FBSS7554E We have found a problem with MBR on disk

Technote (troubleshooting)


Problem(Abstract)

The following error is seen in the server CLOG for a client node:
FBSS7554E We have found a problem with MBR on disk (0x#######). Volumes on this disk can not be protected.

Cause

This could be caused by a discrepancy between the size and length of the drive(in sectors).

Diagnosing the problem

The following tool can be run on the system to diagnose the issue:

GetData.exeGetData.exe

The tool can be run from a DOS command prompt and the output can be piped to a file with the following syntax: getdata.exe > getdata.out

Review the output file for the following section:

************* The New DB **************
Disk HP LOGICAL VOLUME 5.70 signature 0x6b5e81cd, Size (sectors) 143305920, LUN [0]
MS signature 0x6b5e81cd
|-----|------------|----------|----------|
|Disk |Start sector|Length |Signature |
| | | | |
| 000 | 0000002048 | 143304704 | b96593ba |
|-----|------------|----------|----------|

Compare the Size against the Length (both high lighted in bold above). The size should not be greater than the length. In the example above we can see that the size is greater and causing the FBSS7554E error.

Resolving the problem

This issue is not caused by Fastback and needs to be corrected before the client will function properly. Please contact Microsoft for assistance in resolving this discrepancy.

Product Alias/Synonym

FSBK fastback backup volume MBR failed connection socket

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Document information


More support for:

Tivoli Storage Manager FastBack
Client

Software version:

All Supported Versions

Operating system(s):

Windows

Reference #:

1618499

Modified date:

2012-11-27

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