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ReadyNAS 626X - using the 10Gbps NIC
Hi
I have a ReadyNAS 626X using one of the 1Gbps network interfaces (connected to a 1Gbps switch). I have about 60-70 users, though only a proportion of those will ever be accessing it at the same time.
If I copy to or copy from the NAS, I am getting about 110-120Mbps. I've noticed that there is a 10Gbps NIC on the NAS. Is there any reason that I shouldn't use this instead? Will I get anything from it when still connected to the 1Gbps switch, or is my copy speed a resource issue with the load on the NAS?
Any help appreciated.
Thanks
Hi
I've determined that the slowdown was being caused by traffic passing from subnet to subnet through the firewall. The 10Gbps NIC would never have made a difference.
Thanks for your suggestions though, I will take a look at those in time.
6 Replies
paulmt wrote:
If I copy to or copy from the NAS, I am getting about 110-120Mbps.
That is expected - a gigabit connection has a max throughput of about 120 MiB/sec (1 MiB being 8,388,608 bits). And that doesn't include packet overhead or account for latency. So in practice you'll generally somewhat less on sustained large file transfers.
paulmt wrote:
I've noticed that there is a 10Gbps NIC on the NAS. Is there any reason that I shouldn't use this instead? Will I get anything from it when still connected to the 1Gbps switch.
It won't go any faster than 1 Gbps when you connect it to your switch. So there is no benefit in simply switching to it with your current network.
You might benefit from bonding. What switch are you using (manufacturer and model)? Are you using multiple switches for your users?
Of course upgrading the switch infrastructure to support 10 gbps between the switches and also to provide a 10GbaseT port for the NAS would be ideal - but that could be expensive.
Thanks for your reply - however, just to clarify, I'm getting 110-120Mbps (so about 15MB/s) - way under the capacity of a 1Gbps connection. This is why I was hoping that switching to the 10Gbps NIC might help, assuming that the bottleneck is the traffic on the existing NIC, and not the NAS's resources.
paulmt wrote:
Thanks for your reply - however, just to clarify, I'm getting 110-120Mbps (so about 15MB/s) - way under the capacity of a 1Gbps connection.
How are you measuring this? Is the PC connected using gigabit ethernet? Also, is this when the system is under full load (60-70 users)?
If you are using a managed switch, then you could implement bonding (using two network connections). LACP for instance should work well for your usage. What switch are you using?
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