|
|
|
|
|
|
Cache Fast Write Hit Ratio
|
Percentage of write operations that were successfully served by the cache.
|
Percentage (%)
|
None
|
Statistics
|
DASD Fast Write Hit Ratio
|
Percentage of write operations that were successfully served by the DASD Fast Write cache.
|
Percentage (%)
|
None
|
Statistics
|
Disk Read Byte Rate
|
Amount of data read per second from the disk.
|
Megabytes per seconds (MB/s)
|
None
|
Statistics
|
Disk Read Operation Rate
|
Percentage of operations read per second on the disk.
|
Operations/s
|
None
|
Statistics
|
Disk Read Response Time
|
Average time for a disk to complete a read request.
|
Milliseconds (ms)
|
Warning ≥ 20
(After 5 consecutive occurrences)
|
Response Time
|
Disk Time Utilization
|
Percentage of disk time utilization.
|
Percentage (%)
|
None
|
Statistics
|
Disk Write Byte Rate
|
Amount of data written per second from the disk.
|
Megabytes per seconds (MB/s)
|
None
|
Statistics
|
Disk Write Operation Rate
|
Percentage of operations written per second on the disk.
|
Operations/s
|
None
|
Statistics
|
Disk Write Response Time
|
Average time for a disk to complete a write request.
|
Milliseconds (ms)
|
Warning ≥ 20
(After 5 consecutive occurrences)
|
Response Time
|
Operation Rate*
|
Total number of operations per second.
|
Operations/s
|
None
|
Statistics
|
Read Byte Rate
|
Bytes read per second from the volume since the last collect.
|
Megabytes per seconds (MB/s)
|
None
|
Statistics
|
Read Cache Hit Ratio
|
Percentage of read operations that were successfully served by the cache on the volume.
|
Percentage (%)
|
None
|
Statistics
|
Read Operation Rate
|
Percentage of operations read per second on the volume.
|
Operations/s
|
None
|
Statistics
|
Read Response Time
|
Average time for a volume to complete a read request.
|
Milliseconds (ms)
|
Warning ≥ 10
(After 5 consecutive occurrences)
Alert ≥ 100
(After 2 consecutive occurrences)
|
Response Time
|
Response Time
|
Average time taken by the volume to complete requests during the polling period.
|
Milliseconds (ms)
|
Alarm ≥ 20
(After 5 consecutive occurrences)
|
Response Time
|
Time Since Last Activity
|
Number of days since any activity occurred on the volume.
|
Days
|
None
|
Statistics
|
Time Utilization
|
Percentage of volume time utilization.
|
Percentage (%)
|
None
|
Statistics
|
Transfer Byte Rate*
|
|
|
|
|
Write Byte Rate
|
Bytes written per second from the volume since the last collect.
|
Megabytes per seconds (MB/s)
|
None
|
Statistics
|
Write Operation Rate
|
Percentage of operations written per second on the volume.
|
Operations/s
|
None
|
Statistics
|
Write Response Time
|
Average time for a volume to complete a write request.
|
Milliseconds (ms)
|
Warning ≥ 10
(After 5 consecutive occurrences)
Alert ≥ 100
(After 2 consecutive occurrences)
|
Response Time
|
