X-Git-Url: https://git.adam-barratt.org.uk/?a=blobdiff_plain;f=input%2Fhowto%2Finstall-ganeti.creole;h=ddab5df8a7ae2562ef39a18cdfd518ba3b05474f;hb=71bd57d4f63c3cbfe6078a6e5cd20c198b75e3d6;hp=c6c68112ca03bf5467a25b35d2a5743c11851459;hpb=0e0866c01ff5ffcbddedd8c48207b0e001b4f3d1;p=mirror%2Fdsa-wiki.git diff --git a/input/howto/install-ganeti.creole b/input/howto/install-ganeti.creole index c6c6811..ddab5df 100644 --- a/input/howto/install-ganeti.creole +++ b/input/howto/install-ganeti.creole @@ -183,6 +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 @@ -197,9 +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. ---- @@ -360,8 +367,37 @@ 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"