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装过ORACLE 12C RAC 的朋友应该感觉到12C的RAC简直就是一个怪物,需要消耗太多的内存、IO、CPU资源,在没有物理机器的情况下,使用虚拟机装ORACLE 12C RAC那可能需要比较好的主机资源(8G的内存不运行主机,仅仅够2个节点的虚拟机运行,所以8G的内存主机基本上无法ORACLE 12C 2节点RAC),而没有好的资源情况下,又需要玩12C RAC功能的朋友,我这里展示了单节点RAC(一个节点的RAC的rac),这里主要显示的是单节点RAC和多节点RAC安装不同之处,同时这里的安装也仅仅是为了玩
内存要求
准备环境
[oracle@xifenfei ~]$ more /etc/oracle-release
Oracle Linux Server release 5.8
[oracle@xifenfei ~]$ free -m
total used free shared buffers cached
Mem: 4350 4036 313 0 4 2805
-/+ buffers/cache: 1226 3124
Swap: 2047 853 1193
[oracle@xifenfei ~]$ /sbin/ifconfig
eth0 Link encap:Ethernet HWaddr 00:0C:29:02:1B:A7
inet addr:192.168.30.22 Bcast:192.168.30.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:66152 errors:0 dropped:0 overruns:0 frame:0
TX packets:83647 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:21143877 (20.1 MiB) TX bytes:44756747 (42.6 MiB)
eth1 Link encap:Ethernet HWaddr 00:0C:29:02:1B:B1
inet addr:10.10.30.22 Bcast:10.10.30.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:8064 errors:0 dropped:0 overruns:0 frame:0
TX packets:366 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:645158 (630.0 KiB) TX bytes:64125 (62.6 KiB)
[oracle@xifenfei ~]$ more /etc/hosts
127.0.0.1 localhost.localdomain localhost
10.10.30.22 xifenfei-priv
192.168.30.22 xifenfei
192.168.30.32 xifenfei-vip
192.168.30.42 scan-ip
[root@xifenfei ~]# yum install oracle-validated
[root@xifenfei rpm]# rpm -ivh cvuqdisk-1.0.9-1.rpm
安装GRID软件
安装ORACE DB软件
创建数据库
安装结果
[root@xifenfei ~]# crsctl status res -t
--------------------------------------------------------------------------------
Name Target State Server State details
--------------------------------------------------------------------------------
Local Resources
--------------------------------------------------------------------------------
ora.ASMNET1LSNR_ASM.lsnr
ONLINE ONLINE xifenfei STABLE
ora.DATA.dg
ONLINE ONLINE xifenfei STABLE
ora.LISTENER.lsnr
ONLINE ONLINE xifenfei STABLE
ora.net1.network
ONLINE ONLINE xifenfei STABLE
ora.ons
ONLINE ONLINE xifenfei STABLE
ora.proxy_advm
ONLINE ONLINE xifenfei STABLE
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.LISTENER_SCAN1.lsnr
1 ONLINE ONLINE xifenfei STABLE
ora.MGMTLSNR
1 ONLINE ONLINE xifenfei 169.254.243.16 10.10
.30.22,STABLE
ora.asm
1 ONLINE ONLINE xifenfei STABLE
2 OFFLINE OFFLINE STABLE
3 OFFLINE OFFLINE STABLE
ora.cdb.db
1 ONLINE ONLINE xifenfei Open,STABLE
ora.cvu
1 ONLINE ONLINE xifenfei STABLE
ora.mgmtdb
1 ONLINE ONLINE xifenfei Open,STABLE
ora.oc4j
1 ONLINE ONLINE xifenfei STABLE
ora.scan1.vip
1 ONLINE ONLINE xifenfei STABLE
ora.xifenfei.vip
1 ONLINE ONLINE xifenfei STABLE
--------------------------------------------------------------------------------
[root@xifenfei ~]# ifconfig
eth0 Link encap:Ethernet HWaddr 00:0C:29:02:1B:A7
inet addr:192.168.30.22 Bcast:192.168.30.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:66419 errors:0 dropped:0 overruns:0 frame:0
TX packets:83849 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:21168865 (20.1 MiB) TX bytes:44798962 (42.7 MiB)
eth0:1 Link encap:Ethernet HWaddr 00:0C:29:02:1B:A7
inet addr:192.168.30.42 Bcast:192.168.30.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
eth0:2 Link encap:Ethernet HWaddr 00:0C:29:02:1B:A7
inet addr:192.168.30.32 Bcast:192.168.30.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
eth1 Link encap:Ethernet HWaddr 00:0C:29:02:1B:B1
inet addr:10.10.30.22 Bcast:10.10.30.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:12244 errors:0 dropped:0 overruns:0 frame:0
TX packets:368 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:994988 (971.6 KiB) TX bytes:64536 (63.0 KiB)
eth1:1 Link encap:Ethernet HWaddr 00:0C:29:02:1B:B1
inet addr:169.254.243.16 Bcast:169.254.255.255 Mask:255.255.0.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:91800 errors:0 dropped:0 overruns:0 frame:0
TX packets:91800 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:68999524 (65.8 MiB) TX bytes:68999524 (65.8 MiB)