From: "Simone Tiraboschi" <stirabos(a)redhat.com&gt; To: "Mike" <ovirt(a)theinternet.org.uk&gt; Cc: users(a)ovirt.org Sent: Friday, February 20, 2015 4:14:58 PM Subject: Re: [ovirt-users] self hosted engine add second host - maintenance mode needed? ----- Original Message ----- > From: "Mike" <ovirt(a)theinternet.org.uk&gt; > To: users(a)ovirt.org > Sent: Thursday, February 19, 2015 10:15:10 PM > Subject: [ovirt-users] self hosted engine add second host - maintenance > mode needed? > > Hi > > Got a running self hosted install with VMs running on the host, now > adding a second host to get ha for the engine & VMs. Do I need to put > the engine into maintenance mode before running hosted-engine --deploy > on new host node? No, it's not explicitly needed. The HA for the engine VM is ensured by the oVirt HA agent on each host. HA for other VMs can be ensured by the engine if needed.