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CentOS 默认不在 Oracle 官方支持的操作系统之列。ACFS 这个特性在安装 Grid 时也没有安装。尝试安装时，会提示”Not Supported”
安装 Oracle Enterprise Linux 的内核上传一个 OEL 7.3 的 ISO 文件用 ISO 做一个本地 yum 源安装
yum-config-manager –disable ol7*
yum-config-manager –enable ol7_UEKR3
sed -i s/DEFAULTKERNEL=kernel/DEFAULTKERNEL=kernel=uek/ /etc/sysconfig/kernel
yum install kernel-uek kernel-uek-devel
安装之后：
grub2-editenv list
init 6
打 GRID 软件补丁
补丁：25078431
1. 替换掉 opatch 工具
p6880880_180000_Linux-x86-64.zip
这里所有节点的 opatch 都要替换
2.
解压补丁包
unzip /u01/p25078431_122010_Linux-x86-64.zip -d /tmp
3.
打补丁
/u01/app/12.2.0/grid/OPatch/opatchauto apply /tmp/25078431
两个节点都要打
4.
修改 Oracle 配置文件
修改 $GRID_HOME/lib/osds_acfslib.pm
参考：
https://blog.csdn.net/weiwangsisoftstone/article/details/78813518
[root@rac01 lib]# vi osds_acfslib.pm
# Testing for oraclelinux_release , etc prevents us from dropping
# into the code below from other RH based distros like CentOS, for example.
if ((defined($release)) # Redhat or OEL if defined
(($release =~ /^redhat-release/) || # straight RH
($release =~ /^enterprise-release/) || # Oracle Enterprise Linux
($release =~ /^centos-release/) || # CentOS hack
($release =~ /^oraclelinux-release/))) # Oracle Linux
启用 ACFS 模块 [root@ncrac4 lib]# acfsroot install
ACFS-9300: ADVM/ACFS distribution files found.
ACFS-9314: Removing previous ADVM/ACFS installation.
ACFS-9315: Previous ADVM/ACFS components successfully removed.
ACFS-9307: Installing requested ADVM/ACFS software.
ACFS-9308: Loading installed ADVM/ACFS drivers.
ACFS-9321: Creating udev for ADVM/ACFS.
ACFS-9323: Creating module dependencies – this may take some time.
ACFS-9154: Loading oracleoks.ko driver.
ACFS-9154: Loading oracleadvm.ko driver.
ACFS-9154: Loading oracleacfs.ko driver.
ACFS-9327: Verifying ADVM/ACFS devices.
ACFS-9156: Detecting control device /dev/asm/.asm_ctl_spec .
ACFS-9156: Detecting control device /dev/ofsctl .
ACFS-9309: ADVM/ACFS installation correctness verified.
[root@ncrac4 lib]# acfsload start -s
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