This chart displays maximum queue depth that hosts are currently maintaining for the datastore. When Storage I/O is enabled, queue depth can change over time when congestion is detected at the array.

This chart is located in the Performance view of the datastore Performance tab. The chart displays information about the ten hosts with the highest values.

Table 1. Data Counters

Chart Label

Description

Max Queue Depth per Host

Maximum queue depth. Queue depth is the number of commands the SCSI driver queues to the HBA.

  • Counter: maxQueueDepth

  • Stats Type: Absolute

  • Unit: Number

  • Rollup Type: Average

  • Collection Level: 3