在安装Oracle10g 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。
cluvfy常用的命令有如下一些，通过这些命令可以对CRS或INSTANCE的安装需求进行验证:
bash-2.05$ cluvfy -help
USAGE:
cluvfy [ -help ]
cluvfy stage { -list | -help }
cluvfy stage {-pre|-post} <stage-name> <stage-specific options> [-verbose]
cluvfy comp { -list | -help }
cluvfy comp <component-name> <component-specific options> [-verbose]
但是在Solaris系统下运行这个命令经常会遇到如下一个错误:
bash-2.05$ cluvfy stage -pre crsinst -n db210-rac2
ERROR:
Unable to retrieve database release version.
Verification cannot proceed.
这个错误主要是因为由于环境变量的设置，cluvfy无法找到相应的类库所致。
只需要修改用户环境变量.profile文件中的LD_LIBRARY_PATH_64即可,在使用了EMC的环境中，缺省的该参数可能具有如下设置:
bash-2.05$ env|grep 64
LD_LIBRARY_PATH_64=/opt/EMCpower/lib/sparcv9
在该变量中增加了$ORA_CRS_HOME/lib即可，我的环境设置如下:
bash-2.05$ env|grep 64
LD_LIBRARY_PATH_64=/opt/EMCpower/lib/sparcv9:/opt/oracle/product/10.2.0/Crs10g/lib
现在就可以通过cluvfy进行环境检查:
bash-2.05$ cluvfy stage -pre crsinst -n db210-rac1,db210-rac2
Performing pre-checks for cluster services setup
Checking node reachability...
Node reachability check passed from node "db210-rac1".
Checking user equivalence...
User equivalence check passed for user "oracle".
Checking administrative privileges...
User existence check passed for "oracle".
Group existence check failed for "oinstall".
Check failed on nodes:
db210-rac2,db210-rac1
Administrative privileges check failed.
Checking node connectivity...
WARNING:
Make sure IP address "172.16.19.18" is up and is a valid IP address on node "db210-rac1".
Node connectivity check failed for subnet "172.16.19.0".
Node connectivity check passed for subnet "192.168.18.0" with node(s) db210-rac2,db210-rac1.
Node connectivity check passed for subnet "192.168.19.0" with node(s) db210-rac2,db210-rac1.
Suitable interfaces for the private interconnect on subnet "192.168.18.0":
db210-rac2 bge1:192.168.18.12
db210-rac1 bge1:192.168.18.11
Suitable interfaces for the private interconnect on subnet "192.168.19.0":
db210-rac2 bge2:192.168.19.12
db210-rac1 bge2:192.168.19.11
ERROR:
Could not find a suitable set of interfaces for VIPs.
Node connectivity check failed.
Checking system requirements for 'crs'...
Total memory check passed.
Free disk space check passed.
Swap space check failed.
Check failed on nodes:
db210-rac2,db210-rac1
System architecture check passed.
Operating system version check passed.
Operating system patch check failed for "112760-05".
Check failed on nodes:
db210-rac2,db210-rac1
Operating system patch check failed for "113800-06".
Check failed on nodes:
db210-rac2,db210-rac1
Package existence check passed for "SUNWarc".
Package existence check passed for "SUNWbtool".
Package existence check passed for "SUNWhea".
Package existence check passed for "SUNWlibm".
Package existence check passed for "SUNWlibms".
Package existence check passed for "SUNWsprot".
Package existence check passed for "SUNWsprox".
Package existence check passed for "SUNWtoo".
Package existence check passed for "SUNWi1of".
Package existence check passed for "SUNWi1cs".
Package existence check passed for "SUNWi15cs".
Package existence check passed for "SUNWxwfnt".
Package existence check passed for "SUNWlibC".
Package existence check failed for "SUNWscucm:3.1".
Check failed on nodes:
db210-rac2,db210-rac1
Package existence check failed for "SUNWudlmr:3.1".
Check failed on nodes:
db210-rac2,db210-rac1
Package existence check failed for "SUNWudlm:3.1".
Check failed on nodes:
db210-rac2,db210-rac1
Package existence check failed for "ORCLudlm:Dev_Release_06/11/04,_64bit_3.3.4.8_reentrant".
Check failed on nodes:
db210-rac2,db210-rac1
Package existence check failed for "SUNWscr:3.1".
Check failed on nodes:
db210-rac2,db210-rac1
Package existence check failed for "SUNWscu:3.1".
Check failed on nodes:
db210-rac2,db210-rac1
Group existence check passed for "dba".
Group existence check failed for "oinstall".
Check failed on nodes:
db210-rac2,db210-rac1
User existence check passed for "oracle".
User existence check passed for "nobody".
System requirement failed for 'crs'
Pre-check for cluster services setup was unsuccessful on all the nodes.
在进行了相应的调整后，满足了系统要求，就可以安装Oracle10g CRS和RAC环境了。
-The End-
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