在HP-UX及AIX和RHEL的安装的Oracle 11gR2 RAC
2012-05-13 15:31:48 来源：WEB开发网核心提示： core = 2097151 cpu = -1 data = -1 rss = -1 stack = -1 nofiles = -1 2．修改系统配置参数# ioo –o aio_maxreqs a
core = 2097151
cpu = -1
data = -1
rss = -1
stack = -1
nofiles = -1
2．修改系统配置参数
# ioo –o aio_maxreqs
aio_maxreqs = 65536
# lsattr -E -l sys0 -a maxuproc
# smit chgsys
maxuproc 16384 Maximum number of PROCESSES allowed per user True
3．虚拟内存参数设置：
vmo -p -o minperm%=3
vmo -p -o maxperm%=90
vmo -p -o maxclient%=90
vmo -p -o lru_file_repage=0
vmo -p -o strict_maxclient=1
vmo -p -o strict_maxperm=0
4．配置网络参数
Add the following line to the /etc/rc.net
if [ -f /usr/sbin/no ] ; then
/usr/sbin/no -o udp_sendspace=65536
/usr/sbin/no -o udp_recvspace=655360
/usr/sbin/no -o tcp_sendspace=65536
/usr/sbin/no -o tcp_recvspace=65536
/usr/sbin/no -o rfc1323=1
/usr/sbin/no -o sb_max=2*655360
/usr/sbin/no -r -o ipqmaxlen=512
fi
ipqmaxlen parameter:设置后需重启机器使其生效；
/usr/sbin/no -r -o ipqmaxlen=512
2.2.3 RHEL内核参数设置如下：
kernel.shmmni = 4096
kernel.sem = 250 32000 100 128
fs.file-max = 512 x processes (for example 6815744 for 13312 processes)
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
kernel.shmall = physical RAM size / pagesize For most systems, this will be the value 2097152. See Note: 301830.1 for more information.
kernel.shmmax = 1/2 of physical RAM, but not greater than 4GB. This would be the value 2147483648 for a system with 4Gb of physical RAM.
kernel.shmmni = 4096
kernel.sem = 250 32000 100 128
1.修改Oracle用户的系统限制参数
#vi /etc/security/limits.conf
grid soft nproc 2047
grid hard nproc 16384
grid soft nofile 1024
grid hard nofile 65536
oracle soft nproc 2047
oracle hard nproc 16384
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