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Re: Ultra 6 Performance question

Tripod3D
Aspirant

Ultra 6 Performance question

I had this for about 4 years and was never happy with its speed.  And I just want to confirm if the speed I'm getting is normal.

 

ReadyNAS Ultra 6 with three 3TB disks (2 seagate and 1 WD) in X-Raid 2.  Jumbo frames are off (actually hurt transfer speeds in my case) and log is turned off.  Write caching is on.  Network ports are set to auto and reports that gigabit is enabled.  All switches and routers are gigabit capable and enabled.  All Cat6 cables.

 

When transferring a folder with a lot of files, both small and large, I'm getting around 20~30Mbps.  When I transfer the same folder to our file server with RAID-10, I get about 100Mbps.

 

We originally purchased the NAS hoping that it would serve as our file server but the performance is so slow that we just use it as backup storage.

 

Is the speed I'm getting normal?

Message 1 of 19
StephenB
Guru

Re: Ultra 6 Performance question

How are you transferring the files? (cifs?)

 

If you have a chance maybe run NasTester (http://www.808.dk/?code-csharp-nas-performance) and share the results here.

Message 2 of 19
Tripod3D
Aspirant

Re: Ultra 6 Performance question

Yes, cifs and dragging and dropping to mapped drive.  From Win10.

 

Tried the program and getting this error when using drive letter.

An error occured: Could not find a part of the path 'N:\1test.tmp'.

 

When I use IP address or network name, I get this,

An error occured: The network name cannot be found.

Message 3 of 19
Tripod3D
Aspirant

Re: Ultra 6 Performance question

Got the tester working.  It gives those errors if I run it as administrator???

 

Running a 400MB file write on N: 5 times...
Iteration 1:     29.85 MB/sec
Iteration 2:     29.46 MB/sec
Iteration 3:     28.02 MB/sec
Iteration 4:     28.68 MB/sec
Iteration 5:     28.27 MB/sec
-----------------------------
Average (W):     28.85 MB/sec
-----------------------------
Running a 400MB file read on N: 5 times...
Iteration 1:     93.46 MB/sec
Iteration 2:     89.19 MB/sec
Iteration 3:     94.99 MB/sec
Iteration 4:     94.94 MB/sec
Iteration 5:     95.06 MB/sec
-----------------------------
Average (R):     93.53 MB/sec
-----------------------------

Message 4 of 19
StephenB
Guru

Re: Ultra 6 Performance question

Read speed is as expected.  

 

The write speeds look about 1/2 what I'd expect to see with an ultra-6 running single redundancy xraid.

 

You do have the write cache enabled?

Message 5 of 19
Tripod3D
Aspirant

Re: Ultra 6 Performance question

Yes.  Mentioned it on the original post.

Message 6 of 19
mdgm-ntgr
NETGEAR Employee Retired

Re: Ultra 6 Performance question

You mentioned the brand of the disks, but not the model.

Message 7 of 19
Tripod3D
Aspirant

Re: Ultra 6 Performance question

Seagate ST3000DM001 3TB

WD Red 3TB NAS Hard Drive  WD30EFRX

Message 8 of 19
mdgm-ntgr
NETGEAR Employee Retired

Re: Ultra 6 Performance question

How full is your data volume?

Message 9 of 19
Tripod3D
Aspirant

Re: Ultra 6 Performance question

27%

Message 10 of 19
Tripod3D
Aspirant

Re: Ultra 6 Performance question

I just checked off write caching and it didn't make any difference in write speed.  Perhaps the write caching isn't working?

Message 11 of 19
StephenB
Guru

Re: Ultra 6 Performance question

Maybe try disabling the journalling also.

 

Have you looked at the SMART stats for the disks? 

Message 12 of 19
Tripod3D
Aspirant

Re: Ultra 6 Performance question

Journaling was always off.  And the Smart all checks out.  Do I have to reboot the NAS after changing write caching?  It didn't auto restart.

Message 13 of 19
StephenB
Guru

Re: Ultra 6 Performance question


@Tripod3D wrote:

Journaling was always off.  And the Smart all checks out.  Do I have to reboot the NAS after changing write caching?  It didn't auto restart.


I'm not sure, but it wouldn't hurt to reboot it.  

 

If its been up a long time, its possible that a reboot might improve performance generally though.

Message 14 of 19
Tripod3D
Aspirant

Re: Ultra 6 Performance question

Rebooting after changing the write caching doesn't make a difference.  What would be the reason for write caching not having any effect?

Message 15 of 19
Retired_Member
Not applicable

Re: Ultra 6 Performance question


Tripod3D schrieb:

Rebooting after changing the write caching doesn't make a difference.  What would be the reason for write caching not having any effect?


Do you find a solution to your performance problem? My Ultra 6 (Version 4.2.28, 4x WD30EFRX, X-Raid2, Smart OK, only write cache on) has similiar performance problems with cifs file transfer. (~30 MB/s write / ~60 MB/s read)

Message 16 of 19
StephenB
Guru

Re: Ultra 6 Performance question


@Retired_Member wrote:
My Ultra 6 (Version 4.2.28, 4x WD30EFRX, X-Raid2, Smart OK, only write cache on) has similiar performance problems with cifs file transfer. (~30 MB/s write / ~60 MB/s read)

Is journalling disabled?

 

Are these large file transfers?

Message 17 of 19
Retired_Member
Not applicable

Re: Ultra 6 Performance question


StephenB schrieb:

@Retired_Member wrote:
My Ultra 6 (Version 4.2.28, 4x WD30EFRX, X-Raid2, Smart OK, only write cache on) has similiar performance problems with cifs file transfer. (~30 MB/s write / ~60 MB/s read)

Is journalling disabled?

 

Are these large file transfers?


File size ~ 4GB per file.

Journalling was disabled. I switched it on and off, restarted the NAS now it works normal with read ~100MB/s and write ~80MB/s!

 

Thank you for your response.

Message 18 of 19
StephenB
Guru

Re: Ultra 6 Performance question


@Retired_Member wrote:

Journalling was disabled. I switched it on and off, restarted the NAS now it works normal with read ~100MB/s and write ~80MB/s!

 .


That's great news (though I am thinking it might have been the restart that did the trick).

Message 19 of 19
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