Tivoli Header

Resource Model Reference

Logical Disk Possible Fragmentation

This indication is sent when a high percentage of logical disk is being used, but the queue length is not long, and bytes per second reading and writing are not high.

The indication has the following attributes:

PercentDiskTime
The percentage of time that the logical drive is being used

DiskBytesSec
The read and write transfer rate per second

PhysicalDisk
The physical disk on which the logical disk resides (Key attribute)

LogicalDisk
The logical disk that is being analyzed (Key attribute)

The indication is generated when the following thresholds are exceeded:

Threshold Description Default
High Bytes per Second (HighBytesSec) The disk bytes per seconds value does not exceed this threshold. 1572864
High Percent Usage (HighPercentUsage) The time spent by the selected disk to work exceeds this threshold. 90
High Queue Length (HighQLength) This threshold must not be exceeded.
3

The following table shows the default settings for this indication:


Setting Default
Send indications to Tivoli Enterprise Console No
Send indications to Tivoli Business Systems Manager No
Occurrences 10
Holes 1


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