1. 硬件环境要求
Oracle 26ai(23.26)是Oracle最新的数据库版本,集成了AI特性,对硬件资源要求较高:
# 检查内存大小
$ free -h
total used free shared buff/cache available
Mem: 256G 4.0G 248G 2.5G 4G 250G
Swap: 64G 0B 64G
# 检查CPU核心数
$ cat /proc/cpuinfo | grep “processor” | wc -l
64
# 检查磁盘空间
$ df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda2 200G 25G 165G 14% /
/dev/sda3 4000G 20G 3780G 1% /oracle
2. 操作系统准备
国产麒麟Kylin v10是基于CentOS/RHEL 7.x开发的Linux发行版,Oracle 26ai支持该系统。以下是操作系统的准备工作:
2.1 安装必要的依赖包
# 安装Oracle 26ai所需的依赖包
$ yum install -y binutils compat-libcap1 compat-libstdc++-33 gcc gcc-c++ glibc glibc-devel ksh libaio libaio-devel libgcc libstdc++ libstdc++-devel libxcb libX11 libXau libXi libXtst make nfs-utils net-tools openssh-clients openssl oracleasm-support unixODBC unixODBC-devel
# 安装额外的依赖包(针对Kylin v10和Oracle 26ai)
$ yum install -y elfutils-libelf elfutils-libelf-devel fontconfig-devel glibc-devel.i686 libstdc++-devel.i686 libXrender-devel libX11-devel libXau-devel libxcb-devel libXi-devel libXtst-devel libXext-devel libXft-devel libxslt-devel
# 安装图形界面相关包
$ yum install -y xorg-x11-server-Xorg xorg-x11-xauth xorg-x11-apps
# 安装AI特性所需的依赖包
$ yum install -y python3-devel python3-pip
$ pip3 install –upgrade pip
$ pip3 install numpy scipy scikit-learn tensorflow
2.2 关闭防火墙和SELinux
$ systemctl stop firewalld
$ systemctl disable firewalld
# 关闭SELinux临时生效
$ setenforce 0
# 永久关闭SELinux
$ vi /etc/selinux/config
# 修改SELINUX=disabled
# 验证SELinux状态
$ getenforce
Permissive
2.3 禁用透明大页(THP)
$ cat /sys/kernel/mm/transparent_hugepage/enabled
[always] madvise never
# 禁用透明大页
$ vi /etc/default/grub
# 在GRUB_CMDLINE_LINUX中添加:transparent_hugepage=never
# 重新生成grub配置文件
$ grub2-mkconfig -o /boot/grub2/grub.cfg
# 重启系统使配置生效
$ reboot
# 验证透明大页状态
$ cat /sys/kernel/mm/transparent_hugepage/enabled
always madvise [never]
2.4 配置主机名和IP
$ hostnamectl set-hostname fgedudb01.fgedu.net.cn
# 配置/etc/hosts文件
$ vi /etc/hosts
# 添加以下内容
192.168.1.51 fgedudb01.fgedu.net.cn fgedudb01
# 验证主机名和IP
$ hostname
fgedudb01.fgedu.net.cn
$ ping -c 3 fgedudb01
2.5 配置时区和NTP
$ timedatectl set-timezone Asia/Shanghai
# 安装并配置NTP服务
$ yum install -y chrony
$ systemctl start chronyd
$ systemctl enable chronyd
# 验证NTP同步状态
$ chronyc sources
3. 创建Oracle用户和组
$ groupadd oinstall
$ groupadd dba
$ groupadd oper
$ groupadd backupdba
$ groupadd dgdba
$ groupadd kmdba
$ groupadd racdba
# 创建Oracle用户并设置密码
$ useradd -g oinstall -G dba,oper,backupdba,dgdba,kmdba,racdba oracle
$ passwd oracle
Changing password for user oracle.
New password: Oracle123
BAD PASSWORD: The password is shorter than 8 characters
Retype new password: Oracle123
passwd: all authentication tokens updated successfully.
# 验证用户和组
$ id oracle
uid=1000(oracle) gid=1000(oinstall) groups=1000(oinstall),1001(dba),1002(oper),1003(backupdba),1004(dgdba),1005(kmdba),1006(racdba)
4. 配置内核参数
$ vi /etc/sysctl.conf
# 添加以下内容
fs.aio-max-nr = 1048576
fs.file-max = 6815744
kernel.shmall = 2097152
kernel.shmmax = 549755813888
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
# 使内核参数生效
$ sysctl -p
5. 配置资源限制
$ vi /etc/security/limits.conf
# 添加以下内容
oracle soft nproc 2047
oracle hard nproc 16384
oracle soft nofile 1024
oracle hard nofile 65536
oracle soft stack 10240
oracle hard stack 32768
# 配置PAM认证模块
$ vi /etc/pam.d/login
# 添加以下内容
session required pam_limits.so
# 配置shell限制
$ vi /etc/profile
# 在文件末尾添加以下内容
if [ $USER = “oracle” ]; then
if [ $SHELL = “/bin/ksh” ]; then
ulimit -p 16384
ulimit -n 65536
else
ulimit -u 16384 -n 65536
fi
fi
6. 创建目录结构
$ mkdir -p /oracle/app/oracle/product/26ai/db_1
$ mkdir -p /oracle/app/oracle/oradata
$ mkdir -p /oracle/app/oraInventory
$ mkdir -p /oracle/backup
$ mkdir -p /oracle/app/oracle/fast_recovery_area
$ mkdir -p /oracle/app/oracle/ai_models
# 设置目录权限
$ chown -R oracle:oinstall /oracle
$ chmod -R 775 /oracle
7. Oracle安装包下载
从Oracle官方网站下载Oracle 26ai安装包:
# LINUX.X64_26ai_DATABASE.zip
# 下载完成后,将安装包上传到/oracle/software目录
$ mkdir -p /oracle/software
$ cd /oracle/software
# 解压安装包
$ unzip LINUX.X64_26ai_DATABASE.zip
# 设置安装包权限
$ chown -R oracle:oinstall /oracle/software
$ chmod -R 775 /oracle/software
8. Oracle数据库安装
切换到Oracle用户,执行图形化安装向导:
8.1 配置环境变量
$ su – oracle
# 配置环境变量
$ vi ~/.bash_profile
# 添加以下内容
ORACLE_BASE=/oracle/app/oracle
ORACLE_HOME=$ORACLE_BASE/product/26ai/db_1
ORACLE_SID=fgedudb
PATH=$PATH:$ORACLE_HOME/bin
LD_LIBRARY_PATH=$ORACLE_HOME/lib:/lib:/usr/lib
export ORACLE_BASE ORACLE_HOME ORACLE_SID PATH LD_LIBRARY_PATH
# 使环境变量生效
$ source ~/.bash_profile
# 验证环境变量
$ echo $ORACLE_HOME
/oracle/app/oracle/product/26ai/db_1
$ echo $ORACLE_SID
fgedudb
8.2 启动安装向导
$ cd /oracle/software/database
$ ./runInstaller
8.3 安装配置
步骤1:配置安全更新 – 取消勾选”I wish to receive security updates via My Oracle Support” – 点击”Next”
步骤2:选择安装选项 – 选择”Create and configure a database” – 点击”Next”
步骤3:选择安装类型 – 选择”Server Class” – 点击”Next”
步骤4:选择配置类型 – 选择”Single instance database installation” – 点击”Next”
步骤5:选择安装类型 – 选择”Advanced installation” – 点击”Next”
步骤6:选择产品语言 – 选择”Simplified Chinese”和”English” – 点击”Next”
步骤7:选择数据库版本 – 选择”Enterprise Edition” – 点击”Next”
步骤8:指定安装位置 –
Oracle Base: /oracle/app/oracle
Oracle Home: /oracle/app/oracle/product/26ai/db_1
点击”Next”
步骤9:选择配置类型 – 选择”General Purpose/Transaction Processing” – 点击”Next”
步骤10:指定数据库标识符 –
Global Database Name: fgedudb
SID: fgedudb
勾选”Create as Container database”
Pluggable database name: fgedupdb
点击”Next”
步骤11:指定配置选项 –
Memory: 选择”Use Automatic Memory Management”,设置为物理内存的70%
Character Sets: 选择”Use Unicode (AL32UTF8)”
Database Sample Schemas: 勾选”Create database with sample schemas”
勾选”Enable AI Features”(Oracle 26ai新增选项)
点击”Next”
步骤12:指定管理选项 –
选择”Use Database Control for database management”
勾选”Enable Email Notification”(可选)
点击”Next”
步骤13:指定数据库存储选项 – 选择”File System” –
Database files location: /oracle/app/oracle/oradata
点击”Next”
步骤14:指定快速恢复区 –
Fast Recovery Area: /oracle/app/oracle/fast_recovery_area
Fast Recovery Area Size: 100GB
点击”Next”
步骤15:指定数据库方案密码 –
选择”Use the same password for all accounts”
输入密码:Oracle123
点击”Next”(可能会提示密码不符合复杂度要求,点击”Continue”继续)
步骤16:执行先决条件检查 –
检查完成后,点击”Next”
步骤17:安装产品 –
点击”Finish”开始安装
步骤18:执行配置脚本 –
安装过程中会提示执行脚本,以root用户执行:
# /oracle/app/oraInventory/orainstRoot.sh
# /oracle/app/oracle/product/26ai/db_1/root.sh
执行完成后,点击”OK”继续
步骤19:完成安装 –
安装完成后,点击”Close”
9. 数据库创建
安装过程中会自动创建数据库实例,包括CDB和PDB。以下是创建过程的关键信息:
/oracle/app/oracle/cfgtoollogs/dbca/fgedudb/fgedudb.log
# 数据库创建完成后,系统会显示Enterprise Manager URL
https://fgedudb01:5500/em
# 可插拔数据库信息
PDB名称:fgedupdb
PDB状态:READ WRITE
# AI特性服务状态
Oracle AI Vector Search Service: Running
Oracle Generative AI Service: Running
10. 安装后配置
安装完成后,需要进行一些必要的配置调整:
10.1 配置监听程序
Oracle安装过程中会自动创建监听程序,如需修改可使用Net Configuration Assistant:
$ su – oracle
$ netca
# 选择”Listener Configuration” – 点击”Next”
# 选择”Reconfigure” – 点击”Next”
# 选择监听程序名称(LISTENER) – 点击”Next”
# 选择协议(TCP) – 点击”Next”
# 指定端口号(默认1521) – 点击”Next”
# 完成配置
# 验证监听程序状态
$ lsnrctl status
LSNRCTL for Linux: Version 26.0.0.0.0 – Production on 03-APR-2026 00:00:00
Copyright (c) 1991, 2026, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=fgedudb01.fgedu.net.cn)(PORT=1521)))
STATUS of the LISTENER
————————
Alias LISTENER
Version TNSLSNR for Linux: Version 26.0.0.0.0 – Production
Start Date 03-APR-2026 23:00:00
Uptime 0 days 1 hr. 0 min. 0 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /oracle/app/oracle/product/26ai/db_1/network/admin/listener.ora
Listener Log File /oracle/app/oracle/diag/tnslsnr/fgedudb01/listener/alert/log.xml
Listening Endpoints Summary…
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=fgedudb01.fgedu.net.cn)(PORT=1521)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1521)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=fgedudb01.fgedu.net.cn)(PORT=7077)))
Services Summary…
Service “fgedudb” has 1 instance(s).
Instance “fgedudb”, status READY, has 1 handler(s) for this service…
Service “fgedudbXDB” has 1 instance(s).
Instance “fgedudb”, status READY, has 1 handler(s) for this service…
Service “fgedupdb” has 1 instance(s).
Instance “fgedudb”, status READY, has 1 handler(s) for this service…
The command completed successfully
10.2 配置自动启动数据库
$ vi /etc/init.d/oracle
# 添加以下内容
#!/bin/bash
# chkconfig: 2345 99 10
# description: Oracle 26ai Auto Start Stop Service
ORACLE_BASE=/oracle/app/oracle
ORACLE_HOME=$ORACLE_BASE/product/26ai/db_1
ORACLE_SID=fgedudb
ORACLE_USER=oracle
case “$1” in Oracle 26ai继续支持多租户架构,需要进行一些额外的配置: SQL*Plus: Release 26.0.0.0.0 – Production on Wed Apr 3 00:00:00 2026 Copyright (c) 1982, 2026, Oracle. All rights reserved. Connected to: SQL> # 检查PDB状态 CON_ID CON_NAME OPEN MODE RESTRICTED # 连接到PDB # 配置PDB自动启动 # 验证配置 CON_NAME STATE Oracle 26ai集成了AI特性,需要进行一些额外的配置: # 创建向量索引 Table created. SQL> CREATE INDEX fgedu_vectors_idx ON fgedu_vectors (vector) Index created.
# 创建GENERATIVE_AI角色并授予用户 Role created. SQL> GRANT CONNECT, RESOURCE, generative_ai_role TO fgedu_user IDENTIFIED BY Password123; Grant succeeded. # 启用生成式AI功能 PL/SQL procedure successfully completed.
为了提高Oracle 26ai数据库的性能和稳定性,需要对一些关键参数进行优化配置。更多学习教程www.fgedu.net.cn LOG_MODE # 关闭数据库 # 启动数据库到mount状态 Total System Global Area 1.71798692E11 bytes # 启用归档模式 # 打开数据库 # 验证归档模式 LOG_MODE Oracle 26ai默认密码有效期为180天,生产环境中可能需要调整: PROFILE RESOURCE_NAME RESOURCE_TYPE LIMIT # 修改密码有效期为无限 # 验证修改 PROFILE RESOURCE_NAME RESOURCE_TYPE LIMIT 关闭审计功能可以减少系统开销: NAME TYPE VALUE # 关闭审计功能 # 重启数据库使配置生效 # 调整SGA和PGA大小 # 重启数据库使配置生效 配置RMAN备份策略,确保数据库数据安全: Recovery Manager: Release 26.0.0.0.0 – Production on Wed Apr 3 00:00:00 2026 Copyright (c) 1982, 2026, Oracle and/or its affiliates. All rights reserved. connected to target database: FGEDUDB (DBID=1234567890) RMAN> # 创建备份目录 # 配置控制文件自动备份 # 配置备份保留策略 # 执行全库备份(包括CDB和PDB) 验证Oracle 26ai在国产麒麟Kylin v10上的安装配置是否成功: SQL*Plus: Release 26.0.0.0.0 – Production on Wed Apr 3 00:00:00 2026 Copyright (c) 1982, 2026, Oracle. All rights reserved. Connected to: SQL> # 验证实例状态 INSTANCE_NAME STATUS # 验证数据库状态 NAME STATUS # 使用sqlplus连接CDB测试 SQL*Plus: Release 26.0.0.0.0 – Production on Wed Apr 3 00:00:00 2026 Copyright (c) 1982, 2026, Oracle. All rights reserved. Connected to: SQL> # 使用sqlplus连接PDB测试 SQL*Plus: Release 26.0.0.0.0 – Production on Wed Apr 3 00:00:00 2026 Copyright (c) 1982, 2026, Oracle. All rights reserved. Connected to: SQL> # 验证表空间 # 验证AI特性 # 访问Enterprise Manager 更多学习教程公众号风哥教程itpux_com。本文介绍了Oracle 26ai在国产麒麟Kylin v10上的单机安装配置详细过程,包括硬件环境要求、操作系统准备、用户和组创建、内核参数配置、资源限制配置、目录结构创建、安装包下载、安装步骤、数据库创建、安装后配置、多租户架构配置、AI特性配置、参数优化、备份设置和安装验证等内容。通过本文的指导,读者可以快速完成Oracle 26ai在国产麒麟Kylin v10上的安装和配置。from:www.itpux.com 学习交流加群风哥微信: itpux-com。Oracle 26ai引入了许多AI特性,如向量数据库、生成式AI等,建议在部署前仔细阅读官方文档,了解这些新特性的使用方法和最佳实践。 本文由风哥教程整理发布,仅用于学习测试使用,转载注明出处:http://www.fgedu.net.cn/10327.html
start)
echo -n “Starting Oracle Database: $ORACLE_SID”
su – $ORACLE_USER -c “$ORACLE_HOME/bin/sqlplus / as sysdba <11. 多租户架构配置
11.1 连接到CDB和PDB
$ su – oracle
$ sqlplus / as sysdba
Version 26.0.0.0.0
Oracle Database 26ai Enterprise Edition Release 26.0.0.0.0 – Production
Version 26.0.0.0.0
SQL> SHOW pdbs;
———- —————————— ———- ———-
2 PDB$SEED READ ONLY NO
3 FGEDUPDB READ WRITE NO
SQL> ALTER SESSION SET container = fgedupdb;
Session altered.
11.2 配置PDB自动启动
SQL> ALTER SESSION SET container = CDB$ROOT;
Session altered.
SQL> ALTER PLUGGABLE DATABASE fgedupdb SAVE STATE;
Pluggable database altered.
SQL> SELECT con_name, state FROM dba_pdb_saved_states;
—————————— ————–
FGEDUPDB OPEN
12. AI特性配置
12.1 配置AI Vector Search
SQL> ALTER SESSION SET container = fgedupdb;
Session altered.
SQL> CREATE TABLE fgedu_vectors (
id NUMBER PRIMARY KEY,
description VARCHAR2(1000),
vector BLOB
);
INDEXTYPE IS VECTOR_SEARCH.TREE
PARAMETERS (‘dimension=1024’);12.2 配置Generative AI
SQL> ALTER SESSION SET container = fgedupdb;
Session altered.
SQL> CREATE ROLE generative_ai_role;
SQL> EXEC DBMS_GENAI.ENABLE_FEATURE(‘ALL’);13. 参数优化
13.1 配置归档模式
SQL> SELECT log_mode FROM v$database;
————
NOARCHIVELOG
SQL> SHUTDOWN IMMEDIATE;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> STARTUP MOUNT;
ORACLE instance started.
Fixed Size 20971520 bytes
Variable Size 5.57043917E10 bytes
Database Buffers 1.1596411E11 bytes
Redo Buffers 762368000 bytes
Database mounted.
SQL> ALTER DATABASE ARCHIVELOG;
Database altered.
SQL> ALTER DATABASE OPEN;
Database altered.
SQL> SELECT log_mode FROM v$database;
————
ARCHIVELOG
13.2 配置180天密码问题
SQL> SELECT * FROM dba_profiles WHERE resource_name = ‘PASSWORD_LIFE_TIME’;
—————————— ——————————– ————- ——————————
DEFAULT PASSWORD_LIFE_TIME PASSWORD 180
SQL> ALTER PROFILE DEFAULT LIMIT PASSWORD_LIFE_TIME UNLIMITED;
Profile altered.
SQL> SELECT * FROM dba_profiles WHERE resource_name = ‘PASSWORD_LIFE_TIME’;
—————————— ——————————– ————- ——————————
DEFAULT PASSWORD_LIFE_TIME PASSWORD UNLIMITED
13.3 关闭审计功能
SQL> SHOW PARAMETER audit_trail;
———————————— ———– ——————————
audit_trail string DB
SQL> ALTER SYSTEM SET audit_trail = NONE SCOPE = SPFILE;
System altered.
SQL> SHUTDOWN IMMEDIATE;
SQL> STARTUP;
13.4 调整内存参数
SQL> SHOW PARAMETER memory;
SQL> ALTER SYSTEM SET sga_target = 128G SCOPE = SPFILE;
SQL> ALTER SYSTEM SET pga_aggregate_target = 48G SCOPE = SPFILE;
SQL> SHUTDOWN IMMEDIATE;
SQL> STARTUP;
14. 备份设置
$ su – oracle
$ rman target /
RMAN> CREATE DIRECTORY backup_dir AS ‘/oracle/backup’;
RMAN> CONFIGURE CONTROLFILE AUTOBACKUP ON;
RMAN> CONFIGURE RETENTION POLICY TO REDUNDANCY 3;
RMAN> BACKUP DATABASE PLUS ARCHIVELOG;
15. 安装验证
$ su – oracle
$ sqlplus / as sysdba
Version 26.0.0.0.0
Oracle Database 26ai Enterprise Edition Release 26.0.0.0.0 – Production
Version 26.0.0.0.0
SQL> SELECT instance_name, status FROM v$instance;
—————- ————
fgedudb OPEN
SQL> SELECT name, status FROM v$database;
——— ————
FGEDUDB OPEN
$ sqlplus system/Oracle123@fgedudb
Version 26.0.0.0.0
Oracle Database 26ai Enterprise Edition Release 26.0.0.0.0 – Production
Version 26.0.0.0.0
$ sqlplus system/Oracle123@fgedupdb
Version 26.0.0.0.0
Oracle Database 26ai Enterprise Edition Release 26.0.0.0.0 – Production
Version 26.0.0.0.0
SQL> SELECT tablespace_name, status FROM dba_tablespaces;
SQL> SELECT * FROM ALL_AI_MODELS;
https://fgedudb01:5500/em
# 使用sys用户和密码登录
