Itamar this is true (I have noted occasional timing issues with it actually working). But what if as the administrator I have a specific storage domain in mind that I would like to have become the master (in the case of more then two)?
@Karli The idea is not to not have to shut down all the VM's or the engine just to maintenance a storage domain(s) that may happen to be on disparate storage servers . - DHC On Thu, Aug 15, 2013 at 9:37 AM, Itamar Heim <[email protected]> wrote: > 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 >> [email protected] >> http://lists.ovirt.org/**mailman/listinfo/users<http://lists.ovirt.org/mailman/listinfo/users> >> >> > 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. >
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