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March 16th, 2015 12:00

ViPR discovery

In ViPR discovery, how can we set a specific Discovery time per Storage Provider, say Array1 SP  happens at 12am, Array 2 SP happens at 12.30am etc. What is the default discover time (not interval)?

13 Posts

March 16th, 2015 22:00

Hi,

It is in (thank you Kleanthis for the screenshot ☺ ). Reboot needed. You can see the default values in the screenshot I assume.

Regards.

Frédérik KAPLER

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4 Posts

March 17th, 2015 06:00

Thanks for the repsonse, but don't see the sceenshot.

4 Posts

March 17th, 2015 07:00

Thanks for the response. I saw the screenshot, which shows the discovery interval. However, my question was how do I know at What time the disocvery is being initiated and is there a way to change to specific discovery time ?

179 Posts

March 17th, 2015 07:00

HI Vivek,

the screenshot is attached to Frederik's comment. You may need to login to the Community to see the attachement.

Re: ViPR discovery

36 Posts

March 17th, 2015 08:00

Vivek,

there is not.

ViPR nodes kick off and manage up to 3 discoveries per node simultaneously.

each resource in database keeps a timestamp of when it was discovered last, and when a set time interval expires discovery is kicked off again, provided ViPR nodes are not busy with some other high-load activity.

the interval is also not guaranteed.  E.G if you have a very large environment and discovery takes a long time and ViPR nodes do not have the throughput to cycle through entire discovery in the window (1hr default), then it will elongate. Support matrix suggest to increase discovery window in those cases - there is a table specifying recommendations.

If you desire a very specific discovery time, then what you could do, is setup ViPR discovery interval to be very long (to basically ensure ViPR discovers almost never), and then take programmatic approach to requesting discovery element by element. You take quite a bit of risk - in case any bugs or system from which API calls execute crashes. But that is one way to do it.

hope that helps

4 Posts

March 17th, 2015 09:00

Thanks.

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