Per the LTO barcode standard, a barcode that begins with the prefix CLN is considered a cleaning tape. If for some reason, barcodes with the prefix CLN are attached to tapes intended for storing data, Veeam Backup & Replication will mark these tapes as cleaning tapes.
If non-cleaning cartridges have inadvertently had barcodes with the prefix CLN attached to them, the barcode stickers must be replaced with appropriate barcodes.
LTO cartridges contain an RFID chip with information about the cartridge, and the tape drive reads this chip for information about the cartridge. The tape's memory chip may be faulty, or the tape drive is not correctly reading the memory chip.
Perform isolation testing to identify whether the issue is with an individual faulty tape or the tape drive is defective and fails to read the memory chip.
If the documented causes listed in this article do not apply, please do the following:
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