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 Can't backup to mapped drive

Author  Topic 

ericc@cidp.com
Starting Member

3 Posts

Posted - 2005-06-06 : 13:20:34
Hello,
I see that this is covered in an old thread but I just ran into this same issue and am not able to backup to mapped drive even after following suggestions mentioned in other thread. I have tried the script mentioned in the other thread and it failed to backup to the desired mapped drive.
FYI - When I tried to add a new backup device, I only see the servers local drive and 1 other mapped drive(I can successfully backup to this drive) . I can't see the mapped drive that I added the other day. I have full access to the new mapped drive through the OS but SQL Server will not backup to it. When I try to enter the UNC to the new OS mapped drive I get the message "Unable to verify the existence of the backup file location. Do you want to use the backup file location anyway?"
In summary, On my SQL Server Machine I have 2 mapped drives. the mapped drives are on 2 separate servers. I can successfully backup to one and not the other. As far as I can tell, on the OS level I have equal and full access to each server.
Any idea what the problem might be?(other than my lack of knowledge)
Does SQL Server use its own user/pass to access the mapped drives? If so, what is it?
Thanks in advance for any help.

Michael Valentine Jones
Yak DBA Kernel (pronounced Colonel)

7020 Posts

Posted - 2005-06-06 : 13:26:53
Forget using mapped drives for SQL Server.

Use a UNC name to reach the backup location:
\\SERVERNAME\SHARENAME


CODO ERGO SUM
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ericc@cidp.com
Starting Member

3 Posts

Posted - 2005-06-06 : 13:33:23
I tried using that and it didn't work when trying to create backup device or when trying to running the code to run the backup directly to the UNC path.
When I try to create a new backup device , I see my C:, one other mapped drive but not the mapped drive I wish to backup to. Why isn't this second mapped drive listed?
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Kristen
Test

22859 Posts

Posted - 2005-06-06 : 13:54:01
Permissions (NT ones) of the SQL AGENT SERVICE logon account being different to yours perhaps?

Kristen
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Michael Valentine Jones
Yak DBA Kernel (pronounced Colonel)

7020 Posts

Posted - 2005-06-06 : 14:00:09
Have you tried it this way?

From the sp_addumpdevice topic in SQL Server BOL:
"
B. Add a network disk backup device
This example shows a remote disk backup device. The name under which SQL Server was started must have permissions to that remote file.

USE master
EXEC sp_addumpdevice 'disk', 'networkdevice',
'\\servername\sharename\path\filename.ext'
"



CODO ERGO SUM
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chetancool
Starting Member

34 Posts

Posted - 2005-06-07 : 02:16:47
I have tried the same and it worked.

I execuated this command :

exec sp_addumpdevice 'disk', 'NetworkDevice','\\testing1\C\test\test1.ext'

NetworkDevice - Logical Name of the backup device.
testing1 - Machine Name (on which backup has to perform)
C - Share Name of the drive / folder
test - folder in which backup file is created.
test1.ext - Name of the backup file.

After that, from enterprice manager, while selecting backup device, select NetworkDevice and click on OK.

Regards,
Chetan

cjain
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