[ClusterLabs] Antw: Ordering constraint restart second resource group

[Andrei Borzenkov]

17.08.2015 02:26, Andrew Beekhof пишет:
>
>> On 13 Aug 2015, at 7:33 pm, Andrei Borzenkov <arvidjaar at gmail.com> wrote:
>>
>> On Thu, Aug 13, 2015 at 11:25 AM, Ulrich Windl
>> <Ulrich.Windl at rz.uni-regensburg.de> wrote:
>>> And what exactly is your problem?
>>
>> Real life example. Database resource depends on storage resource(s).
>> There are multiple filesystems/volumes with database files. Database
>> admin needs to increase available space. You add new storage,
>> configure it in cluster ... pooh, your database is restarted.
>
> “configure it in cluster” hmmm
>
> if you’re expanding an existing mount point, then I’d expect you don’t need to update the cluster.
> if you’re creating a new mount point, wouldn’t you need to take the db down in order to point to the new location?
>

No. Those database I worked with can use multiple storage locations at 
the same time and those storage locations can be added (and removed) online.