Brocade Communications Systems CNA, HBA 415 Manual De Usuario

FCP IM Module Statistics dialog box (HBA and CNA)

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FCP IM Module Statistics dialog box (HBA and CNA)

The FCP IM Module Statistics dialog box enables you to display statistical information for each 
initiator target nexus (ITN). 

Opening the dialog box

Select Monitor > Statistics > FCP IM Module Statistics from the Host Connectivity Manager.

OR

Right-click a port from the device tree and select FCP IM Module Statistics.

Fields and components

Field

Description

Keep Running Data checkbox

Click to continue running statistical data. This is useful if you want to 
see a trend.

Polling Frequency in Seconds text box

Type a number for polling frequency. The range is between five and 
3600 seconds and the default is five seconds.

Start Polling button

Click to manually poll the FCP IM statistics.

Reset button

Click to reset all of the statistics to 0.

Date

The date and time of the most recent reset.

Total number of IOs

The total number of I/O operations on the port.

IO waiting for CQ space

The number of I/Os waiting for circular queue space.

NO IO contexts

Number of I/O context requests.

IO abort requests

The number of I/O abort requests.

NO task management contexts

Number of task management I/O context requests.

IO completions with OK status

The number of I/O operations that completed successfully.

IO underrun (good)

The number of successful firmware I/O underrun operations.

IO overrun (good)

The number of successful firmware I/O overrun operations.

Aborted IO requests

The number of aborted I/O requests.

IO timeouts

The number of times an I/O timed out.

IO selection timeouts

The number of I/O selection timeout occurrences.

IO protocol errors

The number of I/O protocol errors.

IO SBC-3 protection errors

Number of SCSI block data protection errors for SBC-3 (SCSI Block 
Command 3)

IO aborted by TM requests

The number of I/Os that were aborted because of target mode 
requests.

IO retry for SQ error recovery

The number of I/O retries for sequence level error recovery.

Delayed freeing of IO resources

The number of times I/O resource freeing was delayed.

IO with non-good SCSI status

The number of I/Os with SCSI status of non-good.

Host IO abort requests

The number of times the host aborted I/O requests.