Protip: don't restart via ACS Restart VM button (since identical XML will be used as before) - do full stop /start cycle.
On Tue, Feb 19, 2019, 15:24 Ivan Kudryavtsev <kudryavtsev...@bw-sw.com wrote: > The only problem is with live migration and when cpu frequency is set to > the highest rate possible, while new cpu has lower rate. > > Other problem is when passthrough is set and cpus belong to various > families like x5600 and E5-2600 V4. Then you should avoid passthrough and > set in agent config lowest possible cpu among all cluster hosts. Next, > restart agents and restart every VM to get new cpu model. > > вт, 19 февр. 2019 г., 8:40 Ugo Vasi ugo.v...@procne.it.invalid: > >> Hi Andrija, >> is it possible to change agent.properties "on fly"? >> >> Il 19/02/19 12:59, Andrija Panic ha scritto: >> > Ugo, >> > >> > as long as the CPU flags are same or newer than the existing hosts in >> > cluster, it's 100% safe operation in regards to live migrations. >> > >> > But as Piotr said, if you are using some level of emulation of CPU model >> > (versus hos-passthrough), then you might be good even with slighly older >> > CPU on this new hosts that you want to add to a cluster. >> > >> > Do some reading around libvirt CPU model and simply just add one host >> and >> > test live migration - as simple as that. >> > >> > Kind regards, >> > >> > Andrija >> > >> > On Tue, 19 Feb 2019 at 12:39, Piotr Pisz <pi...@piszki.pl> wrote: >> > >> >> Hi Ugo, >> >> >> >> [root@cstack-1 ~]# cat /etc/cloudstack/agent/agent.properties |grep >> passt >> >> guest.cpu.mode=host-passthrough >> >> >> >> The CPU model determines everything, if you have a passthrough it will >> be >> >> difficult or not possible. >> >> But if you have emulated it is no problem (eg you set up SandyBridge >> >> everywhere). >> >> >> >> Regards, >> >> Piotr >> >> >> >> >> >> -----Original Message----- >> >> From: Ugo Vasi <ugo.v...@procne.it.INVALID> >> >> Sent: Tuesday, February 19, 2019 12:27 PM >> >> To: users@cloudstack.apache.org >> >> Subject: CPU live migration question >> >> >> >> Hi all, >> >> I would like to know if it is possible to add to an existing cluster a >> host >> >> that has the cpu different from that of the pre-existing hosts or which >> >> features must be the same. >> >> >> >> I have read around that there may be problems at the libvirt level but >> it >> >> is >> >> not clear to me which parameters must match. >> >> >> >> Thanks >> >> -- >> >> >> >> *Ugo Vasi* / System Administrator >> >> ugo.v...@procne.it <mailto:ugo.v...@procne.it> >> >> >> >> >> >> >> >> >> >> *Procne S.r.l.* >> >> +39 0432 486 523 >> >> via Cotonificio, 45 >> >> 33010 Tavagnacco (UD) >> >> www.procne.it <http://www.procne.it/> >> >> >> >> >> >> Le informazioni contenute nella presente comunicazione ed i relativi >> >> allegati possono essere riservate e sono, comunque, destinate >> >> esclusivamente >> >> alle persone od alla Società sopraindicati. La diffusione, >> distribuzione >> >> e/o >> >> copiatura del documento trasmesso da parte di qualsiasi soggetto >> diverso >> >> dal >> >> destinatario è proibita sia ai sensi dell'art. 616 c.p., che ai sensi >> del >> >> Decreto Legislativo n. 196/2003 "Codice in materia di protezione dei >> dati >> >> personali". Se avete ricevuto questo messaggio per errore, vi >> preghiamo di >> >> distruggerlo e di informare immediatamente Procne S.r.l. scrivendo all' >> >> indirizzo e-mail i...@procne.it <mailto:i...@procne.it>. >> >> >> >> >> >> >> >> >> -- >> >> *Ugo Vasi* / System Administrator >> ugo.v...@procne.it <mailto:ugo.v...@procne.it> >> >> >> >> >> *Procne S.r.l.* >> +39 0432 486 523 >> via Cotonificio, 45 >> 33010 Tavagnacco (UD) >> www.procne.it <http://www.procne.it/> >> >> >> Le informazioni contenute nella presente comunicazione ed i relativi >> allegati possono essere riservate e sono, comunque, destinate >> esclusivamente alle persone od alla Società sopraindicati. La >> diffusione, distribuzione e/o copiatura del documento trasmesso da parte >> di qualsiasi soggetto diverso dal destinatario è proibita sia ai sensi >> dell'art. 616 c.p., che ai sensi del Decreto Legislativo n. 196/2003 >> "Codice in materia di protezione dei dati personali". Se avete ricevuto >> questo messaggio per errore, vi preghiamo di distruggerlo e di informare >> immediatamente Procne S.r.l. scrivendo all' indirizzo e-mail >> i...@procne.it <mailto:i...@procne.it>. >> >>
