andyalderSaggar maker's framemakerCommented:
You might be right, the difference between converged and hyper-converged isn't well defined outside of marketing sales pitches.  I'd buy more disk IOPS if I was you, sounds like the hosts are doing OK.
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yo_beeDirector of Information TechnologyAuthor Commented:
Most of my host are well below 30% cpu.
One of the builds priorly proposed was Cisco UCS Mini, nexus 9K and Pure storage.
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yo_beeDirector of Information TechnologyAuthor Commented:
Thanks for your help and I am sorry it took so long to close
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