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Table Of Contents
VMware ACE Administrator’s Manual
60 VMware, Inc.
SomecommonbenefitsofusinganexternaldatabasewiththeACE2Management
Serverare:
Onlinebackup:Youdon’thavetoshutdowntheACE2ManagementServer
tobackupthedatabase.
Enhancedsecuritymodel:Youcanfinetunepermissionstoaccesssensitive
data.TheSQLitedatabaseengineprovidesfilesystembasedsecurity.
Performancefinetuning.
Abilitytouseexternaldatabasemanagementandreportingtools.
IfyoursetupincludesloadbalancedACE2ManagementServers,youmustusean
externalRDBMSasthebackingstore,becausetheSQLitedatabasecannotbeshared
acrossprocessesrunningonmultiplemachines.
About Database Backup
Ifyouareusinganexternaldatabase,youcanusethebackup/recoverystrategythat
youhavedeterminedisappropriateforyourdatabasesystem.
Ifyouareusingtheembeddeddatabase,youcanusestandardfilebackuptools,such
asntbackupordd.Thedataisstoredinoneof:
OnWindows
servers:
C:\Program Files\VMware\VMware ACE Management Server\db\acesc.bin.
OnLinuxservers:
/var/lib/vmware/acesc/db/acesc.bin
Ifyouareusingtheembeddeddatabaseinaproductionenvironment:BecauseSQLite
isfilebased,thedatabasefilecouldbemodifiedbytheACE2ManagementServer
processatthesametimeitisbeingcopiedforbackup.Therefore,aninconsistent
databasesnapshotpotentiallycouldbeproduced.Thisproblemis
unlikelytooccur
—becausethefileisusuallynotlargeandiscopiedquickly.Toavoidthepossibilityof
aninconsistentsnapshot,however,youshould:(1)stoptheserver,(2)copythefileto
N
OTETheSQLitedatabaseisfilebasedandisnotdesignedtobeeffectivelyshared
acrossmultipleprocesses.Ifyouusethirdpartytoolstoaccessthedatabaseforaread
operation,therefore,youcannotdependontransactionalisolationofthependingwrite
operationsoftheASM.
CAUTIONWerecommendthatyoubackupyourACE2ManagementServerdatabase
onaregularbasistoensurethatthedatabasecanberecoveredpromptlyifneeded.