Answers inline -----Original Message----- From: Bryan Whitehead [mailto:[email protected]] Sent: Thursday, September 20, 2012 11:42 PM To: [email protected] Subject: Re: Multiple secondary storage
By random you mean given equal usage or some factors like that right? >> You are right. If one of the secondary storage nodes is filling up I'd hope the empty one would be weighted more in a random selection... >> Multiple secondary storage was recently added and its yet to go further >> refinement. I would assume future work would involve more sophisticated way >> of choosing sec storage depending on the consumption, usage etc. On Thu, Sep 20, 2012 at 3:11 AM, Nitin Mehta <[email protected]> wrote: > Tamas - That's not entirely correct. > All the public templates will be replicated to all the secondary storage for > redundancy but private templates would be kept in one of the randomly chosen > secondary storage. > Snapshots will be randomly copied to one of the secondary storage (the > chain of incremental snapshots are kept on the same secondary > storage.) > > > -----Original Message----- > From: Tamas Monos [mailto:[email protected]] > Sent: Thursday, September 20, 2012 3:11 PM > To: [email protected] > Subject: RE: Multiple secondary storage > > Hi, > > As far as I am aware if you are using more than one secondary storage then > the system will use both storage but will not replicate any data. > This means if your snapshot is stored on a secondary storage that is in Error > state/down then any operation related to that data (template,ISO,snapshot) > will error out/fail and there is no way to recover from it unless you bring > the storage back online or via database hack. > You will still see everything on the GUI as it does come from the database so > make sure your storages are running. Use NFS failover or redundant storage > hardware. > I'm not sure about the latest version I'm on 3.0.2 > > Regards > > Tamas Monos DDI > +44(0)2034687012 > Chief Technical Office > +44(0)2034687000 > Veber: The Hosting Specialists Fax +44(0)871 522 7057 > http://www.veber.co.uk > > Follow us on Twitter: www.twitter.com/veberhost Follow us on Facebook: > www.facebook.com/veberhost > > > -----Original Message----- > From: Bryan Whitehead [mailto:[email protected]] > Sent: 20 September 2012 09:45 > To: [email protected] > Subject: Multiple secondary storage > > If I add more than 1 secondary storage to a zone, are they all treated > different? Is there replication going on like copying templates and snapshots > between the two? > > If I have a template or snapshot on a secondary storage that is down do i > still see it in the GUI but am just unable to use it? > > -Bryan > >
