HP NonStop G-Series - Manual (Page 109)

Starts the primary path to this disk drive. When the Start action completes, the primary path is in the
Started state.
Start Volume
Starts all paths for both the primary and mirror drives of this volume.
Stop Backup Path
Terminates operation of the backup path to the disk. When the Stop action finishes, the path is in a
Down state. If the disk drive is currently in use, a dialog box warns you and asks whether or not you
want to continue with the action.
Stop Disk
Terminates all paths for this disk drive. When the Stop action finishes, the paths are in a Down state.
If the disk drive is currently in use, a dialog box warns you and asks whether or not you want to
continue with the action.
Stop Primary Path
Terminates the primary path to the disk. When the Stop action finishes, the path is in a Down state. If
the disk drive is currently in use, a dialog box warns you and asks whether or not you want to
continue with the action.
Stop Volume
Terminates all paths for the primary and mirror drives of this volume. When the Stop action finishes,
the paths are in a Down state.
Switch to Backup Path
Switches processing from the primary to the backup path.
Switch to Primary Path
Switches processing from the backup to the primary path.
Test Verify
Runs the power-on self-test for the disk and tests the internal circuitry of the drive.
Validate Checksum
Scans the user data area of a disk for sector checksum errors. If the action fails, the Action Details
dialog box reports a sector checksum error and suggests that you spare the sector only if you believe
there is a drive media problem.
For additional information, use the OSM Event Viewer. Retrieve events using $ZLOG as the source