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Forum Discussion
ReadyNAS 2100 Performance Issues - read/write
Hi All,
I have a ReadyNAS 2100 v1 [X-RAID2] and I am having performance problems with The read/write IOPs. They are about half of what they should be, and I have tried quite a few things to resolve the issues on my own. My ReadyNAS is running the latest firmware RAIDiator 4.2.19.
I've been doing some tests with iometer and the netgear supplied iometer.icf with a computer directly connected to the NAS in Ethernet 2. I've been getting about 50Mbps read, and 40Mbps write. These speeds are after a factory default restore.
I've tried doing a factory restore, enabling jumbo frames (only made write worse 6-9Mbps), switching out network cables, and am not sure what else to try. Nothing stands out in the logs, the drives SMART+ looks fine.
Does anyone have any suggestions?
I have a ReadyNAS 2100 v1 [X-RAID2] and I am having performance problems with The read/write IOPs. They are about half of what they should be, and I have tried quite a few things to resolve the issues on my own. My ReadyNAS is running the latest firmware RAIDiator 4.2.19.
I've been doing some tests with iometer and the netgear supplied iometer.icf with a computer directly connected to the NAS in Ethernet 2. I've been getting about 50Mbps read, and 40Mbps write. These speeds are after a factory default restore.
I've tried doing a factory restore, enabling jumbo frames (only made write worse 6-9Mbps), switching out network cables, and am not sure what else to try. Nothing stands out in the logs, the drives SMART+ looks fine.
Does anyone have any suggestions?
5 Replies
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- What brand/model is the network card in the computer you're running the tests from?
-Stefan WhoCares? wrote: What brand/model is the network card in the computer you're running the tests from?
-Stefan
Broadcom NetLink BCM5784M Gigabit Ethernet PCIe- Ok, haven't heard anything bad about that one yet, so I guess it's not the card in the computer limiting the transfer speeds either. Hmmm.
-Stefan WhoCares? wrote: Ok, haven't heard anything bad about that one yet, so I guess it's not the card in the computer limiting the transfer speeds either. Hmmm.
-Stefan
I actually have two ReadyNAS 2100's and both are performing similarly. I was hoping a factory default wipe would help but it didn't.- I installed iperf on the NAS to see if I could isolate it to either a network problem, or a disk problem.
Here are my results with iperf running default:
[ 4] 0.0-20.0 sec 986 MBytes 413 Mbits/sec
[ 5] 0.0-20.0 sec 951 MBytes 399 Mbits/sec
[ 4] 0.0-20.0 sec 1.02 GBytes 438 Mbits/sec
[ 5] 0.0-20.0 sec 998 MBytes 418 Mbits/sec
Adjusting the TCP window size to 128 KBytes had these results:
[ 4] 0.0-20.0 sec 2.19 GBytes 940 Mbits/sec
[ 5] 0.0-20.0 sec 2.19 GBytes 939 Mbits/sec
[ 4] 0.0-20.0 sec 2.19 GBytes 939 Mbits/sec
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