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rman 恢复为何总是查找备份之前的归档？

1^#

发表于 2012-3-28 11:27:45 | 查看: 4113| 回复: 1

今天一同事做rman 恢复操作。rac节点数据恢复到某一测试单机数据库：
restore成功。但在recover的时候始终查找备份前的归档（备份为0级备份）。通过v$datafile_header 查看，scn 都被下面的错误信息的大。

RMAN-06025: no backup of log thread 1 seq 326 scn 58749837 found to restore

在基于scn的恢复的时候始终抱上面的错误。不知道哪些情况会出现这种情况。或如何分析这种错误？

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Maclean Liu(刘相兵

2^#

发表于 2012-3-30 20:25:33

Action Plan:
执行以下脚本并上传结果：

spool results01.txt
set echo on feedback on time on timing on pagesize 100 linesize 80 numwidth 13
show user
alter session set nls_date_format = 'DD-MON-YYYY HH24:MI:SS';
select * from v$version;
select to_char(sysdate, 'DD-MON-YYYY HH24:MI:SS') as current_date from dual;
column name format a30
column value format a49
select name, value from v$parameter where isdefault='FALSE' order by 1;
column parameter format a30
column value format a49
select * from v$nls_parameters order by parameter;
column name format a10
select dbid, name,
to_char(created, 'DD-MON-YYYY HH24:MI:SS') created,
open_mode, log_mode,
to_char(checkpoint_change#, '999999999999999') as checkpoint_change#,
controlfile_type,
to_char(controlfile_change#, '999999999999999') as controlfile_change#,
to_char(controlfile_time, 'DD-MON-YYYY HH24:MI:SS') controlfile_time,
to_char(resetlogs_change#, '999999999999999') as resetlogs_change#,
to_char(resetlogs_time, 'DD-MON-YYYY HH24:MI:SS') resetlogs_time
from v$database;
select * from v$instance;
archive log list;
select * from v$thread order by thread#;
select * from v$log order by first_change#;
column member format a45
select * from v$logfile;
column name format a79
select '#' || ts.name || '#' as tablespace_name, ts.ts#,
'#' || df.name || '#' as filename, df.file#, df.status, df.enabled, df.creation_change#,
to_char(df.creation_time, 'DD-MON-YYYY HH24:MI:SS') as creation_time,
to_char(df.checkpoint_change#, '999999999999999') as checkpoint_change#,
to_char(df.checkpoint_time, 'DD-MON-YYYY HH24:MI:SS') as checkpoint_time,
to_char(df.offline_change#, '999999999999999') as offline_change#,
to_char(df.online_change#, '999999999999999') as online_change#,
to_char(df.online_time, 'DD-MON-YYYY HH24:MI:SS') as online_time,
to_char(df.unrecoverable_change#, '999999999999999') as online_change#,
to_char(df.unrecoverable_time, 'DD-MON-YYYY HH24:MI:SS') as online_time,
to_char(df.bytes, '9,999,999,999,990') as bytes, block_size
from v$datafile df, v$tablespace ts
where ts.ts# = df.ts#
and ( df.status <> 'ONLINE'
or df.checkpoint_change# <> (select checkpoint_change# from v$database) );
select '#' || ts.name || '#' as tablespace_name, ts.ts#,
'#' || dh.name || '#' as filename, dh.file#, dh.status, dh.error, dh.
fuzzy, dh.creation_change#,
to_char(dh.creation_time, 'DD-MON-YYYY HH24:MI:SS') as creation_time,
to_char(dh.checkpoint_change#, '999999999999999') as checkpoint_change#,
to_char(dh.checkpoint_time, 'DD-MON-YYYY HH24:MI:SS') as checkpoint_time,
to_char(dh.resetlogs_change#, '999999999999999') as resetlogs_change#,
to_char(dh.resetlogs_time, 'DD-MON-YYYY HH24:MI:SS') as resetlogs_time,
to_char(dh.bytes, '9,999,999,999,990') as bytes
from v$datafile_header dh, v$tablespace ts
where ts.ts# = dh.ts#
and ( dh.status <> 'ONLINE'
or dh.checkpoint_change# <> (select checkpoint_change# from v$database) );
select * from v$tempfile;
select HXFIL File_num,substr(HXFNM,1,60) file_name, FHTNM tablespace_name,
FHTYP type, HXERR validity,
FHSCN SCN, FHTIM SCN_Time, FHSTA status,
FHTHR Thread, FHRBA_SEQ Sequence
from X$KCVFH
--where HXERR > 0
order by HXERR, FHSTA, FHSCN, HXFIL;
column error format a15
select error, fuzzy, status, checkpoint_change#,
to_char(checkpoint_time, 'DD-MON-YYYY HH24:MI:SS') as checkpoint_time,
count(*)
from v$datafile_header
group by error, fuzzy, status, checkpoint_change#, checkpoint_time
order by checkpoint_change#, checkpoint_time;
select * from V$INSTANCE_RECOVERY;
select * from v$recover_file order by change#;
select * from dba_tablespaces where status <> 'ONLINE';
SELECT * FROM database_properties order by property_name;
select *
from X$KCCLH, (select min(checkpoint_change#) df_min_scn,
min(checkpoint_change#) df_max_scn
from v$datafile_header
where status='ONLINE') df
where LHLOS in (select first_change# from v$log)
or df.df_min_scn between LHLOS and LHNXS
or df.df_max_scn between LHLOS and LHNXS;

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