DB2 - Problembeschreibung
| Problem IC80349 | Status: Geschlossen |
DB2 HADR STANDBY MARKED BAD DUE TO "LOG PAGE CHECKSUM MISMATCH" | |
| Produkt: | |
DB2 FOR LUW / DB2FORLUW / 950 - DB2 | |
| Problembeschreibung: | |
A HADR standby using superasync synchronous mode could hit log
page checksum mismatch issue bringing down the standby database.
Please look into the DB2 diaglog.log file for the relevant
messages similar to the below ones.
2011-11-26-04.02.07.346200-300 I398177E457 LEVEL: Error
PID : 1593 TID : 140118371329792PROC :
db2sysc
INSTANCE: svtdbm NODE : 000 DB : HDRLNX
APPHDL : 0-8 APPID: *LOCAL.DB2.111126055301
EDUID : 41 EDUNAME: db2shred (HDRLNX)
FUNCTION: DB2 UDB, High Availability Disaster Recovery,
hdrGetBlock, probe:40100
MESSAGE : Log page checksum mismatch. pageLsn 0001DBC66FFB
2011-11-26-04.02.07.349893-300 I398635E474 LEVEL: Error
PID : 1593 TID : 140118379718400PROC :
db2sysc
INSTANCE: svtdbm NODE : 000 DB : HDRLNX
APPHDL : 0-8 APPID: *LOCAL.DB2.111126055301
EDUID : 39 EDUNAME: db2redom (HDRLNX)
FUNCTION: DB2 UDB, recovery manager, sqlpPRecReadLog, probe:1275
RETCODE : ZRC=0x87800148=-2021654200=HDR_ZRC_BAD_LOG
"HADR standby found bad log" | |
| Problem-Zusammenfassung: | |
**************************************************************** * USERS AFFECTED: * * HADR users on all platforms * **************************************************************** * PROBLEM DESCRIPTION: * * Without the fix, customer could be exposed to the problem * * described in the APAR error description * **************************************************************** * RECOMMENDATION: * * Upgrade to v95fp9 * **************************************************************** | |
| Local-Fix: | |
Manually copy the log file for which the log page checksum was reported from Primary to Standby and restart the standby. | |
| verfügbare FixPacks: | |
DB2 Version 9.5 Fix Pack 9 for Linux, UNIX, and Windows | |
| Lösung | |
The fix is delivered db2_v95fp9. Customers will not see the checksum error on standby with the fix. | |
| Workaround | |
keiner bekannt / siehe Local-Fix | |
| Bug-Verfolgung | |
Vorgänger : APAR is sysrouted TO one or more of the following: IC80600 Nachfolger : | |
| Weitere Daten | |
Datum - Problem gemeldet : Datum - Problem geschlossen : Datum - der letzten Änderung: | 09.12.2011 07.03.2012 08.03.2012 |
| Problem behoben ab folgender Versionen (IBM BugInfos) | |
9.5.FP9 | |
| Problem behoben lt. FixList in der Version | |
| 9.5.0.9 |
|