Category: Titan

New way to do VM migration

To migrate VMs to different compute node is easy, simply hold your ctrl key and select VMs, drag & drop them to a new compute server. But now it support more feature, when you release the mouse, it will popup a windows to select “migrate now” or “thru titan script”. If you select titan script,…
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2014/07/11 0

Openstack 4th birthday party in cyberport

Openstack 4th party, i got a counter to demo Titan, thanks Cyberport. Titan language will be demo after September. People seems more interested in Titan management tool rather than the Titan portal.  


2014/07/04 0

How titan connect to kvm’s vnc through titan server via java object stream

I nearly don’t understand the code I wrote 6 months ago about the vnc connection. It is a little complex, the basic idea is : Titan server create a proxy server to the kvm’s vnc. Titan server is using java object stream to communicate with client, it wrap all the bytes from the object stream…
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2014/06/10 0

Titan portal

Developing the titan portal, which is for hosting company’s customers. If you want to build a hosting company using openstack, you definitely need a portal for your customer to provide operations.


2014/06/03 0

Titan Language Rhapsody

Titan Language Rhapsody begin tran; var myCloud as Cloud var vm=myCloud.createVM(cpu=1, mem=2GB, public_ip=dhcp); vm.wait(VM.RUNNING); var trigger1 as Trigger; trigger1.addSensor(‘cpu>80%, duration>10s’); trigger1.addSensor(‘memory>80%, duration>10s’); trigger1.addAction(new Action(ACTION.SCALE_UP, 1)); vm.addTrigger(trigger1; commit;


2014/04/06 0

VM log dialog show correct process list for windows VM

VM log dialog show correct process list for windows VM.


2014/03/28 0

Cinders use LV Name as the volume ID

Cinders use LV Name as the volume ID


2014/02/28 2

Titan dev status 2014/02/24

watching youtube in remote window is smooth. Video recording function need to be enhance, at least add basic searching


2014/02/25 0

Restart server+cinder

When you restart the cinder node, make sure all your VG drives are up before starting tgt and cinder-volumne service. You can type “pvdisplay” command to see if there anything. Otherwise the cinder will still up and show you the storage volume, but you can’t start any vm by “nova boot”.


2014/02/09 0

The titan design should reference to this

I should learn this before design the titan further


2014/02/06 0

dev update


2014/02/04 0

Ribbon bar is better

Ribbon bar is better. Original design put the major buttons on the LHS, but it grabs space than the tree (describe the openstack architecture). Also the original design put all the function buttons on the bottom, it is better to put it on the ribbon bar that on the top. In ribbon bar, major button…
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2014/01/30 1

Availability zone in titan

Availability zone in titan, will work out this in chinese new year holiday.


2014/01/29 1

openstack VM hang up after changed screen solution

openstack VM hang up after changed screen solution, i tried to change the screen resolution from 1280×1024 to 800×600, the screen just size down, but the VM is hang. It is completely hang because i can’t even ping/ssh to that VM. Do you know the reason?


2014/01/21 0

slow ssh connect to host from openstack vm

if you having a slow-login problem when you are trying to connect ssh from the openstack vm to the outside world. This will solve the issue: Edit /etc/nsswitch.conf , change “hosts: files mdns4_minimal [NOTFOUND=return] dns mdns4” to “hosts: files dns”, no need to restart anything, ssh login prompt will come out quickly.


2014/01/18 0

titan agent is working!

titan agent is working! it is written in java, sending back the server status (cpu/mem/etc…) back to titan server in json form.


2014/01/15 0

VM process window, i think this will be good enough

Still working on the VM process window, I want titan user able to see clearly inside VM. In this window, the chart will show the cpu/memory usage of that VM. I will enhance it to: 1. When select a process on the bottom, the chart will show the cpu usage only to that process. This…
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2014/01/13 0

openstack vm can’t access interest (solved)

Here is my home openstack lab, if you follow the openstack official guideĀ to try openstack, your environment will be pretty similar than mine. I met a trouble: my openstack vm can’t access internet. Here is how to solve it: My environment is: 1) I got a broadband line, connected to the gateway server, the gateway…
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2014/01/08 0

Instance chart

You can now select a VM, click the “log” button on the bottom, you can see vm’s cpu/memory chart.


2014/01/08 0

you can start nova in this way

When you failed to start nova-network or nova-compute by command “service nova-compute start”, the log will has nothing. But you can solve this by “service nova-compute start && ps aux|grep nova-compute”, this command will list out the command line to start nova-compute, just paste that into your terminal, now your nova-compute is running directly rather…
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2014/01/07 0