Bug4401119AIX:CrashpossibleonAIX(ORA-206)
Thisbugismarkedasanimportantissue.
Affects:
Product(Component) | OracleServer(Rdbms) |
Rangeofversionsbelievedtobeaffected | Versions<11 |
Versionsconfirmedasbeingaffected | ·10.1.0.2 ·10.1.0.3 ·10.1.0.4 ·10.2.0.1 |
Platformsaffected | ·IBMAIX5LBasedSystems(64bit) |
Fixed:
Thisissueisfixedin | ·10.1.0.5(ServerPatchSet) ·10.2.0.2(ServerPatchSet) ·11.1.0.6(BaseRelease) | ||
Symptoms: | RelatedTo: | ||
·ErrorMayOccur ·Corruption ·InstanceMayCrash ·ORA-206/ORA-27072 | ·(NoneSpecified) |
Appliesto:
OracleServer-EnterpriseEdition-Version:10.1.0.2to10.1.0.4,10.2.0.1
AIX5LBasedSystems(64-bit)
Alertuserstopossibledatabasecrasheswitherror221unabletowritetocontrolfileonAIX5L.Theerrorstackthatisgeneratedis:
ORA-00221:erroronwritetocontrolfile
ORA-00206:errorinwriting(block3,#blocks1)ofcontrolfile
ORA-00202:controlfile:'/u03/oradata/paimg/control03.ctl'
ORA-27072:FileI/Oerror
IBMAIXRISCSystem/6000Error:22:Invalidargument
Additionalinformation:7
ThisproblemisspecifictoOracle10gonAIX5L.
DatabasecrasheswithORA-221,ORA-206,ORA-202,ORA-27072
Impact:
Thedatabaseimpactisseveresinceitcausesthedatabasetocrash.Inadditionthiserrorisusuallytheresultofaresource
exhaustion.Soonceitisencountereditismorethanlikelythatthisproblemwillbeencounteredagainontheproduction
system.
Workaround:
None.HoweverthedefaultserversettingsforAIXare:
MINIMUMnumberofservers[1]
MAXIMUMnumberofserverspercpu[100]
MaximumnumberofREQUESTS[4096]
Thisproblemisimprovedslightlybychangingtheabovevaluestosomethinglike:
MINIMUMnumberofservers(minservers)[64]
MAXIMUMnumberofserverspercpu(maxservers)[256]
MaximumnumberofREQUESTS(maxreqs)[8192]
Solution:
Applypatchforbug4401119
BUG:4401119-DatabaseDownWithControlfileCorruption