Hi Fausto, where can I find information about implemented and currently working functionalities?
Thank you, Giuseppe 2015-07-07 13:28 GMT+02:00 Marzi, Fausto <fausto.ma...@hp.com>: > Hi Giuseppe, Avishay, all, > > In the Company where I'm currently working on, there are 4 Engineers full > time dedicated to Freezer. > > Your consideration Avishay make totally sense. There are also other points > that probably needs to be taken in consideration for DR as: > > - Backup and restore synchronized across multiple services: > This is important, as for instance Nova depends on many other OS service > (i.e. cinder, glance, etc). > > - When users execute a backup of a VM, it is also expected that the Cinder > Volumes, the images and the users/tenants can also be point-in-time restored > > - It is important to be able to restore data, even if any one of the OS > Services is down (i.e. Keystone or Swift are not available). > > - The orchestration between Nova and Cinder to execute full VM + Cinder > backups is important > > - Have a unified API and Web UI in Horizon is also a nice to have > > These and more are the challenges that in the Freezer Team we are solving. > > Being totally honest, Freezer has been used to backup many services in a > reasonably big OpenStack instance for a year now. > However, it's only 6 months there's a dedicated Team working on it, so > many things still needs to be done. > > For any real time interaction, we are in #openstack-freezer on Freenode , > so feel free to say Hi if you are around : ) > > Contributors are most welcome. > > Thanks, > Fausto > > -------- Forwarded Message -------- > Subject: Re: [Openstack] [OpenStack] [Disaster Recovery] How can > you do > it? > Date: Tue, 7 Jul 2015 11:44:17 +0200 > From: Giuseppe Galeota <giuseppegale...@gmail.com> > To: Avishay Traeger <avis...@stratoscale.com> > CC: openstack@lists.openstack.org <openstack@lists.openstack.org> > > > > Thank you all. > What can you tell me about the following projects: > > - https://wiki.openstack.org/wiki/Raksha > - https://github.com/stackforge/freezer > > Will they become OpenStack project? > > Thanks, > Giuseppe > > 2015-07-06 21:33 GMT+02:00 Avishay Traeger <avis...@stratoscale.com > <mailto:avis...@stratoscale.com>>: > > As David mentioned, there is a spectrum of possible solutions for > disaster recovery. The solution, as always, depends on the > requirements. In disaster recovery, those requirements are > expressed as: > 1. RPO - Recovery Point Objective - "If a disaster strikes, how far > back will it set me?" > 2. RTO - Recovery Time Objective - "If a disaster strikes, how long > until my workload is up and running?" > > The answers to both are independent and can range from "Not at all" > to minutes or hours or days. > > A solution with high RPO and RTO is backup. Once in a while > transfer your images, snapshots of your VMs and volumes, and your > SQL DB to another site. If disaster strikes you can manually run > your workloads from the last backup, and you have your metadata > backed up too (keystone users/tenants, nova flavors, etc.). > > A solution with lower RPO and RTO is replication. Work is being done > in Cinder to enable continuous volume replication between storage > backends. You can put your Glance images in multiple locations or > in multi-site Swift, and replicate your DB as well. Ideally you > will be able to get to some consistent state between your data and > metadata, which is not easy. For failover, you can use Heat or some > other orchestration tool. > > There are solutions with zero RPO and RTO, where workloads run > active/active in multiple sites. There are also other solutions in > the spectrum. > > In short, the building blocks are starting to appear, but a full > solution is not yet available. > > > On Mon, Jul 6, 2015 at 8:08 PM, David Medberry > <openst...@medberry.net <mailto:openst...@medberry.net>> wrote: > > Yes. > > http://docs.openstack.org/openstack-ops/content/snapshots.html > API Image Create detailed here: > > Nova: > http://developer.openstack.org/api-ref-compute-v2.1.html > It is a snapshot of the instance's image (not of the instance's > in memory state). > > Cinder: > http://developer.openstack.org/api-ref-blockstorage-v2.html > > http://lmgtfy.com/?q=nova+image+create+api > http://lmgtfy.com/?q=cinder+snapshot+api > > > On Mon, Jul 6, 2015 at 11:02 AM, Giuseppe Galeota > <giuseppegale...@gmail.com <mailto:giuseppegale...@gmail.com>> > wrote: > > Thank you David,all, > > I would like to know if are there Nova/Cinder Rest APIs to > execute VM/volume snapshot? > > Thank you all, > Giuseppe > > 2015-07-06 18:40 GMT+02:00 David Medberry > <openst...@medberry.net <mailto:openst...@medberry.net>>: > > Giuseppe, > > A great deal of Disaster Recovery planning relies on you > / your organization to define what they mean by DR > planning. Yes, Nova snaps (instance snaps) and Cinder > snaps (volume snaps) can be used in DR. Additionally, > depending on your architecture you can utilize Swift (if > it is geo distributed, it gives you some measure of DR > resilience.) > > I'm not aware of a howto or manual on this topic though > as it varies so much based on arch and definition it's > not effective to make a generalized recommendation. > > On Mon, Jul 6, 2015 at 10:02 AM, Giuseppe Galeota > <giuseppegale...@gmail.com > <mailto:giuseppegale...@gmail.com>> wrote: > > Dear all, > how can I implement a Disaster Recovery plan in > OpenStack? Is there some project? > > Can I use the Nova/Cinder APIs to create snapshot > and upload them somewhere? > > Thanks, > Giuseppe > > _______________________________________________ > Mailing list: > > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : openstack@lists.openstack.org > <mailto:openstack@lists.openstack.org> > Unsubscribe : > > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > > > > > > _______________________________________________ > Mailing list: > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : openstack@lists.openstack.org > <mailto:openstack@lists.openstack.org> > Unsubscribe : > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > > > > > -- > *Avishay Traeger* > /Storage R&D/ > > Mobile:+972 54 447 1475 > E-mail: avis...@stratoscale.com <mailto:avis...@stratoscale.com> > > > > Web <http://www.stratoscale.com/> | Blog > <http://www.stratoscale.com/blog/> | Twitter > <https://twitter.com/Stratoscale> | Google+ > < > https://plus.google.com/u/1/b/108421603458396133912/108421603458396133912/posts> > | > Linkedin <https://www.linkedin.com/company/stratoscale> > > > > >
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