From 74d366e3e9c853ddb9f6471997cbdabc0b1f21a6 Mon Sep 17 00:00:00 2001 From: Martin Zobel-Helas Date: Tue, 16 Apr 2013 23:59:10 +0200 Subject: [PATCH] add a bit of bytemark multipath documentation Signed-off-by: Martin Zobel-Helas --- input/howto/install-ganeti.creole | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/input/howto/install-ganeti.creole b/input/howto/install-ganeti.creole index 118aa03..e5f46f8 100644 --- a/input/howto/install-ganeti.creole +++ b/input/howto/install-ganeti.creole @@ -366,3 +366,22 @@ And you want to convert it to use DRBD afterwards and start it on the other clus --hypervisor-parameters kvm:initrd_path=,kernel_path= \ --net 0:ip=206.12.19.124 -n rossini.debian.org reger.debian.org }}} + +* How to add new LUNs to Bytemark Cluster + +{{{ + + Add a new LUN in the MSA and export it to all blades + + then: + gnt-cluster command "echo 1 > /sys/bus/pci/devices/0000:0e:00.0/cciss0/rescan" + + then: + reload multipath-tools on gnt-master (normaly bm-bl1): + /etc/init.d/multipath-tools reload + add the WWNs to dsa-puppet/modules/multipath/files/bm-multipath.conf and define the alias and commit that file to git. + + then: + gnt-cluster command "puppet agent -t" + + This will update the multipath config on all cluster nodes. WITHOUT doing this, you can't migrate VMs between nodes. +}}} -- 2.20.1