1.RAC资源和结构巡检
cluster相关信息
cluster名称
[grid@rac01 ~]$ olsnodes -n
或
[grid@rac01 ~]$ cemutlo -n
cluster资源状态
[grid@rac01 ~]$ crsctl stat res -t
cluster资源及后台DAEMON
[grid@rac01 ~]$ crsctl stat res -t -init
检查nodeapps
--注:GSD在9i之后不启动
[grid@rac01 ~]$ srvctl status nodeapps
检查SCAN-IP和SCAN监听
检查scan配置
[grid@rac01 ~]$ srvctl config scan
检查SCAN-IP的状态
[grid@rac01 ~]$ srvctl status scan
检查SCAN监听
[grid@rac01 ~]$ srvctl status scan_listener
检查每个节点的VIP状态
[grid@rac01 ~]$ srvctl status nodeapps
或
srvctl status vip -n 节点名称
检查本地监听配置和状态
[grid@rac01 ~]$ srvctl config listener -a
[grid@rac01 ~]$ srvctl status listener
检查ASM实例和磁盘组
[grid@rac01 ~]$ srvctl status asm -a
[grid@rac01 ~]$ crsctl query css votedisk
cluster相关服务
检查磁盘组
注意资源名称,先用crsctl stat res -t,查询资源
srvctl status diskgroup -g FRADATA
[grid@rac01 ~]$ crsctl query css votedisk
ocr备份信息
[grid@rac01 ~]$ ocrconfig -showbackup
cluster相关服务
[grid@rac01 ~]$ crsctl check crs
olr备份信息
检查
[grid@rac01 ~]$ ocrcheck
2.数据库巡检
查询表空间及数据文件
set linesize 150
col FILE_ID format 999
col FILE_NAME format a50
col TABLESPACE_NAME format a15
select file_id,file_name,tablespace_name from dba_data_files order by 1;
查询表空间使用率
set linesize 150
column file_name format a65
column tablespace_name format a20
select f.tablespace_name tablespace_name,round((d.sumbytes/1024/1024/1024),2) total_g,
round(f.sumbytes/1024/1024/1024,2) free_g,
round((d.sumbytes-f.sumbytes)/1024/1024/1024,2) used_g,
round((d.sumbytes-f.sumbytes)*100/d.sumbytes,2) used_percent
from (select tablespace_name,sum(bytes) sumbytes from dba_free_space group by tablespace_name) f,
(select tablespace_name,sum(bytes) sumbytes from dba_data_files group by tablespace_name) d
where f.tablespace_name= d.tablespace_name
order by d.tablespace_name;
临时表空间和临时文件
set linesize 180;
col TABLESPACE_NAME format a15;
col FILE_ID format 999;
col FILE_NAME format a45;
SELECT TABLESPACE_NAME, FILE_ID, FILE_NAME, BYTES/1024/1024 AS "SPACE(M)" FROM DBA_TEMP_FILES order by 2;
set linesize 200
column file_name format a55
column tablespace_name format a20
select a.tablespace_name,a.file_name,round(a.bytes/(1024*1024*1024),2) total_g,
round(sum(nvl(b.bytes,0))/(1024*1024*1024),2) free_g,
round((a.bytes/(1024*1024*1024) - sum(nvl(b.bytes,0))/(1024*1024*1024)),2) used_g,
round(((a.bytes/(1024*1024*1024) - sum(nvl(b.bytes,0))/(1024*1024*1024)))/a.bytes/(1024*1024*1024),2) free_g
from dba_temp_files a,dba_free_space b
where a.file_id = b.file_id(+)
group by a.tablespace_name,a.file_name,a.bytes
order by a.tablespace_name;
添加临时文件
alter tablespace TEMP add tempfile size 29 M AUTOEXTEND ON NEXT 640K MAXSIZE 32767M;
日志组
日志组基本信息
set linesize 180
col GROUP# format 999
col THREAD# format 999
col SEQUENCE# format 99999
col BLOCKSIZE format 999
col MEMBERS format 999
select * from V$log order by GROUP#;
添加日志组,执行以下命令为数据库HDAPP添加日志组:
alter database add logfile thread 1 group 9 size 512M;
--或者:
alter database add logfile thread 1 group 9 ('+DATA/hdapp/redo09a.log','+BACKUP/hdapp/onlinelog/redo09b.log') size 500M;
日志文件
日志文件基本信息
set linesize 150
col MEMBER format a70
select * from v$logfile where type<>'STANDBY' order by 1;
为数据库HDAPP添加日志文件
执行以下命令为数据库HDAPP添加日志文件:
alter database add logfile member ('+BACKUP/hdapp/onlinelog/redo09b.log') to group 9;
删除日志文件
alter database drop logfile member '+FRADATA/orcl/onlinelog/group_5.297.1016707657';
STANDBY日志文件基本信息
set linesize 150
col MEMBER format a70
select * from v$logfile where type='STANDBY' order by 1;
查当天每小时的归档日志生成量(单实例)
alter session set nls_date_format='yyyy.mm.dd hh24:mi:ss';
col mbsize format 999,999,999
select logtime,
count(*),
round(sum(blocks * block_size)/1024/1024) mbsize
from (select trunc(first_time, 'hh') as logtime, a.BLOCKS, a.BLOCK_SIZE
from v$archived_log a
where a.DEST_ID = 1
and a.FIRST_TIME > trunc(sysdate))
group by logtime
order by logtime desc;
查最近一周每天的归档日志生成量(单实例)
select logtime,
count(*),
round(sum(blocks * block_size)/1024/1024) mbsize
from (select trunc(first_time, 'dd') as logtime, a.BLOCKS, a.BLOCK_SIZE
from v$archived_log a
where a.DEST_ID = 1
and a.FIRST_TIME > trunc(sysdate - 7))
group by logtime
order by logtime desc;
alter session set nls_date_format='yyyy.mm.dd hh24:mi:ss';
col mbsize format 999,999,999
select THREAD#,
logtime,
count(*),
round(sum(blocks * block_size)/1024/1024) mbsize
from (select a.THREAD#,
trunc(first_time, 'hh') as logtime,
a.BLOCKS,
a.BLOCK_SIZE
from v$archived_log a
where a.DEST_ID = 1
and a.FIRST_TIME > trunc(sysdate-0))
group by THREAD#, logtime
order by THREAD#, logtime desc;
查最近一周每天的各个实例的归档日志生成量
alter session set nls_date_format='yyyy.mm.dd hh24:mi:ss';
col mbsize format 999,999,999
select THREAD#,
logtime,
count(*),
round(sum(blocks * block_size)/1024/1024) mbsize
from (select THREAD#,
trunc(first_time, 'dd') as logtime,
a.BLOCKS,
a.BLOCK_SIZE
from v$archived_log a
where a.DEST_ID = 1
and a.FIRST_TIME > trunc(sysdate - 7))
group by THREAD#, logtime
order by THREAD#, logtime desc;