List or change SCSI/SATA disk parameters
SCSI disk parameters are held in mode pages. This utility lists or changes those parameters. Other SCSI devices (or devices that use the SCSI command set e.g. some SATA devices) such as CD/DVD and tape drives may also find parts of sdparm useful. Fetches Vital Product Data pages. Can send commands to start or stop the media and load or unload removable media. Warning: It is possible (but unlikely) to change SCSI disk settings such that the disk stops operating or is slowed down. Use with care.