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From Wido den Hollander <w...@widodh.nl>
Subject Re: pnfs support?
Date Thu, 15 Jan 2015 18:59:26 GMT
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On 01/15/2015 06:05 PM, David Bierce wrote:
> pNFS is NFS v4.1 with a the ability to have the head end paralleled
> and HA, but you’re still reliant on the backend doing any sort of
> replication. Adding support the cloudstack way would be trivial if
> it was just verified the client supported it on the hypervisor, and
> even then the deployments I’ve seen would still allow failover to
> NFS v3
> 
> For the most part, people seem to be waiting for CephFS to become
> primetime, but if you’re using the big NFS hardware solutions, I
> think most support pNFS now.
> 

Be aware that CephFS should not be used for hosting virtual machines.
RBD, the block device is much better for that job and already support
with KVM since CloudStack 4.0

Wido

> I’ve personally used pNFS with https://github.com/nfs-ganesha/
> <https://github.com/nfs-ganesha/> as the NFS server and Ceph as the
> backend, but that felt kind of dirty and will be less useful for
> most when CephFS goes primetime.
> 
> 
>> On Jan 14, 2015, at 9:38 PM, John Kinsella <jlk@stratosec.co>
>> wrote:
>> 
>> Somebody in the silicon valley meetup just asked about pNFS [1] -
>> I’d never heard of it, but sounds interesting and in theory would
>> negate a lot of the ugliness of NFS.
>> 
>> Curious if anybody else is familiar with it, or if there’s a
>> general interest in having support in ACS?
>> 
>> John 1: http://www.pnfs.com/
> 
> 
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