Thank you very much - I will try to follow your hints and let you know! Marek
2016-02-19 13:26 GMT+01:00 Pallavi Rao <[email protected]>: > Mark, > We have been deploying Falcon on our Production systems by just doing stop, > upgrade, start. Haven't faced issues so far. In case of issues, rollback is > also as simple as stop, install older version, start. > > We haven't really tested running 2 Falcon versions of Falcon Server > simultaneously on a single machine. If you do, there might be some > conflicts in terms of both instances trying to write to config store, HDFS > locations, etc. > > Regards, > Pallavi > > On Fri, Feb 19, 2016 at 5:46 PM, pragya mittal <[email protected]> > wrote: > > > Hi Mark, > > > > To maintain entities there you can configure the config-store property in > > startup.properties: > > # Location to store user entity configurations > > *.config.store.uri=file://${falcon.home}/data/${falcon.app.type}-store > > > > (I usually maintain a standard location to store entity configs and point > > all my falcon to the same store) > > > > After this it is pretty straight-forward. This is how you can migrate > from > > one falcon version to another : > > > > 1. Stop the old falcon instance. Install Falcon 0.9 on the same cluster > as > > the old one. Maintain the config-store property as defined above (in > prism > > as well as server) > > 2. Start falcon-0.9 and you should be able to list your entities. > Consider > > re-runing any failed/killed instances if required. > > > > Note : > > Two servers of falcon cannot co-exist in the same cluster as of now. > > > > There is no documentation as of now. We will consider adding the same. > > > > Thanks, > > Pragya Mittal > > > > On Fri, Feb 19, 2016 at 10:14 AM, Marek Wiewiorka < > > [email protected] > > > wrote: > > > > > Hi All - I've basically a question related to migration of entities > > between > > > Falcon versions. > > > I would like to upgrade Falcon from an old version to 0.9 by following > > such > > > an procedure: > > > > > > 1)Install Falcon 0.9 on the same cluster as the old one (and have them > > both > > > running at the same time)- 2 questions arise: > > > a)is it possible at all and if so what should be configured: ports, > > > anything else? > > > b)how to backup the existing entities definition? > > > > > > 2) test a few of the processes using the new Falcon > > > 3)migrate all of the processes to the new Falcon > > > 4)Decommission the old Falcon installation > > > > > > Is there any document describing a migration procedure? > > > The most import question for me now is the first one - how to run > > temporary > > > 2 falcon instances > > > on the same cluster for testing purposes? Is it safe? > > > > > > Many thanks in advance for any hints. > > > > > > Marek > > > > > > > -- > _____________________________________________________________ > The information contained in this communication is intended solely for the > use of the individual or entity to whom it is addressed and others > authorized to receive it. It may contain confidential or legally privileged > information. If you are not the intended recipient you are hereby notified > that any disclosure, copying, distribution or taking any action in reliance > on the contents of this information is strictly prohibited and may be > unlawful. If you have received this communication in error, please notify > us immediately by responding to this email and then delete it from your > system. The firm is neither liable for the proper and complete transmission > of the information contained in this communication nor for any delay in its > receipt. >
