SCSI Commands: 21BLOG SENSE Page 773.9.20 Tape Device Statistics Log Page (3Eh)The Tape Device Statistics Log Page defines data counters associated with both thetape drive and the tape cartridge. All drive parameters are persistent across apower cycle. All media parameter follow the currently loaded tape cartridge. Theparameters shall not be set to zero or changed with the use of a LOG SELECTcommand.Page Code Page Length3Eh 6ChParameter Description Length7000h Tape Alert Flags bitmap 88000h Drive lifetime media load count 48001h Drive lifetime media motion hours 48002h Drive media motion hours since last clean 48003h Drive periodic cleaning interval in media motion hours 48004h Drive lifetime gigabytes written to tape 48005h Drive lifetime gigabytes read from tape 49000h Media lifetime load count 49001h Media lifetime load count threshold 49002h Media lifetime wear passes count 49003h Media lifetime wear passes count threshold 49004h Media lifetime wear hours count 49005h Media lifetime wear hours count threshold 43.9.21 LOG SENSE Completion StatusCode Message Description00h Good Status • The drive is ready to perform any appropriate command.• The requested log page is returned.• The tape position is not changed.02h CheckConditionUse the REQUEST SENSE command to retrieve status information.Possible Sense Keys are:Code Message Description04h Hardware Error Parity error on the SCSI bus or drivehardware failure.05h Illegal Request The Command Descriptor Block is invalid.06h Unit Attention The cartridge was changed, or the drivewas reset prior to this command.
