hi, Any idea?
2013/5/31 Wido den Hollander <w...@widodh.nl> > On 05/31/2013 11:02 AM, Nguyen Anh Tu wrote: > >> Hi forks, >> >> I'm looking for a Disaster Recovery solution on CS. Looking around I found >> an article showing some great informations but not enought. Personally I >> think: >> >> + Host: CS already implemented migration, which can move VMs to another >> pearful host >> + Database: we have replication >> > > Replication is not enough. Your database with CloudStack is key, it's your > most precious metadata, so make sure you have GOOD, very good backups of it. > > The best would be a dump of the database every X hours and have binary > logs as well to be able to go into into point in time with your database. > > > + Management Server: we can use multi MS >> + Primary Storage: it's the important component when Disaster Recovery >> happen. It contains ROOT and DATA volumes and nobody happy if they're >> lost. >> We need mirror (or replicate) solution here. Many distribute file system >> can help (GlusterFS, Ceph, Hadoop..). An interesting solution I found on >> XenServer is Portable SR, which make the SR become fully self-contained. >> We >> can detach it and re-attach to a new host. Nothing lost. >> > > CloudStack can't tell you anything about how safe the data is on your > primary storage, so you just want to make sure you never loose data on it. > > Ceph is a great example (I'm a big time fan!) of how you can store your > data on multiple machines. But even when not using Ceph, just make sure you > don't loose data on it. > > ZFS with zfs send|receive is a great way to backup your data to a > secondary location in case something goes wrong and you need to restore. > > Wido > > > + Secondary Storage: Easy to backup. >> >> How do you think? Did you have a plan to do Disaster Recovery? >> >> Thanks, >> >> > -- N.g.U.y.e.N.A.n.H.t.U