01-04-2016
Virtualizing Physical Machine
Hi Experts -
we have power710 (no VIOs) that is already connected to hmc and everything . I already have a Physical LPAR in there and network configured . Now I plan to delete that LPAR and then put Virtualization code (COD) to virtualize that machine by building VIO servers and stuff.Also ordered some memory dimm to increase memory from 32 GB to 128 GB. Now what conversation I have to have with the network Administrator ? Like I said it is already in the network , in a subnet , Now I want to create a SEA using the NIC, obviously I need a VLAN and stuff . What need to be change from the networking side before proceeding . I know when we brought other P7, I used network admins help during cabling , but I want to know , if that machine is already in a network as a physical server (no VLAN) what need to be changed. Thank you all in advanced .
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LEARN ABOUT PLAN9
network_namespaces
NETWORK_NAMESPACES(7) Linux Programmer's Manual NETWORK_NAMESPACES(7)
NAME
network_namespaces - overview of Linux network namespaces
DESCRIPTION
Network namespaces provide isolation of the system resources associated with networking: network devices, IPv4 and IPv6 protocol stacks, IP
routing tables, firewall rules, the /proc/net directory (which is a symbolic link to /proc/PID/net), the /sys/class/net directory, various
files under /proc/sys/net, port numbers (sockets), and so on.
A physical network device can live in exactly one network namespace. When a network namespace is freed (i.e., when the last process in the
namespace terminates), its physical network devices are moved back to the initial network namespace (not to the parent of the process).
A virtual network (veth(4)) device pair provides a pipe-like abstraction that can be used to create tunnels between network namespaces, and
can be used to create a bridge to a physical network device in another namespace. When a namespace is freed, the veth(4) devices that it
contains are destroyed.
Use of network namespaces requires a kernel that is configured with the CONFIG_NET_NS option.
SEE ALSO
nsenter(1), unshare(1), clone(2), veth(4), proc(5), sysfs(5), namespaces(7), user_namespaces(7), brctl(8), ip(8), ip-address(8), ip-
link(8), ip-netns(8), iptables(8), ovs-vsctl(8)
COLOPHON
This page is part of release 4.15 of the Linux man-pages project. A description of the project, information about reporting bugs, and the
latest version of this page, can be found at https://www.kernel.org/doc/man-pages/.
Linux 2018-02-02 NETWORK_NAMESPACES(7)