- Sun Storage Virtual Tape Library VTL User Guide

96267 • G 147
CHAPTER
6
Recoveryfollowing asystemfailure
TorecoveraVTLhig h‐availabilitysystemfollowingafailureononenode,carryout
thefollowingtasks:
■ “Failback”onpage 147
■ “Resumingbackupsfollowingafailover/failback”onpage 157.
Failback
Forbestresults,runfailbackasamanualprocess,us i n g theproce dure outlined
below.
▼ Initiating failback
Forthepurposesofthisdescription,thecurrent,activenodeisVTLPLUSN2,the
failovernodeforVTLPLUSN1,thefailed/offlinenode.
1. Openaterminalwindowonthemanagementhost,andsshtotheIPaddressof
thecurrentlyactivenode,VTLPLUSN2:
wherennn.nnn. nn n.nny isthemanagementor“server”IPaddress of
VTLPLUSN2,
thenodethat tookoverforthefailedservernode,V TLP LU SN1 and vtladmin is
theVTLadministratoraccountuserID.
2. Makesurethatyouareloggedinto theactual ,activenode:
[VTL_Plus]vtladmin# ssh [e-mail]
Connecting to nnn.nnn.nnn.nny ...
Password:
[VTL_Plus]vtladmin# uname -a
SunOS VTLPLUSN2 n.nn Generic_nnnnnn-nn i86pc i386 i86pc