/usr/bin/sginfo: invalid option -- '-' Error: sginfo: Unknown option Usage: sginfo [-options] [device] [replacement_values] Allowed options are: -6 Do 6 byte mode sense and select commands (def: 10 bytes). -a Display inquiry info, serial # and all mode pages. -A Similar to '-a' but displays all subpages as well. -c Access Caching Page. -C Access Control Mode Page. -d Display defect lists (default format: index). -D Access Disconnect-Reconnect Page. -e Access Read-Write Error Recovery page. -E Access Control Extension page. -f Access Format Device Page. -Farg Format of the defect list: -Flogical - logical block addresses (32 bit) -Flba64 - logical block addresses (64 bit) -Fphysical - physical blocks -Findex - defect bytes from index -Fhead - sort by head -g Access Rigid Disk Drive Geometry Page. -G Display 'grown' defect list (default format: index). -i Display information from INQUIRY command. -I Access Informational Exception page. -l List known scsi devices on the system [DEPRECATED] -n Access Notch and Partition Page. -N Negate (stop) storing to saved page (active with -R). -P Access Power Condition Page. -r List known raw scsi devices on the system -s Display serial number (from INQUIRY VPD page). -t Access mode page [subpage ] and decode. -T Trace commands (for debugging, double for more) -u Access mode page [subpage ], output in hex -v Show version number -V Access Verify Error Recovery Page. -z single fetch mode pages (rather than double fetch) Only one of the following three options can be specified. None of these three implies the current values are returned. -m Access modifiable fields instead of current values -M Access manufacturer defaults instead of current values -S Access saved defaults instead of current values -X Use list (space separated values) rather than table. -R Replace parameters - best used with -X (expert use only) [replacement parameters placed after device on command line] sginfo version: 2.48 [20260508]; See man page for more details.