DOKK / manpages / debian 12 / opal-utils / opal-gard.8.en
opal-gard(8) System Manager's Manual opal-gard(8)

opal-gard - GUARD Partition manipulation tool for OpenPower hardware

opal-gard [ -e | -f file | -p ] command

opal-gard allows reading of the GUARD partition on OpenPower hardware though the exposed mtd flash interface. The actual device (usually /dev/mtd0) is automatically detected.

-e, --ecc Force reading/writing with ECC bytes.

Don't search for the /dev/mtd device, use file instead.
Used in conjunction with -f to specify that just the GUARD partition is in the file and that libffs shouldn't be used.

command may be one of the following

List current GARD records
Show details of a GARD record
Clear GARD records
19 June 2015