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Forum Discussion
Xfer speeds around 3 MBps :(
Here's my info. First set of results using laptop, second using PC. An obvious issue is that I'm not running over a full Gigabit network, but by my reckoning, the theoretical limit for a 100 Mbps network is around 12.5 MBps which is still much higher than I am achieving. I wouldn't care except for the fact that I cannot stream 1080P video without huge lag. Any suggestions are greatly appreciated!!
ReadyNAS model - ReadyNAS Ultra 2
RAIDiator version - 4.2.22
Performance tab settings - Enable disk write, Disable full data journaling
Network switch model (and firmware version) - Linksys WRT50G/GL/GS w/DD-WRT v24-sp1 (using default settings)
Number of disks and disk models - 2X WD10EFRX
Laptop:
NIC on your PC - Broadcom Netlink 59XX 10/100 Ethernet Controller
The read/write MB/sec numbers from IOMeter or drag & drop test - Read MBps 3.16, Write MBps 3.03
PC:
NIC on your PC - Realtek® 8111E , 1 x Gigabit LAN Controller(s), featuring AI NET2 (onboard NIC on Asus mobo)
The read/write MB/sec numbers from IOMeter or drag & drop test - Read MBps 5.19, Write MBps 9.91
ReadyNAS model - ReadyNAS Ultra 2
RAIDiator version - 4.2.22
Performance tab settings - Enable disk write, Disable full data journaling
Network switch model (and firmware version) - Linksys WRT50G/GL/GS w/DD-WRT v24-sp1 (using default settings)
Number of disks and disk models - 2X WD10EFRX
Laptop:
NIC on your PC - Broadcom Netlink 59XX 10/100 Ethernet Controller
The read/write MB/sec numbers from IOMeter or drag & drop test - Read MBps 3.16, Write MBps 3.03
PC:
NIC on your PC - Realtek® 8111E , 1 x Gigabit LAN Controller(s), featuring AI NET2 (onboard NIC on Asus mobo)
The read/write MB/sec numbers from IOMeter or drag & drop test - Read MBps 5.19, Write MBps 9.91
6 Replies
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- Normally you should expect about 10 MB/s on fast ethernet.
Are you seeing any network errors on network->interfaces (click on ""show errors")? Also you might want to check the SMART+ stats under health.
You can try a direct connect test to rule out your network. IF the NAS is using dhcp, if you directly connect it to your PC it's IP address will fail over to 192.168.168.168. So you'd set the PC IP address to something compatible (192.168.168.167 for instance, with subnet 255.255.255.0). No need for a crossover cable, the NAS autodetects. - I apologize for the delayed response--thought I was subscribed!
No errors except for 749 RX (of 2260152 total RX packets). It seems like that isn't a lot, but I don't know. No significant SMART+ errors that I can see. Going to try the direct connect tonight. - Results when connecting directly:
Laptop: Read MBps 11.77, Write MBps 12.78
PC: Read MBps 41.84, Write MBps 49.93
Considering the laptop has a 10/100 card and the PC has a Gigabit card, are these speeds reasonable? Regardless, it seems that the bottleneck is my router. Are there any settings I could try on the router to try to increase the speed? 3MBps still seems awfully slow for a 10/100 router... - Actually, the ~3MBps laptop speeds were obtained over wireless-g, so that makes a little more sense, although it still seems about half as fast as it should. The only other concern is the slow Read time on the PC when going through the router (~5 MBps). Looks like the easy answer is to get a Gigabit router short of any router tweaks you could suggest!
By the way, this has been incredibly helpful. What a great forum! - ~3 MB/s over wireless-g is actually extremely good. You are confusing the link speed (54 mbits) with the throughput. Best achievable throughput of 802.11g is around 22 mbits (see the 802.11g summary here: http://en.wikipedia.org/wiki/IEEE_802.11#802.11g)
If you like your router, you could also add in a gigabit switch (gs605 for instance) - that would speed your wired network up to gigabit speeds if you connect it between the router and your wired ethernet. (wouldn't help the laptop of course). - Ahh, thank you for clearing that up re: wireless throughput speeds. Looks like I'm going to need a new router to see any significant speed upgrades.
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