|
|
|
|
|
|
CacheDirtyPagesPercentage
|
Percentage of dirty pages currently in cache, that is, pages that have been modified in the SP’s write cache, but that have not yet been written to disk. A high percentage of dirty pages means the cache is handling many write requests.
|
Percentage (%)
|
None
|
Statistics
|
OperationRate*
|
Total number of operations per second.
|
Operations/s
|
None
|
Statistics
|
Present
|
Indicates whether the device is present or not since the last collect.
|
{0 = No; 1 = Yes}
|
Warning = 0
|
Availability
|
ProcessorUtilization*
|
Utilization of the processor.
|
Percentage (%)
|
Warning = 80 % (for two consecutive collects)
Alarm = 90 %
|
Statistics
|
ReadOperationRate
|
Number of read operations per second.
|
Operations/s
|
None
|
Statistics
|
ReadOperationsPercentage
|
Percentage of read operations.
|
Percentage (%)
|
None
|
Statistics
|
ResponseTime  
|
Average response time for all operations.
Note: A number of 10 (or less) collected I/Os between two data collects being insufficient to accurately report on response time, EMC Disk Arrays KM may automatically sets this parameter to 0 to avoid triggering irrelevant alarms.
|
Milliseconds (ms)
|
Warning = 10 ms (two consecutive times)
Alarm = 100 ms
|
Response Time
|
Status
|
Status of the controller.
|
{0=OK; 1 = Degraded; 2 = Failed}
|
Warning = 1
Alarm = 2
|
Availability
|
StatusInformation
|
Detailed information about the EMC controller status.
|
n/a
|
None
|
--
|
TransferByteRate
|
Count of data transferred per second.
|
Megabytes per second (MB/s)
|
None
|
Statistics
|
WriteFlushByteRate
|
Cumulative count of write cache flushed per second.
|
Megabytes per second (MB/s)
|
None
|
Statistics
|
WriteOperationRate
|
Number of write operations per second.
|
Operations/s
|
None
|
Statistics
|
WriteOperationsPercentage
|
Percentage of written operations.
|
Percentage (%)
|
None
|
Statistics
|
