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Author Topic: DNS-323 slow transfer speed  (Read 82598 times)

vk

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Re: DNS-323 slow transfer speed
« Reply #15 on: April 30, 2010, 09:51:55 PM »

For people not getting more than 11MB/s read and running Vista/Win7 you might want to turn off "TCP autotuning" on Windows to see how would it affect transfer speed.

For my case it's a bit complicated, but eventually I've got my DNS-323 working reasonably well under my 100Mbps/1000Mbps mixed network environment. Details at http://forums.dlink.com/index.php?topic=12562.0
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garyhgaryh

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Re: DNS-323 slow transfer speed
« Reply #16 on: May 07, 2010, 11:14:49 PM »

That's the best you're gonna get from this box and this box will work fine on a 100mbit network. 
Last year, I upgraded my network to gigabit because I thought my network was the bottle neck to
my dns-321 and dns-323.  After all the money spent, it doesn't read/write any faster.  My only solution
now is to upgrade my NAS to a synology DS209 or use a PC as a NAS.

The DNS boxes will  be used for backups and such
Gary
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gunrunnerjohn

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Re: DNS-323 slow transfer speed
« Reply #17 on: May 08, 2010, 07:35:30 AM »

I also have the Synology DS209, and it's now my primary NAS.  Very speedy. :)  I use the DNS-323 and DNS-321 as archive boxes now.
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Microsoft MVP - Windows Desktop Experience
Remember: Data you don't have two copies of is data you don't care about!
PS: RAID of any level is NOT a second copy.

obladeo

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Re: DNS-323 slow transfer speed
« Reply #18 on: May 08, 2010, 10:29:59 AM »

Hi i'm running at 10.9MB pc to nas. I'll let you know what speed i get once i fit the D-Link DGS-1005D.

I've also enabled hd caching so hoping that will help as my wester digital sata2 2tb green has 64 meg cache
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Elpinnen

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Re: DNS-323 slow transfer speed
« Reply #19 on: May 11, 2010, 05:22:49 AM »

Hi

I used to have a write speed of 11 MB/s when copying iso from my pc connected through my d-link router (di-624 and now dir-655) but now speed drops down to 2-3 MB/s. I have 2 WD 1.5 TB caviar green in Raid1. If I start task manager and monitor network speed when copying I can see how speed is taking a "roller coaster" between 0 and 15% instead of even speed at 11-12% like before. However, sometimes speed is even at 11-12% for a short while under the same copying of iso's. Fw is 1.07 (1.08 have a big sharing bug) and filesystem is ext2.
« Last Edit: May 11, 2010, 05:25:31 AM by Elpinnen »
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tedfroop

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Re: DNS-323 slow transfer speed
« Reply #20 on: May 12, 2010, 06:16:13 AM »

DIR 655 does not support jumbo frames.... The switch in it is also somewhat suspect as far as speed is concerned.  Having a Gigabit switch is one thing.  Lots of manufacturers just sped up their 100 speed switches to gigabit speed thinking no one will notice as 90% of people plug their pc into their router, connect a couple wireless clients and access the internet via adsl/cable/whatever.  Because that internet link is usually slower than a 100Mbit link most people never notice the switches limitations.

Most people on this forum are different from the 90%.  We have networks that do many things at the same time, streaming, internet access, storage access, backup and all that.  Having a true gigabit switch (like the D-link DGS-1005/1008) where the buffers and underlying switch was designed as a gigabit switch uncorks your network and everything speeds up. 

I learned all this as I fixed the freezing problems with my IPTV installation.  Internet comes in via a 10Mbps router.  1 link from there to the wife's pc and 1 to the rest of the network.  Everything past there connects to a DGS switch, even my dir655 which runs as an AP.

I can run two audio streams (Squeezebox's streaming FLAC), two video streams (IPTV and o!Play), surf the internet and access my nas at better than 19mbps.

Its the hardware guys - and not everything is what it says it is on the outside of the package.   
« Last Edit: May 12, 2010, 06:45:50 AM by tedfroop »
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DIR-655 - as access point
DGS-1005G x2
DGS-1008G
DNS-323 x2
DNS-325
2 Squeezeboxes

gunrunnerjohn

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Re: DNS-323 slow transfer speed
« Reply #21 on: May 12, 2010, 06:22:38 AM »

Stick a gigabit switch in front of that router and connect all the network devices to it.  Just make sure the switch supports jumbo frames. :)
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Microsoft MVP - Windows Desktop Experience
Remember: Data you don't have two copies of is data you don't care about!
PS: RAID of any level is NOT a second copy.

Elpinnen

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Re: DNS-323 slow transfer speed
« Reply #22 on: May 13, 2010, 06:22:31 AM »

Tank's for the tip putting a switch (already have dgs-1008d, did some rewiring) in front of my router (dir-655), now I can se my nas in network browser again :) But speed is no faster :( I have another nas (etrayz, raid 1) and copying the same iso-file from the same pc (win7) the speed is stable as expected. I do not use jumbo frames.
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gunrunnerjohn

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Re: DNS-323 slow transfer speed
« Reply #23 on: May 13, 2010, 08:40:03 AM »

For whatever reason, I've had issues getting jumbo frames to work properly here as well.  I did have them working at one time, don't know what changed to break them.

The good news is that my Synology NAS is very fast even without jumbo frames.
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Microsoft MVP - Windows Desktop Experience
Remember: Data you don't have two copies of is data you don't care about!
PS: RAID of any level is NOT a second copy.

vk

  • Level 2 Member
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  • Posts: 25
Re: DNS-323 slow transfer speed
« Reply #24 on: May 13, 2010, 11:12:45 AM »

Tank's for the tip putting a switch (already have dgs-1008d, did some rewiring) in front of my router (dir-655), now I can se my nas in network browser again :) But speed is no faster :( I have another nas (etrayz, raid 1) and copying the same iso-file from the same pc (win7) the speed is stable as expected. I do not use jumbo frames.
Does your pc have a fast ethernet or gigabit NIC? Have you tried to turn off auto tuning on Win7?
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Elpinnen

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Re: DNS-323 slow transfer speed
« Reply #25 on: May 13, 2010, 02:58:21 PM »

I have gigabit, Broadcom NetXtreme 57xx Gigabit Controller, and I have tried SpeedGuide.net Vista TCP/IP patch v1.5

I have 2 pictures showing the differense in speed between dns-323 and etrayz (network in task manager) when copying to nas, but showing/uploading them here not possible?
« Last Edit: May 13, 2010, 03:12:43 PM by Elpinnen »
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pyrexia

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Re: DNS-323 slow transfer speed
« Reply #26 on: May 13, 2010, 06:55:04 PM »

man. new to the dns-323 magic. just bought it and it is running 1.08.

is it normal to post a time of 6 hours for 165.22 GBB via direct connect ethernet on a macbook? Trying to use my 1.5 drive in there as an itunes server and am moving music to it from an external usb2 drive. seems really slow. is it normal?
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vk

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Re: DNS-323 slow transfer speed
« Reply #27 on: May 13, 2010, 07:11:29 PM »

I have gigabit, Broadcom NetXtreme 57xx Gigabit Controller, and I have tried SpeedGuide.net Vista TCP/IP patch v1.5

I have 2 pictures showing the differense in speed between dns-323 and etrayz (network in task manager) when copying to nas, but showing/uploading them here not possible?

How's the ftp transfer speed look like between the same hosts? If it's a lot faster than network shares then you probably want to tweak the samba configuration setting a little bit.
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gunrunnerjohn

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Re: DNS-323 slow transfer speed
« Reply #28 on: May 14, 2010, 05:22:37 AM »

7.5mbytes/sec is reasonable if you have 100mbit connections.
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Microsoft MVP - Windows Desktop Experience
Remember: Data you don't have two copies of is data you don't care about!
PS: RAID of any level is NOT a second copy.

pyrexia

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Re: DNS-323 slow transfer speed
« Reply #29 on: May 14, 2010, 07:14:26 AM »

7.5mbytes/sec is reasonable if you have 100mbit connections.


i should have gigabit though.

right now i am going macbook -> dns-323 with a cable.

it is coming at the same speed as the macbook -> airport extreme 802.11n (which should have gb) -> dns-323.

I do have a WD15EARS in there though. but jumbo frames are enabled. would that be the issue? or is it somewhere in the connection.

i apologize, but i am a complete novice that was looking for a great nas to serve as a media server for xbox360 and itunes.

any help is appreciated.
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