From: Jesse Gross Date: Mon, 28 Jan 2013 18:23:42 +0000 (-0800) Subject: FAQ: Add entry describing upgrade order between userspace and kernel. X-Git-Tag: sliver-openvswitch-1.9.90-3~3^2~18 X-Git-Url: http://git.onelab.eu/?p=sliver-openvswitch.git;a=commitdiff_plain;h=33cec590a3d39284b78bac3f0f5ccff51e84eb50 FAQ: Add entry describing upgrade order between userspace and kernel. There will be significant changes for tunneling between 1.9 and 1.10 so this describes how to smoothly upgrade. Suggested-by: Ben Pfaff Signed-off-by: Jesse Gross --- diff --git a/FAQ b/FAQ index 9fb60f754..1a2c4f88e 100644 --- a/FAQ +++ b/FAQ @@ -154,6 +154,14 @@ A: The following table lists the Linux kernel versions against which the It should build against almost any kernel, certainly against 2.6.18 and later. +Q: Should userspace or kernel be upgraded first to minimize downtime? + + In general, the Open vSwitch userspace should be used with the + kernel version included in the same release or with the version + from upstream Linux. However, when upgrading between two releases + of Open vSwitch it is best to migrate userspace first to reduce + the possbility of incompatibilities. + Q: What features are not available in the Open vSwitch kernel datapath that ships as part of the upstream Linux kernel?