單實例12.2.0.1安裝
1. 修改用戶的SHELL的限制,vi /etc/security/limits.conf 文件,文件末尾添加修改如下
oracle soft nproc 2047
oracle hard nproc 16384
oracle soft nofile 1024
oracle hard nofile 65536
oracle soft stack 10240
2. 修改linux內核,修改 /etc/sysctl.conf 文件
vi /etc/sysctl.conf 文件並添加如下內容:
fs.aio-max-nr = 1048576
fs.file-max = 6815744
kernel.shmall = 2097152
kernel.shmmax = 4294967295
kernel.shmmni = 4096
kernel.sem = 250 32000 100 128
net.ipv4.ip_local_port_range = 9000 65500
net.core.rmem_default = 262144
net.core.rmem_max = 4194304
net.core.wmem_default = 262144
net.core.wmem_max = 1048576
或者kernel.shmall和kernel.shmmax的默認值已經超過上述值,使用默認值即可。
修改生效
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3. 創建用戶
/usr/sbin/groupadd -g 54321 oinstall
/usr/sbin/groupadd -g 54322 dba
/usr/sbin/groupadd -g 54323 oper
/usr/sbin/groupadd -g 54324 backupdba
/usr/sbin/groupadd -g 54325 dgdba
/usr/sbin/groupadd -g 54326 kmdba
/usr/sbin/groupadd -g 54327 asmdba
/usr/sbin/groupadd -g 54328 asmoper
/usr/sbin/groupadd -g 54329 asmadmin
/usr/sbin/groupadd -g 54330 racdba
/usr/sbin/useradd -u 54321 -g oinstall -G dba,asmdba,oper oracle
/usr/sbin/useradd -u 54322 -g oinstall -G asmdba,asmadmin grid
4. 確認用戶:
[[email protected] ~]# id oracle
uid=54321(oracle) gid=54321(oinstall) groups=54321(oinstall),54322(dba),54323(oper),54327(asmdba)
[[email protected] ~]# id grid
uid=54322(grid) gid=54321(oinstall) groups=54321(oinstall),54327(asmdba),54329(asmadmin)
5. 修改密碼:讓你輸入密碼,密碼任意輸入2次,但必須保持一致,回車確認
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