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Forum Discussion
reckelator2000
Dec 18, 2011Aspirant
Slow write from usb to readynas duo
So I have a lot of music on this external hard drive that I am putting on my readynas duo so I can stream it via firefly. the transfer rate is really slow at 500kb/sec (I was expecting 2 or 3 MB/s). In case it matters, I connected the HD via the front USB connection.
Please advise. Thank you in advance.
Please advise. Thank you in advance.
11 Replies
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- Have you tried using a different USB drive to test the speed of the nas?
- siignaNETGEAR Employee RetiredAnother thing to consider is what filesystem are you running on the external drive?
- ReadyNDSIAspirantofftopic: I do not want to hijack this thread!
Well I have an USB2.0 Samsung G3 2TB drive connected to the front USB port, enabled the checkbox for USB speed but i went from 1MB > 2MB transfer speed from NAS to HDD. when i connect this HDD to my laptop it has 30MB so the drive is fine. so why does the NAS only give a 2MB??
[Opening both the NAS folder and HDD folder on PC then just select the folder and ctrl+c, then select my USB HDD and ctrl+v]
[external HDD Filesystem: NTFS] - reckelator2000Aspirant
arjoseph wrote: Have you tried using a different USB drive to test the speed of the nas?
No, I haven't yet. Although when I plugged the external iomega drive into my windows 7 machine and copied the songs to the NAS via ethernet, it transfer from 2-3 times faster than connecting it directly (so connected directly to the NAS via USB, transfer rate was about 500mb/sec versus ~1.5kb/sec connected via USB to my windows 7 machine. I would have thought transferring the files directly to the NAS from the NAS USB would have been faster which is why I tried this first.)
Maybe this is expected but I don't understand why.
Related, my NTI shadow seems to require readynas remote application to back up correctly - no matter if I am on my LAN or somewhere else. With this in mind, In the scenario above, am I therefore transferring the files out though the internet via ReadyNas remote and then back to the NAS?
I also bought 1 GB of RAM to improve the NAS performance. (Wish I had waited to get the DUO v2 which has the faster intel chip rather this is dinky sparc chip). - reckelator2000Aspirant
siigna wrote: Another thing to consider is what filesystem are you running on the external drive?
They files were written to the external drive from a MAC but should that matter when transferring to a linux NAS that has both CIFS and AFS enabled? (isn't AFS, the apple file system). - StephenBGuru - Experienced User
I think you mean AFP is enabled, not AFS. Anyway, you are confusing file protocols with disk formats - the two are completely different.reckelator2000 wrote: siigna wrote: Another thing to consider is what filesystem are you running on the external drive?
They files were written to the external drive from a MAC but should that matter when transferring to a linux NAS that has both CIFS and AFS enabled? (isn't AFS, the apple file system). - reckelator2000AspirantThanks - you are right (obviously) and I guess matching apple file protocols and disk formats doesn't help?
- StephenBGuru - Experienced Userext3 is probably the speediest choice for USB format, as it is the native Linux format. Though it is not that easy to access ext from Windows, not sure about Mac.
Are you copying from the NAS to the USB drive through your mac? Or are you using a frontview backup job? Frontview backup is more efficient (otherwise you are copying over the network twice). Also, many users are reporting a significant performance drop with 4.1.8, esp. with AFP. You could try going back to 4.1.7 (or try the 4.1.9 beta). - reckelator2000Aspirant
StephenB wrote: ext3 is probably the speediest choice for USB format, as it is the native Linux format. Though it is not that easy to access ext from Windows, not sure about Mac.
Are you copying from the NAS to the USB drive through your mac?
No I was copying to the NAS from the USB port on the front of the NAS originally and then from the Windows 7 machine to the NAS (the latter method was 2-3X faster).StephenB wrote: Or are you using a frontview backup job? Frontview backup is more efficient (otherwise you are copying over the network twice). Also, many users are reporting a significant performance drop with 4.1.8, esp. with AFP. You could try going back to 4.1.7 (or try the 4.1.9 beta).
No I was not doing a fronview backup job. Do you mean was I backing up my NAS to an external drive via USB on the NAS? (the answer is "no")
I was using the Shadow software provided by Netgear to back up my windows 7 machine to the NAS via LAN ethernet.
(This last point is moot for me now b/c I upgraded to windows 7 ultimate so I could use this version's backup feature among other features which doesn't seem to have the readynas remote dependancy - I can just use the lan ip address to the correct "Backup" folder on tthe NAS.
For product improvement's sake, Shadow backup software seemed to need the "leaf network" ip address and readynas remote running which I don't understand. ) - StephenBGuru - Experienced Userok. I am getting a little confused. Earlier on the thread you talked about a Mac writing files to the external drive, and also Windows 7. There seemed to be two issues - USB speed and NTI Shadow. I was focusing on the USB speed.
Anyway, if you haven't ever used Frontview backup, then you haven't ever transferred directly from the NAS Raid Volume to the NAS-connected USB drive. You have always transferred through the PC. (Frontview backup is not just for backup, it is a handy way to have the NAS copy stuff).
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