EMC Symmetrix Array Performance
Table: EMC Symmetrix Array Performance
Metric | Description |
|---|---|
Host IOs | The number of host I/O operations per second by all Symmetrix volumes. This includes random and sequential reads, and writes to the volume. |
Host MBs | The total requests per second (from all front-end directors) that were satisfied from cache. |
Host MBs Read | The number of MB per second read by all Symmetrix volumes. |
Host MBs Written | The number of MB per second written by all Symmetrix volumes. |
BE Reqs | The number of a read or write data transfers between cache and the back-end director. |
WP Count | The number of system cache slots that are write-pending. |
Percent Cache WP | The % of system cache that is write-pending. |
Avg Fall Thru Time | The average time it takes a cache slot in LRU0 to be freed up. This value represents the average time from the first use of the contents to its reuse by another address. |