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Profiles when run through vvengine are suddenly failing

 
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deriderj



Joined: 16 Sep 2007
Posts: 24
PostPosted: Thu Aug 14, 2008 4:48 am    Post subject: Profiles when run through vvengine are suddenly failing Reply with quote
The last couple of days my tasks in vvengine started failing with "Source folder not found". The profiles are executed through vvengine and run once a day. The failure is consistent not sporadic and so my disaster recovery backup jobs haven't worked for 3 days now.

I can run the profile manually through ViceVersa and it works fine; it only fails when run through vvengine.

I attempted to run this from two different computers and got the same results (tasks fail with "Source Folder not found"). The profile is copying data using a UNC through a VPN connection.

The vvengine service is being run under a local adminstration account (not the local system account).

This just started happening 3 days ago on a vvengine task that has been running successfully for close to a year.

I updated to the latest version of ViceVersa and vvengine but updating did not change anything, the "Source Folder not found" error still occurs when running the profile using vvengine.

What could be going on?

What can I do to correct this issue that is disabling my disaster recovery?
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TGRMN Software
Site Admin


Joined: 10 Jan 2005
Posts: 8763
PostPosted: Thu Aug 14, 2008 10:47 am    Post subject: Reply with quote
Hello

Are you running ViceVersa under the same account as the service? (I assume so).
Do you need to connect to the VPN with user and password?
Which version of Windows are you running , did you change anything?

thanks
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deriderj



Joined: 16 Sep 2007
Posts: 24
PostPosted: Thu Aug 14, 2008 3:01 pm    Post subject: Reply with quote
deriderj wrote:
I can run the profile manually through ViceVersa and it works fine; it only fails when run through vvengine. This just started happening 3 days ago on a vvengine task that has been running successfully for close to a year.


TGRMN Software wrote:
Hello
Are you running ViceVersa under the same account as the service? (I assume so).
Do you need to connect to the VPN with user and password?
Which version of Windows are you running , did you change anything?
thanks


Yes, I am running ViceVersa under the same account as the service.

Yes, I connect to the VPN with a domain\user and password.

ViceVersa and vvengine are running under Windows XP. The data being copied is coming across the VPN connection from Windows XP and Windows Server 2000.

Nothing has changed on the Windows XP machine running ViceVersa and vvengine.

Nothing has changed on the Windows Server 2000 machine that data is being copied from.

Nothing has explicitly changed on the the Windows XP that data is being copied from. However, this Windows XP machine is someone's workstation so anything is possible (although it has remained unchanged / working for close to a year)

The tasks fail whether copying from the Server 2000 machine or from XP machine.

Important? I installed viceversa and vvengine at a 2nd site running on a different machine and just like the 1st site the vvengine tasks fail but I can successfully copy using ViceVersa.
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TGRMN Software
Site Admin


Joined: 10 Jan 2005
Posts: 8763
PostPosted: Fri Aug 15, 2008 1:52 am    Post subject: Reply with quote
I think somehow the service no longer has access to the VPN folder.
Try uninstalling VVEngine as a service and running it as a "normal" application. I think it will work OK, like when you are running ViceVersa manually. If that is the case, somehow the service no longer has access to the VPN folder? Question
thanks
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deriderj



Joined: 16 Sep 2007
Posts: 24
PostPosted: Sun Aug 17, 2008 5:30 am    Post subject: Reply with quote
TGRMN Software wrote:
I think somehow the service no longer has access to the VPN folder.
Try uninstalling VVEngine as a service and running it as a "normal" application. I think it will work OK, like when you are running ViceVersa manually. If that is the case, somehow the service no longer has access to the VPN folder? :?:
thanks


If anything, the problem is getting worse. It now appears that I cannot successfully use ViceVersa. It is failing with this error: [ERROR] Source: folder "\\mypc.abc.local\D\zir\" not found. The network path was not found.

I have tried the following:

I ran vvengine as an application (non-service) and the failure still occurs.

I connected the sites through a different ISP but the failure still occurs.

I can successfully copy using robocopy but ViceVersa fails (as I mentioned above). This points to the fact that the problem is specific to ViceVersa.

I made 100% certain that I am running the newest version of viceversa and vvengine.

I turned off all personal firewalls (specifically I was running Kaspersky but it is now off).

I'm at a loss as to what is causing the failure. 12 months of success followed by consistent failure. Very strange. What can I do?
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deriderj



Joined: 16 Sep 2007
Posts: 24
PostPosted: Tue Aug 19, 2008 1:42 am    Post subject: Reply with quote
Just trying to move this along.

Robocopy works and viceversa fails when accessing the directory to be backed using \\SERVER\dir. What could be the reasons why?

I thought possibly authentication but I am connecting the VPN using the same domain userid and password as when it was working.

Looking for help. I've got a pretty expensive DR implementation that is based on ViceVersa and my daily DR backup is not currently running at all.
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TGRMN Software
Site Admin


Joined: 10 Jan 2005
Posts: 8763
PostPosted: Tue Aug 19, 2008 4:44 am    Post subject: Reply with quote
Hello

I would suggest to re-start with a new blank profile, and perform a 'normal' comparison of source and target from within ViceVersa PRO.
Does that work? It should work if Robocopy does. Let me know.

thanks
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deriderj



Joined: 16 Sep 2007
Posts: 24
PostPosted: Tue Aug 19, 2008 7:15 am    Post subject: Reply with quote
TGRMN Software wrote:
Hello

I would suggest to re-start with a new blank profile, and perform a 'normal' comparison of source and target from within ViceVersa PRO.
Does that work? It should work if Robocopy does. Let me know.

thanks


I have already tried what you are suggesting and it did not make any difference. However... I found that I could occasionally get ViceVersa Pro to run a compare, but I couldn't duplicate it. I thought about it and wondered if this was a timing problem. Why a timing problem would come up after so many months of working doesn't make any sense to me but since it wasn't working I made a change in the startup script of the profile that connects to the VPN. The change was an increase in the amount of time that the script waits after it has initiated the VPN connection and returns control to ViceVersa. Here is the script (changed the 2nd sleep command from 10 to 20 seconds):

rasdial "VPN1" /d
sleep 5
rasdial "VPN1" myuserid "mypassword" /domain:ABC
sleep 20
exit 0

This change allowed me to consistently run a compare, something that I had not been able to do since this started. I then attempted to run the profile with vvengine setup as a non-service. That also ran for the first time in several days and is running right now.

I am running the backups right now through vvengine. I thought as long as I had gotten it to work if even temporarily I should complete a backup before making any other changes. I will change vvengine back to a service after the backups complete and retry the backups. If the profiles run in vvengine when vvengine is a service then I will be back where I was before the failures began.

I don't know that this is a permanent fix because I don't know why the change in the timing (the sleep command) was necessary. I will write back and let you know the disposition after the profiles finish and I change vvengine back to a service.
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deriderj



Joined: 16 Sep 2007
Posts: 24
PostPosted: Fri Aug 22, 2008 10:18 am    Post subject: Reply with quote
The timing change seemed to correct the failure when vvengine is run as an application, but I am still having problems running vvengine as a service. I now have a 2nd process running on a different computer on a different network with both nodes on the local network (one of the two nodes is wireless) and that process is failing with the same error (cannot find source directory). The process does work when I run directly from ViceVersa (it finds the directory).

I'm going to have to run the processes on the 1st problem I was having as a non-service for now. Perhaps over time you will find others with a similar problem and correct the problem in your code or provide tips on how to work around the problem if it is not in your code. The 2nd problem isn't a production issue although the failure does complicate things for me.
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