oracle11g的自动内存管理特性,需要使用到操作系统的共享内存(/dev/shm).在配置oracle PGA和SGA内存时,参数 MEM ORY_TARGET or MEMORY_MAX_TARGET 不能大于系统的共享内存。可以用如下命令来查看共享内存大小。
# df -h /dev/shm/
Filesystem Size Used Avail Use% Mounted on
tmpfs 499M 1.0M 498M 1% /dev/shm
磁盘空间要求
/tmp目录至少1GB空间
查看/tmp空间大小
# uname -m
x86_64
这个表格展示了x86_64系统各个版本的安装文件和数据文件所需要磁盘空间大小。
Installation
Type
Requirement for Software Files (GB)
Enterprise
Edition
4.35
Standard Edition
3.73
Installation
Type
Disk Space for Data Files (GB)
Enterprise
Edition
1.68
Standard Edition
1.48
2.检查软件要求
操作系统要求
Asianux 2.0
Asianux 3.0
Oracle Enterprise Linux 4.0 Update 7 or later
Oracle Enterprise Linux 5.0
Red Hat Enterprise Linux 4.0 Update 7 or later
Red Hat Enterprise Linux 5.0
SUSE Linux Enterprise Server 10.0
SUSE Linux Enterprise Server 11.0
#cat /proc/version
Linux version 3.0.13-0.27-default ([email protected]) (gcc version 4.3.4 [gcc-4_3-branch revision 152973] (SUSE Linux) ) #1 SMP Wed Feb 15 13:33:49 UTC 2012 (d73692b)
#lsb_release -id
Distributor ID: SUSE LINUX
Description: SUSE Linux Enterprise Server 11 (x86_64)
当前系统在官方支持的操作系统里。
内核要求
On Asianux 2.0, Oracle Enterprise Linux 4.0, and Red Hat Enterprise Linux 4.0:
2.6.9 or later
On Asianux 3.0, Oracle Enterprise Linux 5.0, and Red Hat Enterprise Linux 5.0:
2.6.18 or later
On SUSE Linux Enterprise Server 10:
2.6.16.21 or later
On SUSE Linux Enterprise Server 11:
2.6.27.19 or later
# uname -r
3.0.13-0.27-default
同样满足要求
安装包要求
x86-64
SUSE
Linux Enterprise Server 11
The following packages (or later versions) must be installed: