This blog documents building an Oracle 2-node 12.1.0.2.0 Grid Infrastructure (GI) ASM Flex Cluster using Oracle GNS on LXC Linux Containers on Violin Memory Flash Array.
[OEL 6.3][templates][root@tme-srv2567]# lxc-create -t oracle -n lxcora02
Edit /etc/sysctl.conf
[OEL 6.3][templates][root@tme-srv2567]# cat /etc/sysctl.conf
# Kernel sysctl configuration file for Red Hat Linux
#
# For binary values, 0 is disabled, 1 is enabled. See sysctl(8) and
# sysctl.conf(5) for more details.
# Controls IP packet forwarding
net.ipv4.ip_forward = 0
# Controls source route verification
net.ipv4.conf.default.rp_filter = 1
# Do not accept source routing
net.ipv4.conf.default.accept_source_route = 0
# Controls the System Request debugging functionality of the kernel
kernel.sysrq = 0
# Controls whether core dumps will append the PID to the core filename.
# Useful for debugging multi-threaded applications.
kernel.core_uses_pid = 1
# Controls the use of TCP syncookies
net.ipv4.tcp_syncookies = 1
# Disable netfilter on bridges.
net.bridge.bridge-nf-call-ip6tables = 0
net.bridge.bridge-nf-call-iptables = 0
net.bridge.bridge-nf-call-arptables = 0
# Controls the default maxmimum size of a mesage queue
kernel.msgmnb = 65536
# Controls the maximum size of a message, in bytes
kernel.msgmax = 65536
# Controls the maximum shared segment size, in bytes
# Controls the maximum number of shared memory segments, in pages
kernel.shmall = 4294967296
# oracle-rdbms-server-11gR2-preinstall setting for fs.file-max is 6815744
fs.file-max = 6815744
# oracle-rdbms-server-11gR2-preinstall setting for kernel.sem is '250 32000 100 128'
kernel.sem = 250 32000 100 128
# oracle-rdbms-server-11gR2-preinstall setting for kernel.shmmni is 4096
kernel.shmmni = 4096
# oracle-rdbms-server-11gR2-preinstall setting for kernel.shmall is 1073741824 on x86_64
# oracle-rdbms-server-11gR2-preinstall setting for kernel.shmall is 2097152 on i386
# oracle-rdbms-server-11gR2-preinstall setting for kernel.shmmax is 4398046511104 on x86_64
# oracle-rdbms-server-11gR2-preinstall setting for kernel.shmmax is 4294967295 on i386
kernel.shmmax = 4398046511104
# oracle-rdbms-server-11gR2-preinstall setting for net.core.rmem_default is 262144
net.core.rmem_default = 262144
# oracle-rdbms-server-11gR2-preinstall setting for net.core.rmem_max is 4194304
net.core.rmem_max = 4194304
# oracle-rdbms-server-11gR2-preinstall setting for net.core.wmem_default is 262144
net.core.wmem_default = 262144
# oracle-rdbms-server-11gR2-preinstall setting for net.core.wmem_max is 1048576
net.core.wmem_max = 1048576
# oracle-rdbms-server-11gR2-preinstall setting for fs.aio-max-nr is 1048576
fs.aio-max-nr = 1048576
# oracle-rdbms-server-11gR2-preinstall setting for net.ipv4.ip_local_port_range is 9000 65500
net.ipv4.ip_local_port_range = 9000 65500
# Hugepages Oracle
vm.nr_hugepages = 2060
[OEL 6.3][templates][root@tme-srv2567]#