ESXi 4.x and 5.x and Diskeep

I have two ESXi servers running 4.1 and will be moving to 5.x very soon. Both servers have local storage. I have seen advertisment for Diskeeper on ESX servers. I've used Diskeeper on Windows servers but never on a Vmware ESX server. Is this a god idea. I thought a Linux OS could get fragmented like a WInodws OS. Wouldn't running Diskeeper increase I/O usage?
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compdigit44Asked:
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Andrew Hancock (VMware vExpert / EE MVE^2)Connect With a Mentor VMware and Virtualization ConsultantCommented:
V-Locity interfaces with vCenter or direct to ESXi/ESX via Storage API to complete the Defrag in the VM, via an Agent.
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Tony JLead Technical ArchitectCommented:
They have some information here:

http://www.diskeeper.com/blog/post/2011/06/28/Optimizing-Virtual-Platform-Disk-Performance-(ESX).aspx

Granted, it's from the vendor, but it does discuss performance.

Personally, I'm not a massive fan of automated defragmentation on servers. Also, I'm not sure how well this would cope with thin provisioned disks.

And digging around, there appears to be a few comments suggesting it can interfere with backups.
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compdigit44Author Commented:
Can it work on ESXi ???
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Tony JLead Technical ArchitectCommented:
Yep - it's called their v-locity product:

http://www.diskeeper.com/business/v-locity/
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
We use the v-locity product with good results, defragmenting, and also reclaiming used space.
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Tony JLead Technical ArchitectCommented:
I'm intrigued - as it runs at the hypervisor level, what impact on performance is there?
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compdigit44Author Commented:
hanccocka, you are using Diskeepers v-locity on ESX or ESXi??
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Yes, always, we involved with V-locity Beta, it's now released.

Both ESX and ESXi.

The reclaim storage function I believe is unique to V-locity.
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compdigit44Author Commented:
I guess I new thought of Linux OS's geting fragmented..

Also I'm confused at how you can install Diskeeper on ESXi since it's stateless
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
It's installed on the VMs!
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compdigit44Author Commented:
Ahh..
I thought this was something that could be installed on the ESX/ESXi host. How does v-locity differ from the regular diskeeper
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Disk Reclaim!
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
or Space Reclaim!
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Download it and Trial it for 30 days.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
if you are interested, contact us through profile, I have a document, I don't think has been published on V-Locity Performance Testing. Effects on Defrag on IO etc
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