Print

Please login or register.
1 Hour 1 Day 1 Week 1 Month Forever
Login with username, password and session length

[tpitman]

I have read through most of the other DNS323 postings. I know that this is an inexpensive NAS and that it will never be very fast. My question is how do I make it at least as fast as other people are seeing?

I have the 323 plugged into a DIR-825 (also DLink for those who don't know).

If I plug the 323 directly into my laptop then I get write speeds of about 9 MB/s. This is ok. I could live with this. The problem is that I don't want to have to plug my computer directly into the NAS. That sort of defeats the main purpose of having a NAS rather than a USB drive. I want it on the network. If I just wanted an external hard drive I would stick with USB drives because I get 30 MB/s on them already. Since I have a laptop not a desktop I want the NAS instead for convenience. So I am willing to live with 9 MB/s or 20 MB/s if I could get it as other have said they get 20 MB/s.

If I plug the NAS into the DIR 825 and use wireless N I get only 4 MB/s. If I plug my laptop into the Ethernet router on the DIR 825 I get LESS (wierd). I only get 3 MB/s.

I have Jumbo turned on on the 323. I could not find the Jumbo setting on the 825. I also could not find a Jumbo setting on either my wireless N (Intel(R) Wireless WiFi Link 4965AGN) or my Ethernet (Broadcom NetXtreme 57xx Gigabit Controller).

I am running Windows 7 on a Dell M1730. I have the latest drivers for all as far as I can tell.

At 4 MB/s it takes about 15 hours to do my full backup. That is way too long. If I could get 9 MB/s at least it would only take about 7 hours. Bad, but I could live with it. The best would be if someone could help me figure out how to get 20 MB/s. That would make my backup only about 3 hours and that would be awesome!

[Tank_Killer]

Are you using a 4k sector hard drive like a Western digital EARS model inside your NAS?

[tpitman]

It is a Seagate Barracuda 7200.1 1.5 TB drive. I can't seem to find any specs on it to know about the sector size. Searches all show the 7200.10 instead of the .1. I know it is 1.5 TB though.

[gunrunnerjohn]

Your drive is a standard 512byte sector drive, that's not an issue.

The DIR-825 does not support jumbo frames, which is why you can't find it.  Disable jumbo frames on the DNS-323 and your computer and see if that changes the picture.

[tpitman]

At first I didn't have jumbo frames turned on and the speed was the same.

Can you recommend the least expensive 2.5 / 5 GHz Dual Band Wireless router that DOES support Jumbo Frames? I don't have a ton of money. I just bought this 825, though too long ago to return it 

[gunrunnerjohn]

Just get a gigabit switch with jumbo frame support and stick it in front of the router.  Connect all the devices and the router to the switch and you have jumbo frame support.

[tpitman]

I just did some research and everything I can see indicates that the DIR825 DOES support Jumbo Frames. Some say that it is automatic and that is why there is no setting.

Also, since my Laptop has to go through the Wireless router anyway, putting a switch between it and the NAS would not help unless there is some magic I don't know about.

[gunrunnerjohn]

You're right, I apparently looked at the wrong source, it appears it should support jumbo frames.  Perhaps upgrading the firmware on the DIR-825 might be an idea?

[tpitman]

I was thinking that same thing. I will have to check the firmware rev when I get home.

Thanks for taking the time to help me with this.

[gunrunnerjohn]

Well, I took the time, the jury is still out on the help part.

[tpitman]

Interesting. The button on the 825 itself said my firmware was up to date. I checked the support site, however, and there was a newer version.

I upgraded the firmware to 2.03NA and I still get the same results.

I also noticed that I did not have the 40 MHz setting for the wireless and I was connecting at 130 mbps on my laptop. I changed that setting and now connect to the router at 300 mpbs.

Neither of those things made any difference, however. I am still only getting about 4 MB/s.

What else can I do?

Why don't my wireless and ethernet cards on my laptop have a jumbo packet setting? I would expect they should because this is a high end laptop.

What else can I try?

[gunrunnerjohn]

Jumbo packets ONLY apply to gigabit connections, wireless will never use jumbo packets.  As far as the wired connection, if there is no jumbo support, it's likely a 100mbit NIC.

[fordem]

Jumbo packets ONLY apply to gigabit connections, wireless will never use jumbo packets.  As far as the wired connection, if there is no jumbo support, it's likely a 100mbit NIC.

No - the Broadcom NetXtreme 57xx is gigabit, and does not support jumbo frame - it's also in my experience quite lethargic as a gigabit nic - Dell also uses it on many of their business class desktops.

Just for example - if I were to connect my Optiplex desktop to the same (gigabit) switch as my DNS-323 & my IBM xSeries server - I would see 5~6 MB/sec throughput to the Optiplex and triple that to the IBM

[gunrunnerjohn]

Same answer, just different reason.   I totally overlooked that he specified the NIC.

[tpitman]

Just for example - if I were to connect my Optiplex desktop to the same (gigabit) switch as my DNS-323 & my IBM xSeries server - I would see 5~6 MB/sec throughput to the Optiplex and triple that to the IBM

Can you explain why I got ~9 MB/s when I connected the 323 directly to the Ethernet port on my laptop and only ~4 MB/s when I go connect that same laptop ethernet port through the DIR825? If I could just double my speed from 4 to 9 I would be much happier than I am now.