It is in "show tech details" from 3.1(1) onwards. Since 3.1 we added a lot more to "show tech details", such as,
`show fcdomain status`
`show fcdomain session-status`
`show fcdomain`
`show fcdomain allowed`
`show fcdomain pending-diff`
`show fcdomain address-allocation`
`show fcdomain address-allocation cache`
`show fcdomain fcid persistent`
`show fcdomain internal event-history`
`show fcdomain internal event-history fcid`
`show fcdomain internal event-history msgs`
`show fcdomain internal mem-stats detail`
`show fcdomain statistics`
`show fcdomain internal info mts`
`show fcdomain internal info fcidp-tbl range 0-599`
In fact, they are part of the new "show tech fcdomain" which is called by "show tech details".
In 3.1(1) there are many new flavours of "show tech" !
MDS# show tech ?
acl Show information for acl technical support
bootvar Gather detailed information for bootvar troubleshooting
brief Display the switch summary
cfs Gather detailed information for cfs troubleshooting
commands Show commands executed as part of show tech-support commands
details Gather detailed information for troubleshooting
device-alias Show device-alias technical support information
fcdomain Gather detailed information for fcdomain troubleshooting
fcip Gather detailed information for FCIP troubleshooting
fcns Show information for fcns technical support
flogi Gather detailed information for flogi troubleshooting
fspf Show information for fspf technical support
fta Gather detailed information for FTA troubleshooting
interface Gather info related to an interface
internal Gather internal info for troubleshooting
ip Show information for ip technical support
iscsi Show information for iscsi technical support
islb Show information for islb technical support
issu Gather detailed information for issu troubleshooting
ivr Show information for IVR technical support staff
license Gather detailed information for license troubleshooting
logging Show information on logging for technical support staff
module Gather info related to a module
port Gather detailed information for port manager troubleshooting
port-channel Gather detailed information for port channel troubleshooting
port-security Show technical support information for port-security
prefpath Show information for preferred path technical support
qos Show information for QoS technical support
rscn Show information for rscn technical support
snmp Gather info related to snmp
span Gather detailed information for span troubleshooting
sysmgr Gather detailed information for sysmgr troubleshooting
vrrp Show information for vrrp technical support
vsan Gather info related to an vsan
zone Show information for zoneserver technical support
| Output modifiers.
> Output Redirection.
Carriage return.
MDS#
