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Forum Discussion
Best way to copy 2TB data onto NAS
Hello,
I have an external hdd that has approx. 2TB of data on it.
I want to copy it all onto my NV+
I can either:
Connect external drive via usb direct to the nas (front ot back usb, does it make a difference?)
- or -
Connect the external drive to my laptop via e-sata and connect my laptop via gigabit ethernet (via gigabit router) to the nas
Which would be the fastest method?
If the direct usb connection, then what method of copying? Frontview backup?
If via e-sata and laptop, then via drag and drop or...?
I look forward to any replies.
TIA
I have an external hdd that has approx. 2TB of data on it.
I want to copy it all onto my NV+
I can either:
Connect external drive via usb direct to the nas (front ot back usb, does it make a difference?)
- or -
Connect the external drive to my laptop via e-sata and connect my laptop via gigabit ethernet (via gigabit router) to the nas
Which would be the fastest method?
If the direct usb connection, then what method of copying? Frontview backup?
If via e-sata and laptop, then via drag and drop or...?
I look forward to any replies.
TIA
6 Replies
Replies have been turned off for this discussion
- I suggest you use second way to copy all your data out of the NAS via cifs protocol to instead of USB port backup,it might get faster speed for you.for most cases on NV+ device,you will get 20MB/s speed,it also depends on your network hardware and CIFS setting.
you might want to see this link:
http://www.readynas.com/?page_id=5044
USB2.0 connection's speed is around 10-12MB/s,and if your external HDD is formatted to NTFS,you might get high CPU usage .
http://www.readynas.com/kb/faq/performa ... o_readynas - Hi,
I'm not copying data OUT of the nas- I'm copying data TO the nas from an external hdd
Does that change your advice? - not really.
using usb connection on nv+ will be slowest, but on the hand if time is not important you can simply set a backup job to pull data from usb and copy to whatever share.
2nd fastest would be ext drive to usb on PC, then copy across gigabit network (PC usb will be faster than NV+ usb. nv+ has like a 400MHZ processor, pc has GHZ processor).
most fastest is connect ext drive to ESATA or take out of external box and hook to inside pc sata, then copy across network. - Just started copying and gone the e-sata - laptop - gigabit router - nv+ route.
The first 67 GB is transferring at approx 15.7 MB / second - I spotted that the lead from laptop to router was cat 5
Changed it to cat 5e
The next 1.6 TB is transferring at...
15.7 MB /second :rollseyes: - Interesting topic for me. I have a Infrant ReadyNAS NV (not plus) and a Pro 6. I am just getting everything wired up and playing with data transfer and backup settings.
The NV & Pro are connected via a GS108T, not much going on with the NASes or the network. They both indicate they are connected via GigE/Full Duplex. I am doing a file copy via Frontview over NFS. Post backup, interface stats on the NV show all zeros, except for:
TCP Retransmits 199
Unrecovered TCP Retransmits 95
Interface stats on Pro 6 show all zeros, except for:
TX packets 244998950
RX packets 479556876
RX dropped 10
Performance is about 101Mbits/sec for ~609GB worth of media files. I think it works out to about 12MByte/sec, which is a little worse than:
http://www.readynas.com/?p=331#Performance
I've also been here:
http://home.bott.ca/webserver/?p=363
What to try next?
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