[Users] Correct order to bring the rhevm and rhevh down and then up

[Itamar Heim]

On 03/30/2013 11:55 AM, Harjit Sachar wrote:
> i have 2 physical machines
> physical machine 1 ( base os + (storage server vm) + (rhevm+dns) +
> windows 2008 AD server )
> physical machine 2 (rhevh)
> kindly update what is the correct order to bring the machines down and
> then up, because whenever i bring the machines up the master
> domain(iscsi) is not found
> my current order is ,
> 1) place storage domain in maintenance
> 2) place rhevh in maintainence
> 3) power off the storage vm
> 4) power off rhevh
>
>
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there shouldn't be any limitation on the order in which you bring these 
nodes down and up, and all entities should recover/detect[1] when things 
get back online.

to avoid error statuses in engine, you should move relevant entity to 
maint before switching it off.
so SD --> maint, storage VM --> down
host --> maint, host --> down

activation order would be reverse.
if something doesn't work, logs/more info is needed.

[1] auto recovery will depend on the version you have.