检查跟踪文件，发现查询ASM_DISCOVERY_ADDRESS与ASM_DISCOVERY_ADDRESS属性时出现
[root@jtp1 ~]# more /u01/app/grid/diag/crs/jtp1/crs/trace/ohasd_orarootagent_root.trc
Trace file /u01/app/grid/diag/crs/jtp1/crs/trace/ohasd_orarootagent_root.trc
Oracle Database 12c Clusterware Release 12.2.0.1.0 - Production Copyright 1996, 2016 Oracle. All rights reserved.
*** TRACE CONTINUED FROM FILE /u01/app/grid/diag/crs/jtp1/crs/trace/ohasd_orarootagent_root_93.trc ***
2018-04-02 18:42:09.165 : CSSCLNT:3554666240: clsssterm: terminating context (0x7f03c0229390)
2018-04-02 18:42:09.165 : default:3554666240: clsCredDomClose: Credctx deleted 0x7f03c0459470
2018-04-02 18:42:09.166 : GPNP:3554666240: clsgpnp_dbmsGetItem_profile: [at clsgpnp_dbms.c:399] Result: (0) CLSGPNP_OK. (:GPNP00401:)got ASM-Profile.Mode='remote'
2018-04-02 18:42:09.253 : CSSCLNT:3554666240: clsssinit: initialized context: (0x7f03c045c2c0) flags 0x115
2018-04-02 18:42:09.253 : CSSCLNT:3554666240: clsssterm: terminating context (0x7f03c045c2c0)
2018-04-02 18:42:09.254 : CLSNS:3554666240: clsns_SetTraceLevel:trace level set to 1.
2018-04-02 18:42:09.254 : GPNP:3554666240: clsgpnp_dbmsGetItem_profile: [at clsgpnp_dbms.c:399] Result: (0) CLSGPNP_OK. (:GPNP00401:)got ASM-Profile.Mode='remote'
2018-04-02 18:42:09.257 : default:3554666240: Inited LSF context: 0x7f03c04f0420
2018-04-02 18:42:09.260 : CLSCRED:3554666240: clsCredCommonInit: Inited singleton credctx.
2018-04-02 18:42:09.260 : CLSCRED:3554666240: (:CLSCRED0101:)clsCredDomInitRootDom: Using user given storage context for repository access.
2018-04-02 18:42:09.294 : USRTHRD:3554666240: {0:9:3} 8033 Error 4 querying length of attr ASM_DISCOVERY_ADDRESS
2018-04-02 18:42:09.300 : USRTHRD:3554666240: {0:9:3} 8033 Error 4 querying length of attr ASM_DISCOVERY_ADDRESS
2018-04-02 18:42:09.356 : CLSCRED:3554666240: (:CLSCRED1079:)clsCredOcrKeyExists: Obj dom : SYSTEM.credentials.domains.root.ASM.Self.5c82286a084bcf37ffa014144074e5dd.root not found
2018-04-02 18:42:09.356 : USRTHRD:3554666240: {0:9:3} 7755 Error 4 opening dom root in 0x7f03c064c980
检查ASM的alert.log 发现/dev/shm大小小于MEMORY_TARGET大小，并且给出了/dev/shm应该被设置的最小值
[root@jtp1 ~]# tail -f /u01/app/grid/diag/asm/+asm/+ASM1/trace/alert_+ASM1.log
WARNING: ASM does not support ipclw. Switching to skgxp
WARNING: ASM does not support ipclw. Switching to skgxp
WARNING: ASM does not support ipclw. Switching to skgxp
* instance_number obtained from CSS = 1, checking for the existence of node 0...
* node 0 does not exist. instance_number = 1
Starting ORACLE instance (normal) (OS id: 9343)
2018-04-02T18:31:00.187055+08:00
CLI notifier numLatches:7 maxDescs:2301
2018-04-02T18:31:00.193961+08:00
WARNING: You are trying to use the MEMORY_TARGET feature. This feature requires the /dev/shm file system to be mounted for at least 1140850688 bytes. /dev/shm is either not mounted or is mounted with available space less than this size. Please fix this so that MEMORY_TARGET can work as expected. Current available is 1073573888 and used is 167936 bytes. Ensure that the mount point is /dev/shm for this directory.