Modify shm,oracle11g need to expand shared memory

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Links: http://www.cnblogs.com/david-zhang-index/archive/2012/04/26/2472087.html

In the process of installing Oracle 11g on Oracle Linux, there are certain requirements for the shared memory (/DEV/SHM) of the OS, which cannot be less than the size of the memory that you allocate to Oracle for use

[Email protected] ~]$ Cat/etc/fstab | grep SHM

Tmpfs                   /dev/shm                tmpfs   defaults        0 0

[Email protected] ~]$ df-h/DEV/SHM

Filesystem            Size  used Avail use% mounted ONTMPFS                 538M     0  538M   0%/DEV/SHM

[Email protected] ~]# Vi/etc/fstab

[Email protected] ~]# More/etc/fstab

label=/                 /                       ext3    defaults        1 1label=/boot/             boot                   ext3    defaults        1 2tmpfs                   /DEV/SHM                tmpfs   defaults,size=1024m        0 0devpts                  /dev/pts                devpts  gid=5,mode=620  0 0sysfs                   /sys                    sysfs   defaults        0 0proc                    /proc                   proc    defaults        0 0label=swap-sda2         swap                    swap    defaults        0 0

[Email protected] ~]# Mount-o REMOUNT/DEV/SHM

[Email protected] ~]# df-h/DEV/SHM

Filesystem            Size  used Avail use% mounted ONTMPFS                 1.0G     0  1.0G   0%/DEV/SHM

Modify shm,oracle11g need to expand shared memory