I have two WHS's and I would like to use BBDB to backup the backup database from each server to the other. The two servers are based on fairly similar hardware and each have backup databases of approximately the same size - just a bit over 1 TB. For server #1, I can backup the backup database to all of the options - server storage, local backup drive, and network including WHS #2 and uRAID as the network share. For servier #2, I can backup the backup database to server storage and a local backup drive but backup to a network share regularly fails about 30% of the way in. The network stores tried include both WHS #1 and unRAID.

Check the Event Viewer on the server for error messages from BDBB. I can only guess that the network drops or there is some issue with the server, perhaps a drive problem. You could try the WHS SMART Add-In and/or run chkdsk on your drives.

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Alex Kuretz
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I did install the SMART add-in which indicates one of my drives is generating some CRC errors. If I use WHS to "remove" the drive, will the copy corrupt data from that drive back into the array? Since I had all important data "duplicated", would I be better off disconnecting the drive and then removing it?

I would Remove the drive via WHS before physically removing it.

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Alex Kuretz
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Thanks much for the suggestions.

I removed the drive with WHS, did a chkdsk on DE, and still have the problem. Here is the event log for BBDB after that last failure:

System.IO.IOException: Insufficient system resources exist to complete the requested service.

at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
at System.IO.File.InternalCopy(String sourceFileName, String destFileName, Boolean overwrite)
at Microsoft.HomeServer.HomeServerConsoleTab.WHSBDBB.HomeServerSettingsExtender.backupBackgroundWorker_DoWork(Object sender, DoWorkEventArgs e)

Does this mean that there is an file name path more that 256 characters? Why would the backup work to a local disk not part of DE and to DE but not to a network store?

Just had a thought. If the problem is a file path with more that 256 characters, path strings for network shares will typically be longer than local storage.

I don't believe it's a path length issue, some research indicates it could be memory or hardware related. You might try a Repair on your WHS backup db to make sure it's intact. I'm afraid I'm not sure what else to suggest, unfortunately.

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Alex Kuretz
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I also had this issue using bbdb. I found this link.
http://support.microsoft.com/kb/304101

I did the following change to the registry, and the network backup is now working.

Registry setting 1
Click Start, click Run, type regedit in the Open box, and then click OK.
Locate and then click the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management
On the Edit menu, point to New, and then click DWORD Value.
Type PoolUsageMaximum as the entry name, and then press ENTER.
Right-click PoolUsageMaximum, and then click Modify.
Click Decimal.
In the Value data box, type 60, and then click OK.

Important
Use 60 as your initial value. If your backup does not succeed, use 40 as your value. If that does not work, you must change the behavior of your backup program to reduce the demand of paged pool. If the value works, you may want to increase the value by approximately 25 percent until the backup does not work. If the backup is unsuccessful, use the second registry setting that is described in this article.
Make sure that the value for this registry setting is not more than 60.
If you are using the /3GB switch, use 40 as your initial setting. Note that this value is a percentage value.
Quit Registry Editor.
Restart your computer.

Good find, warmelin, thanks for sharing. BDBB doesn't use NTBackup so I never would have guessed this would be applicable.

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Alex Kuretz
Remote Notification: Monitoring and alerting for your Home Server via email, Twitter, text message, RSS, push notifications, and on your Mac desktop
Have you tried our Add-Ins?