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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

criteria and RAL as the subsystem criteria, and look for Disk-sector-failure events (event number

7001). In the event detail, a Sector-failure-count token shows how many sector checksum errors

were found, and a Disk-logical-sector token appears for each error, providing the logical address

of that failing sector.

You can perform the Validate Checksum action while the disk drive is in use. The action prompts

you to specify an optional process priority for the action. If not specified, the current default priority

is used.

External Disk Collection

When one or more external disks are connected to a system, an External Disk Collection object

appears in both the tree pane and the overview pane of the OSM Service Connection. In both

panes, this object displays an alarm or yellow icon if alarms or degraded conditions exist on any

of the individual external disks contained within. You can expand the External Disk Collection icon

in the tree pane (but not in the overview pane) to select and monitor individual external disks.

Location in OSM Tree: Under System

Example: External Disk Collection

Attributes

None.

Actions

None.

Fan

A component that circulates air into the enclosure to help maintain optimal temperature. Each

system enclosure contains two fans.

Location in OSM Tree: System > Group > Module > Fan

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Siemens OSM Guía de usuario Pagina 129