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[albert]

I have Win 7 HP, DNS-320: 2xdisk in RAID 1 (1 Volume), D-Link router.
CIFS is unstable in long sessions:(

What was your biggest file that your transfered?
Firmware 2.0?

Transferring a 100GB file from external drive to the NAS, firmware was still v1.00 at that time.

[bozydar]

Transferring a 100GB file from external drive to the NAS, firmware was still v1.00 at that time.

From external drive connected to NAS by USB? If yes, that is not the same as transfering 100GB file via network.

[albert]

From external drive connected to NAS by USB? If yes, that is not the same as transfering 100GB file via network.

No, transferring via NAS USB port is way too slow for comfort, I'm referring to transferring via network, external drive connected to my laptop. I thought everyone is on the same channel!!  

[bozydar]

I thought everyone is on the same channel!!  

Yes sir! Network, no USB.

[D-Link Multimedia]

Are any of you using the Web GUI during this transfer? Any modifications to settings what so ever (doesn't have to be samba related settings, p2p etc). There are certain triggers in the interface that when you change a setting it will reboot the SMB service and kill any transfers at the time. If this isn't the case and you are just transferring data across the network over CIFS with no other interaction then I will look into it however I have been transferring data between NAS's and my PC's for months on the release firmware with no issues like this unless I was modifying system settings simultaneously. I have transfered over 2TB of data routinely between devices without this issue.

For those having this issue please let me know if it was a simple transfer fail or if you were in the WebGUI during failure.

[bozydar]

For those having this issue please let me know if it was a simple transfer fail or if you were in the WebGUI during failure.

- No WebGUI.
- DHCP is off.
- I checked router log - no errors (D-Link 724GU)
- I ran ping -t on DNS-320 simultaneously - 0 drops.
- I turned off automatic network share disconnection in Windows
... and still the same problem.
DNS-320 says:

 Apr 11 19:46:52 CIFS: [10.60.0.127] closed the connection to service [Secured]. 
 Apr 11 19:44:56 CIFS: [10.60.0.127] connected to [Secured] as user [xxx]. 
 Apr 11 19:44:56 CIFS: [10.60.0.127] closed the connection to service [Secured]. 
 Apr 11 19:44:56 CIFS: [10.60.0.127] closed the connection to service [Shared]. 
 Apr 11 19:41:27 Set Fan Speed To "Low".
 Apr 11 19:37:14 Set Fan Speed To "Stop".
 Apr 11 19:30:54 Set Fan Speed To "Low".
 Apr 11 19:24:33 Set Fan Speed To "Stop".
 Apr 11 19:20:20 Set Fan Speed To "Low".
 Apr 11 19:00:54 CIFS: [10.60.0.127] connected to [Shared] as user [xxx]. 
 Apr 11 19:00:54 CIFS: [10.60.0.127] connected to [Secured] as user [xxx].

Maybe in a day or so I'll check direct connection from my notebook (so no router and different computer).

[djstrobe4real]

NO web GUI access here either. I really hope this is solved, I've got a RMA number just Incase.

[bozydar]

I ran my test once more with precise ping log. Copy failed:(
I checked error time and ping was ok at that time - <1ms, so there was connection to DNS-320.
All pings in log during copy are below 1ms.

As you might notice I have two network shares connected to my computer (names: Shared and Secured) and I copy 100GB file on one of them (Secured).

[D-Link Multimedia]

Do you have issues with both writing to the drive and copying from or just one way? Also how many users do you have and how many shares? I currently am running mine in open mode and just tranfered 1.5TB of data with no issues.

[bozydar]

As I said before: two users and two shares. "User1" have access to "Shared" network share, "User2" have access to "Shared" and "Secured" network shares.

My test scenario involves only "User2" copying data to "Secured" share, but "Shared" share is also mapped.

I have two disks in RAID 1. Now they are Samsung drives, but I had the same problem with two old WD drives.

I only tested writing. Writes fail after some time (usually after 30-50 minutes of work). It looks like network drives disappears for a moment and then works again. But this small moment ruins big file transfer on normal Windows copy function. Also I can see warning during my photo library backup, but it is not a big problem, because backup program retries and finishes backup after this strange network drive disconnection and reappearance.

I'll try to do reading test, but don't have such a big file on DNS-320, because I can't transfer them:(
As I said before, I tried ftp transfer and It worked for more than 2 hours, but because of the slow transfer I didn't finish whole 100GB file copy.
I'll also try to do file copy from different computer and without router.

[D-Link Multimedia]

Just to confirm since you are using Win7...you only have the Shared folder mapped on your Win7 PC? I know Win7 only allows one map per network IP to be mapped as a drive so I assume your Secured folder is not mapped and you are just copying via network or by manually connecting to the IP and share?

**EDIT** Actually I just tried to even connect to the non mapped share and Win7 does not allow this unless I disconnect from the "Shared" map drive. How exactly are you connecting to both simultaneously?

[bozydar]

I'm not sure, if I understand you perfectly... I use something like that:

net use u: \\10.60.0.166\Secured password /user:User2
net use t: \\10.60.0.166\Shared password /user:User2

And I have drives u: and t: and they both work.

I made one mistake in my previous description. I ran my test from Vista Ultimate 64 bit. I have Windows 7 on my notebook and I didn't test large file transfer from my notebook, but above mappings do work on my Windows 7 notebook (both drives u: and t: mapped on "Secured" and "Shared" network shares).

I think that you can't connect as different user to the same ip, but you can map any number of network shares from the same ip using the same user.

I cleared my old logs from DNS, but from recent logs I can say, that always "Shared" share is disconnected first and it is not used in the test (I copy on "Secured"). Tomorow I try to map only one share and do the test.

[D-Link Multimedia]

Ah I see using the same username for both shares, got it. I am copying data right now on my replicated setup and will let you know how it goes. All my testing is from Win7 Sp1.

[D-Link Multimedia]

I had copys going all night to my "Secured" folder and I had no disconnects. I have tried copying from a PC to the Shared folder as well as copying from another Mapped NAS to the Secured folder on the test NAS through my PC. I was able to copy over 1TB of data to the NAS until it gave me a 'full drive' error in windows. So far I am unable to replicate your issues.

[bozydar]

I've just finished my test with only one shared network drive (Secured).
Test failed:

Apr 13 19:27:58 Set Fan Speed To "Stop".
Apr 13 19:25:23 CIFS: [10.60.0.127] closed the connection to service [Secured].
Apr 13 19:22:17 CIFS: [10.60.0.127] connected to [Secured] as user [xxx].
Apr 13 19:22:17 CIFS: [10.60.0.127] closed the connection to service [Secured].
Apr 13 19:19:31 Set Fan Speed To "Low".
....
Apr 13 18:09:41 CIFS: [10.60.0.127] connected to [Secured] as user [xxx].

I'll try to do the test from my notebook.

Are you using 2.0 firmware?

Also I did EnableLinkedConnections as stated here:
http://support.microsoft.com/kb/937624

Maybe author of this thread should say if he changed anything in Windows, because he has the same problem as me.