> > This is interesting. If you reinstall the VM, you cannot expand its hardware > resource. > > How does OnApp do this ? > > It allow scale up or down by even 1mb of ram for each vm, also many vps > solutions even support that, e.g solusvm. > > So you can adjust resource court by 1mhz of CPU or 1mb of ram etc, by that > way customer are able to scale up or down their vms.
So that's more like virtual machine management software that you can specify CPU/Memory with a value when you creating it? And next time you reboot it, you can re-edit the value? > > > >>>> > >>>> Just my 2 cents. > >>>> > >>>> On Mon, Jul 23, 2012 at 11:24 PM, Frank Zhang > >>>> <[email protected]> > >>>> wrote: > >>>>> > >>>>>> > >>>>>> Hi > >>>>>> > >>>>>> As traditional understanding of re-install means you re-install > >>>>>> OS just like you do with a physical server. > >>>>>> > >>>>>> So you changed the OS while keeped all your IPs, hardwares > >> unchanged. > >>>>>> > >>>>>> in case of VM, for example, we want to reinstall a centos 5.6 vm > >>>>>> to a centos > >>>>>> 6.2 template(not iso), seems there is no way to do it but > >>>>>> destory- > >> recreate. > >>>>> > >>>>> This is actually how cloud works. You can recreate a new VM from > >>>>> the same service offering, so you hardware not changed apart from > >>>>> IP address. But I didn't see it will affect your business in > >>>>> terms of ip address change. If it did, you will re-consider your > >>>>> deploy plan as your services should be behind a load balancer or > >>>>> DNAT where your > >>>> internal ip addresses not exposed to clients. > >>>>> If your services rely on static network, for example, distributed > >>>>> software using TCP to do discovery must know ip address of all > >>>>> nodes, you have to change the configuration manually (However, a > >>>>> sophisticated design should have a configuration repo centrally, > >>>>> that would > >>>> ease the task of upgrading each node). > >>>>> By nature of cloud, static network is not a main concern > >>>>> currently, the ip address allocation should be handled by machine, not > human. > >>>>> > >>>>> > >>>>> > >>>>>> > >>>>>> On Mon, Jul 23, 2012 at 10:53 PM, Anthony Xu > >>>>>> <[email protected]> > >>>> wrote: > >>>>>>> Can you elaborate what's re-install? > >>>>>>> > >>>>>>> Re-install from the same ISO or different ISO? > >>>>>>> What's the difference from installing a new VM from ISO? > >>>>>>> > >>>>>>> In CloudStack , VM is not OS agnostic for some hypervisors. > >>>>>>> CloudStack > >>>>>> needs to track the VM OS type. > >>>>>>> If CloudStack allows installing from ISO for an existing VM, it > >>>>>>> may lose the > >>>>>> OS type VM information. > >>>>>>> > >>>>>>> > >>>>>>> Anthony > >>>>>>> > >>>>>>>> -----Original Message----- > >>>>>>>> From: Lu Heng [mailto:[email protected]] > >>>>>>>> Sent: Monday, July 23, 2012 12:09 PM > >>>>>>>> To: [email protected] > >>>>>>>> Subject: Re: Re-install VM > >>>>>>>> > >>>>>>>> Hi > >>>>>>>> > >>>>>>>> Thanks for replying > >>>>>>>> > >>>>>>>> And why there is no simple re-install options? > >>>>>>>> > >>>>>>>> Sounds to me re-install options like tranditional VPS have will > >>>>>>>> make life lot ealier than the way you have descriped > >>>>>>>> > >>>>>>>> On Mon, Jul 23, 2012 at 8:45 PM, Anthony Xu > >>>>>>>> <[email protected]> > >>>>>>>> wrote: > >>>>>>>>> There is no re-install option. > >>>>>>>>> You can create a snapshot after you install a VM from ISO, > >>>>>>>>> then you > >>>>>>>> can create a template from this snapshot, then you can create a > >>>>>>>> VM from the template, the VM should like a freshly reinstalled > VM. > >>>>>>>>> > >>>>>>>>> Anthony > >>>>>>>>> > >>>>>>>>>> -----Original Message----- > >>>>>>>>>> From: Lu Heng [mailto:[email protected]] > >>>>>>>>>> Sent: Monday, July 23, 2012 9:25 AM > >>>>>>>>>> To: [email protected] > >>>>>>>>>> Subject: Re-install VM > >>>>>>>>>> > >>>>>>>>>> Hi > >>>>>>>>>> > >>>>>>>>>> We are using CS 3.0.1 and XENSERVER, seems to me there is no > >>>>>>>>>> where I can find a re-install option for the VM, does that > >>>>>>>>>> means if we want > >>>>>>>> to > >>>>>>>>>> re-install the system, we either need to do it manually by > >>>>>>>>>> console with ISO or we have to destroy it and create a new one? > >>>>>>>>>> > >>>>>>>>>> -- > >>>>>>>>>> -- > >>>>>>>>>> Kind regards. > >>>>>>>>>> Lu > >>>>>>>>>> > >>>>>>>>>> This transmission is intended solely for the addressee(s) > >>>>>>>>>> shown > >>>>>>>> above. > >>>>>>>>>> It may contain information that is privileged, confidential > >>>>>>>>>> or otherwise protected from disclosure. Any review, > >>>>>>>>>> dissemination or > >>>>>>>> use > >>>>>>>>>> of this transmission or its contents by persons other than > >>>>>>>>>> the intended addressee(s) is strictly prohibited. If you have > >>>>>>>>>> received this transmission in error, please notify this > >>>>>>>>>> office immediately > >>>>>>>> and > >>>>>>>>>> e-mail the original at the sender's address above by replying > >>>>>>>>>> to > >>>>>>>> this > >>>>>>>>>> message and including the text of the transmission received. > >>>>>>>> > >>>>>>>> > >>>>>>>> > >>>>>>>> -- > >>>>>>>> -- > >>>>>>>> Kind regards. > >>>>>>>> Lu > >>>>>>>> > >>>>>>>> This transmission is intended solely for the addressee(s) shown > >> above. > >>>>>>>> It may contain information that is privileged, confidential or > >>>>>>>> otherwise protected from disclosure. Any review, dissemination > >>>>>>>> or use of this transmission or its contents by persons other > >>>>>>>> than the intended addressee(s) is strictly prohibited. If you > >>>>>>>> have received this transmission in error, please notify this > >>>>>>>> office immediately and e-mail the original at the sender's > >>>>>>>> address above by replying to this message and including the > >>>>>>>> text of > >> the transmission received. > >>>>>> > >>>>>> > >>>>>> > >>>>>> -- > >>>>>> -- > >>>>>> Kind regards. > >>>>>> Lu > >>>>>> > >>>>>> This transmission is intended solely for the addressee(s) shown > above. > >>>>>> It may contain information that is privileged, confidential or > >>>>>> otherwise protected from disclosure. Any review, dissemination or > >>>>>> use of this transmission or its contents by persons other than > >>>>>> the intended addressee(s) is strictly prohibited. If you have > >>>>>> received this transmission in error, please notify this office > >>>>>> immediately and e-mail the original at the sender's address above > >>>>>> by replying to this message and including the text of the > transmission received. > >>>> > >>>> > >>>> > >>>> -- > >>>> -- > >>>> Kind regards. > >>>> Lu > >>>> > >>>> This transmission is intended solely for the addressee(s) shown above. > >>>> It may contain information that is privileged, confidential or > >>>> otherwise protected from disclosure. Any review, dissemination or > >>>> use of this transmission or its contents by persons other than the > >>>> intended addressee(s) is strictly prohibited. If you have received > >>>> this transmission in error, please notify this office immediately > >>>> and e-mail the original at the sender's address above by replying > >>>> to this message and including the text of the transmission received. > >> > >> > >> > >> -- > >> -- > >> Kind regards. > >> Lu > >> > >> This transmission is intended solely for the addressee(s) shown above. > >> It may contain information that is privileged, confidential or > >> otherwise protected from disclosure. Any review, dissemination or use > >> of this transmission or its contents by persons other than the > >> intended addressee(s) is strictly prohibited. If you have received > >> this transmission in error, please notify this office immediately and > >> e-mail the original at the sender's address above by replying to this > >> message and including the text of the transmission received.
