Chapter 55
Configuring SCSI Flow Services and Statistics
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m
•
To take advantage of this feature, only the initiator must be directly attached to an SSM.
Note
The SCSI flow statistics feature requires the Enterprise Package license installed only on the initiator
switches.
Note
For SCSI flow statistics, the initiator must connect to an SSM on a Cisco MDS switch while the target
can connect to any other switch in the fabric. The SCSI flow initiator and target cannot connect to the
same switch.
Configuring SCSI Flow Statistics
This section includes the following topics:
•
•
Enabling SCSI Flow Statistics
To enable SCSI flow statistics monitoring using Fabric Manager, follow these steps:
Step 1
Expand End Devices and then select SSM Features in the Physical Attributes pane.
You see the FCWA tab in the Information pane.
Step 2
Click Create Row in the Information pane to create a SCSI flow or click a row in the FCWA table to
modify an existing SCSI flow.
You see the FC Write Acceleration dialog box shown in
Step 3
Select the initiator and target WWNs and VSAN IDs and check the Enable Statistics check box to
enable SCSI flow statistics on this SCSI flow.
Step 4
Optionally, enable Fibre Channel write acceleration on this SCSI flow at this time by checking the
WriteAcc check box.
Step 5
Click Create to create this SCSI flow.
OL-16184-01, Cisco MDS SAN-OS Release 3.x
Inquiry
–
Read capacity
–
Mode sense
–
Request sense
–
Errors
Number of timeouts
–
Number of I/O failures
–
–
Number of various SCSI status events
–
Number of various SCSI sense key errors or events
Enabling SCSI Flow Statistics, page 55-7
Clearing SCSI Flow Statistics, page 55-8
Figure
55-5.
Cisco MDS 9000 Family CLI Configuration Guide
SCSI Flow Statistics
55-7