标签归档：ocr异常恢复

oracle 12.1 RAC的ocr磁盘组异常恢复

发表于 2013 年 11 月 13 日由惜分飞

在11.2或者12.1的RAC中,ocr和votedisk可以放到asm中,而很多人安装系统把ocr和votedisk放到一个单独的asm 磁盘组里面,但是如果这个磁盘组坏了,而数据所在的磁盘组是好的,这个时候该怎么恢复呢？这里的恢复分两种情况，一种是有ocr备份的恢复,另外一种是无ocr备份的恢复。但是在一般情况下ocr是每4个小时自动备份一份，因此大部分的系统中都会有ocr的备份。本blog主要对于oracle 12c rac在有ocr备份，存储ocr,votedisk的asm磁盘组异常恢复
确定ocr,votedisk,asm spfile存在一个独立asm diskgroup中

[grid@xifenfei ~]$ ocrcheck
Status of Oracle Cluster Registry is as follows :
         Version                  :          4
         Total space (kbytes)     :     409568
         Used space (kbytes)      :       1360
         Available space (kbytes) :     408208
         ID                       : 2132096904
         Device/File Name         :    +DG_SYS
                                    Device/File integrity check succeeded

                                    Device/File not configured

                                    Device/File not configured

                                    Device/File not configured

                                    Device/File not configured

         Cluster registry integrity check succeeded

         Logical corruption check bypassed due to non-privileged user


SQL> show parameter spfile;

NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
spfile                               string      +DG_SYS/xff-cluster/ASMPARAMET
                                                 ERFILE/registry.253.825628977

[grid@xifenfei ~]$ crsctl query css votedisk
##  STATE    File Universal Id                File Name Disk group
--  -----    -----------------                --------- ---------
1. ONLINE   3e20d13ae98a4fcfbffa489ab4df68a3 (/dev/sdc2) [DG_SYS]
Located 1 voting disk(s).

ASMCMD>  lsdsk -t -G dg_sys
Create_Date  Mount_Date  Repair_Timer  Path
08-SEP-13    08-SEP-13   0             /dev/sdc2

查看当前rac状态

[grid@xifenfei ~]$ crsctl status res -t
--------------------------------------------------------------------------------
Name           Target  State        Server                   State details      
--------------------------------------------------------------------------------
Local Resources
--------------------------------------------------------------------------------
ora.ASMNET1LSNR_ASM.lsnr
               ONLINE  ONLINE       xifenfei                 STABLE
ora.DATA.dg
               ONLINE  ONLINE       xifenfei                 STABLE
ora.LISTENER.lsnr
               ONLINE  ONLINE       xifenfei                 STABLE
ora.net1.network
               ONLINE  ONLINE       xifenfei                 STABLE
ora.ons
               ONLINE  ONLINE       xifenfei                 STABLE
ora.proxy_advm
               ONLINE  OFFLINE      xifenfei                 STABLE
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.LISTENER_SCAN1.lsnr
      1        ONLINE  ONLINE       xifenfei                 STABLE
ora.MGMTLSNR
      1        ONLINE  ONLINE       xifenfei                 169.254.196.108 10.1
                                                             0.30.22,STABLE
ora.asm
      1        ONLINE  ONLINE       xifenfei                 Started,STABLE
      2        OFFLINE OFFLINE                               STABLE
      3        OFFLINE OFFLINE                               STABLE
ora.cdb.db
      1        ONLINE  ONLINE       xifenfei                 Open,STABLE
ora.cvu
      1        ONLINE  ONLINE       xifenfei                 STABLE
ora.oc4j
      1        ONLINE  ONLINE       xifenfei                 STABLE
ora.scan1.vip
      1        ONLINE  ONLINE       xifenfei                 STABLE
ora.xifenfei.vip
      1        ONLINE  ONLINE       xifenfei                 STABLE
--------------------------------------------------------------------------------

kfed查看磁盘头

[grid@xifenfei ~]$ kfed read /dev/sdc2
kfbh.endian:                          1 ; 0x000: 0x01
kfbh.hard:                          130 ; 0x001: 0x82
kfbh.type:                            1 ; 0x002: KFBTYP_DISKHEAD
kfbh.datfmt:                          1 ; 0x003: 0x01
kfbh.block.blk:                       0 ; 0x004: blk=0
kfbh.block.obj:              2147483648 ; 0x008: disk=0
kfbh.check:                  2879801080 ; 0x00c: 0xaba646f8
kfbh.fcn.base:                        0 ; 0x010: 0x00000000
kfbh.fcn.wrap:                        0 ; 0x014: 0x00000000
kfbh.spare1:                          0 ; 0x018: 0x00000000
kfbh.spare2:                          0 ; 0x01c: 0x00000000
kfdhdb.driver.provstr:         ORCLDISK ; 0x000: length=8
kfdhdb.driver.reserved[0]:            0 ; 0x008: 0x00000000
kfdhdb.driver.reserved[1]:            0 ; 0x00c: 0x00000000
kfdhdb.driver.reserved[2]:            0 ; 0x010: 0x00000000
kfdhdb.driver.reserved[3]:            0 ; 0x014: 0x00000000
kfdhdb.driver.reserved[4]:            0 ; 0x018: 0x00000000
kfdhdb.driver.reserved[5]:            0 ; 0x01c: 0x00000000
kfdhdb.compat:                202375168 ; 0x020: 0x0c100000
kfdhdb.dsknum:                        0 ; 0x024: 0x0000
kfdhdb.grptyp:                        1 ; 0x026: KFDGTP_EXTERNAL
kfdhdb.hdrsts:                        3 ; 0x027: KFDHDR_MEMBER
kfdhdb.dskname:             DG_SYS_0000 ; 0x028: length=11
kfdhdb.grpname:                  DG_SYS ; 0x048: length=6
kfdhdb.fgname:              DG_SYS_0000 ; 0x068: length=11
kfdhdb.capname:                         ; 0x088: length=0
kfdhdb.crestmp.hi:             32990483 ; 0x0a8: HOUR=0x13 DAYS=0x8 MNTH=0x9 YEAR=0x7dd
kfdhdb.crestmp.lo:            303455232 ; 0x0ac: USEC=0x0 MSEC=0x197 SECS=0x21 MINS=0x4
kfdhdb.mntstmp.hi:             32990485 ; 0x0b0: HOUR=0x15 DAYS=0x8 MNTH=0x9 YEAR=0x7dd
kfdhdb.mntstmp.lo:           1776845824 ; 0x0b4: USEC=0x0 MSEC=0x221 SECS=0x1e MINS=0x1a
kfdhdb.secsize:                     512 ; 0x0b8: 0x0200
kfdhdb.blksize:                    4096 ; 0x0ba: 0x1000
kfdhdb.ausize:                  1048576 ; 0x0bc: 0x00100000
kfdhdb.mfact:                    113792 ; 0x0c0: 0x0001bc80
kfdhdb.dsksize:                    5451 ; 0x0c4: 0x0000154b
kfdhdb.pmcnt:                         3 ; 0x0c8: 0x00000003
kfdhdb.fstlocn:                       1 ; 0x0cc: 0x00000001
kfdhdb.altlocn:                       2 ; 0x0d0: 0x00000002
kfdhdb.f1b1locn:                     10 ; 0x0d4: 0x0000000a
kfdhdb.redomirrors[0]:                0 ; 0x0d8: 0x0000
kfdhdb.redomirrors[1]:                0 ; 0x0da: 0x0000
kfdhdb.redomirrors[2]:                0 ; 0x0dc: 0x0000
kfdhdb.redomirrors[3]:                0 ; 0x0de: 0x0000
kfdhdb.dbcompat:              168820736 ; 0x0e0: 0x0a100000
kfdhdb.grpstmp.hi:             32990483 ; 0x0e4: HOUR=0x13 DAYS=0x8 MNTH=0x9 YEAR=0x7dd
kfdhdb.grpstmp.lo:            301063168 ; 0x0e8: USEC=0x0 MSEC=0x77 SECS=0x1f MINS=0x4
kfdhdb.vfstart:                     224 ; 0x0ec: 0x000000e0
kfdhdb.vfend:                       256 ; 0x0f0: 0x00000100
kfdhdb.spfile:                      219 ; 0x0f4: 0x000000db   ----asm spfile的起点
kfdhdb.spfflg:                        1 ; 0x0f8: 0x00000001
kfdhdb.flags:                         1 ; 0x0fc: 0x00000001

备份ocr

[root@xifenfei xff-cluster]# ocrconfig  -manualbackup

xifenfei     2013/09/08 23:48:57     /u01/app/12.1/grid/product/cdata/xff-cluster/backup_20130908_234857.ocr

[root@xifenfei xff-cluster]# ocrconfig -showbackup

xifenfei     2013/08/08 21:11:00     /u01/app/12.1/grid/product/cdata/xifenfe-cluster/backup00.ocr

xifenfei     2013/08/08 17:10:56     /u01/app/12.1/grid/product/cdata/xifenfe-cluster/backup01.ocr

xifenfei     2013/07/08 20:23:18     /u01/app/12.1/grid/product/cdata/xifenfe-cluster/backup02.ocr

xifenfei     2013/08/08 17:10:56     /u01/app/12.1/grid/product/cdata/xifenfe-cluster/day.ocr

xifenfei     2013/08/08 17:10:56     /u01/app/12.1/grid/product/cdata/xifenfe-cluster/week.ocr

xifenfei     2013/09/08 23:48:57     /u01/app/12.1/grid/product/cdata/xff-cluster/backup_20130908_234857.ocr

xifenfei     2013/06/28 22:55:02     /u01/app/12.1/grid/product/cdata/xifenfe-cluster/backup_20130628_225502.ocr

破坏asm disk

[grid@xifenfei ~]$ dd if=/dev/zero of=/dev/sdc2 bs=4096 count=1
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 6.6061e-05 seconds, 62.0 MB/s

关闭crs

[root@xifenfei xff-cluster]# crsctl stop crs

启动crs

[root@xifenfei xff-cluster]# crsctl start crs
CRS-4123: Oracle High Availability Services has been started.

[grid@xifenfei admin]$ crsctl status res -t -init
--------------------------------------------------------------------------------
Name           Target  State        Server                   State details      
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.asm
      1        ONLINE  OFFLINE                               Instance Shutdown,ST
                                                             ABLE
ora.cluster_interconnect.haip
      1        ONLINE  OFFLINE                               STABLE
ora.crf
      1        ONLINE  OFFLINE                               STABLE
ora.crsd
      1        ONLINE  OFFLINE                               STABLE
ora.cssd
      1        ONLINE  OFFLINE      xifenfei                 STARTING
ora.cssdmonitor
      1        ONLINE  ONLINE       xifenfei                 STABLE
ora.ctssd
      1        ONLINE  OFFLINE                               STABLE
ora.diskmon
      1        OFFLINE OFFLINE                               STABLE
ora.drivers.acfs
      1        ONLINE  ONLINE       xifenfei                 STABLE
ora.evmd
      1        ONLINE  INTERMEDIATE xifenfei                 STABLE
ora.gipcd
      1        ONLINE  ONLINE       xifenfei                 STABLE
ora.gpnpd
      1        ONLINE  ONLINE       xifenfei                 STABLE
ora.mdnsd
      1        ONLINE  ONLINE       xifenfei                 STABLE
ora.storage
      1        ONLINE  OFFLINE                               STABLE
--------------------------------------------------------------------------------

GI相关日志

--alert日志
2013-09-08 23:53:37.662:
[gpnpd(1507)]CRS-2328:GPNPD started on node xifenfei.
2013-09-08 23:54:10.244:
[cssd(1584)]CRS-1713:CSSD daemon is started in hub mode
2013-09-08 23:54:10.915:
[cssd(1584)]CRS-1714:Unable to discover any voting files, retrying discovery in 15 seconds; Details at (:CSSNM00070:) in /u01/app/12.1/grid/product/log/xifenfei/cssd/ocssd.log
2013-09-08 23:54:11.183:
[ohasd(1367)]CRS-2767:Resource state recovery not attempted for 'ora.diskmon' as its target state is OFFLINE
2013-09-08 23:54:11.183:
[ohasd(1367)]CRS-2769:Unable to failover resource 'ora.diskmon'.
2013-09-08 23:54:26.044:
[cssd(1584)]CRS-1714:Unable to discover any voting files, retrying discovery in 15 seconds; Details at (:CSSNM00070:) in /u01/app/12.1/grid/product/log/xifenfei/cssd/ocssd.log
2013-09-08 23:54:41.146:
[cssd(1584)]CRS-1714:Unable to discover any voting files, retrying discovery in 15 seconds; Details at (:CSSNM00070:) in /u01/app/12.1/grid/product/log/xifenfei/cssd/ocssd.log
2013-09-08 23:54:56.195:
[cssd(1584)]CRS-1714:Unable to discover any voting files, retrying discovery in 15 seconds; Details at (:CSSNM00070:) in /u01/app/12.1/grid/product/log/xifenfei/cssd/ocssd.log

--ocssd日志
2013-09-08 23:54:25.976: [    GPNP][1090226496]clsgpnp_profileCallUrlInt: [at clsgpnp.c:2360] Result: (0) CLSGPNP_OK. Successful get-profile CALL to remote "ipc://GPNPD_xifenfei" disco ""
2013-09-08 23:54:25.976: [    CSSD][1090226496]clssnmReadDiscoveryProfile: voting file discovery string(/dev/sd*)
2013-09-08 23:54:25.976: [    CSSD][1090226496]clssnmvDDiscThread: using discovery string /dev/sd* for initial discovery
2013-09-08 23:54:25.976: [   SKGFD][1090226496]Discovery with str:/dev/sd*:

2013-09-08 23:54:25.976: [   SKGFD][1090226496]UFS discovery with :/dev/sd*:

2013-09-08 23:54:26.032: [   SKGFD][1090226496]Fetching UFS disk :/dev/sdc:

2013-09-08 23:54:26.037: [   SKGFD][1090226496]Fetching UFS disk :/dev/sdc1:

2013-09-08 23:54:26.037: [   SKGFD][1090226496]Fetching UFS disk :/dev/sdb:

2013-09-08 23:54:26.037: [   SKGFD][1090226496]Fetching UFS disk :/dev/sdc2:

2013-09-08 23:54:26.037: [   SKGFD][1090226496]Fetching UFS disk :/dev/sdd:

2013-09-08 23:54:26.037: [   SKGFD][1090226496]Fetching UFS disk :/dev/sdd1:

2013-09-08 23:54:26.037: [   SKGFD][1090226496]Fetching UFS disk :/dev/sda:

2013-09-08 23:54:26.037: [   SKGFD][1090226496]Fetching UFS disk :/dev/sda1:

2013-09-08 23:54:26.037: [   SKGFD][1090226496]Fetching UFS disk :/dev/sda2:

2013-09-08 23:54:26.037: [   SKGFD][1090226496]OSS discovery with :/dev/sd*:

2013-09-08 23:54:26.042: [   SKGFD][1090226496]Handle 0x1d65c10 from lib :UFS:: for disk :/dev/sdb:

2013-09-08 23:54:26.043: [   SKGFD][1090226496]Handle 0x20c95a0 from lib :UFS:: for disk :/dev/sdc2:

2013-09-08 23:54:26.043: [   SKGFD][1090226496]Handle 0x20c9dd0 from lib :UFS:: for disk :/dev/sdd:

2013-09-08 23:54:26.044: [   SKGFD][1090226496]Lib :UFS:: closing handle 0x1d65c10 for disk :/dev/sdb:

2013-09-08 23:54:26.044: [   SKGFD][1090226496]Lib :UFS:: closing handle 0x20c95a0 for disk :/dev/sdc2:

2013-09-08 23:54:26.044: [   SKGFD][1090226496]Lib :UFS:: closing handle 0x20c9dd0 for disk :/dev/sdd:

2013-09-08 23:54:26.044: [    CSSD][1090226496]clssnmvDiskVerify: Successful discovery of 0 disks
2013-09-08 23:54:26.044: [    CSSD][1090226496]clssnmCompleteInitVFDiscovery: Completing initial voting file discovery
2013-09-08 23:54:26.044: [    CSSD][1090226496]clssnmvFindInitialConfigs: No voting files found
2013-09-08 23:54:26.044: [    CSSD][1090226496](:CSSNM00070:)clssnmCompleteInitVFDiscovery: Voting file not found. Retrying discovery in 15 seconds

在我们破坏了ocr所在的asm disk的磁盘后,启动crs明显提示无法找到votedisk信息

强制关闭crs

[root@xifenfei xff-cluster]# crsctl stop crs -f
CRS-2791: Starting shutdown of Oracle High Availability Services-managed resources on 'xifenfei'
CRS-2673: Attempting to stop 'ora.mdnsd' on 'xifenfei'
CRS-2673: Attempting to stop 'ora.drivers.acfs' on 'xifenfei'
CRS-2677: Stop of 'ora.drivers.acfs' on 'xifenfei' succeeded
CRS-2677: Stop of 'ora.mdnsd' on 'xifenfei' succeeded
CRS-2673: Attempting to stop 'ora.gpnpd' on 'xifenfei'
CRS-2673: Attempting to stop 'ora.gipcd' on 'xifenfei'
CRS-2673: Attempting to stop 'ora.evmd' on 'xifenfei'
CRS-2677: Stop of 'ora.gpnpd' on 'xifenfei' succeeded
CRS-2677: Stop of 'ora.gipcd' on 'xifenfei' succeeded
CRS-2677: Stop of 'ora.evmd' on 'xifenfei' succeeded
CRS-2793: Shutdown of Oracle High Availability Services-managed resources on 'xifenfei' has completed
CRS-4133: Oracle High Availability Services has been stopped.

exclusive模式启动crs

[root@xifenfei xff-cluster]# crsctl start crs -excl -nocrs
CRS-4123: Oracle High Availability Services has been started.
CRS-2673: Attempting to stop 'ora.drivers.acfs' on 'xifenfei'
CRS-2677: Stop of 'ora.drivers.acfs' on 'xifenfei' succeeded
CRS-2672: Attempting to start 'ora.evmd' on 'xifenfei'
CRS-2672: Attempting to start 'ora.mdnsd' on 'xifenfei'
CRS-2676: Start of 'ora.evmd' on 'xifenfei' succeeded
CRS-2676: Start of 'ora.mdnsd' on 'xifenfei' succeeded
CRS-2672: Attempting to start 'ora.gpnpd' on 'xifenfei'
CRS-2676: Start of 'ora.gpnpd' on 'xifenfei' succeeded
CRS-2672: Attempting to start 'ora.cssdmonitor' on 'xifenfei'
CRS-2672: Attempting to start 'ora.gipcd' on 'xifenfei'
CRS-2676: Start of 'ora.cssdmonitor' on 'xifenfei' succeeded
CRS-2676: Start of 'ora.gipcd' on 'xifenfei' succeeded
CRS-2672: Attempting to start 'ora.cssd' on 'xifenfei'
CRS-2672: Attempting to start 'ora.diskmon' on 'xifenfei'
CRS-2676: Start of 'ora.diskmon' on 'xifenfei' succeeded
CRS-2676: Start of 'ora.cssd' on 'xifenfei' succeeded
CRS-2672: Attempting to start 'ora.drivers.acfs' on 'xifenfei'
CRS-2672: Attempting to start 'ora.cluster_interconnect.haip' on 'xifenfei'
CRS-2672: Attempting to start 'ora.ctssd' on 'xifenfei'
CRS-2676: Start of 'ora.ctssd' on 'xifenfei' succeeded
CRS-2676: Start of 'ora.cluster_interconnect.haip' on 'xifenfei' succeeded
CRS-2676: Start of 'ora.drivers.acfs' on 'xifenfei' succeeded
CRS-2672: Attempting to start 'ora.asm' on 'xifenfei'
CRS-2676: Start of 'ora.asm' on 'xifenfei' succeeded


[grid@xifenfei xifenfei]$ crsctl stat res -t -init
--------------------------------------------------------------------------------
Name           Target  State        Server                   State details      
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.asm
      1        ONLINE  INTERMEDIATE xifenfei                 OCR not started,STAB
                                                             LE
ora.cluster_interconnect.haip
      1        ONLINE  ONLINE       xifenfei                 STABLE
ora.crf
      1        OFFLINE OFFLINE                               STABLE
ora.crsd
      1        OFFLINE OFFLINE                               STABLE
ora.cssd
      1        ONLINE  ONLINE       xifenfei                 STABLE
ora.cssdmonitor
      1        ONLINE  ONLINE       xifenfei                 STABLE
ora.ctssd
      1        ONLINE  ONLINE       xifenfei                 ACTIVE:0,STABLE
ora.diskmon
      1        OFFLINE OFFLINE                               STABLE
ora.drivers.acfs
      1        ONLINE  ONLINE       xifenfei                 STABLE
ora.evmd
      1        ONLINE  INTERMEDIATE xifenfei                 STABLE
ora.gipcd
      1        ONLINE  ONLINE       xifenfei                 STABLE
ora.gpnpd
      1        ONLINE  ONLINE       xifenfei                 STABLE
ora.mdnsd
      1        ONLINE  ONLINE       xifenfei                 STABLE
ora.storage
      1        OFFLINE OFFLINE                               STABLE

创建磁盘组

[grid@xifenfei xifenfei]$ sqlplus / as sysasm

SQL*Plus: Release 12.1.0.1.0 Production on Mon Sep 9 00:23:40 2013

Copyright (c) 1982, 2013, Oracle.  All rights reserved.


Connected to:
Oracle Database 12c Enterprise Edition Release 12.1.0.1.0 - 64bit Production
With the Real Application Clusters and Automatic Storage Management options

SQL> create diskgroup DG_OCR external redundancy disk '/dev/sdc2' attribute 'COMPATIBLE.ASM' = '12.1.0';

Diskgroup created.

[root@xifenfei xff-cluster]# ls -l
total 1472
-rw-r--r-- 1 root root 1503232 Sep  8 23:48 backup_20130908_234857.ocr
[root@xifenfei xff-cluster]# ocrconfig -restore backup_20130908_234857.ocr
PROT-35: The configured OCR locations are not accessible

SQL> conn / as sysasm
Connected.
SQL> drop diskgroup DG_OCR force including contents;

Diskgroup dropped.

SQL>  create diskgroup DG_SYS  external redundancy disk '/dev/sdc2' attribute 'COMPATIBLE.ASM' = '12.1.0';

Diskgroup created.

为了操作方便,建议创建磁盘组和以前ocr所在异常的磁盘组一致

还原ocr

[root@xifenfei xff-cluster]# ocrconfig -restore backup_20130908_234857.ocr

--ALERT 日志
2013-09-09 00:26:50.584:
[client(3015)]CRS-1002:The OCR was restored from file backup_20130908_234857.ocr.

处理votedisk

[root@xifenfei xff-cluster]# crsctl replace votedisk +DG_SYS
Successful addition of voting disk 60a037da30714f6bbfe5d90206ff27a7.
Successfully replaced voting disk group with +DG_SYS.
CRS-4266: Voting file(s) successfully replaced

创建asm spfile

[grid@xifenfei dbs]$ vi /tmp/asm.txt 
instance_type='asm'
large_pool_size=12M
remote_login_passwordfile= "EXCLUSIVE"
asm_diskstring           = "/dev/sd*"
asm_power_limit          = 1

[grid@xifenfei dbs]$ sqlplus '/ as sysasm'

SQL*Plus: Release 12.1.0.1.0 Production on Mon Sep 9 00:34:18 2013

Copyright (c) 1982, 2013, Oracle.  All rights reserved.


Connected to:
Oracle Database 12c Enterprise Edition Release 12.1.0.1.0 - 64bit Production
With the Real Application Clusters and Automatic Storage Management options

SQL>  create spfile='+DG_SYS' FROM pfile='/tmp/asm.txt';

File created.

重启crs

[root@xifenfei xff-cluster]# crsctl stop crs -f

[root@xifenfei xff-cluster]# crsctl start crs
CRS-4123: Oracle High Availability Services has been started.

[grid@xifenfei dbs]$ crsctl status res -t
--------------------------------------------------------------------------------
Name           Target  State        Server                   State details      
--------------------------------------------------------------------------------
Local Resources
--------------------------------------------------------------------------------
ora.ASMNET1LSNR_ASM.lsnr
               ONLINE  ONLINE       xifenfei                 STABLE
ora.DATA.dg
               ONLINE  ONLINE       xifenfei                 STABLE
ora.LISTENER.lsnr
               ONLINE  ONLINE       xifenfei                 STABLE
ora.net1.network
               ONLINE  ONLINE       xifenfei                 STABLE
ora.ons
               ONLINE  ONLINE       xifenfei                 STABLE
ora.proxy_advm
               ONLINE  OFFLINE      xifenfei                 STABLE
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.LISTENER_SCAN1.lsnr
      1        ONLINE  ONLINE       xifenfei                 STABLE
ora.MGMTLSNR
      1        ONLINE  ONLINE       xifenfei                 169.254.196.108 10.1
                                                             0.30.22,STABLE
ora.asm
      1        ONLINE  ONLINE       xifenfei                 Started,STABLE
      2        OFFLINE OFFLINE                               STABLE
      3        OFFLINE OFFLINE                               STABLE
ora.cdb.db
      1        ONLINE  ONLINE       xifenfei                 Open,STABLE
ora.cvu
      1        ONLINE  ONLINE       xifenfei                 STABLE
ora.oc4j
      1        ONLINE  ONLINE       xifenfei                 STABLE
ora.scan1.vip
      1        ONLINE  ONLINE       xifenfei                 STABLE
ora.xifenfei.vip
      1        ONLINE  ONLINE       xifenfei                 STABLE
--------------------------------------------------------------------------------

这里crs已经恢复正常，进一步检查ocr,votedisk,asm spfile情况

[grid@xifenfei ~]$ ocrcheck
Status of Oracle Cluster Registry is as follows :
         Version                  :          4
         Total space (kbytes)     :     409568
         Used space (kbytes)      :       1380
         Available space (kbytes) :     408188
         ID                       : 2132096904
         Device/File Name         :    +DG_SYS
                                    Device/File integrity check succeeded

                                    Device/File not configured

                                    Device/File not configured

                                    Device/File not configured

                                    Device/File not configured

         Cluster registry integrity check succeeded

         Logical corruption check bypassed due to non-privileged user

[grid@xifenfei ~]$ sqlplus / as sysasm

SQL*Plus: Release 12.1.0.1.0 Production on Mon Sep 9 16:12:21 2013

Copyright (c) 1982, 2013, Oracle.  All rights reserved.


Connected to:
Oracle Database 12c Enterprise Edition Release 12.1.0.1.0 - 64bit Production
With the Real Application Clusters and Automatic Storage Management options

SQL> show parameter spfile; 

NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
spfile                               string      +DG_SYS/xff-cluster/ASMPARAMET
                                                 ERFILE/registry.253.825640465
SQL> exit
Disconnected from Oracle Database 12c Enterprise Edition Release 12.1.0.1.0 - 64bit Production
With the Real Application Clusters and Automatic Storage Management options
[grid@xifenfei ~]$ crsctl query css votedisk
##  STATE    File Universal Id                File Name Disk group
--  -----    -----------------                --------- ---------
1. ONLINE   60a037da30714f6bbfe5d90206ff27a7 (/dev/sdc2) [DG_SYS]
Located 1 voting disk(s).

至此在ocr 磁盘组异常,而有ocr备份的情况下故障恢复完毕，对于没有ocr备份的故障，只能通过重建ocr来完成，大概步骤为

--deconfigure(root)
remote node
# <$GRID_HOME>/crs/install/rootcrs.pl -deconfig -force -verbose

lastnode
# <$GRID_HOME>/crs/install/rootcrs.pl -deconfig -force -verbose -lastnode

--配置信息重建ocr等(grid)
# $GRID_HOME/crs/config/config.sh

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oracle 12.1 RAC的ocr磁盘组异常恢复

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oracle 12.1 RAC的ocr磁盘组异常恢复

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