EMC Symmetrix Device Group Performance
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View a table of Symmetrix device group performance metrics.
Metrics that can be selected for the charts include % Busy, Host IO per second, Host MBps, Requests per second, and Read and Write response times. Values represented in this report are averages for the time period.
Table: EMC Symmetrix Device Group Performance
Column name | Description |
|---|---|
|
Array Name |
Name of the storage array. This name is derived from the Symmetrix ID. |
|
Avg Read Latency |
The average time that it took the Symmetrix to serve one read IO for this group. |
|
Max Read Latency |
The MAX of the average time that it took the Symmetrix to serve one read IO for this group. |
|
Read Latency Std Dev |
The Std Dev of average time that it took the Symmetrix to serve one read IO for this group. |
|
Avg Write Latency |
The average time that it took the Symmetrix to serve one write IO for this group. |
|
Max Write Latency |
The MAX of the average time that it took the Symmetrix to serve one write IO for this group. |
|
Write Latency Std Dev |
The Standard Deviation of average time that it took the Symmetrix to serve one write IO for this group. |
|
Avg Read Hits |
The number of host read operations performed each second by the group that were immediately satisfied from cache. |
|
Max Read Hits |
The MAX of the number of host read operations performed each second by the group that were immediately satisfied from cache. |
|
Avg Write Hits |
The number of host write operations performed each second by the group that were immediately satisfied from cache. |
|
Max Write Hits |
The MAX of the number of host write operations performed each second by the group that were immediately satisfied from cache. |
|
Avg Write MB/Sec |
The cumulative number of host MBs written per second by the group. |
|
Max Write MB/Sec |
The MAX of the cumulative number of host MBs written per second by the group. |
|
Avg Read MB/Sec |
The cumulative number of host MBs read per second by the group. |
|
Max Read MB/Sec |
The cumulative number of host MBs read per second by the group. |
|
Avg Write IOPS |
The number of host write operations performed each second by the group. |
|
Max Write IOPS |
The MAX of the number of host write operations performed each second by the group. |
|
Avg Read IOPS |
The number of host read operations performed each second by the group that were immediately satisfied from cache. |
|
Max Read IOPS |
The MAX of the number of host read operations performed each second by the group. |
|
Avg Total IOPS |
Average total input/output operations per second, including both read and write operations. |