1.登录到命令行 切换到grid用户 [grid@swnode1 ~]$ sqlplus / as sysasm SQL*Plus: Release Production on Wed May :: Copyright (c) , , Oracle. All rights reserved. Connected to: Oracle Database 12c Enterprise Edition Release - 64bit Production 注意:这里是sysasm登录才能有权限修改 2…

1.错误信息:Instantiating disk: failed [root@linuxrac1 /]# /usr/sbin/oracleasm createdisk OCR_VOTE /dev/sdb1 /etc/init.d/oracleasm createdisk OCR_VOTE /dev/sdb1 Writing disk header: done Instantiating disk: failed Clearing disk header: done 2.解决办法: 1.首先检查…

[RAC] RAC For W2K8R2 安装--创建ASM磁盘组(六) 一.1  BLOG文档结构图 一.2  前言部分 一.2.1  导读 各位技术爱好者,看完本文后,你可以掌握如下的技能,也可以学到一些其它你所不知道的知识,~O(∩_∩)O~: ① RAC for windows 2008R2 的安装 ② rac环境下共享存储的规划和搭建 ③ starwind软件的应用 ④ VMware workstation 如何做共享存储 ⑤ rac数据的静默安装和dbca静默建库 ⑥ rac数据库在…

本例环境: 操作系统OEL 6.5 数据库版本:11.2.0.4 问题:DBCA建库的时候,检测不到ASM磁盘组 因素一:可能是在授权的时候执行了 chown –R 775 /u01/app等修改权限. 分析:数据库无法连接ASM,这应该是权限问题,grid的$ORACLE_BASE是/u01/app/grid,oracle的$ORACLE_BASE是/u01/app/oracle,在创建这几个目录时,赋予权限/u01/app的属组关系是grid:oinstall,/u01/app/oracle…

1.物理机挂在要添加的磁盘,虚拟机格式化虚拟硬盘 略 2.登录服务器:fdisk -l [root@node2 ~]# fdisk -l Disk /dev/sda: 107.3 GB, 107374182400 bytes 255 heads, 63 sectors/track, 13054 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev…

因之前分区时,分区的Last cylinder的值选了“1”,导致创建磁盘组空间不足.解决办法是先删除分区,重新创建分区并删除ASM磁盘,然后重建ASM磁盘 1. 先删除分区,重新创建分区: 1)查询空间不足的分区情况: [root@linuxrac1 ~]# fdisk /dev/sdb Command (m for help): p Disk /dev/sdb: 4294 MB, 4294967296 bytes 255 heads, 63 sectors/track, 522 cylind…

ASM磁盘无法识别几种现象: 1) gi家目录或者其子目录权限错误 2)asm磁盘的权限错误 3)asm实例未启动或者asm磁盘组没有mount上 4)asm磁盘组资源没有在线 5)oracle用户的权限错误 6)oracle($ORACLE_HOME/bin)可执行文件的权限错误 OK,那我就按照上面的分析结果进行逐一排查: 1) gi家目录或者其子目录权限错误 [root@rac1 ~]# ls -ld /u01/app/11.2.0/grid/drwxr-x--- 66 root oins…

生产环境注意调整以下参数: +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + 1.节点间滚动添加UDEV磁盘 + 2.ASM 内存大小 + 3.POWER_LIMIT别弄太大 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++…

https://www.cnblogs.com/polestar/p/10115263.html Oracle RAC环境下ASM磁盘组扩容 生产环境注意调整以下参数: +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + 1.节点间滚动添加UDEV磁盘 + 2.ASM 内存大小 + 3.PO…

ORA-19504: failed to create file "+DATA" ORA-15045: ASM file name '+DATA' is not in reference form ORA-17502: ksfdcre:5 Failed to create file +DATA ORA-15081: failed to submit an I/O operation to a disk 在DBCA过程中,发现无法识别ASM磁盘组报以上错误,解决方法如下: 两个节点分析执…