EMC Symmetrix Storage Tier Performance
Table: EMC Symmetrix Storage Tier Performance
Metric | Description |
|---|---|
Percent Disk Busy | The % of time that the disk is busy serving I/O requests. |
Total SCSI Commands | The total number of commands performed by the disk group each second: read, write, skip mask, verify, XOR write, and XOR write-read. |
Host Reads | The number of host reads performed each second by the disk. |
Host Writes | The number of host writes performed each second by the disk. |
MB Read | The read throughput of the disk, in MB per second. |
MB Written | The write throughput of the disk, in MB per second. |
Read Response Time | The average time taken by the disk to serve one read I/O operation . |
Write Response Time | The average time taken by the disk to serve one write I/O operation . |
Total Disk Capacity | Total capacity of the disk, in GB. |
Used Disk Capacity | Total used capacity of the disk, in GB. |