Database instance positive , Data disk group online,asm Disk group normal access .
Fault phenomenon :
[root@p750db2://]#su - grid $ crsctl stat res -t CRS-4535: Cannot communicate
with Cluster Ready Services CRS-4000: Command Status failed, or completed with
errors. $ ps -ef|grep has root 6029498 1 0 Jan 01 - 1971:22
/oracle/app/11.2.0/grid/bin/ohasd.bin reboot root 6225994 1 0 Jan 01 - 0:00
/bin/sh /etc/init.ohasd run grid 23986302 21364882 0 10:49:58 pts/2 0:00 grep
has $ ps -ef|grep pmon grid 24838256 21364882 0 10:50:07 pts/2 0:00 grep pmon
oracle 14942614 1 0 Aug 31 - 32:24 ora_pmon_db2 grid 21758402 1 0 Aug 31 -
20:40 asm_pmon_+ASM2 $ crsctl stat res -t CRS-4535: Cannot communicate with
Cluster Ready Services CRS-4000: Command Status failed, or completed with
errors. $ which crsctl /oracle/app/11.2.0/grid/bin/crsctl $ exit
[root@p750db2://]#/oracle/app/11.2.0/grid/bin/crsctl start crs CRS-4640: Oracle
High Availability Services is already active CRS-4000: Command Start failed, or
completed with errors. [root@p750db2://]#/oracle/app/11.2.0/grid/bin/crsctl
check has CRS-4638: Oracle High Availability Services is online
[root@p750db2://]#/oracle/app/11.2.0/grid/bin/crsctl check crs CRS-4638: Oracle
High Availability Services is online CRS-4535: Cannot communicate with Cluster
Ready Services CRS-4529: Cluster Synchronization Services is online CRS-4533:
Event Manager is online [root@p750db2://]#/oracle/app/11.2.0/grid/bin/crsctl
stat res -t -init
--------------------------------------------------------------------------------
NAME TARGET STATE SERVER STATE_DETAILS
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.asm 1 ONLINE ONLINE p750db2 Started ora.cluster_interconnect.haip 1 ONLINE
ONLINE p750db2 ora.crf 1 ONLINE ONLINE p750db2 ora.crsd 1 ONLINE OFFLINE
ora.cssd 1 ONLINE ONLINE p750db2 ora.cssdmonitor 1 ONLINE ONLINE p750db2
ora.ctssd 1 ONLINE ONLINE p750db2 OBSERVER ora.diskmon 1 OFFLINE OFFLINE
ora.drivers.acfs 1 ONLINE ONLINE p750db2 ora.evmd 1 ONLINE ONLINE p750db2
ora.gipcd 1 ONLINE ONLINE p750db2 ora.gpnpd 1 ONLINE ONLINE p750db2 ora.mdnsd 1
ONLINE ONLINE p750db2
Troubleshooting

inspect asm disk , Discovery and storage ocr Disk pack offline

Manual mount OCR Disk pack
[root@p750db2://]#su - grid $ asmcmd ASMCMD> ls ARCH/ DATA/ ASMCMD> mount -a
ORA-15032: not all alterations performed ORA-15017: diskgroup "DATA" cannot be
mounted ORA-15013: diskgroup "DATA" is already mounted ORA-15017: diskgroup
"ARCH" cannot be mounted ORA-15013: diskgroup "ARCH" is already mounted (DBD
ERROR: OCIStmtExecute) 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 1024000 377578 0 377578 0 N ARCH/ MOUNTED EXTERN N
512 4096 1048576 1024000 516385 0 516385 0 N DATA/ MOUNTED HIGH N 512 4096
1048576 25600 24092 10240 4617 0 Y GRID/ ASMCMD> exit
start-up crsd process
$ exit [root@p750db2://]#/oracle/app/11.2.0/grid/bin/crsctl start resource
ora.crsd -init CRS-2672: Attempting to start 'ora.crsd' on 'p750db2' CRS-2676:
Start of 'ora.crsd' on 'p750db2' succeeded
Troubleshooting , Check cluster status
[root@p750db2://]# [root@p750db2://]#/oracle/app/11.2.0/grid/bin/crsctl stat
res -t
--------------------------------------------------------------------------------
NAME TARGET STATE SERVER STATE_DETAILS
--------------------------------------------------------------------------------
Local Resources
--------------------------------------------------------------------------------
ora.ARCH.dg ONLINE ONLINE p750db1 ONLINE ONLINE p750db2 ONLINE ONLINE p750db3
ONLINE ONLINE p750db4 ora.DATA.dg ONLINE ONLINE p750db1 ONLINE ONLINE p750db2
ONLINE ONLINE p750db3 ONLINE ONLINE p750db4 ora.GRID.dg ONLINE ONLINE p750db1
ONLINE ONLINE p750db2 ONLINE ONLINE p750db3 ONLINE ONLINE p750db4
ora.LISTENER.lsnr ONLINE ONLINE p750db1 ONLINE ONLINE p750db2 ONLINE ONLINE
p750db3 ONLINE OFFLINE p750db4 ora.asm ONLINE ONLINE p750db1 Started ONLINE
ONLINE p750db2 Started ONLINE ONLINE p750db3 Started ONLINE ONLINE p750db4
Started ora.gsd OFFLINE OFFLINE p750db1 OFFLINE OFFLINE p750db2 OFFLINE OFFLINE
p750db3 OFFLINE OFFLINE p750db4 ora.net1.network ONLINE ONLINE p750db1 ONLINE
ONLINE p750db2 ONLINE ONLINE p750db3 ONLINE ONLINE p750db4 ora.ons ONLINE
ONLINE p750db1 ONLINE ONLINE p750db2 ONLINE ONLINE p750db3 ONLINE ONLINE
p750db4 ora.registry.acfs ONLINE ONLINE p750db1 ONLINE ONLINE p750db2 ONLINE
ONLINE p750db3 ONLINE ONLINE p750db4
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.LISTENER_SCAN1.lsnr 1 ONLINE ONLINE p750db2 ora.cvu 1 ONLINE ONLINE p750db1
ora.db.db 1 ONLINE ONLINE p750db1 Open 2 ONLINE ONLINE p750db2 Open 3 ONLINE
ONLINE p750db3 Open 4 ONLINE ONLINE p750db4 Open ora.oc4j 1 ONLINE ONLINE
p750db1 ora.p750db1.vip 1 ONLINE ONLINE p750db1 ora.p750db2.vip 1 ONLINE ONLINE
p750db2 ora.p750db3.vip 1 ONLINE ONLINE p750db3 ora.p750db4.vip 1 ONLINE
INTERMEDIATE p750db2 FAILED OVER ora.scan1.vip 1 ONLINE ONLINE p750db2
[root@p750db2://]#

Technology
©2019-2020 Toolsou All rights reserved,
Python Garbage collection and memory leak hive Summary of processing methods for a large number of small files The difference between memory overflow and memory leak , Causes and Solutions Create data mysql Library process You don't know ——HarmonyOS stay Vue Use in Web WorkerSparkSQL Achieve partition overlay write msf Generate Trojan horse attack android mobile phone Linux Page replacement algorithm C Language implementation Django Personal blog building tutorial --- Time classified archiving