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APTARE IT Analytics Technical Notes
Last Published:
2021-12-01
Product(s):
APTARE IT Analytics (10.5)
- Enabling Oracle's Transparent Data Encryption (TDE)
- Array Performance Statistics Technical Note
- EMC Symmetrix Back-end Director Performance
EMC Symmetrix Front-end Director Performance
Metric |
Description |
---|---|
Percent Busy | The % of time that the director is busy. |
Host IOs | The number of host I/O operations per second for director data transfers. |
Host MBs | The size of the data transfer from the host in MB per second. |
Reqs | The data transfer read/write requests between the director and the cache. An I/O may require multiple requests depending on I/O size, alignment, or both. The requests rate should be either equal to or greater than the I/O rate. |
Read Response Time | A calculated average response time for reads. |
Write Response Time | A calculated average response time for writes. |