On Fri, Feb 4, 2011 at 10:35 AM, Luigi Fortunati <luigi.fortun...@gmail.com>wrote:
> To Siva: > As far as I know you can connect to the ESXi Server in three ways: > > libvirt and virsh (the way of OpenNebula-VMWare Driver): > The VMWare Driver of OpenNebula uses virsh commands (which relies on > libvirt) to access some hypervisor functionalities. You can use directly > virsh commands to test what libvirt is capable of by using this command: > virsh -c esx://[<user>@]<hostname of hypervisor>/?no_verify=1 > Then you'll get a password prompt. > you can use "root" as user. no_verify=1 disables check on certificates. > You can find other useful infos here: http://libvirt.org/drvesx.html > > If OpenNebula can't connect you'll probably notice some error messages on > the logs. > Take a look in var/oned.log and var/<vm id>/vm.log and post the errors, > otherwise check the installation steps in the VMWare Driver section of the > documentation. > I remember that you have to configure a username and password in a file in > order to let OpenNebula connect to hypervisors through virsh. > > VMWare API (vSphere Client): > ESXi hosts come with a public API developed by VMWare for accessing > hypervisor functionalities: > http://www.vmware.com/support/developer/vc-sdk/visdk400pubs/ReferenceGuide/ > I think that libvirt actually uses ver. 2.5 of those APIs. > vSphere Client most probably connects to the hypervisor using those API > (probably the latest version of the latter). > > Shell: > You have to enable access to the shell through VSphere Client. > As far as I know it is only possible to make ssh access with the root > credentials, even if you created other users and modified /etc/passwd file > to set a shell for the user. > > On Fri, Feb 4, 2011 at 7:33 AM, Siva Prasad <myknowinm...@gmail.com>wrote: > >> Hi >> >> Can you please let me know how are you able to connect to ESXI Server.I >> tried the same but got the error "connection refused". >> >> Please let me know the detail steps. >> >> Thanks, >> Siva >> >> On Thu, Feb 3, 2011 at 9:40 PM, Luigi Fortunati < >> luigi.fortun...@gmail.com> wrote: >> >>> Hi, >>> I noticed a serious problem about the usage of VMWare ESXi 4.1 and >>> OpenNebula 2.0.1. >>> I'm actually using the VMWare driver addon which can be found on the >>> opennebula website (ver. 1.0) and libvirt (ver. 0.8.7). >>> It happens that OpenNebula can't get information about the usage of >>> resources on the cluster nodes. >>> By running 2 VM (each one requires 2 VCPU and 1 GB of memory) and >>> executing some commands I get this output. >>> >>> oneadmin@custom2:~/src$ onehost list >>> ID NAME CLUSTER RVM TCPU FCPU ACPU TMEM FMEM >>> STAT >>> 2 custom7.sns.it default 0 200 200 200 2G 0K >>> off >>> 1 custom6.sns.it default 2 200 200 200 2G 0K >>> on >>> oneadmin@custom2:~/src$ onehost show 1 >>> HOST 1 INFORMATION >>> >>> ID : 1 >>> NAME : custom6.sns.it >>> CLUSTER : default >>> STATE : MONITORED >>> IM_MAD : im_vmware >>> VM_MAD : vmm_vmware >>> TM_MAD : tm_vmware >>> >>> HOST SHARES >>> >>> MAX MEM : 2096460 >>> USED MEM (REAL) : 0 >>> USED MEM (ALLOCATED) : 0 >>> MAX CPU : 200 >>> USED CPU (REAL) : 0 >>> USED CPU (ALLOCATED) : 0 >>> RUNNING VMS : 2 >>> >>> MONITORING INFORMATION >>> >>> CPUSPEED=1992 >>> HYPERVISOR=vmware >>> TOTALCPU=200 >>> TOTALMEMORY=2096460 >>> >>> As you can see OpenNebula is unable to get correct information about the >>> usage of resources on the cluster nodes. >>> As these informations are used by the VM scheduler, OpenNebula is unable >>> to schedule the VM correctly. >>> I tried to create several VM and all of them were placed on the same host >>> even if the latter was unable to satisfy the resource requirements of all >>> the VMs. >>> I think that this problem is strongly related to libvirt as OpenNebula >>> use it to recover information about hosts and vm. >>> >>> Do you get the same behavior? Do you know if there is a way to solve this >>> big issue? >>> >>> -- >>> Luigi Fortunati >>> >>> _______________________________________________ >>> Users mailing list >>> Users@lists.opennebula.org >>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org >>> >>> >> > > > -- > Luigi Fortunati > -- Luigi Fortunati
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