实用的检查程序(2)

TtitleOff

prompt++++++++++++++++++++++++++++++++++Item++++++++++++++++++++++++++++++++++

prompt+3.0LogSwitchIntheLastDay +

prompt++++++++++++++++++++++++++++++++++Item++++++++++++++++++++++++++++++++++

prompt

TTitleleft"***Database:"xdbname",HowOffentheLogSwitch(Asof:"xdate")***"skip1

columnarchive_nameformatA40

column"Time"formatA25

selectto_char(TO_DATE(Time,'MM/DD/RRHH24:MI:SS'),'DD-MON-RRRRHH24:MI:SS')"Time",

ARCHIVE_NAME

fromv$log_history

whereTO_DATE(Time,'MM/DD/RRHH24:MI:SS')>sysdate-1

orderbyTO_DATE(Time,'MM/DD/RRHH24:MI:SS')desc;

prompt

prompt<<<<<<<<<<<<<<<<<<<NOTE:>>>>>>>>>>>>>>>>>>>>>>

prompt3.0Invesigation

promptStandard:

promptDuringperiodsofhighactivity,logswitchesareoccurringevery20minutes

prompt<<<<<<<<<<<<<<<<<<<NOTE:>>>>>>>>>>>>>>>>>>>>>>

prompt

ttitleoff

prompt

prompt++++++++++++++++++++++++++++++++++Item++++++++++++++++++++++++++++++++++

prompt+3.1LogBuffer -redologspacerequests:TheValue +

prompt+shouldberelativesmallpromptServeriswaitingfor +

prompt+diskspacetobeallocateforredologentries +

prompt+Spaceiscreatedbyperformingalogswitch +

prompt++++++++++++++++++++++++++++++++++Item++++++++++++++++++++++++++++++++++

prompt

ttitleleft"***LogBuffers-redologspacerequests***"Skip1

selectsubstr(name,1,25)"LogBuffers",

substr(value,1,15)"VALUE(Near0?)"

fromv$sysstat

wherename='redologspacerequests'

/

prompt

prompt<<<<<<<<<<<<<<<<<<<NOTE:>>>>>>>>>>>>>>>>>>>>>>

prompt3.1Investigation

promptIfthevalueisnotnear0,increaseLOGBUFFER.

prompt<<<<<<<<<<<<<<<<<<<NOTE:>>>>>>>>>>>>>>>>>>>>>>

prompt

ttitleoff1