NFS primary storage also on your management server? On Sat, 26 Jun 2021 at 10:36, Brian Fitzpatrick <b.fitzpatr...@chester.ac.uk> wrote:
> Hi Jordan, > > Thanks for your reply. Apologies I might not have been clear. > > The management server is aware of the vm and when I set the host that is > also the same server that is running the management server (and mysql) into > maintenance mode, I can see it not longer has any running vms on it. They > have migrated to other hosts. Cloud stack can see them. Bu when I then to > an apt update and reboot the management server, the vms on the other hosts > seem to have shutdown. > > The reboot did take a while (15-20 mins), but I am surprised that it has > affected other kvm hosts, which I thought should just carry on running. > Unless I have missed something that was still on the management(and mysql) > server. > > Thanks > > Brian > > -----Original Message----- > From: Yordan Kostov <yord...@nsogroup.com<mailto: > yordan%20kostov%20%3cyord...@nsogroup.com%3e>> > Reply-To: users@cloudstack.apache.org<mailto:users@cloudstack.apache.org> > To: users@cloudstack.apache.org <users@cloudstack.apache.org<mailto:% > 22us...@cloudstack.apache.org%22%20%3cus...@cloudstack.apache.org%3e>> > Subject: RE: Management server reboot appears to cause vms on other hosts > to shutdown? > Date: Fri, 25 Jun 2021 09:10:44 +0000 > > > CAUTION ! > > > This email was NOT sent using a University of Chester account, so we are > unable to verify the identity of the sender. Do not click links or open > attachments unless you recognise the sender and know the content is safe. > > > ===== > > > > Hello Brian, > > > May be I did not understand very well but from what you say I get > that the management server + SQL and NFS are on the same physical hosts > that are being managed by cloudstack? > > If those VMs are not visible in Cloudstack, the system is not > aware that they exist so it wont try to roll them to another host if you > perform hypervisor host reboot. > > > Best regards, > > Jordan > > > -----Original Message----- > > From: Brian Fitzpatrick < > > <mailto:b.fitzpatr...@chester.ac.uk> > > b.fitzpatr...@chester.ac.uk > > > > > Sent: Friday, June 25, 2021 12:06 PM > > To: > > <mailto:users@cloudstack.apache.org> > > users@cloudstack.apache.org > > > Subject: Management server reboot appears to cause vms on other hosts to > shutdown? > > > > [X] This message came from outside your organization > > > > Hi all, > > > Still relatively new to CloudStack and learning, testing etc. > > > I have created 1 management server with mysql on it and created 2 clusters > with a nfs primary storage server in each and a number of hosts in each. > > > I have been working through the servers, putting them in maintenance mode > (noting the vm migrations), updating and rebooting them. All working fine > > > I then wanted to update and reboot the server running the management and > mysql. It is also a host, so I set it in maintenance mode so no vms running > on it. > > > I thought if I update it and reboot, all I would lose for a period of time > was access to the management server, the vms should keep running on their > various hosts > > > The reboot, took longer than usual, it seemed to hang for 15-20mins before > shutting down and rebooting. To my surprise though I lost contact to all > the vms on the other hosts. > > > They all shut down. > > > Apologies, if I have missed something here, I thought I understood. All > virtual routers and system vms appeared to be running on the other hosts. > > > Is it because the management server took a while to reboot, the other > hosts have lost contact and shutdown their vms? seems odd? > > > Any suggestions, help welcome. As I say, still learning! > > > Thanks > > > Brian > -- Andrija Panić
