Disk events

The following table lists the events that are created for the Disk component.

Table 1. Events for the Disk component
Event	Event Type	Severity	Call Home	Details
disc_recovering	STATE_CHANGE	WARNING	no	Message: Disk {0} is reported as recovering.
				Description: A disk is in a recovering state.
				Cause: A disk is in recovering state.
				User Action: If the recovering state is unexpected, then refer to the Disk issues section in the IBM Storage Scale: Problem Determination Guide.
disc_unrecovered	STATE_CHANGE	WARNING	no	Message: Disk {0} is reported as unrecovered.
				Description: A disk is in unrecovered state.
				Cause: A disk is in unrecovered state. The metadata scan might have failed.
				User Action: If the unrecovered state is unexpected, then refer to the Disk issues section in the IBM Storage Scale: Problem Determination Guide.
disk_down	STATE_CHANGE	WARNING	no	Message: Disk {0} is reported as not up.
				Description: A disk is reported as down.
				Cause: This can indicate a hardware issue.
				User Action: If the down state is unexpected, then refer to the Disk issues section in the IBM Storage Scale: Problem Determination Guide. The failed disk might be a descriptor disk.
disk_down_change	STATE_CHANGE	INFO	no	Message: Disk {0} is reported as down because the configuration changed. FS={1}, reason code={2}.
				Description: A disk is reported as down because the configuration changed by using the mmchdisk command.
				Cause: N/A
				User Action: N/A
disk_down_del	STATE_CHANGE	INFO	no	Message: Disk {0} is reported as down because it was deleted. FS={1}, reason code={2}.
				Description: A disk is reported as down because it was deleted by using the mmdeldisk command.
				Cause: N/A
				User Action: N/A
disk_down_io	STATE_CHANGE	ERROR	no	Message: Disk {0} is reported as down because of an I/O issue. FS={1}, reason code={2}.
				Description: A disk is reported as down because of an I/O issue.
				Cause: An IBM Storage Scale callback event reported that a disk is in the down state because of an I/O issue.
				User Action: If the down state is unexpected, then see the Disk issues section in the IBM Storage Scale: Problem Determination Guide.
disk_down_rpl	STATE_CHANGE	INFO	no	Message: Disk {0} is reported as down because it was replaced. FS={1}, reason code={2}.
				Description: A disk is reported as down because it was replaced by using the mmrpldisk command. For more information see, the Disk issues section in the IBM Storage Scale: Problem Determination Guide.
				Cause: N/A
				User Action: N/A
disk_down_unexpected	STATE_CHANGE	ERROR	no	Message: Disk {0} is reported as unexpected down. FS={1}, reasoncode={2}.
				Description: A disk is reported as unexpected down.
				Cause: An IBM Storage Scale callback event reported a disk in down state of unexpected reason.
				User Action: If the down state is unexpected, then refer to the Disk issues section in the IBM Storage Scale: Problem Determination Guide.
disk_down_unknown	STATE_CHANGE	WARNING	no	Message: Disk {0} is reported as down for unknown reason. FS={1}, reasoncode={2}.
				Description: A disk is reported as down for unknown reason. The disk was probably stopped.
				Cause: An IBM Storage Scale callback event reported a disk in down state of unknown reason. Probably the disk was stopped or suspended.
				User Action: If the down state is unexpected, then refer to the 'Disk issues section in the IBM Storage Scale: Problem Determination Guide.
disk_failed_cb	INFO_EXTERNAL	INFO	no	Message: Disk {0} is reported as failed. FS={1}. Affected NSD servers are notified about the disk_down state.
				Description: A disk is reported as failed.
				Cause: An IBM Storage Scale callback event reported a disk failure.
				User Action: If the failure state is unexpected, then see the Disk issues section in the IBM Storage Scale: Problem Determination Guide.
disk_found	INFO_ADD_ENTITY	INFO	no	Message: The disk {0} was found.
				Description: A disk was detected.
				Cause: A disk was detected.
				User Action: N/A
disk_fs_desc_missing	STATE_CHANGE	INFO	no	Message: Device {0} has no desc disks assigned in failure group(s) {1}.
				Description: Failure groups have no assigned descriptor disks as reported by the mmlsdisk command. This is usually a normal condition. If the missing descriptor disks in the failure groups is unexpected, refer to the Disk issues section in the IBM Storage Scale: Problem Determination Guide.
				Cause: N/A
				User Action: N/A
disk_fs_desc_ok	STATE_CHANGE	INFO	no	Message: Device {0} descriptor disks identified for all failure groups.
				Description: GPFS device has descriptor disks identified for all failure groups as reported by the mmlsdisk command.
				Cause: N/A
				User Action: N/A
disk_io_err_cb	STATE_CHANGE	ERROR	no	Message: Disk {0} is reported as I/O error. node={1}.
				Description: A disk state is reported as I/O error.
				Cause: An IBM Storage Scale callback event reported a disk I/O error.
				User Action: For more information, see the Disk issues section in the IBM Storage Scale: Problem Determination Guide.
disk_up	STATE_CHANGE	INFO	no	Message: Disk {0} is up.
				Description: Disk is up.
				Cause: N/A
				User Action: N/A
disk_vanished	INFO_DELETE_ENTITY	INFO	no	Message: The disk {0} has vanished.
				Description: A declared disk was not detected.
				Cause: A disk is not in use for an IBM Storage Scale file system, which can be a valid situation.
				User Action: N/A
nsd_path_down	STATE_CHANGE	WARNING	no	Message: NSD {id} is missing from this NSD server.
				Description: An NSD path to the device is missing.
				Cause: The mmlsnsd -X command does not find a device for the NSD on this node.
				User Action: Check output of the mmlsnsd -Xcommand. If the down state is unexpected, then refer to the Disk issues section in the IBM Storage Scale: Problem Determination Guide.
nsd_path_ok	STATE_CHANGE	INFO	no	Message: NSD {id} is visible on this NSD server.
				Description: An NSD path to the device is visible.
				Cause: N/A
				User Action: N/A