错误信息:
[oracle@db01 ~]$ dbca -silent -responsefile dbca.rsp
Copying database files
1% complete
2% complete
4% complete
12% complete
100% complete
Look at the log file "/DBSoft/oracle/cfgtoollogs/dbca/woo/woo.log" for further details.
[oracle@db01 ~]$ cat /DBSoft/oracle/cfgtoollogs/dbca/woo/woo.log
SGA size can not be greater than maximum shared memory segment size (0). Refer to Oracle installation guide to configure your operating system kernel parameters.
Copying database files
DBCA_PROGRESS : 1%
DBCA_PROGRESS : 2%
ORA-27102: out of memory
DBCA_PROGRESS : 4%
ORA-01034: ORACLE not available
DBCA_PROGRESS : 12%
ORA-01034: ORACLE not available
DBCA_PROGRESS : 100%
检查alert告警日志：
[oracle@db01 ~]$ cat $ORACLE_BASE/diag/rdbms/woo/woo/trace/alert_woo.log
Thu Jun 11 22:46:03 2015
Starting ORACLE instance (normal)
WARNING: The system does not seem to be configured
optimally. Creating a segment of size 0x0000000000800000
failed. Please change the shm parameters so that
a segment can be created for this size. While this is
not a fatal issue, creating one segment may improve
performance
问题分析:
从上面的警告日志中的一个告警信息告诉我们这个
系统在启动的时候需要创建一个大小为0x0000000000800000 size的segment失败，虽然不是一个致命的问题，但是同时告诉我们去修改shm参数可以提高性能。
问题处理：
既然问题已经弄清楚了，那么下一步我们解决该问题就很简单了，扩大/de/shm 的值
1、首先查看下大小是多少:
[oracle@db01 ~]$ df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/vg_db01-lv_root
35G 8.7G 25G 27% /
tmpfs 947M 0 947M 0% /dev/shm
/dev/sda1 485M 35M 425M 8% /boot
2、手动扩大tmpfs的大小
[root@db01 ~]# mount tmpfs /dev/shm -t tmpfs -o size=8g
[root@db01 ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/vg_db01-lv_root
35G 8.7G 25G 27% /
tmpfs 8.0G 0 8.0G 0% /dev/shm
/dev/sda1 485M 35M 425M 8% /boot
tmpfs 8.0G 0 8.0G 0% /dev/shm
3、重新执行安装
[oracle@db01 ~]$ dbca -silent -responsefile dbca.rsp
Cleaning up failed steps
5% complete
Copying database files
7% complete
9% complete
16% complete
23% complete
30% complete
41% complete
Creating and starting Oracle instance
43% complete
48% complete
53% complete
57% complete
58% complete
59% complete
62% complete
64% complete
Completing Database Creation
68% complete
71% complete
75% complete
85% complete
96% complete
100% complete
Look at the log file "/DBSoft/oracle/cfgtoollogs/dbca/woo/woo7.log" for further details.
[oracle@db01 ~]$
[oracle@db01 ~]$ netca /silent /responsefile netca.rsp
Parsing command line arguments:
Parameter "silent" = true
Parameter "responsefile" = netca.rsp
Oracle Net Configuration Assistant could not find the Response File at the given location.
Oracle Net Services configuration failed. The exit code is 1
4、完成之后将tmpfs最终的大小永久写入到/etc/fstab文件中
[oracle@db01 ~]$ cat /etc/fstab
#
# /etc/fstab
# Created by anaconda on Tue Jun 9 19:17:12 2015
#
# Accessible filesystems, by reference, are maintained under '/dev/disk'
# See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info
#
/dev/mapper/vg_db01-lv_root / ext4 defaults 1 1
UUID=9ba8ae31-c918-4ad0-8408-e9e0a7d0beb4 /boot ext4 defaults 1 2
/dev/mapper/vg_db01-lv_swap swap swap defaults 0 0
tmpfs /dev/shm tmpfs size=8g 0 0 -------修改这行内容将defaults改为需要扩展的大小size=8g 即可
devpts /dev/pts devpts gid=5,mode=620 0 0
sysfs /sys sysfs defaults 0 0
proc /proc pr