When your host goes down, it takes sometime to trigger the HA on VMs, you can check logs for further investigations
> On 08-Apr-2021, at 12:12 PM, Vivek Kumar <vivek.ku...@indiqus.com> wrote: > > What is the status of hosts, are rest of the hosts are showing in “UP” state > in ACS GUI? > >> On 08-Apr-2021, at 12:07 PM, Дикевич Евгений Александрович >> <evgeniy.dikev...@becloud.by> wrote: >> >> Hello. Thx for answer. I configured compute offering with HA enabled in it >> and with host tag "HA", in global setting I configured ha.tag = HA, on hosts >> I placed tag HA. When I shutdown host (via IPMI) I see in XCP-NG Center than >> VMs goes down, in ACS WEB UI VMs still in status running but I can't connect >> them via console. VMs didn't migrate. >> I have 4 hosts. >> >> -----Original Message----- >> From: Vivek Kumar [mailto:vivek.ku...@indiqus.com.INVALID] >> Sent: Wednesday, April 7, 2021 9:17 PM >> To: users@cloudstack.apache.org >> Subject: [!!Mass Mail]Re: Few questions about HA and IPv6 >> >> Hello, >> >> So in case of XenServer or XCP-NG, When we configure HA on XenServer pool, >> it’s not only migrate VMs when hosts goes offline but it’s also nominate a >> new master in pool whenever your master server goes down. So cloudStack >> connect to the pool master, So You should enable HA on XenServer pool so >> that if your host goes down, it will nominate the master again. >> >> For VM HA, you should configure compute offering with HA enabled in it, So >> whenever your VM or host goes down, CloudStack keep on checking the status >> of VM and it will trigger HA on failed host and will restart VM on another >> available host. >> >> Regards >> Vivek Kumar >> Manager - Cloud & DevOps >> >> >> >>> On 07-Apr-2021, at 6:42 PM, Дикевич Евгений Александрович >>> <evgeniy.dikev...@becloud.by> wrote: >>> >>> Thx Wido for explaining about IPv6. Now MB someone can help me with HA in >>> XCP-NG + ACS? >>> >>> -----Original Message----- >>> From: Wido den Hollander [mailto:w...@widodh.nl] >>> Sent: Tuesday, April 6, 2021 1:09 PM >>> To: users@cloudstack.apache.org; Дикевич Евгений Александрович >>> <evgeniy.dikev...@becloud.by> >>> Subject: Re: Few questions about HA and IPv6 >>> >>> >>> >>> On 05/04/2021 16:27, Дикевич Евгений Александрович wrote: >>>> Hi all! >>>> I am testing ACS 4.14 with XCP-NG hypervisor in my test environment and I >>>> have few questions. >>>> I have ACS 4.14 with XCP-NG 7.6 with presetup ISCSi storage. 1st question >>>> is how to configure VM HA? I created Service Offering with "HA offer" and >>>> enabled HA on pool but when I create VM I see in VM properties in Start >>>> options "Do not restart" (HA restart priority: Do not restart). I can >>>> change it but when I reboot/stop VM it reverts back to "Do not restart". I >>>> tried to configure ha.tag but it didn't help me. Mb I should smth to do >>>> else? >>>> 2nd question is how to configure IPv6 on VM? I tried to create shared >>>> network with both IPv4 and IPv6. After I created VM I saw only IPv4 >>>> address and I couldn't get IPv6 via DHCP. Same question - Mb I >>>> should smth to do else?) >>> >>> IPv6 does not work with DHCPv6. >>> >>> You need to make sure that the Router(s) in the network are sending >>> out >>> IPv6 Router Advertisements. This will make the VMs configure their NIC >>> using SLAAC. Make sure they use the MAC address. (EUI-64). >>> >>> Now CloudStack only needs to know the IPv6 subnet (/64) for the shared >>> network and then it should just work. >>> >>> Wido >>> >>>> >>>> Внимание! >>>> Это электронное письмо и все прикрепленные к нему файлы являются >>>> конфиденциальными и предназначены исключительно для использования лицом >>>> (лицами), которому (которым) оно предназначено. 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