Storage Viewer for Capacity Database Views > aps_v_lun_perform_log
  
Version 10.0.01
aps_v_lun_perform_log
The aps_v_lun_perform_log view contains raw LUN performance history data.
Note: This view was altered in Hitachi Storage Viewer version 9.2.01P4, with more than 30 columns removed. Also, two LUN performance views were deprecated in version 9.2.01P4: aps_v_lun_stats_day_log and aps_v_lun_stats_log.
Column Name
Data Type
Description
array_name
STRING
Name of the array.
CUM_INTERVAL_SEC
NUMBER
Time interval in seconds for which the data was collected for the daily LUN performance log.
 
KBYTES_READ
NUMBER
Amount of data read from the LUN.
KBYTES_WRITTEN
NUMBER
Amount of data written to the LUN.
LOG_DATE
DATE
The date and time the entry was written to the log table.
LOGICAL_UNIT_ID
NUMBER
Internally generated ID that uniquely identifies the logical unit.
logical_unit_name
STRING
Name of the LUN
READ_HIT_IO
NUMBER
Cache read hit I/O rate; data available from cache.
READ_IO
NUMBER
Read I/O operations per second.
READ_IO_RESPONSE_TIME
NUMBER
Read I/O response time.
READ_IO_TIME_COUNTER
NUMBER
Read I/O time counter.
STORAGE_ARRAY_ID
NUMBER
Internally generated sequential ID that uniquely identifies the storage array.
TOTAL_IO
NUMBER
Total I/O operations per second.
TOTAL_IO_RESPONSE_TIME
NUMBER
Total I/O response time.
TOTAL_IO_TIME_COUNTER
NUMBER
Total I/O time counter.
WRITE_HIT_IO
NUMBER
Write hit I/O rate; data to be updated resides in cache.
WRITE_IO
NUMBER
Write I/O operations per second.
WRITE_IO_RESPONSE_TIME
NUMBER
Write I/O response time.
WRITE_IO_TIME_COUNTER
NUMBER
Write I/O time counter.