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Incorrect state stored after error


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Here is a bug report. I could not find a way to send bug reports to Dantz technical support without paying, so into the forum it goes.




While performing a backup, during a comparison phase, I got this error:


Device trouble: "3-Backup DES B [003]", error -205 (lost access to storage medium).




This caused the backup to stop. So I ran the backup again to finish backing up the remaining files and volumes. The backup started from the beginning and, as expected, all of the volumes that had already been backed up successfully before the error had no files needing to be copied.




Unfortunately, Retrospect also reported that the volume that was being compared when the error occurred had no files needing to be copies. This is incorrect behavior. Retrospect did not get to finish doing the comparison due to the error, so the files on that volume should not be considered reliably backed up. It would have been preferable if Retrospect had at least done a comparison on these files before marking them as backed up.




This is in Windows 2000, Service Pack 2, with Retrospect 5.15. Relevant excerpts from the log are as follows:




- 3/10/2002 11:23:53 AM: Copying Drive O (O:)




! 3/10/2002 11:33 AM: Manual erase of tape "4-Backup DES B [002]"


3/10/2002 11:44:07 AM: Snapshot stored, 209 KB


3/10/2002 11:44:11 AM: Comparing Drive O (O:)


Device trouble: "3-Backup DES B [003]", error -205 (lost access to storage medium)


3/10/2002 11:55:17 AM: Execution incomplete


Remaining: 230 files, 281.3 MB


Completed: 0 files, zero KB, with 0% compression


Performance: 14.3 MB/minute (16.2 copy, 0.0 compare)


Duration: 00:31:23 (00:11:46 idle/loading/preparing)




3/10/2002 11:55:17 AM: Execution incomplete


Total performance: 21.4 MB/minute with 4% compression


Total duration: 01:37:38 (00:19:15 idle/loading/preparing)








- 3/10/2002 12:10:25 PM: Copying Drive O (O:)


3/10/2002 12:10:25 PM: No files need to be copied


3/10/2002 12:10:49 PM: Snapshot stored, 209 KB


3/10/2002 12:10:53 PM: Comparing Drive O (O:)


3/10/2002 12:11:04 PM: Execution completed successfully


Duration: 00:00:39 (00:00:21 idle/loading/preparing)







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