在手动写ASM参数文件后启动ASM遇到一个问题,在启动asm实例的时候提示:ORA-29701 :unable to connect to Cluster Manager通过对于联机文档的解读,我了解到是没有添加CSS服务的原因,好,下面我们在root用户下执行/u01/app/Oracle/product/10.2/db_1/bin/localconfig add命令去添加CSS服务,好!问题解决,但是在启动asm实例却报了ORA-15110: nodiskgroups mounted 错误(启动实例的时候出现ORA-15110错误非常正常,因为我之前还没有创建diskgroup)SQL>select path,mount_status from v$asm_disk order by disk_number;PATH MOUNT_S
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ORCL:VOL01 CLOSED
ORCL:VOL02 CLOSED查看磁盘的状态,如果没有看到,则是设置的asm_diskstring参数不正确,需要调整。PATH MOUNT_S---------------------------------------------------------
ORCL:VOL01 CACHED
ORCL:VOL02 CACHED创建磁盘组SQL>create diskgroup syasm normal redundancy disk "ORCL:VOL01";SQL> alterdiskgroup syasm add disk "ORCL:VOL02";Diskgroupcreated.创建磁盘组后,再次查询v$asm_disk视图,发现ASM磁盘的状态由closed变成cached SQL>select path,mount_status from v$asm_disk order by disk_number;PATH MOUNT_S
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ORCL:VOL01 CACHED
ORCL:VOL02 CACHED创建spfile,重启实例SQL>create spfile from pfile;File created.SQL>shutdown immediate
ASM diskgroups dismounted
ASM instance shutdown
SQL> startup
ASM instance started
Total System Global Area 92274688 bytes
Fixed Size 1217884 bytes
Variable Size 65890980 bytes
ASM Cache 25165824 bytes
ORA-15110: no diskgroups mounted无法启动磁盘组,并报ORA-15110错误,决定通过手动方式启动磁盘组SQL> alterdiskgroup all mount;alterdiskgroup all mount*ERROR at line1:ORA-15110: nodiskgroups mounted手动也无法启动,是什么问题呢~通过SQL>show paramter asm;NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
asm_diskgroups string
asm_diskstring string
asm_power_limit integer 1asm_diskgroups后面的值竟然是空置,难怪磁盘组会起不来,手动加上!SQL>altersystem set asm_diskgroups=SHIYUEASM scope=both;好!再次启动磁盘组!SQL> alterdiskgroup all mount;SQL>startup
ASM instance started
Total System Global Area 92274688 bytes
Fixed Size 1217884 bytes
Variable Size 65890980 bytes
ASM Cache 25165824 bytes
ASM diskgroups mounted 磁盘组起来了,手动创建ASM磁盘组完成!Linux下源码编译MySQL 5.5 与安装过程全记录Oracle String 合并与拆分相关资讯 Oracle教程
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