Data transfer speeds on a TS-419PII

[grindstone]

Hello to all -

I have a TS-419PII in a RAID 5 configuration (all approved Seagate drives) connected to my home network which includes a Airport Extreme Router (5th generation) and a 8-port unmanaged switch - DSG-2208. I have all connected via Cat 6 cables - the QNAP is using both ethernet connections.

For the last few days I have been transferring data to the QNAP and I am getting speeds of 20 - 23mb /sec.

I am looking for any suggestions on how to achieve faster transfer speeds.

Thank you for your time and help -

Marc

[P3R]

I have a TS-419PII in a RAID 5 configuration (all approved Seagate drives)...

What Seagate drives?

...the QNAP is using both ethernet connections.

How is the Qnap network configured?

For the last few days I have been transferring data to the QNAP and I am getting speeds of 20 - 23mb /sec.

Transferring from what, that is connected how?

And the information that always should be included when asking for help, what firmware version is the Qnap running?

[grindstone]

Thank you for the response -

Here is the additional information -

All hard drives are the ST33000650NS

I have tried several different settings with the networking - the one I am using now is

Trunking Group: Group 1
Port Trunking: Balance-tlb

I am transfering folders of data that total from 250GB to 350GB from a Mac Pro using Cat 6 cables all connected to a DLINK DSG-2208 which is connected to a 5th Generation Airport Extreme Router. Currently both the Mac Pro and the QNAP TS-419 PII are set to Jumbo frames 9000

Current firmware version: 3.7.1 Build 2012061

Marc

[schumaku]

The D-Link DGS-2208 is an unmanaged switch, with balance-tlb, there is absolutley no advantage for writing to the NAS

From the NAS view:

Balance-tlb (Adaptive Transmit Load Balancing)

Balance-tlb uses channel bonding that does not require any special switch. The outgoing traffic is distributed according to the current load on each Ethernet interface (computed relative to the speed). Incoming traffic is received by the current Ethernet interface. If the receiving Ethernet interface fails, the other slave takes over the MAC address of the failed receiving slave. Balance-tlb mode provides load balancing and fault tolerance.

If you suspect network issues - re-configure to a single GbE connection only.

Using AFP or SAMBA to write to the NAS?

Please show the processor load on the NAS while uploading. Login on the NAS by SSH from your computer (Windows: puTTY, OS X Terminal app: # ssh admin@[NAS-IP-address]) using the admin credentials. Then you can enter the commands (the [~] shows just the currecnt directory, the # is the prompt.

[~] top
...

[P3R]

I am transfering folders of data that total from 250GB to 350GB...

Folders that contain many small files will be slower than a single large file. All performance testing and specifications is always only done with a single large file.

Currently both the Mac Pro and the QNAP TS-419 PII are set to Jumbo frames 9000

Qnap marketing performance specification numbers was achieved with the standard setting (1500).

[grindstone]

Thank you for all of the information -

it is good to know about the jumbo frame setting - I am trying to figure out the best way to get the peak performance

So is 20-25mb / sec what I should be expecting for most tasks?

Thank you again -

[P3R]

So is 20-25mb / sec what I should be expecting for most tasks?

No but it may be what you should expect for some tasks (when copying many small files).

Check what throughput you can achieve when copying a single large file. If you think that number is also low you could start trying the other things suggested.

[barbatrukko]

Hi,
specification says Il TS-419P can make more than 109 MB/s in download and 75 MB/s in upload iunder windows network.
You think big file (>350MB) can have this transfer speed?

[P3R]

specification says Il TS-419P can make more than 109 MB/s in download and 75 MB/s in upload iunder windows network.
You think big file (>350MB) can have this transfer speed?

I don't consider 350 MB to be a very big file (Qnap claim they used a 5 GB file) but I don't think that Qnap would dare to lie with their specifications so I'd say that it is possible to achieve those numbers.

That said, I'm convinced that a high-end workstation, an optimal network configuration and possibly even some tuning is required and I also don't think most home environments will be able to produce the same numbers. I think most users will be happy with 3/4 or even 2/3 of the specified performance.

[grindstone]

Update -

I have tired the suggestions and I am up to 25 to 33mb - still not as fast as I hoped. I did ssh into the NAS during the data transfer and the CPU is at 33.5% / Mem 1.1 with the smbd command and CPU 17.7 / Mem 0.0 for md0_raid5.

I would be really happy with 3/4 or even 2/3 - I'm just not there yet. Any other ideas?

Thank you!