I am using DPM 2010 to backup virtual images on my Hyper-V host (running Windows 2008 Enterprise SP2).
There is 1 image that stopped backing up. The DPM error is DPM encountered a retryable VSS error. (ID: 30112).
If I examine the logs, I find this error on the guest.
Log Name: Application
Source: VSS
Date: 6/21/2012 7:04:14 AM
Event ID: 12289
Task Category: None
Level: Error
Keywords: Classic
User: N/A
Computer: server.domain.local
Description:
Volume Shadow Copy Service error: Unexpected error DeviceIoControl(\\?\Volume{389b394f-7892-11de-990c-806e6f6e6963} - 000000000000016C,0x0053c008,000000000007C3C0,0,000000000007D3D0,4096,[0]). hr = 0x80070079.
Any ideas?
DB