Read reservations:
/usr/bin/sg_persist --in --no-inquiry --read-reservation --device=/dev/sdc /usr/bin/sg_persist --in --no-inquiry --read-key --device=/dev/sdc
Prepare for cancel:
/usr/bin/sg_persist --out --no-inquiry --register --param-sark=0x1 --device=/dev/sdc
Cancel
/usr/bin/sg_persist --out --no-inquiry --clear --param-rk=0x1 --device=/dev/sdc
Read reservations:
/usr/bin/sg_persist --in --no-inquiry --read-reservation --device=/dev/sdc /usr/bin/sg_persist --in --no-inquiry --read-key --device=/dev/sdc