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Thanks Ruben,<div><br></div><div>you clue helped me.</div><div>Although I changed xen.rb to </div><div><span class="Apple-style-span" style="color: rgb(25, 38, 102); font-size: 11px; "><pre class="wiki" style="min-height: 1px; background-image: initial; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: rgb(247, 247, 247); border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: rgb(215, 215, 215); border-right-color: rgb(215, 215, 215); border-bottom-color: rgb(215, 215, 215); border-left-color: rgb(215, 215, 215); margin-top: 1em; margin-right: 1.75em; margin-bottom: 1em; margin-left: 1.75em; padding-top: 0.25em; padding-right: 0.25em; padding-bottom: 0.25em; padding-left: 0.25em; overflow-x: auto; overflow-y: auto; background-position: initial initial; ">when 'max_free_memory'
memory_info[:free]=columns[1].to_i*1024</pre></span></div><div>but realized that it was failing and then I found out that my "xm info" does not have max_free_memory (probably I have an older version of xen .. maybe buggy-version).</div><div>so changed it to (total_memory - min_size_of_dom0).</div><div>of-course, its a blunder and I need to find a better fix for that, but for now it works ... probably you can suggest a fix to me.</div><div><br></div><div>currently the minimal setup is up and working, though I am facing some difficulty in suspending and resuming the VMs and in performing live migration the VMs. But that I think is not because of nebula, but is some trouble with xen.</div><div><br></div><div>thanks again,</div><div>-upendra</div><div> <br><br>> Date: Sun, 1 Feb 2009 13:22:42 +0100<br>> From: rubensm@dacya.ucm.es<br>> Subject: Re: [one-users] unable to start a VM<br>> To: upendras@hotmail.com; users@lists.opennebula.org<br>> <br>> OK,<br>> Yes, I agree that there should be an error message regarding the <br>> misconfiguration with sudo. <br>> <br>> Regarding the pending VM: your hosts report 128MB of Free Memory, an the <br>> TestVM needs 256MB. This is probably because of you are using ballooning with <br>> Xen. In this case, you can easily solve this, see:<br>> <br>> http://trac.opennebula.org/ticket/54<br>> <br>> This bug affects ballooning configurations in 1.0. Unfortunately, the patch is <br>> not in 1.2.<br>> <br>> You can get more info about scheduling in the sched.log file (that one is C++ <br>> ;)).<br>> <br>> Cheers<br>> <br>> Ruben<br>> <br>> On Sunday 01 February 2009 07:08:15 you wrote:<br>>> Thanks Ruben,<br>>><br>>> I eventually debugged that problem, but the VM is still not running<br>>><br>>> What was the problem with "onehost list"?<br>>> I found out that my sudo on destination machines (obelix41 and obelix43)<br>>> required tty. So I disabled it (visudo and comment out requiretty) and now<br>>> the result is as shown below onehost list<br>>> HID NAME RVM TCPU FCPU ACPU TMEM FMEM<br>>> STAT 0 obelix43 0 800 799 800 4192256 130048 <br>>> on 1 obelix41 0 800 799 800 4192256 130048 <br>>> on The Surprising thing is that although sudo was not working remotely<br>>> there was no error reported in oned.log. Anyways, that seems to be clean<br>>> now .... but the problem still remains.<br>>><br>>> My VM is always on the STATUS of pending.<br>>><br>>> onevm list<br>>> ID NAME STAT CPU MEM HOSTNAME TIME<br>>> 3 TestVM pend 0 0 00 00:10:13<br>>><br>>> I do not know what is happening now. None of the logs report any error. Is<br>>> there is quick fix which you know (the fact is that I do not know ruby).<br>>> do you think that since this is a beta version so I have unearthed some<br>>> untested portion of code and I should switch to the stable version, i.e.<br>>> 1.0?<br>>><br>>> thanks,<br>>> -upendra<br>>><br>>>> Date: Sun, 1 Feb 2009 00:43:51 +0100<br>>>> From: rubensm@dacya.ucm.es<br>>>> Subject: Re: [one-users] unable to start a VM<br>>>> To: users@lists.opennebula.org<br>>>> CC: upendras@hotmail.com<br>>>><br>>>> Hi<br>>>> It seems that the VMs are not deployed because the obelix nodes are not<br>>>> reporting their status. From the onehost output, you can see that they do<br>>>> not have any Available CPU (ACPU)<br>>>><br>>>> This is usually a problem with ssh. You should have access two the nodes<br>>>> without being prompt for a password. So at the front-end:<br>>>> $ssh obelix41<br>>>> should give you a shell at obelix41 (without asking nothing).<br>>>><br>>>> You can get more details in oned.log. There should be something related<br>>>> to ERROR Monitoring obelix...<br>>>><br>>>> Cheers<br>>>><br>>>> Ruben<br>>>><br>>>> On Sunday 01 February 2009 00:05:11 Upendra Sharma wrote:<br>>>>> Hi,<br>>>>><br>>>>> I have downloaded OpenNebul -1.1.85<br>>>>> I have installed it on CentOS 5.2<br>>>>><br>>>>> I am trying to create a VM (using "onevm create myvm.tmp") but it<br>>>>> returns the result is that the VM creation is always pending<br>>>>><br>>>>> onevm list:<br>>>>> ID NAME STAT CPU MEM HOSTNAME TIME<br>>>>> 2 TestVM pend 0 0 00 00:00:20<br>>>>><br>>>>> onevm show TestVM<br>>>>> VID : 2<br>>>>> UID : 0<br>>>>> STATE : PENDING<br>>>>> LCM STATE : LCM_INIT<br>>>>> DEPLOY ID :<br>>>>> MEMORY : 0<br>>>>> CPU : 0<br>>>>> LAST POLL : 0<br>>>>> START TIME : 01/31 17:59:48<br>>>>> STOP TIME : 12/31 19:00:00<br>>>>> NET TX : 0<br>>>>> NET RX : 0<br>>>>><br>>>>> ....: Template :....<br>>>>> CPU : 1<br>>>>> DISK :<br>>>>> READONLY=no,SOURCE=/home/upendra/nebula/images/CentOS5.img,TARGET=sda<br>>>>> MEMORY : 256<br>>>>> NAME : TestVM<br>>>>> NIC :<br>>>>> BRIDGE=eth0,IP=192.168.245.80,MAC=00:03:c0:a8:f5:50,NETWORK=Public<br>>>>> VLAN,VNID=0 OS : BOOTLOADER=/usr/bin/pygrub<br>>>>><br>>>>><br>>>>> I do not know what is the problem. I frankly do not know where to start<br>>>>> the debugging from? Any help is appreciated.<br>>>>><br>>>>> My cluster configuration is as follows: my cluster front-end is again a<br>>>>> CentOS 5.2 machine with xen on it. I have added two more nodes on it<br>>>>> (obelix41, obelix43) onehost list<br>>>>> HID NAME RVM TCPU FCPU ACPU TMEM FMEM<br>>>>> STAT 0 obelix41 0 0 100<br>>>>> on 1 obelix43 0 0 100<br>>>>> on<br>>>>><br>>>>> Each of these machines are a quadcore dual-processor machine.<br>>>>><br>>>>> thanks,<br>>>>> -upendra<br>>>>><br>>>>> tha<br>>>>><br>>>>><br>>>>> _________________________________________________________________<br>>>>> Chose your Life Partner! Join MSN Matrimony FREE<br>>>>> http://www.in.msn.com/matrimony<br>>>><br>>>> --<br>>>> +---------------------------------------------------------------+<br>>>> Dr. Ruben Santiago Montero<br>>>> Associate Professor<br>>>> Distributed System Architecture Group (http://dsa-research.org)<br>>>><br>>>> URL: http://dsa-research.org/doku.php?id=people:ruben<br>>>> Weblog: http://blog.dsa-research.org/?author=7<br>>>><br>>>> GridWay, http://www.gridway.org<br>>>> OpenNEbula, http://www.opennebula.org<br>>>> +---------------------------------------------------------------+<br>>><br>>> _________________________________________________________________<br>>> Plug in to the MSN Tech channel for a full update on the latest gizmos that<br>>> made an impact. http://computing.in.msn.com/<br>> <br>> -- <br>> +---------------------------------------------------------------+<br>> Dr. Ruben Santiago Montero<br>> Associate Professor<br>> Distributed System Architecture Group (http://dsa-research.org)<br>> <br>> URL: http://dsa-research.org/doku.php?id=people:ruben<br>> Weblog: http://blog.dsa-research.org/?author=7<br>> <br>> GridWay, http://www.gridway.org<br>> OpenNEbula, http://www.opennebula.org<br>> +---------------------------------------------------------------+<br>> <br></div><br /><hr />Need more space to upload pictures? 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