Re: [Users] Designate Master Storage Domain

On 08/15/2013 06:18 AM, Dead Horse wrote: > Is there any method of designating which domain should be the master > storage domain or forcibly changing the role to a different storage > domain? > > EG: Given the following example > > Storage Domain A (Master) --> NFS --> Storage Server 1 > Storage Domain B --> NFS --> Storage Server 2 > > One wants to do maintenance to Storage Server 1 but in doing so the > Master storage domain is hosted from Storage Server 1. Thus the net > result of taking down Storage Server 1 is that one must also take down > Storage Server 2. > > Thus we know we must shut down VM's from Storage Domain A to maintenance > Storage Server 1. Suppose however that VM's are running that we don't > want to shut down and are hosted from Storage Domain B via Storage Server > 2. > > We would want to be able to promote Storage Domain B to Master so that > we can take down Storage Domain A to do maintenance to Storage Server 1. > > Once we are done with maintenance to Storage Server 1 we can bring > Storage Domain A back on line, re-designate it as Master if desired and > bring it's VM's back online. > > I know I have seen this occur automatically to a point when a Storage > Domain goes missing that is the Master Domain but I have not noted any > manual method of doing so given the above scenario. > > - DHC > > > ______________________________**_________________ > Users mailing list > Users(a)ovirt.org > http://lists.ovirt.org/**mailman/listinfo/users<http://lists.ovirt.org... > > my understanding is you can move the storage domain A which is master to maint. engine will promote storage domain B to master and everything should continue working as is.