On Mon, Jul 28, 2008 at 01:31:51PM -0700, Garrett D'Amore wrote:
> I confess that I didn't realize we lacked client side caching in our 
> NFSv4.  I thought client side caching was one of the significant 
> benefits that NFSv4 brought to the table (mainly to compete with the 
> likes of AFS and DFS).

Let's be precise.  The NFSv4 client caches plenty, just not on long-term
local storage (which is what cachefs was for).

> If we don't have client side caching in NFSv4, then I too worry that the 
> loss of functionality will leave us with a potentially significant 
> architectural hole.

It's a small gap.

I think where it really matters one might use ZFS with iSCSI vdevs and a
local L2ARC device.

> Again, for folks on local networks, the network may not be the 
> bottleneck, but with VPNs and similar technologies increasing the global 
> reach of corporate networks, I think there is still a real business case 
> for client side caching.

Yes.

Nico
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