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Author Topic: DNS-323 performance?  (Read 15015 times)

maxjbo

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DNS-323 performance?
« on: January 12, 2009, 11:10:20 AM »

What kind of performance should I be expecting from this device, at the moment I get between 6MB/s and 12MB/s with a single drive, while copying large files (1GB+) to and from my PC. Is there anything I can do get better results?
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bigclaw

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Re: DNS-323 performance?
« Reply #1 on: January 12, 2009, 12:27:39 PM »

On what kind of network? Gigabit? 100M?
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maxjbo

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Re: DNS-323 performance?
« Reply #2 on: January 12, 2009, 12:37:26 PM »

Yes, I'm running on a Gigabit network, through a DIR-825.
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energyweapon

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Re: DNS-323 performance?
« Reply #3 on: January 12, 2009, 12:59:48 PM »

I have raid1 config and get 12M/s for both up and down on a Gbit len.
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maxjbo

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Re: DNS-323 performance?
« Reply #4 on: January 12, 2009, 01:08:27 PM »

Ok, is it me or is this relatively low? I was expecting a much higher transfer rate. What about RAID 0 or SSDs?
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unwanted

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Re: DNS-323 performance?
« Reply #5 on: January 12, 2009, 01:20:02 PM »

I talked with a Product Rep (Not the flaky Customer Service reps) and they said max performance of their NAS' are 15MB/s. When asked why a 1gbps NAS which should have a theoretical transfer of 125MB/s only has so little, he responded with the CPU can only handle so much speed.

I would argue it has more to do with the controllers involved, but that's just my opinion. It's still pretty week to get more performance out of an USB external drive than an Gigabit NAS.
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mig

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Re: DNS-323 performance?
« Reply #6 on: January 12, 2009, 03:03:33 PM »

I would argue it has more to do with the controllers involved, but that's just my opinion. It's still pretty week to get more performance out of an USB external drive than an Gigabit NAS.

I would argue it has more to do with RAM involved, and that's not just my opinion

Quote from: Bill Meade at www.smallnetbuilder.com
The best place to put your money to optimize NAS performance is to beef up the RAM on a NAS and each networked client.

Full article at this link:http://www.smallnetbuilder.com/content/view/29936/79/1/4/
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Lucid

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Re: DNS-323 performance?
« Reply #7 on: January 12, 2009, 05:19:27 PM »

I reset the DNS-323 to factory defaults. Gigabit speeds went up to 24MB/s again!! ...

I realise there are a few threads on this topic already.

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than

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Re: DNS-323 performance?
« Reply #8 on: January 13, 2009, 03:24:02 AM »

Hi,

For Hi speed transfers like 20-24MB/s in windows (vista x64 in my case) you need to enable the jumbo frames in your dns-323, and in your Windows LAN card. Finally the switch, router or any other device needs to have jumbo frames support.

Before activating juMBo frames i have +- 12mb/s

Best regards and sorry for my English.
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maxjbo

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Re: DNS-323 performance?
« Reply #9 on: January 13, 2009, 04:41:43 AM »

Thanks, I'll go with the recommendations here to try and reach 25MB/s, but I guess in the end the article that Mig posted was eye-opening, my expectations were unrealistic. Although I like the extra features that the NAS provide I might end up using it as a backup solution only, when what I really wanted was a central file sharing hub.
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Lucid

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Re: DNS-323 performance?
« Reply #10 on: January 13, 2009, 05:46:11 AM »

Trust me. This device rocks hard! I use it as a file / media / backup server with 4 computers on my LAN and find the machine a great asset.

Lucid
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maxjbo

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Re: DNS-323 performance?
« Reply #11 on: January 13, 2009, 06:08:26 AM »

Yes, like I said, I like the added functionality(web services), but as part of a local network I'm still undecided if I should not opt for a USB 2 RAID enclosure hooked to my Media Center PC.

Also, what size do you recommend for the Jumbo frames? I've read recommendations on this forum to set it at 4000, what if I max it out?
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bigclaw

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Re: DNS-323 performance?
« Reply #12 on: January 13, 2009, 07:38:11 AM »

Also, what size do you recommend for the Jumbo frames? I've read recommendations on this forum to set it at 4000, what if I max it out?

Test with different values and arrive at your own conclusion. Jumbo frame performance is highly variable in different setups. The popular values to try are 4k and 9k.
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Lucid

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Re: DNS-323 performance?
« Reply #13 on: January 13, 2009, 08:40:07 AM »

Small LAN + Jumbo Frames = Nothing substantial

If your Router is DIR-655 then don't bother with anything higher than 4000k it switches after that. There are MANY topics with this already in discussion.

Lucid
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maxjbo

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Re: DNS-323 performance?
« Reply #14 on: January 13, 2009, 09:45:17 AM »

Actually my router is the DIR-825, I'm not even sure it supports Jumbo frames, since I never had to play with it to get decent speed.

Here's a few topics I came across when searching (for those interested)
Some benchmarks:
http://forums.dlink.com/index.php?topic=2985.msg16264#msg16264
NAS performance tester:
http://forum.dsmg600.info/p15002-2008-05-18-15:11:00.html#p15002
DNS-323 wiki:
http://wiki.dns323.info/
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