Thanks for the answer Joshua. It looks like sg0 and sg1 are drives and sg2 is the changer, mtx -f /dev/sg2 inquiry returns:
Product Type: Medium Changer Vendor ID: 'EXABYTE ' Product ID: 'Exabyte EZ17 ' Revision: '1.11' Attached Changer: No But mtx -f /dev/sg2 unload says Unloading Data Transfer Element into Storage Element 1...mtx: Request Sense: Long Report=yes mtx: Request Sense: Valid Residual=no mtx: Request Sense: Error Code=70 (Current) mtx: Request Sense: Sense Key=Not Ready mtx: Request Sense: FileMark=no mtx: Request Sense: EOM=no mtx: Request Sense: ILI=no mtx: Request Sense: Additional Sense Code = 04 mtx: Request Sense: Additional Sense Qualifier = 8E mtx: Request Sense: BPV=no mtx: Request Sense: Error in CDB=no mtx: Request Sense: SKSV=no MOVE MEDIUM from Element Address 82 to 1 Failed and amcheck returns: amcheck-server: could not get changer info: get ElementStatus I'm using chg-scsi as my glue, thanks much. Steve