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CDR / Continuous Data Replication

  • January 26, 2022
  • 6 replies
  • 721 views

Marco Lachance
Byte
Forum|alt.badge.img+7

Hi, I’m doing some test for a customer to replace Robot Copy with this feature. But isn’t clear what trigger is to replicate data ??

If we just add a small file at source couple of 100 KB the replication is not happening in the next following minutes !?

So was what will trigger the replication ?

Thank you

 

Best answer by MFasulo

Thanks for the ping!

 

The size i dont think is easily changed but docs has

Replication Logs - Overview (commvault.com)

  • At a specified time interval if there is not sufficient change activity to fill the log. This time interval is by default 15 minutes. If necessary, you can adjust this change interval. For step-by-step instructions, see Specify the CDR Log File Update Interval.

 

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6 replies

MFasulo
Vaulter
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  • Vaulter
  • 175 replies
  • January 26, 2022

Its been about 7 years since I was using CDR, but there is a size (5mb) and a time component (i dont recall the minutes interval)    but its got to each one of those to replicate the data.


Marco Lachance
Byte
Forum|alt.badge.img+7

@MFasulo Thank’s 

So if the customer creates a lot of small files, the sum of those files need to reach at least 5mb to trigger the replication !? 


Marco Lachance
Byte
Forum|alt.badge.img+7

@MFasulo 

And also can we tune the 5 Mb value?


Mike Struening
Vaulter
Forum|alt.badge.img+23

@Marco Lachance , following up to see if you ever got an answer as I know @MFasulo will often chat offline about these topics :nerd:


Marco Lachance
Byte
Forum|alt.badge.img+7

Nope, no news !

Thank you but it’s not a rush, the customer won’t go with it,

but I would like to know for my personal knowledge !


MFasulo
Vaulter
Forum|alt.badge.img+12
  • Vaulter
  • 175 replies
  • Answer
  • March 10, 2022

Thanks for the ping!

 

The size i dont think is easily changed but docs has

Replication Logs - Overview (commvault.com)

  • At a specified time interval if there is not sufficient change activity to fill the log. This time interval is by default 15 minutes. If necessary, you can adjust this change interval. For step-by-step instructions, see Specify the CDR Log File Update Interval.

 


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