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二、问题描述@H_450_1@客户执行批处理长时间无法完成。
三、问题处理过程
1、查看等待事件 sql> select inst_id,event,count(*) from gv$session where wait_class<>'IDle' group by inst_ID,event order by 1,2; INST_ID EVENT COUNT(*) ---------- ----------------------------------- ---------- 2 sql*Net message to clIEnt 1 2 buffer busy waits 4 2 log file switch (archiving needed) 5 sql> 2、查看告警日志 2018-04-15 10:33:02.004000 +08:00 Suppressing further error logging of LOG_ARCHIVE_DEST_1. Suppressing further error logging of LOG_ARCHIVE_DEST_1. ARCH: Archival stopped,error occurred. Will conTinue retrying OracLE Instance orcl2 - Archival Error ORA-16038: log 22 SEQUENCE# 274 cAnnot be archived ORA-19504: Failed to create file "" ORA-00312: online log 22 thread 2: '+DATADG/orcl/onlinelog/redo22_01.log' Archiver process freed from errors. No longer stopped ARC4: LGWR is actively archiving desTination log_archive_dest_2 ARCH: Archival stopped,error occurred. Will conTinue retrying OracLE Instance orcl2 - Archival Error ORA-16014: log 22 SEQUENCE# 274 not archived,no available desTinations ORA-00312: online log 22 thread 2: '+DATADG/orcl/onlinelog/redo22_01.log' 3、查看ASM磁盘组 [root@roIDb2 ~]# su - grID <roIDb2:+ASM2:/home/grID>$asmcmd -p ASMCMD [+] > lsdg State Type Rebal Sector Block AU total_mb Free_MB Req_mir_free_MB Usable_file_MB Offline_disks VoTing_files name MOUNTED norMAL N 512 4096 1048576 12288 11362 4096 3633 0 Y CRSDG/ MOUNTED EXTERN N 512 4096 1048576 6144 76 0 76 0 N DATADG/ ASMCMD [+] > 4、通过以上信息发现ASM磁盘组空间已被耗尽,无法进行归档操作,清理部分归档日志即可解决问题。这里我们通过查看等待事件很容易定位到问题。
四、参考官方文档
Resolving Issues Where 'log file switch (archiving needed)' Waits Occur Because Log has not yet been Archived (文档 ID 1476444.1)
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