The following section provides guidance to help you address issues related to tape errors when using Arcserve Backup.
If you receive an error that suggests that there is something wrong with one of your tapes, you should take corrective action as soon as possible to ensure the security of your data. Before replacing your tape, however, you should make certain that it is the tape that is causing the problem, and not another part of your system. Try these steps to rule out the possibility that the problem is being caused by something other than the tape:
For example, during a backup job, you may receive a SCSI port error. After receiving this error, you may get errors that indicate a problem with the tape, or even with the drive, but it is possible that these errors are only a consequence of the problems with the SCSI port. Therefore, you should check the Activity Log for all the messages and errors you received prior to receiving the error that indicated a problem with your tape. In this way, you can determine whether there is actually a problem with your tape, or if the tape error was the consequence of another problem.
Note: If your drives are inside a library, and you want to try your tape in a different drive, the problem drive must be offline. If Arcserve Backup did not automatically set the drive to an offline status when it detected the media error, right-click the library and select Offline from the pop-up menu.
After you have determined that there is a problem with the tape--part of the tape is unreadable, the tape is physically damaged in some way, and so on--you should replace the tape as soon as possible. Before you do that, you will need to back up the data on the bad tape to a reliable tape. You have two options at this point:
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