The current way of altering secondary storage is error prone. So +1 to your maintenance proposal.
We don't store any checksums for the images we backup to secondary storage in our db today. So I'm interested to know how, when we bring up the new secondary storage we ensure consistency with previous (state of?) secondary storage that has been switched over. -- Prasanna., On Thu, May 30, 2013 at 10:54:46PM +0200, Daan Hoogland wrote: > Alez, > > This api call would then have to check if the new secondary storage > contains a compatible set of data in comparison to the prior one, would it? > Or do I misunderstand the procedure? > Regards, > On 30 May 2013 22:25, "Alex Huang" <alex.hu...@citrix.com> wrote: > > > Daan, > > > > We have a procedure for doing that. The problem in general has to do with > > the large capacity of the secondary storage so it's actually better to do > > migration of data outside of cloudstack with some manual process in stages > > and then just fix up the secondary storage in the database. > > > > I do agree having an API to do these fixups are better than direct > > database manipulations. > > > > --Alex > > > > > -----Original Message----- > > > From: Daan Hoogland [mailto:daan.hoogl...@gmail.com] > > > Sent: Thursday, May 30, 2013 11:39 AM > > > To: dev > > > Subject: Re: maintenance mode for secondary storage? > > > > > > Yes Chiradeep, > > > > > > That or maintenance on the secondary storage machine itself. > > > > > > > > > On Thu, May 30, 2013 at 7:46 PM, Chiradeep Vittal < > > > chiradeep.vit...@citrix.com> wrote: > > > > > > > I can see a use for that: that the secondary storage becomes read-only > > > > during the maintenance (so no template creation/snapshots/etc). This > > > > allows for stuff like migration to new (file server) hardware. > > > > > > > > On 5/30/13 10:20 AM, "Nitin Mehta" <nitin.me...@citrix.com> wrote: > > > > > > > > >Not that I have heard of. You can at best replace the sec. storage > > > > >(there is a manual procedure for that), but since generally there is > > > > >a single sec. storage how can you implement maintenance mode ? > > > > >Can you please explain is your use case ? > > > > > > > > > >On 30/05/13 7:32 PM, "Daan Hoogland" <dhoogl...@schubergphilis.com> > > > > wrote: > > > > > > > > > >>LS, > > > > >> > > > > >>Has there ever been discussion about implementing maintenance mode > > > > >>for secondary storage? And are people thinking about this? > > > > >> > > > > >>thanks > > > > >>Daan Hoogland > > > > > > > > > > > > > > > ------------------------ Powered by BigRock.com
