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mab45's avatar
mab45
Tutor
Jan 10, 2012

Readynas NV+ slow performance despite best efforts!

[Setup / Devices]

ReadyNAS NV+ / 1GB RAM - RAIDiator 4.1.8 [1.00a043], X-RAID, 4 disks
SAMSUNG Spinpoint F4 HD204UI 2TB 5400 RPM 32MB SATA 3.0Gb/s (3.5 of 5.4TB free)
ASUS Black Diamond Gigabit ASUS RT-N56U Wireless Router (brand new), but got same slow results before upgrading from a Cisco Linksys WRT320N
ASUS Gigabit NIC on motherboard
Windows 7 Home Premium
2500k Intel i5 Quad Core Sandy Bridge, at 3.1Ghz, 8GB DDR3 1666 RAM
128GB OCZ Vertex 3 SSD

[Notes]

* Readynas NV+ and PC NIC are connected through ASUS RT-N56U router
* Readynas uses a static ip configuration / 1000Mbit with full duplex is auto-negotiated
* Auto-journaling disabled
* PC and Router are using static ip configurations (I tried both with and without)
* On the readynas there are no 3rd party add ons running. Enabled services are cifs/afp/ftp
* I also connected the PC directly to the NAS without any router in between, but it made ZERO difference

[Issue]

I am experiencing SEVERE performance issues. Honestly, I think these issues have existed since I bought the ReadyNAS 1 year ago. My read/write speeds are pathetic. Typically 4-5MB/s, and never any higher than 9-10MB/s (which only lasts for short intervals during some of my troubleshooting). I only noticed the slow transfer speeds because my new Canon T2i camera takes 1080p video and it was choppy and unwatchable over the NAS!

[Tests]

I've been running tests off/on for 30 days using IOMeter as outlined on this site. Nothing helps.
-I went through the optimization guide, and no luck.
-Jumbo frames off/on, no difference, or worse... And I enabled/disabled them on my PC NIC as well to correlate appropriately.
-changed my CAT6 cables
-upgraded my router from the Linksys WRT320N to the ASUS Black Diamond
-utilized static IP addresses

[Closing]

I don't know what the heck to do?! I'm so frustrated. I can't even play/edit my pictures and movies from my NAS because it's so slow, which completely undermines my plan of using my 128GB SSD as my PC powerhouse with storage on my 8TB NAS.... please help. I'm desperate.

27 Replies

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  • fbmachines wrote:
    Are you still running via a direct connection or are you going through a switch/router?


    I'm back to going through my switch/router because I need my internet up and running for daily use. I tried the direct connection w/o a difference. I used a Linksys WRT320N router initially with no luck. So, just in case, I upgraded to the top-of-the-line ASUS Black Diamond RT-N56U. Same results as above after all the troubleshooting.
  • Any network errors within Frontview (Network>Interfaces then "Show Errors")?
  • fbmachines wrote:
    Any network errors within Frontview (Network>Interfaces then "Show Errors")?


    Thanks for your assistance, I'm all ears. Zero errors other than the bottom two values. TCP Retransmits=651, Unrecovered TCP Retransmits=133. I hope that might help.
  • Do you have a 2nd computer you could use to eliminate it's on the computer and/or NIC (network interface card) side?

    What is the make and model of the NIC in your PC? What version driver is installed for the NIC?
  • fbmachines wrote:
    Do you have a 2nd computer you could use to eliminate it's on the computer and/or NIC (network interface card) side?


    Yeah, that's a good thought. I'll have to see if my wife's laptop behaves the same, but I'm not sure the quality of that NIC either. Otherwise, I could also unplug my Readynas and take it to a friends house to see as well....

    fbmachines wrote:
    What is the make and model of the NIC in your PC? What version driver is installed for the NIC?


    Intel 82579V Gigabit NIC - Intel PROSet Version 16.8.46.0, Driver from 1/11/2012, version 11.15.16.0

    Thanks again
  • About 4 days ago, after updating my Intel NIC to the Jan 2012 drivers, I tried disabling Jumbo Frames, just for the heck of it... Of course, I rebooted my NAS after changing the setting.

    4 days ago, my read speed was 42MB/s (after the reset). 3 days ago, it was 42MB/s. 2 days ago it was 32MB/s. Yesterday it was 20MB/s. This morning, it's back to a pathetic 7MB/s ?!?!?!? I'm so confused.

    I'm guessing that the biggest factor here is the NAS re-boot cycle that somehow helps the speed. I'm gonna test only rebooting it right now and see what happens.

    UPDATE -----> Just rebooted and the speeds are still at 7MB/s :(
  • StephenB's avatar
    StephenB
    Guru - Experienced User
    Did you also reboot the PC? (and switches/routers)?

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