Cluster Communications

Service Groups and Resources

hastatus sum

o Cannot connect . . .

o Systems in wait state

o Resources offline

gabconfig -a

o No port a

o No port h lltconfig -a

o LLT not running

GAB problem HAD problem LLT problem

Service group cannot come online hagrp display group

o Check AutoStart and AutoStartList attributes o Check AutoDisabled attribute

WARNING! See doc before clearing

o Reprobe unprobed resources hares probe res sys sys

o Unfreeze frozen service groups hagrp unfreeze group [-persistent]

o Take service group offline elsewhere and flush

hagrp offline group hagrp flush group sys sys

ArgList corrupted in types.cf hatype display res_type

o Stop VCS on all systems hastop all -force

o Fix or replace types.cf cd /etc/VRTSvcs/conf/config cp types.cf.previous types.cf

o Restart VCS on all systems hastart (each system)

Inconsistent system name uname -a

o Correct any mismatched names in llttab, llthosts, sysname, main.cf

Startup

GAB problem

o Check seed number in /etc/gabtab o Start GAB:

HAD problem

o Verify main.cf syntax hacf verify conf_dir

o Check had/hashadow processes ps-ef | grep ha

LLT problem

o Check console and logs for missing or misconfigured LLT files

o Check LLT configuration files llttab, llthosts, sysname

o Start LLT lltconfig -c

o Ensure systems are visible on LLT lltstat nvv

o Check physical network components

ADMIN_WAIT or STALE_ADMIN_WAIT

o Visually inspect main.cf and restore or fix if necessary

o Check and fix main.cf syntax hacf verify conf_dir

o Start VCS hasys force sys

o Force VCS on the node with fixed main.cf hasys force sys

o Start VCS on other nodes hastart

VCS Troubleshooting Job Aid