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From Geoff Arnold <ge...@geoffarnold.com>
Subject Re: NFS vs iSCSI
Date Mon, 29 Oct 2012 03:07:51 GMT
So what guest OSs are you planning to support? (And which filesystems in those guests?) That's
kind of important...

Geoff

On Oct 28, 2012, at 7:56 PM, Jason Davis <scr512@gmail.com> wrote:

> Decent read:
> http://lass.cs.umass.edu/papers/pdf/FAST04.pdf
> 
> As far as CS + XenServer, I prefer NFS. Easier to manage, thin provisioning
> works from the get go (which is super important as XenServer uses CoW
> (linked clones) iterations from the template you use.) By default, XS uses
> LVM over iSCSI with iSCSI which can be confusing to administer. That and it
> doesn't thin provision... which sucks...
> 
> In theory there are latency penalties with NFS (as mentioned in the paper)
> but in a live deployment, I never ran into this.
> On Oct 28, 2012 9:03 PM, "Trevor Francis" <trevor.francis@tgrahamcapital.com>
> wrote:
> 
>> I know this has been discussed on other forums with limited success in
>> explaining which is best in for aproduction environment, but could you
>> cloudstackers weigh in which storage technology would be best for both
>> primary and secondary storage for VMs running on Xenserver? Both are pretty
>> trivial to setup with NFS being the easiest.
>> 
>> Thanks,
>> 
>> Trevor Francis
>> 
>> 
>> 


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