gabshow - gabshow provides information about the GAB data structures    from live systems as well as from core dumps.

gabshow <-gab | -port portid | -deblog> [attributes] [-c <corefile> -u  <1>]

The gabshow utility is helpful in dumping the GAB data structures as well as some debug logs. Gabshow lets us dump port specific info or debug logs categorized as client, message, flowcontrol or global.

Gabshow utility can be run on the live system as well as core dumps taken from the systems running GAB.

-gab	gab information for the specified attribute
-port	prints gab port information for the specified attribute
-deblog	prints gab debugging logs
-u	specifies UNIX image file from which gab data structures are read
-c	specifies kernel core file from which gab data structures are read
-help	Show short usage

device	Print GAB devices information
port	Print open port information

flags	Print flags
flowcontrol
	Print flowcontrol information
membership
	Print membership for the port
seqfail
	Print bitmap information used by recovery
qsize	Print all queue sizes of the port

client	Print port client message logs
flowcontrol
	Print port flowcontrol logs
message
	Print port message logs

Gabshow can be used to dump GAB data structures from the core. Following are the ways to provide input files for different platforms.

-u	(Solaris) /var/crash/sys/1.2 -c /var/crash/sys/vmcore.2
-u	(Linux) /path/to/vmlinux/file -c /var/crash/<host/date>/vmcore
-u	(1) /1 -c /var/adm/ras/vmcore.6
-u	(1) /1 -c /var/adm/ras/vmcore.6 /usr/lib/drivers/gab
-u	(HP-UX) /var/adm/crash/crash.5/vmunix -c /var/adm/crash/crash.5

-gab	port
-gab	device
-port	portid membership
-port	portid flowcontrol
-port	portid seqfail
-port	portid qsize
-port	portid flags
-deblog	global
-deblog	portid client
-deblog	portid message
-deblog	portid flowcontrol