Data Center Fabric Manager Enterprise User Manual v10.3.X (53-1001357-01, November 2009)

380 DCFM Enterprise User Manual

53-1001357-01

Enabling and disabling compression

The procedure for enabling compression for the 4 Gbps Router, Extension Switch and Blade is

different than the procedure for enabling compression for the 8 Gbps 16-FC ports, 6-Gbit ports

Extension Switch and 8 Gbps 12-FC port, 10 GbE ports, 2-10 GbE ports Extension blade.

For 4 Gbps Router, Extension Switch and Blade:

1. Select the Enable Compression check box to enable compression.

2. Click OK to commit your selection.

For the 8 Gbps 16-FC ports, 6-Gbit ports Extension Switch and 8 Gbps 12-FC port, 10 GbE ports,

2-10 GbE ports Extension blade:

1. Select the Enable Compression check box to enable compression.

This enables the Compression Mode selector.

2. Values of 1, 2, and 3 are available from the Compression Mode selector. A value of 1 enables

the normal hardware compression mode for the 8 Gbps 16-FC ports, 6-Gbit ports Extension

Switch and the 8 Gbps 12-FC port, 10 GbE ports, 2-10 GbE ports Extension blade. Values of 2

and 3 set incrementally more aggressive software compression modes. A value of 2 sets

moderate compression mode, and a value of 3 sets aggressive compression mode.

3. Click OK to commit you selection.

To disable compression, click the Enable Compression to clear the check mark, and click OK.

Enabling Open Systems Tape Pipelining (OSTP)

To enable OSTP, do the following:

1. Select the Fast Write check box.

This enables the Tape Pipelining check box.

2. Select the Tape Acceleration check box.

3. Click OK.

Enabling Tperf test mode

Tperf test mode should not be enabled during normal operations. It is only used for testing and

troubleshooting tunnels. Refer to the Fabric OS FCIP Administrator’s Guide for information about

Tperf.