Posted by admin on 18th October 2012
最近RAC 的case实在太多,越来越觉得公司逐渐去rac的正确。一套sunOS的系统 在安装完crs 10g之后 服务器不停的自动reboot,具体环境如下：
root@bmsa#showrev Hostname: bmsa Hostid: 84f94303 Release: 5.1[......]
Tags: RAC
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Posted by admin on 16th October 2012
一套新上线的RAC系统(redhat 5.8 RAC 11.2.0.3) 安装过程中跑GI root.sh时抛出error 481错误：
CRS-2672: Attempting to start 'ora.asm' on 'ptdb1' CRS-50[......]
Tags: RAC
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Posted by admin on 11th September 2012
一套10.2.0.5 RAC 系统 evmd cssd服务无法启动
CRS version
[oracle@ptdb02 oracle]$ crsctl query crs softwareversion
CRS software version on node [ptdb02] is[......]
Tags: RAC
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Posted by admin on 18th August 2012
oracle 11gR2 rac listener引入了3项主要的改变：
1. listener默认owner为grid
[oracle@db-42 ~]$ srvctl config listener
Name: LISTENER
Network: 1, Owner: grid[......]
Tags: RAC
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Posted by admin on 6th March 2012
Rebootless Node Fencing
In versions before 11.2.0.2 Oracle Clusterware tried to prevent a split-brain with a fast reboot (better: reset) of the[......]
Tags: RAC
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Posted by admin on 9th February 2012
Recommendation for the Real Application Cluster Interconnect and Jumbo Frames
Applies to:
Ethernet is a widely used n[......]
Tags: RAC
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Posted by admin on 6th January 2012
Configuring Temporary Tablespaces for RAC Databases for Optimal Performance
Modified 04-AUG-2010 Type BULLETIN Status ARCHIVED
In this[......]
Tags: RAC
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Posted by admin on 11th December 2011
环境：redhat 5.5+oracle 10g rac+netapp
首先碰到DMM问题，netapp存储通过DMM软件mapping过来的设备 oracle无法识别 报如下错误：
the location /dev/mapper/ocr1 ,entered for the oracl[......]
Tags: RAC
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Posted by admin on 9th December 2011
在安装rac之前，可以通过Oracle提供的一个工具进行cluster环境验证，这个工具叫做cluvfy（Cluster Verification Utility)。
一、CVU程序的位置
OTN下载: http://otn.oracle.com/RAC
Oracle DVD[......]
Tags: RAC
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Posted by admin on 1st December 2011
在RAC环境中，Oracle使用GRD（Global Resource Service）来记录各个RAC节点的资源信息，具体通过GCS（Global Cache Service）和GES（Global Enqueue Service）这两个服务进行管理。
由于在RAC中每个节点都有自己的SGA和b[......]
Tags: RAC
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