rhel7-19c-RAC-安装.txt

----存储规划
OCR:2G
DATA:10G

----网络规划
----0317----
12c rac pass
root/root

#ip
192.168.0.75   db1
192.168.0.77   db2
#priv
10.0.0.1      db1-priv
10.0.0.2      db2-priv
#vip
192.168.0.76   db1-vip
192.168.0.78   db2-vip
#scan-ip
192.168.0.79   db-scan

----存储
lvextend -L +10.00GB /dev/mapper/root-root
resize2fs /dev/mapper/root-root

redhat7：
拉伸LVM即为放大LVM容量
具体操作：

lvextend -L 500M /dev/mapper/root-root
从原来的大小拉伸到500M
xfs_growfs /dev/mapper/root-root
热拉神，拉神xfs文件系统，刷新 ，对设备进行扩展







----修改主机名
hostnamectl set-hostname db1
hostnamectl set-hostname db2

2.2.  基本检查和调整
systemctl stop firewalld
systemctl disable firewalld

sed -i 's/SELINUX=enforcing/SELINUX=disabled/' /etc/selinux/config

echo "RemoveIPC=no" >>/etc/systemd/logind.conf && systemctl daemon-reload && systemctl restart systemd-logind

echo NOZEROCONF=YES>> /etc/sysconfig/network        

RHEL7:
mount -t iso9660 /dev/cdrom /media && echo "
[RHEL7]
name = Enterprise Linux 7 DVD
baseurl=file:///media