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54 posts

Master Geek
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# 138271 27-Dec-2013 22:14
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Hello everyone.

Today i bought Synology ds414 and wd red HDD for 3tb. When i got home i tried to set it. First it was easy when i plug hdd, connected nas to the router(asus dsl-n55u which is connected to the telecoms vdsl modem) . After that it automatically set itself and was ready to use. However when i tried to transfer all my files from desktop to the nas i got funny speed which was only 3-7 mbps...

the web site which did a test of the nas claims that the speed should be much higher-

"So everything sounds good in theory, but the kicker is the DS414 also far outperformed our expectations in practice. Using our test setup of a pair of NAS-focused WD Red 4TB HDDs over Gigabit Ethernet the DS414 posted ballistic read and write times of 112MBps (896Mbps) and 97.3MBps (778.4Mbps) using SHR."


So i kind of getting 40 times slower speeds....Could you please help me and advice me on what i am doing or not doing as i have no experience with nas at all.Tried to search the net but couldn't find anything.

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3281 posts

Uber Geek
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  # 958125 27-Dec-2013 22:25
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Are you connecting via wifi or wired? Both the nas and your desktop. If wired, are they both plugged into the LAN ports of the asus router?



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Master Geek
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  # 958126 27-Dec-2013 22:26
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nas is connected wired to the router.Desktop is connected wired to the same router.

 
 
 
 


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  # 958128 27-Dec-2013 22:36
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How are they wired - via house wiring or direct (with patch cables) or similar? Have you tried other cables if possible?

Also look for any "green" settings in the router management? Is it running the stock asus firmware?

EDIT: And ye, as below, the difference between MB and mb\Mb is important here! :)

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  # 958129 27-Dec-2013 22:37
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3MBps or 3Mbps?

3MBps would be 24Mbps
7MBps would be 56Mbps

My guess is your Desktop's NIC is 100Mbps? In saying that though if the rest of the network is 1Gbps you should be able to get close to maxing out the 100Mbps. Maybe the cable you are using has a damaged pair in it making the NIC auto-negotiate dwon to 100Mbps and possibly even half-duplex. Or maybe some weird port settings on your router isn't letting the desktop NIC auto-negotiate properly.



54 posts

Master Geek
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  # 958132 27-Dec-2013 22:43
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its 7MB so times 8 is 56Mbps...still is very low.My network adapter is 1Gbps full duplex

And i used a new cable out of the box.But to be sure i used another new cable and connected it to another port on nas(since i have 2) and on another port on the router



54 posts

Master Geek
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  # 958133 27-Dec-2013 22:46
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I followed that http://www.geekzone.co.nz/forums.asp?topicid=126933

in order to make my adsl router work on vdsl connection



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Master Geek
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  # 958136 27-Dec-2013 23:00
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i got another speed record-under 1MBps transfer speed from ssd...impressive

 
 
 
 


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  # 958138 27-Dec-2013 23:09
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Have you got another pc to test from? Desktop definitely has a gigE nic and have you tried another cable to the desktop?

Perhaps turn off bridging on the telecom modem, take the asus router out of the picture,  and try it with both desktop and nas plugged into the thomson? I know it doesn't have gigE LAN ports, but you should be getting at least higher than 1MB/s so it might help rule the router out.

Anybody else using your home network?



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Master Geek
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  # 958140 27-Dec-2013 23:16
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i have a problem here...nas is connected to the asus router and in the synology network settings its shows that its connected to the 100Mbps full duplex,mtu 1500. I think its a bottleneck?

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  # 958143 27-Dec-2013 23:27
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If the drive wasn't setup in any format. Expect it to take ~1day to sync too. Which will kill transfer. My Asustor took about 13hrs to complete raid sync, during the time maxed out at 7-11MB/s. Now does 40-80



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Master Geek
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  # 958144 27-Dec-2013 23:29
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yes but when u pay over 800 only for nas without hdds you expect some performance. nas is connected to a 100 mbps port.is it a problem?

my router has four Gigabit Ethernet ports however in synology network settings its said that its connected to 100 link...why is that

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  # 958147 27-Dec-2013 23:45
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Mine was 1300. The price of it is not relevant for diagnosing or the suggestions we are giving and you are seeking.

Look at the current disk status. If you setup the raid. It Has to sync every byte on every sector, this will take time. This will hamper performance until it's complete

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Ultimate Geek
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  # 958148 27-Dec-2013 23:48
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Bigfox,

 

 

A few questions:

 

 

1. Are you sync'ing the data or copying?

 

2. If copying is it over a NFS or SMB share?

 

3. Also programs like i/jperf (which maybe they used in the test?) test speed between memory over LAN, not from Disk to disk.

 

4. Are both the PC and NAS connected to your router at Gigabit speeds? (I use ssh with ifconfig to check).

 

 

Let use know how you get on Synology is good, but it sounds like a problem somewhere.

 

 

-Al

 


BDFL - Memuneh
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  # 958149 27-Dec-2013 23:57
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Perhaps the router is configured to "power saver" - this sets the interfaces to 100 Mbps instead of 1 Gpbs.

And as others asked, is this NAS configured for a RAID? If so, what type?







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Master Geek
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  # 958152 28-Dec-2013 00:05
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yes everything has been synchronized as i installed it like  7 hours ago and i use only 1 hdd of 3TB.I use SHR raid system. I tried to copy from the desktops hdd to the nas.And yes for some reason ports on router had some sort of problems and were giving me only 100 instead of 1000.After a few times changing the ports on the router i could see 1000 mbps connection status on synology network settings. After that i transfered a few 3Gb files from desktop to the nas and could reach 97MBps to 118 MBps(which almost reaches its maximum). I would assume the problem with the port on my router caused the problem.

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