Thursday, May 17, 2012

ORA-16038 ORA-19504

Archiver Hung in Oracle database 



Summary
1. check how much space is used by archiver
2. check the last good backup of the database
3. delete archive log files older than last good backup
4. crosscheck archive log
1. check how much space is used by archiver
  Sql>  select count(*),sum(blocks*block_size) from v$archived_log where    backup_count=0 and      deleted='NO';
   Sql> select * from v$flash_recovery_area_usage;
2. check the last good backup of the database
  set pages 999 lines 120
   col STATUS format a9
   col hrs format 999.99
   col start_time format a15
   col end_time format a15
   col dev format a5
   col inbytes format a10
   col outbytes format a10
   select
       INPUT_TYPE, STATUS,
       to_char(START_TIME,'mm/dd/yy hh24:mi') start_time,
       to_char(END_TIME,'mm/dd/yy hh24:mi')   end_time,
       elapsed_seconds/3600                   hrs,
       output_device_type dev,
       input_bytes_display inbytes,
       output_bytes_display outbytes
    from V$RMAN_BACKUP_JOB_DETAILS
   order by session_key;

   3. delete archive log files older than last good backup
rman target / nocatalog
 allocate channel for maintenance device type disk;
 crosscheck archivelog all;
 delete noprompt archivelog until time 'sysdate - 1';
 delete noprompt expired archivelog all;
 delete noprompt obsolete device type disk;   

4. crosscheck archive log
crosscheck archivelog all;
 release channel;
 exit;  

Thank you 
Osama mustafa

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