Disk read failures should not disable tapes or drives
When there is a problem with a disk file, we don't want to disable the tape after 3 retries. In such case the tape is fully operational and there is no point in disabling it. Same argument applies for the tape drives.
Instead, we should implement a mechanism to disable the file itself.
Before changing the disable logic we should:
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add mandatory log parameters #229 to help us classify disk/tape errors for TAS.
See also discussions about: