clDiskState

The clDiskState event producer monitors cluster disks.

Overview
The clDiskState event producer resides under the disk directory and monitors cluster disks. This event producer is available only when the system is part of a cluster. This event is generated when a cluster disk goes down or comes up.
Capabilities
AHAFS_THRESHOLD_STATE
AHAFS_REMOTE_EVENT_ENABLED
AHAFS_CALLBACK_INTRCNTX
Return codes
The clDiskState returns 0 as the return code. Only if the cluster is removedAHAFS_CLUSTER_REMOVE (-1) is returned.
Event producer message
This event producer passes the DISK_UP and DISK_DOWN messages as part of its event data in the EVENT_TYPE field along with the concerned cluster disk name. Also, as it is a cluster event producer it will additionally pass the NODE_NUMBER, NODE_ID and CLUSTER_ID information.
Acceptable monitor files
To monitor cluster disks, a monitor file should be created under the clDiskState.monFactory directory. The monitor file name
/aha/disk/clDiskState.monFactory/clDiskStateEvent.mon
has to be used. No other monitor files may be created in this directory.
Example event data

The following is event data from a clDiskState event with the default INFO_LVL.

BEGIN_EVENT_INFO
TIME_tvsec=1271935734
TIME_tvnsec=265210314
SEQUENCE_NUM=1
RC_FROM_EVPROD=0
BEGIN_EVPROD_INFO
EVENT_TYPE=DISK_DOWN
DISK_NAME=cldisk1
NODE_NUMBER=2
NODE_ID=0xF079E8C801C11DF
CLUSTER_ID=0x6EA7B08888D811DFB918BEB25635B404
END_EVPROD_INFO
END_EVENT_INFO