Please refer below links which confirm compatible use remote copy with SilverPeak:
https://www.silver-peak.com/applications/hp-3parhttps://www.silver-peak.com/solutions/r ... celerationI get around 70-80 % compression with SilverPeak, so the 230 GB actually becomes 50-70 GB when put on WAN. Please refer attached snap where 258 GB data is compressed to 63 GB !
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File comment: SilverPeak compression for 3PAR remote copy
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With this the RPO remains to 2-3 hours which is much below the business commitment.
Yes, I do see those warnings "periodic sync took more than sync period", but I understand that the only impact of these in periodic async remote copy is increase in RPO.
I am planning to increase the period to a suitable value and see if this works. In any case I would need to confirm that this would stop any recurrence of full sync.