From c561a8f0ec9d2a2fb72a2d0d927e1aa21ca54f2b Mon Sep 17 00:00:00 2001 From: Hrvoje Ribicic Date: Tue, 5 May 2015 09:18:29 +0000 Subject: [PATCH] Mention preferred DRBD module settings when using Xen Add a mention into the install file, and provide a link to the official DRBD documentation. Signed-off-by: Hrvoje Ribicic Reviewed-by: Petr Pudlak --- doc/install.rst | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/doc/install.rst b/doc/install.rst index b57247502..688e9e3ee 100644 --- a/doc/install.rst +++ b/doc/install.rst @@ -251,7 +251,11 @@ your instances to DRBD to take advantage of the new features. Supported DRBD versions: 8.0-8.4. It's recommended to have at least version 8.0.12. Note that for version 8.2 and newer it is needed to pass the ``usermode_helper=/bin/true`` parameter to the module, either by -configuring ``/etc/modules`` or when inserting it manually. +configuring ``/etc/modules`` or when inserting it manually. When using +Xen and DRBD 8.3.2 or higher, it is recommended_ to use the +``disable_sendpage=1`` setting as well. + +.. _recommended: https://drbd.linbit.com/users-guide/s-xen-drbd-mod-params.html Now the bad news: unless your distribution already provides it installing DRBD might involve recompiling your kernel or anyway fiddling -- GitLab