HP A7533A - Brocade 4Gb SAN Switch Base Administrator's Manual page 280

Press y to disable the discovery feature.
3.
4. Enter the mstdDisable all command to disable the discovery feature on the entire fabric.
Press y to disable the discovery feature.
5.
NOTE: Disabling management server topology discover might erase all NID entries.
switch:admin> mstddisable
This may erase all NID entries. Are you sure?
Request to disable MS Topology Discovery Service in progress....
*MS Topology Discovery disabled locally.
switch:admin> mstddisable all
This may erase all NID entries. Are you sure?
Request to disable MS Topology Discovery Service in progress....
*MS Topology Discovery disabled locally.
*MS Topology Discovery Disable Operation Complete!!
292 Configuring the distributed manager server
(yes, y, no, n): [no] y
(yes, y, no, n): [no] y