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Forum Discussion
gt3
Sep 05, 2016Aspirant
Performance/Admin Page Access - Does available disk space affect access to the ReadyNas
Hi, I have a ReadyNAS NV+ and it has been running well for a while. A while back, I got a warning about the fan failing so I took the NAS out of commission for a while and got a replacement fan....
- Sep 14, 2016
Are you using jumbo frames on your network?
It is a bit odd that you can't change the MTU. Perhaps try turning jumbo frames off, and do another test.
gt3
Sep 06, 2016Aspirant
Hi Guys,
Thanks for all the help. StephenB, as soon as you made the comment about the posted speed on a gigabit network, I quickly remembered that I ran this test from a workstation connected to a 10/100 to the NAS. I ran the test on one of the servers and got a similar speed. I checked the connection points on between the switches and I realized that my fiber link is running at 100 full instead of the 1000 full that it is supposed to be running. I'm not sure why this is the case. The both ends of the connection were set to auto negotiate, however they still performed at 100 full. I disabled autonegotiate and changed them to 1000 full manually. I ran the NAStest and got this:
----------------
NAS performance tester 1.7 http://www.808.dk/?nastester
Running warmup...
Running a 400MB file write on \\nas\backup\ 5 times...
Iteration 1: 14.65 MB/sec
Iteration 2: 14.94 MB/sec
Iteration 3: 15.15 MB/sec
Iteration 4: 14.93 MB/sec
Iteration 5: 15.12 MB/sec
-----------------------------
Average (W): 14.96 MB/sec
-----------------------------
Running a 400MB file read on \\sld-nas\backup\ 5 times...
Iteration 1: 17.41 MB/sec
Iteration 2: 17.08 MB/sec
Iteration 3: 17.80 MB/sec
Iteration 4: 17.98 MB/sec
Iteration 5: 17.52 MB/sec
-----------------------------
Average (R): 17.56 MB/sec
-----------------------------
It's a slight improvement, but I thought I would be getting a lot higher.
Can you please run it on your end so I can get an idea of what you are getting if you are on gigabit?
The entire network isn't gigabit, however it is on between servers and the links between the switches. Or I thought it was until I just corrected the one link. I have another link to a different switch via fiber that has no issues auto negotiating to 1000 full. I'll keep you posted.
Thanks for the info.
StephenB
Sep 06, 2016Guru - Experienced User
gt3 wrote:
Can you please run it on your end so I can get an idea of what you are getting if you are on gigabit?
NAS performance tester 1.7 http://www.808.dk/?nastester
Running warmup...
Running a 400MB file write on \\10.0.0.11\backup 5 times...
Iteration 1: 17.68 MB/sec
Iteration 2: 18.20 MB/sec
Iteration 3: 18.18 MB/sec
Iteration 4: 18.16 MB/sec
Iteration 5: 18.24 MB/sec
-----------------------------
Average (W): 18.09 MB/sec
-----------------------------
Running a 400MB file read on \\10.0.0.11\backup 5 times...
Iteration 1: 27.17 MB/sec
Iteration 2: 25.94 MB/sec
Iteration 3: 26.36 MB/sec
Iteration 4: 25.78 MB/sec
Iteration 5: 26.73 MB/sec
-----------------------------
Average (R): 26.40 MB/sec
-----------------------------
The client is a T440s laptop with an SSD disk. The network is gigabit (both NAS and laptop connected to a Netgear GS724Tv3 switch).
The NAS has journaling disabled and fast CIFS writes enabled. The MTU is set to 1500 bytes. The disks are old (WD20EARS), but I did a factory reset last spring, so I do have 4K sector alignment. Nothing unusual about the hardware - an NV+ with the factory-installed 256 mb ram.
Of course the newer ReadyNAS are quite a bit faster.
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