11gR2启动ASM实例时遭遇ORA-29701
1)默认情况下HAS(High Availability Service)是自动启动的.通过如下命令可以取消和启用自动启动 crsctl disable has crsctl enable has[grid@vm11gr2] /home/grid> sqlplus "/as sysasm" SQL*Plus: Release 11.2.0.1.0 Production on Sun Oct 25 10:16:21 2009 Copyright (c) 1982, 2009, Oracle. All rights reserved. Connected to an idle instance. SQL> startup ORA-01078: failure in processing system parameters ORA-29701: unable to connect to Cluster Synchronization Service SQL>
无法连接到CSS服务上.到操作系统上检查一下看看[grid@vm11gr2] /home/grid> crsctl check css CRS-4530: Communications failure contacting Cluster Synchronization Services daemon [grid@vm11gr2] /home/grid> [grid@vm11gr2] /home/grid> ps -ef|grep cssd
果然没有CSS的服务daemon进程,再看一下HAS(High Availability Service)的状态[grid@vm11gr2] /home/grid> crsctl check has CRS-4638: Oracle High Availability Services is online [grid@vm11gr2] /home/grid> ps -ef|grep d.bin grid 5886 1 0 10:06 ? 00:00:01 /u01/app/grid/product/11.2/grid/bin/ohasd.bin reboot [grid@vm11gr2] /home/grid>
发现HAS的服务确实启动了的,而ora.cssd和ora.diskmon这2个服务是依赖于HAS维护的. 进一步查看各资源的状态[grid@vm11gr2] /home/grid> crs_stat -t Name Type Target State Host -------------------------------------------------------------- ora.FLASH_DATA.dg ora.diskgroup.type OFFLINE OFFLINE vm11gr2 ora.SYS_DATA.dg ora.diskgroup.type OFFLINE OFFLINE vm11gr2 ora.asm ora.asm.type OFFLINE OFFLINE vm11gr2 ora.cssd ora.cssd.type OFFLINE OFFLINE vm11gr2 ora.diskmon ora.diskmon.type OFFLINE OFFLINE vm11gr2 [grid@vm11gr2] /home/grid> [grid@vm11gr2] /home/grid> crsctl status resource -t -------------------------------------------------------------------------------- NAME TARGET STATE SERVER STATE_ DETAILS -------------------------------------------------------------------------------- Local Resources -------------------------------------------------------------------------------- ora.FLASH_DATA.dg OFFLINE OFFLINE vm11gr2 ora.SYS_DATA.dg OFFLINE OFFLINE vm11gr2 ora.asm OFFLINE OFFLINE vm11gr2 -------------------------------------------------------------------------------- Cluster Resources -------------------------------------------------------------------------------- ora.cssd 1 OFFLINE OFFLINE ora.diskmon 1 OFFLINE OFFLINE
再看一下ora.cssd和ora.diskmon的属性[grid@vm11gr2] /home/grid> crs_stat -p ora.cssd NAME=ora.cssd TYPE=ora.cssd.type ACTION_SCRIPT= ACTIVE_PLACEMENT=0 AUTO_START=never CHECK_INTERVAL=30 DESCRIPTION="Resource type for CSSD" FAILOVER_DELAY=0 FAILURE_INTERVAL=3 FAILURE_THRESHOLD=5 HOSTING_MEMBERS= PLACEMENT=balanced RESTART_ATTEMPTS=5 SCRIPT_TIMEOUT=600 START_TIMEOUT=600 STOP_TIMEOUT=900 UPTIME_THRESHOLD=1m [grid@vm11gr2] /home/grid> crs_stat -p ora.diskmon NAME=ora.diskmon TYPE=ora.diskmon.type ACTION_SCRIPT= ACTIVE_PLACEMENT=0 AUTO_START=never CHECK_INTERVAL=20 DESCRIPTION="Resource type for Diskmon" FAILOVER_DELAY=0 FAILURE_INTERVAL=3 FAILURE_THRESHOLD=5 HOSTING_MEMBERS= PLACEMENT=balanced RESTART_ATTEMPTS=10 SCRIPT_TIMEOUT=60 START_TIMEOUT=60 STOP_TIMEOUT=60 UPTIME_THRESHOLD=5s [grid@vm11gr2] /home/grid>
到这里基本就找到了原因了,可以看到这两个资源的AUTO_START属性默认都设置为never,也就是说他们不会随着HAS服务的启动而自动启动的,尽管默认情况下HAS服务是开机自动启动的.好了，那我们就手动启动一下吧:[grid@vm11gr2] /home/grid> crsctl start resource ora.cssd CRS-2672: Attempting to start 'ora.cssd' on 'vm11gr2' CRS-2679: Attempting to clean 'ora.diskmon' on 'vm11gr2' CRS-2681: Clean of 'ora.diskmon' on 'vm11gr2' succeeded CRS-2672: Attempting to start 'ora.diskmon' on 'vm11gr2' CRS-2676: Start of 'ora.diskmon' on 'vm11gr2' succeeded CRS-2676: Start of 'ora.cssd' on 'vm11gr2' succeeded [grid@vm11gr2] /home/grid>
注:ora.cssd和ora.diskmon这两个服务是有依赖关系的，启动哪个都会把两个都起来.[grid@vm11gr2] /home/grid> crs_stat -t Name Type Target State Host -------------------------------------------------------------- ora.FLASH_DATA.dg ora.diskgroup.type OFFLINE OFFLINE vm11gr2 ora.SYS_DATA.dg ora.diskgroup.type OFFLINE OFFLINE vm11gr2 ora.asm ora.asm.type OFFLINE OFFLINE vm11gr2 ora.cssd ora.cssd.type ONLINE ONLINE vm11gr2 ora.diskmon ora.diskmon.type ONLINE ONLINE vm11gr2 [grid@vm11gr2] /home/grid>
CSS服务起来了，重启动asm instance[grid@vm11gr2] /home/grid> sqlplus "/as sysasm" SQL*Plus: Release 11.2.0.1.0 Production on Sun Oct 25 10:30:03 2009 Copyright (c) 1982, 2009, Oracle. All rights reserved. Connected to an idle instance. SQL> startup ASM instance started Total System Global Area 284565504 bytes Fixed Size 1336036 bytes Variable Size 258063644 bytes ASM Cache 25165824 bytes ASM diskgroups mounted SQL> exit Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production With the Automatic Storage Management option [grid@vm11gr2] /home/grid> crs_stat -t Name Type Target State Host -------------------------------------------------------------- ora.FLASH_DATA.dg ora.diskgroup.type ONLINE ONLINE vm11gr2 ora.SYS_DATA.dg ora.diskgroup.type ONLINE ONLINE vm11gr2 ora.asm ora.asm.type ONLINE ONLINE vm11gr2 ora.cssd ora.cssd.type ONLINE ONLINE vm11gr2 ora.diskmon ora.diskmon.type ONLINE ONLINE vm11gr2 [grid@vm11gr2] /home/grid>
tips
2)HAS手动启动和停止 crsctl start has crsctl stop has
3)查看HAS的状态 crsctl check has
4)如果想让ora.css和ora.diskmon服务随着HAS的启动而自动启动，那么你可以这两个服务的AUTO_START属性 crsctl modify resource "ora.cssd" -attr "AUTO_START=1" or crsctl modify resource "ora.diskmon" -attr "AUTO_START=1"
5)如果想取消ora.css和ora.diskmon的Auto start crsctl modify resource "ora.cssd" -attr "AUTO_START=never" crsctl modify resource "ora.diskmon" -attr "AUTO_START=never"