Trond Myklebust wrote:
On Sun, 2009-02-22 at 15:17 -0800, Ben Greear wrote:
My specific application is a testing tool that emulates 1000+ unique NFS
clients,
primarily for testing & loading NFS servers.
I put each client on a mac-vlan and put them all on the same subnet so
that I don't
need any routers between my box and the nfs server. (We can also put
them on different subnets and use different routers, and the specific
source-ip
also helps there...)
I use routing tricks to enforce that a particular source-IP uses a
specific routing
table, and that ties pkts to a specific mac-vlan interface. The mount
bindaddr
option then binds a mount to a specific local IP and thus to a specific
mac-vlan.
This shows 1000+ mounts on my test box, and the nfs server sees 1000
unique clients (all with different MACs, IPS, etc).
Any reason why you couldn't multi-home the server too, and use the
destination IP address to control the route on the clients?
I'm trying to emulate 1000 NFS clients running against a 'normal' NFS
server,
and in that case, the NFS server would have a single (or small number of IP
addrs), and each client would have a unique IP and MAC.
Thanks,
Ben
Trond
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--
Ben Greear <greearb@xxxxxxxxxxxxxxx>
Candela Technologies Inc http://www.candelatech.com
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