60249: Acronis Cyber Backup 12.5: backup to Quantum Scalar tape library fails

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Symptoms

You are backing up to tapes, and your tape device is Quantum Scalar i40, i80, i3, or i6.

In a while, backups start failing with:

error 0x1e30008: A SCSI command is started on device '\\?\scsi#changer&ven_quantum&prod_scalar_i40-i80#5&7f4a173&0&000001#{53f56310-b6bf-11d0-94f2-00a0c91efb8b}'.
| Details: Operation: MOVE_MEDIUM
| OperationCode: 0xA5
| Reserved1: 0x00
| LogicalUnitNumber: 0x00
| TransportElementAddress[2]: [0x00 0x00 ]
| SourceElementAddress[2]: [0x01 0x01 ]
| DestinationElementAddress[2]: [0x10 0x0E ]
| Reserved2[2]: [0x00 0x00 ]
| Flip: 0x00
| Reserved3: 0x00
| Control: 0x00
|
| line info: 0xff7ab02b13dfb1b0
| $module: scsi_vs_50214
|
| error 0x1e30003: A SCSI operation has failed. SENSE data description:
|   Error code = 0x70
|   Valid = false
|   Segment number = 0
|   Sense key = 0x05 (Illegal request)
|   Reserved = 0x00
|   Incorrect length = false
|   End of media = false
|   File mark = false
|   Information = [0x00, 0x00, 0x00, 0x00]
|   Additional sense length = 0x0A
|   Command specific information = [0x00, 0x00, 0x00, 0x00]
|   Additional sense code = 0x53 (Unknown)
|   Additional sense code qualifier = 0x01 (UNLOAD TAPE FAILURE)
|   Field replaceable unit code = 0x00
|   Sense key specific = [0x80, 0x00, 0x00]

Cause

Compatibility issue

Solution

The compatibility issue has been fixed in Update 2 of Acronis Cyber Backup 12.5.