Hi, Answer inline On Thu, Jun 8, 2017 at 1:07 PM, Stefano Bovina <[email protected]> wrote:
> Hi, > does a storage best practise document for oVirt exist? > > > Some examples: > > oVirt allows to extend an existing storage domain: Is it better to keep a > 1:1 relation between LUN and oVirt storage domain? > What do you mean by 1:1 relation? Between storage domain and the number of LUNs the domain reside on? > If not, is it better to avoid adding LUNs to an already existing storage > domain? > No problems with storage domain extension. > > Following the previous questions: > > Is it better to have 1 Big oVirt storage domain or many small oVirt > storage domains? > Depends on your needs, be aware to the following: - Each domain has its own metadata which allocates ~5GB of the domain size. - Each domain is being constatntly monitored by the system, so large number of domain can decrease the system performance. There are also downsides with having big domains, like less flexability > There is a max num VM/disks for storage domain? > > > In which case is it better to use "direct attached lun" with respect to an > image on an oVirt storage domain? > > > Example: > > Simple web server: ----> image > Large database (simple example): > - root,swap etc: 30GB ----> image? > - data disk: 500GB -----> (direct or image?) > > Regards, > > Stefano > > _______________________________________________ > Users mailing list > [email protected] > http://lists.ovirt.org/mailman/listinfo/users > >
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