X-Git-Url: https://git.adam-barratt.org.uk/?a=blobdiff_plain;f=input%2Fhowto%2Finstall-ganeti.creole;h=ddab5df8a7ae2562ef39a18cdfd518ba3b05474f;hb=71bd57d4f63c3cbfe6078a6e5cd20c198b75e3d6;hp=e5f46f869dd1d9045d464f0826773281a13da04d;hpb=74d366e3e9c853ddb9f6471997cbdabc0b1f21a6;p=mirror%2Fdsa-wiki.git

diff --git a/input/howto/install-ganeti.creole b/input/howto/install-ganeti.creole
index e5f46f8..ddab5df 100644
--- a/input/howto/install-ganeti.creole
+++ b/input/howto/install-ganeti.creole
@@ -36,8 +36,9 @@ The following DNS records exist:
 On each node, install the required packages:
 
 {{{
-    apt-get install fai-client ssed extlinux
-    apt-get install {drbd8-utils,ganeti2,ganeti-htools}/squeeze-backports ganeti-instance-debootstrap qemu-kvm
+    # maybe: apt-get install drbd8-utils
+    # maybe: apt-get install ganeti-instance-debootstrap
+    apt-get install ganeti2 ganeti-htools qemu-kvm
 }}}
 
 === configure kernel modules ===
@@ -49,6 +50,7 @@ On each node, ensure that the required kernel modules are loaded at boot:
     ainsl /etc/modules 'hmac'
     ainsl /etc/modules 'tun'
     ainsl /etc/modules 'ext3'
+    ainsl /etc/modules 'ext4'
 }}}
 
 === configure networking ===
@@ -124,17 +126,6 @@ On each node, create a volume group:
     vgcreate vg_ganeti /dev/cciss/c0d0p3
 }}}
 
-=== create kvmU symbolic links ===
-
-On each node, create vmlinuz and initrd symlinks as expected by the kvm
-hypervisor (not strictly required if all guests will boot from their own
-kernels):
-
-{{{
-    ln -s -T /boot/vmlinuz-2.6.32-5-amd64 /boot/vmlinuz-2.6-kvmU
-    ln -s -T /boot/initrd.img-2.6.32-5-amd64 /boot/initrd.img-2.6-kvmU
-}}}
-
 === exchange ssh keys ===
 
 on each node:
@@ -162,7 +153,7 @@ On the master node (foo) only:
       --mac-prefix 00:16:37 \
       --no-ssh-init \
       --no-etc-hosts \
-      --hypervisor-parameters kvm:initrd_path=/boot/initrd.img-2.6-kvmU,kernel_path=/boot/vmlinuz-2.6-kvmU \
+      --hypervisor-parameters kvm:initrd_path=,kernel_path= \
       foobar.debian.org
 }}}
 
@@ -192,6 +183,13 @@ on the master node (foo):
       bar.debian.org
 }}}
 
+more stuff:
+
+{{{
+  gnt-cluster modify --reserved-lvs='vg0/local-swap.*'
+  maybe: gnt-cluster modify --nic-parameters mode=openvswitch
+}}}
+
 Note the following:
 
 * the secondary IP address is set to the value of the slave node's interface on the private network
@@ -206,9 +204,9 @@ On the master node (foo):
 
 If everything has been configured correctly, no errors should be reported.
 
-=== create the 'dsa' variant ===
+=== create the 'noop' variant ===
 
-Ensure that the debootstrap+dsa variant has been installed by puppet (see ganeti2 module in dsa-puppet).
+Ensure that the ganeti-os-noop is installed.
 
 ----
 
@@ -369,16 +367,45 @@ And you want to convert it to use DRBD afterwards and start it on the other clus
 
 * How to add new LUNs to Bytemark Cluster
 
+** Add new LUN to MSA and export to all blades
+
+{{{
+  Log into MSA controller
+
+  Choose which vdisk to use, use "show vdisks" to list
+
+Add the volume:
+  # create volume vdisk msa2k-2-500gr10 size 5G donizetti
+
+Find a free LUN:
+
+  # show lun-maps
+  or (if we assume they are all the same)
+  # show host-maps 3001438001287090
+
+Make a note of the next free LUN
+
+Generate map commands for all blades, all ports, run locally:
+
+  $ for bl in 1 2 3 4 5 6 ; do for p in 1 2 3 4; do echo "map volume donizetti lun 27 host bm-bl$bl-p$p" ; done ; done
+
+Paste the output into the MSA shell
+
+Find the WWN by doing show host-maps and looking for the volume name.
+Transform it using the sed run at the top of /etc/multipath.conf:
+
+echo "$WWN" | sed -re 's#(.{6})(.{6})0000(.{2})(.*)#36\1000\2\3\4#'
+}}}
+
 {{{
-  + 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.
+  service multipath-tools reload
+  add the WWNs to dsa-puppet/modules/multipath/files/multipath-bm.conf and define the alias and commit that file to git.
 
   then:
   gnt-cluster command "puppet agent -t"