ASMCMD-8102: no connection to Oracle ASM
通过ASMCMD命令连接ASM，Connected to an idle instance
[root@shdb02 ~]# su - oracle
[oracle@shdb02 ~]$ asmcmd
Connected to an idle instance.
ASMCMD> cd +DATA
//输入命令显示没有连接到 oracle asm
ASMCMD-8102: no connection to Oracle ASM; command requires Oracle ASM to run
ASMCMD> pwd
ASMCMD-8102: no connection to Oracle ASM; command requires Oracle ASM to run ASMCMD> help
commands:
-------- md_backup, md_restore lsattr, setattr cd, cp, du, find, help, ls, lsct, lsdg, lsof, mkalias
mkdir, pwd, rm, rmalias chdg, chkdg, dropdg, iostat, lsdsk, lsod, mkdg, mount
offline, online, rebal, remap, umount dsget, dsset, lsop, shutdown, spbackup, spcopy, spget
spmove, spset, startup chtmpl, lstmpl, mktmpl, rmtmpl chgrp, chmod, chown, groups, grpmod, lsgrp, lspwusr, lsusr
mkgrp, mkusr, orapwusr, passwd, rmgrp, rmusr volcreate, voldelete, voldisable, volenable, volinfo
volresize, volset, volstat ASMCMD> exit
[oracle@shfpdb02 dbs]$ exit
logout
//换到grid用户
[root@shdb02 ~]# su - grid
[grid@shdb02 ~]$ asmcmd
ASMCMD> cd /
ASMCMD> ll
commands:
-------- md_backup, md_restore lsattr, setattr cd, cp, du, find, help, ls, lsct, lsdg, lsof, mkalias
mkdir, pwd, rm, rmalias chdg, chkdg, dropdg, iostat, lsdsk, lsod, mkdg, mount
offline, online, rebal, remap, umount dsget, dsset, lsop, shutdown, spbackup, spcopy, spget
spmove, spset, startup chtmpl, lstmpl, mktmpl, rmtmpl chgrp, chmod, chown, groups, grpmod, lsgrp, lspwusr, lsusr
mkgrp, mkusr, orapwusr, passwd, rmgrp, rmusr volcreate, voldelete, voldisable, volenable, volinfo
volresize, volset, volstat ASMCMD> ls
ARCH/
DATA/
FRA/
OCR/
查看系统一些环境信息
[oracle@shdb02 ~]$ echo $ORACLE_HOME
/u01/app/oracle/product/11.2.0/db_1
[oracle@shfpdb02 ~]$ env | grep ORA
ORACLE_PATH=.:/usr/lib64/qt-3.3/bin:/usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin:/home/oracle/bin:/home/oracle/bin:/u01/app/oracle/product/11.2.0/db_1/bin:/u01/app/oracle/product/11.2.0/db_1/OPatch:/usr/bin:/bin:/usr/bin/X11:/usr/local/bin:/u01/app/oracle/common/oracle/bin:/u01/app/oracle/common/oracle/sql:.:/u01/app/oracle/product/11.2.0/db_1/rdbms/admin
ORACLE_SID=ht2
ORACLE_BASE=/u01/app/oracle
ORACLE_TERM=xterm
ORACLE_HOME=/u01/app/oracle/product/11.2.0/db_1
查看asm的相关信息
[root@shdb02 ~]# su - grid
[grid@shdb02 ~]$ export ORACLE_SID=+ASM2
[grid@shdb02 ~]$ sqlplus / as sysdba
SQL> set linesize 200
SQL> col path for a30
SQL> select name,path,state,group_number from v$asm_disk; NAME PATH STATE GROUP_NUMBER
------------------------------ ------------------------------ -------- ------------
/dev/asm-disky NORMAL 0
/dev/asm-diskz NORMAL 0
/dev/asm-diskx NORMAL 0
/dev/asm-diskw NORMAL 0
/dev/asm-diskv NORMAL 0
/dev/asm-disku NORMAL 0
/dev/asm-diskt NORMAL 0
/dev/asm-disks NORMAL 0
DATA_0003 /dev/asm-diskad NORMAL 2
DATA_0002 /dev/asm-diskac NORMAL 2
ARCH_0004 /dev/asm-diski NORMAL 1 NAME PATH STATE GROUP_NUMBER
------------------------------ ------------------------------ -------- ------------
ARCH_0003 /dev/asm-diskh NORMAL 1
DATA_0001 /dev/asm-diskab NORMAL 2
DATA_0000 /dev/asm-diskaa NORMAL 2
ARCH_0001 /dev/asm-diskf NORMAL 1
ARCH_0002 /dev/asm-diskg NORMAL 1
ARCH_0000 /dev/asm-diske NORMAL 1
OCR_0002 /dev/asm-diskd NORMAL 4
DATA_0006 /dev/asm-diskq NORMAL 2
DATA_0007 /dev/asm-diskr NORMAL 2
OCR_0001 /dev/asm-diskc NORMAL 4
DATA_0005 /dev/asm-diskp NORMAL 2 NAME PATH STATE GROUP_NUMBER
------------------------------ ------------------------------ -------- ------------
DATA_0004 /dev/asm-disko NORMAL 2
FRA_0003 /dev/asm-diskn NORMAL 3
FRA_0001 /dev/asm-diskl NORMAL 3
FRA_0002 /dev/asm-diskm NORMAL 3
FRA_0000 /dev/asm-diskk NORMAL 3
OCR_0000 /dev/asm-diskb NORMAL 4 28 rows selected. 如何知道rac使用的是pfile or spfile
SQL> show parameter pfile NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
spfile string +OCR/shdb-cluster/asmparamet
erfile/registry.253.975783623 SQL> show parameter spfile NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
spfile string +OCR/shdb-cluster/asmparamet
erfile/registry.253.975783623 asm日志
[grid@shdb02 ~]$ cat /u01/app/oracle/product/11.2.0/db_1/log/diag/asmcmd/user_oracle/shdb02/alert/alert.log
29-Oct-20 18:03 Connected to an idle instance.
29-Oct-20 18:03 ASMCMD-8102: no connection to Oracle ASM; command requires Oracle ASM to run
29-Oct-20 18:04 Connected to an idle instance.
29-Oct-20 18:04 ASMCMD-8102: no connection to Oracle ASM; command requires Oracle ASM to run
29-Oct-20 18:09 Connected to an idle instance.
29-Oct-20 18:09 ASMCMD-8102: no connection to Oracle ASM; command requires Oracle ASM to run
29-Oct-20 18:10 Connected to an idle instance.
29-Oct-20 18:10 ASMCMD-8102: no connection to Oracle ASM; command requires Oracle ASM to run
08-Dec-21 11:36 Connected to an idle instance.
08-Dec-21 11:36 ASMCMD-8102: no connection to Oracle ASM; command requires Oracle ASM to run
10-Dec-21 13:45 Connected to an idle instance.
10-Dec-21 13:45 ASMCMD-8102: no connection to Oracle ASM; command requires Oracle ASM to run
14-Mar-22 12:04 Connected to an idle instance.
14-Mar-22 12:04 ASMCMD-8102: no connection to Oracle ASM; command requires Oracle ASM to run
14-Mar-22 12:04 ASMCMD-8102: no connection to Oracle ASM; command requires Oracle ASM to run
14-Mar-22 12:04 ASMCMD-8102: no connection to Oracle ASM; command requires Oracle ASM to run
14-Mar-22 12:08 Connected to an idle instance.
14-Mar-22 12:08 ASMCMD-8102: no connection to Oracle ASM; command requires Oracle ASM to run
14-Mar-22 13:40 Connected to an idle instance.
14-Mar-22 13:40 ASMCMD-8102: no connection to Oracle ASM; command requires Oracle ASM to run
14-Mar-22 13:41 Connected to an idle instance.
14-Mar-22 13:41 ASMCMD-8102: no connection to Oracle ASM; command requires Oracle ASM to run
[grid@shdb02 ~]$ echo $ORACLE_BASE
/u01/app/grid
[grid@shdb02 ~]$ echo $ORACLE_HOME
/u01/app/11.2.0/grid
查看asmcmd有三种方式
1、asmcmd命令行模式
ASMCMD>cd + //切换到ASM磁盘根路径
ASMCMD> pwd
+ //当前路径为根路径 +
//列出当前ASM客户端的信息
ASMCMD> lsct
DB_Name Status Software_Version Compatible_version Instance_Name Disk_Group
+ASM CONNECTED 11.2.0.4.0 11.2.0.4.0 +ASM2 OCR
+ASM CONNECTED 11.2.0.4.0 11.2.0.4.0 +ASM2 DATA
fp CONNECTED 11.2.0.4.0 11.2.0.4.0 fp2 DATA
ht CONNECTED 11.2.0.4.0 11.2.0.4.0 ht2 DATA
ht CONNECTED 11.2.0.4.0 11.2.0.4.0 ht2 FRA
//列出所有磁盘组及其属性
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 EXTERN N 512 4096 1048576 5242880 4969060 0 4969060 0 N ARCH/
MOUNTED EXTERN N 512 4096 1048576 8388608 4291161 0 4291161 0 N DATA/
MOUNTED EXTERN N 512 4096 1048576 4194304 4148235 0 4148235 0 N FRA/
MOUNTED NORMAL N 512 4096 1048576 30720 29794 10240 9777 0 Y OCR/
////列出数据文件信息
ASMCMD> lsof
DB_Name Instance_Name Path
+ASM +ASM2 +ocr.255.4294967295
fp fp2 +data/fp/controlfile/current.267.1006784839
fp fp2 +data/fp/datafile/epssite.dbf
fp fp2 +data/fp/datafile/example.14574.1006784845
fp fp2 +data/fp/datafile/mall.14576.1007732257
fp fp2 +data/fp/datafile/shfp.14578.1007732255
fp fp2 +data/fp/datafile/shfppj.14579.1007731213
fp fp2 +data/fp/datafile/sysaux.264.1006784737
fp fp2 +data/fp/datafile/system.14577.1006784737
fp fp2 +data/fp/datafile/undotbs1.265.1006784737
fp fp2 +data/fp/datafile/undotbs2.14573.1006785011
fp fp2 +data/fp/datafile/users.266.1006784737
fp fp2 +data/fp/onlinelog/group_1.263.1006784841
fp fp2 +data/fp/onlinelog/group_2.262.1006784841
fp fp2 +data/fp/onlinelog/group_3.14572.1006785065
fp fp2 +data/fp/onlinelog/group_4.261.1006785065
fp fp2 +data/fp/tempfile/temp.14575.1006784845
ht ht2 +data/htstandby/controlfile/current.256.975847439
ht ht2 +data/htstandby/datafile/epssite.271.975888699 //列出盘的信息
ASMCMD> lsdsk
Path
/dev/asm-diskaa
/dev/asm-diskab
/dev/asm-diskac
/dev/asm-diskad
/dev/asm-diskb
/dev/asm-diskc
/dev/asm-diskd
/dev/asm-diske
/dev/asm-diskf
/dev/asm-diskg
/dev/asm-diskh
/dev/asm-diski
/dev/asm-diskk
/dev/asm-diskl
/dev/asm-diskm
/dev/asm-diskn
/dev/asm-disko
/dev/asm-diskp
/dev/asm-diskq
/dev/asm-diskr
2、不进入asmcmd下，直接执行asmcmd命令方式
不进入ASM命令模式下操作，如：
//查看ASM磁盘占用情况
[grid@shdb02 ~]$ asmcmd ls -ls
State Type Rebal Sector Block AU Total_MB Free_MB Req_mir_free_MB Usable_file_MB Offline_disks Voting_files Name
MOUNTED EXTERN N 512 4096 1048576 5242880 4969060 0 4969060 0 N ARCH/
MOUNTED EXTERN N 512 4096 1048576 8388608 4291161 0 4291161 0 N DATA/
MOUNTED EXTERN N 512 4096 1048576 4194304 4148235 0 4148235 0 N FRA/
MOUNTED NORMAL N 512 4096 1048576 30720 29794 10240 9777 0 Y OCR/
3、在ASM 实例模式下
//在命令提示符中，设置oracle_sid环境变量为+ASM实例
[grid@shdb02 ~]$ export ORACLE_SID=+ASM2
//在Oracle11g RAC 中以grid用户登入后 , 以sysdba登入也是可以查看asm实例相关的状态， 但是不能做变更， sysasm 角色连接后才可以。
[grid@shdb02 ~]$ sqlplus / as sysasm ##或 sqlplus / as sysdba
SQL*Plus: Release 11.2.0.4.0 Production on Mon Mar 14 14:13:52 2022
Copyright (c) 1982, 2013, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Real Application Clusters and Automatic Storage Management options
SQL> set linesize 200
SQL> col path for a30
SQL> select name,path,state from v$asm_disk;
NAME PATH STATE
------------------------------ ------------------------------ --------
/dev/asm-disky NORMAL
/dev/asm-diskz NORMAL
/dev/asm-diskx NORMAL
/dev/asm-diskw NORMAL
/dev/asm-diskv NORMAL
/dev/asm-disku NORMAL
/dev/asm-diskt NORMAL
/dev/asm-disks NORMAL
DATA_0003 /dev/asm-diskad NORMAL
DATA_0002 /dev/asm-diskac NORMAL
ARCH_0004 /dev/asm-diski NORMAL NAME PATH STATE
------------------------------ ------------------------------ --------
ARCH_0003 /dev/asm-diskh NORMAL
DATA_0001 /dev/asm-diskab NORMAL
DATA_0000 /dev/asm-diskaa NORMAL
ARCH_0001 /dev/asm-diskf NORMAL
ARCH_0002 /dev/asm-diskg NORMAL
ARCH_0000 /dev/asm-diske NORMAL
OCR_0002 /dev/asm-diskd NORMAL
DATA_0006 /dev/asm-diskq NORMAL
DATA_0007 /dev/asm-diskr NORMAL
OCR_0001 /dev/asm-diskc NORMAL
DATA_0005 /dev/asm-diskp NORMAL
NAME PATH STATE
------------------------------ ------------------------------ --------
DATA_0004 /dev/asm-disko NORMAL
FRA_0003 /dev/asm-diskn NORMAL
FRA_0001 /dev/asm-diskl NORMAL
FRA_0002 /dev/asm-diskm NORMAL
FRA_0000 /dev/asm-diskk NORMAL
OCR_0000 /dev/asm-diskb NORMAL
28 rows selected.
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