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Author Topic: Use to be fast, now I get slow Read/Writes  (Read 5464 times)

evaniam

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Use to be fast, now I get slow Read/Writes
« on: August 07, 2011, 12:43:56 PM »
I've had my DNS-320 for two weeks now and it use to get on average 20MB/s write and 30MB/s read in Raid-1 on my 1Gbps network. Now I am only receiving 1MB/s read and write.

I tried restarting and resetting the device with no luck...
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JavaLawyer

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Re: Use to be fast, now I get slow Read/Writes
« Reply #1 on: August 09, 2011, 05:13:38 AM »
This may seem pretty basic, but did you try power cycling your router and the PC accessing the DNS-320?
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evaniam

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Re: Use to be fast, now I get slow Read/Writes
« Reply #2 on: August 09, 2011, 06:50:30 PM »
Yeah I tried that a few times with no luck.

I actually had to restart my my entire network (modem, router, switches) and now my read/write speeds are back to normal.

Very strange... ::)
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albert

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Re: Use to be fast, now I get slow Read/Writes
« Reply #3 on: August 09, 2011, 09:19:11 PM »
Pretty obvious something is hogging your network traffic, perhaps due to virus/malware or some P2P program running in the background.
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D-Link DNS-320 rev A1 (FW: 2.05) [FFP-0.7]
PCI NAS-01G (FW: Encore ENNHD-1000 4.10)
PCI NAS-01G (FW: OpenNAS 1.9]

JavaLawyer

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Re: Use to be fast, now I get slow Read/Writes
« Reply #4 on: August 10, 2011, 04:21:51 AM »
Quote from: evaniam on August 09, 2011, 06:50:30 PM
Yeah I tried that a few times with no luck.

I actually had to restart my my entire network (modem, router, switches) and now my read/write speeds are back to normal.

Very strange... ::)

I experience a vaguely similar issue with my DNS-343 where the read/write throughput is only impacted by one particular PC on the network. Apparently, the DNS-343 isn't compatible with some Windows 7 installations (the root cause is unknown), and every now and then I have to reboot the Windows 7 box to restore normal read/write throughput between the DNS-343 and Windows 7 PC. All other PCs on the network behave normally.

You're issue could have been anything from a hanging process from a particular client or network device or any number of things. So, oddly enough, I'm not surprised that rebooting your network fixed things. I've seen stranger things happen.
« Last Edit: August 10, 2011, 04:41:23 AM by JavaLawyer »
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discoburg

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Re: Use to be fast, now I get slow Read/Writes
« Reply #5 on: August 14, 2011, 11:21:21 PM »
I also faced the same problem. Bought the DNS-320 last Thurs and it worked well till sat. Took me 20 min to moved a 300mb file from 1 folder in the NAS to another folder in the same NAS.

Quote from: evaniam on August 07, 2011, 12:43:56 PM
I've had my DNS-320 for two weeks now and it use to get on average 20MB/s write and 30MB/s read in Raid-1 on my 1Gbps network. Now I am only receiving 1MB/s read and write.

I tried restarting and resetting the device with no luck...
Logged