巡检案例（1）
[root@ENMOEDU ~]# hostname （检查主机名）
ENMOEDU
[root@ENMOEDU ~]# cat /proc/cpuinfo （cpu的情况）
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 42
model name : Intel(R) Core(TM) i3-2328M CPU @ 2.20GHz
stepping : 7
cpu MHz : 2195.049
cache size : 3072 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 13
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts mmx fxsr sse sse2 ss nx rdtscp lm constant_tsc nonstop_tsc arat pni ssse3 cx16 sse4_1 sse4_2 popcnt lahf_lm [8]
bogomips : 4390.09
processor : 1
vendor_id : GenuineIntel
cpu family : 6
model : 42
model name : Intel(R) Core(TM) i3-2328M CPU @ 2.20GHz
stepping : 7
cpu MHz : 2195.049
cache size : 3072 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 13
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts mmx fxsr sse sse2 ss nx rdtscp lm constant_tsc nonstop_tsc arat pni ssse3 cx16 sse4_1 sse4_2 popcnt lahf_lm [8]
bogomips : 4392.07
[root@ENMOEDU ~]# grep MemTotal /proc/meminfo （物理内存）
MemTotal: 1035064 kB
[root@ENMOEDU ~]# head -n 1 /etc/issue （系统版本）
Red Hat Enterprise Linux Server release 5.5 (Tikanga)
（接着检查数据库版本，控制文件，日志等的信息）
SQL> select * from v$version;
BANNER
--------------------------------------------------------------------------------
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - Production
PL/SQL Release 11.2.0.3.0 - Production
CORE 11.2.0.3.0 Production
TNS for Linux: Version 11.2.0.3.0 - Production
NLSRTL Version 11.2.0.3.0 - Production
SQL> show parameter db_name
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
db_name string ENMOEDU
SQL> archive log list
Database log mode No Archive Mode
Automatic archival Disabled
Archive destination USE_DB_RECOVERY_FILE_DEST
Oldest online log sequence 92
Current log sequence 94
SQL> show parameter db_block_size
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
db_block_size integer 8192
SQL> show parameter vls_language
SQL> show parameter nls_language
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
nls_language string AMERICAN
SQL> select * from v$controlfile
2 ;
STATUS
-------
NAME
--------------------------------------------------------------------------------
IS_ BLOCK_SIZE FILE_SIZE_BLKS
--- ---------- --------------
/u01/app/oracle/oradata/ENMOEDU/control03.ctl
NO 16384 594
/u01/app/oracle/oradata/ENMOEDU/control01.ctl
NO 16384 594
STATUS
-------
NAME
--------------------------------------------------------------------------------
IS_ BLOCK_SIZE FILE_SIZE_BLKS
--- ---------- --------------
SQL> select * from v$log;
GROUP# THREAD# SEQUENCE# BYTES BLOCKSIZE MEMBERS ARC
---------- ---------- ---------- ---------- ---------- ---------- ---
STATUS FIRST_CHANGE# FIRST_TIM NEXT_CHANGE# NEXT_TIME
---------------- ------------- --------- ------------ ---------
1 1 94 52428800 512 1 NO
CURRENT 1391127 23-MAY-14 2.8147E+14
2 1 92 52428800 512 1 NO
INACTIVE 1338533 13-APR-14 1368796 28-APR-14
3 1 93 52428800 512 1 NO
INACTIVE 1368796 28-APR-14 1391127 23-MAY-14
SQL> select * from v$logfile;
GROUP# STATUS TYPE
---------- ------- -------
MEMBER
--------------------------------------------------------------------------------
IS_
---
1 ONLINE
/u01/app/oracle/oradata/ENMOEDU/redo01.log
NO
2 ONLINE
/u01/app/oracle/oradata/ENMOEDU/redo02.log
NO
GROUP# STATUS TYPE
---------- ------- -------
MEMBER
--------------------------------------------------------------------------------
IS_
---
3 ONLINE
/u01/app/oracle/oradata/ENMOEDU/redo03.log
NO
SQL> select * from v$log;
GROUP# THREAD# SEQUENCE# BYTES BLOCKSIZE MEMBERS ARC
---------- ---------- ---------- ---------- ---------- ---------- ---
STATUS FIRST_CHANGE# FIRST_TIM NEXT_CHANGE# NEXT_TIME
---------------- ------------- --------- ------------ ---------
1 1 94 52428800 512 1 NO
CURRENT 1391127 23-MAY-14 2.8147E+14
2 1 92 52428800 512 1 NO
INACTIVE 1338533 13-APR-14 1368796 28-APR-14
3 1 93 52428800 512 1 NO
INACTIVE 1368796 28-APR-14 1391127 23-MAY-14
#此库没有开启归档，建议在安装部署后就开启归档防止数据丢失
（创建基线 取出awr报告）
SQL> exec dbms_workload_repository.create_baseline(start_snap_id=>19,end_snap_id=>22,baseline_name=>'EOM Baseline');
[oracle@ENMOEDU admin]$ pwd/u01/app/oracle/product/11.2.0/dbhome_1/rdbms/admin
SQL> @awrrpt.sql
Current Instance
~~~~~~~~~~~~~~~~
DB Id DB Name Inst Num Instance
----------- ------------ -------- ------------
87396644 ENMOEDU 1 ENMOEDU
Specify the Report Type
~~~~~~~~~~~~~~~~~~~~~~~
Would you like an HTML report, or a plain text report?
Enter 'html' for an HTML report, or 'text' for plain text
Defaults to 'html'
Enter value for report_type: html
Type Specified: html
Instances in this Workload Repository schema
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
DB Id Inst Num DB Name Instance Host
------------ -------- ------------ ------------ ------------
* 87396644 1 ENMOEDU ENMOEDU ENMOEDU
Using 87396644 for database Id
Using 1 for instance number
(接着是
[root@ENMOEDU ~]# df -k
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
5078656 383112 4433400 8% /
/dev/mapper/VolGroup00-LogVol04
5078656 254428 4562084 6% /var
/dev/mapper/VolGroup00-LogVol03
5078656 3646952 1169560 76% /usr
/dev/mapper/VolGroup00-LogVol02
5078656 204460 4612052 5% /tmp
/dev/mapper/VolGroup00-LogVol01
5078656 1089992 3726520 23% /home
/dev/mapper/VolGroup00-LogVol06
50786940 12881100 35284400 27% /u01
/dev/sda1 101086 12293 83574 13% /boot
tmpfs 517532 298976 218556 58% /dev/shm
/dev/scd0 3038672 3038672 0 100% /media/RHEL_5.5 i386 DVD
[root@ENMOEDU ~]# iostat -c 5 22 （cpu闲置率）
Linux 2.6.18-194.el5 (ENMOEDU) 05/23/2014
avg-cpu: %user %nice %system %iowait %steal %idle
1.22 0.02 1.37 7.57 0.00 89.82
avg-cpu: %user %nice %system %iowait %steal %idle
0.10 0.00 0.52 0.31 0.00 99.07
avg-cpu: %user %nice %system %iowait %steal %idle
0.10 0.00 0.42 1.47 0.00 98.01
avg-cpu: %user %nice %system %iowait %steal %idle
0.10 0.00 0.21 0.63 0.00 99.06
avg-cpu: %user %nice %system %iowait %steal %idle
0.00 0.00 0.53 0.00 0.00 99.47
avg-cpu: %user %nice %system %iowait %steal %idle
0.31 0.00 0.63 1.05 0.00 98.01
avg-cpu: %user %nice %system %iowait %steal %idle
0.00 0.00 0.52 0.10 0.00 99.38
avg-cpu: %user %nice %system %iowait %steal %idle
0.62 0.00 0.72 0.62 0.00 98.04
avg-cpu: %user %nice %system %iowait %steal %idle
0.10 0.00 0.31 0.10 0.00 99.48
avg-cpu: %user %nice %system %iowait %steal %idle
0.21 0.00 0.42 0.11 0.00 99.26
avg-cpu: %user %nice %system %iowait %steal %idle
0.21 0.00 0.53 0.32 0.00 98.95
avg-cpu: %user %nice %system %iowait %steal %idle
0.74 0.00 0.63 0.42 0.00 98.20
[root@ENMOEDU ~]# ps -ef|grep oracle
root 5463 5219 0 04:06 pts/2 00:00:00 su - oracle
oracle 5464 5463 0 04:06 pts/2 00:00:00 -bash
oracle 5569 1 0 04:07 ? 00:00:00 ora_pmon_ENMOEDU
oracle 5571 1 0 04:07 ? 00:00:00 ora_psp0_ENMOEDU
oracle 5574 1 0 04:07 ? 00:00:00 ora_vktm_ENMOEDU
oracle 5578 1 0 04:07 ? 00:00:00 ora_gen0_ENMOEDU
oracle 5580 1 0 04:07 ? 00:00:00 ora_diag_ENMOEDU
oracle 5582 1 0 04:07 ? 00:00:00 ora_dbrm_ENMOEDU
oracle 5584 1 0 04:07 ? 00:00:00 ora_dia0_ENMOEDU
oracle 5586 1 0 04:07 ? 00:00:00 ora_mman_ENMOEDU
oracle 5588 1 0 04:07 ? 00:00:00 ora_dbw0_ENMOEDU
oracle 5590 1 0 04:07 ? 00:00:00 ora_lgwr_ENMOEDU
oracle 5592 1 0 04:07 ? 00:00:00 ora_ckpt_ENMOEDU
oracle 5594 1 0 04:07 ? 00:00:00 ora_smon_ENMOEDU
oracle 5596 1 0 04:07 ? 00:00:00 ora_reco_ENMOEDU
oracle 5598 1 0 04:07 ? 00:00:01 ora_mmon_ENMOEDU
oracle 5600 1 0 04:07 ? 00:00:00 ora_mmnl_ENMOEDU
oracle 5602 1 0 04:07 ? 00:00:00 ora_d000_ENMOEDU
oracle 5604 1 0 04:07 ? 00:00:00 ora_s000_ENMOEDU
oracle 5641 1 0 04:07 ? 00:00:00 ora_qmnc_ENMOEDU
oracle 5659 1 0 04:07 ? 00:00:00 ora_cjq0_ENMOEDU
oracle 5661 1 0 04:07 ? 00:00:00 ora_q000_ENMOEDU
oracle 5663 1 0 04:07 ? 00:00:00 ora_q001_ENMOEDU
oracle 5825 1 0 04:13 ? 00:00:00 ora_smco_ENMOEDU
oracle 5832 1 0 04:13 ? 00:00:00 ora_w000_ENMOEDU
oracle 6130 1 0 04:22 ? 00:00:00 ora_w001_ENMOEDU
oracle 6135 1 0 04:22 ? 00:00:00 ora_w002_ENMOEDU
root 6148 6042 0 04:23 pts/2 00:00:00 grep oracle
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