Problems using CPP instead of CPM

Question

Hi all. Currently we have two Centeras configured in 'mirroring' mode. Is there any problem if we re-configure them in 'parity' mode? What's the disadvantage of using CPP instead of CPM? I suppose parity mode is slower (reading and writing) because of the parity calculations. Is there a way to migrate data stored in CPM mode to CPP? If it's not, i suppose that only new data will be stored in CPP mode. Thanks a lot.

mckeown_paul · Answer

If you change the clusters to CPM then any new content bigger than the CPP threshold will be written as CPP any smaller will still be CPM. All CDFs will be CPM anyway

There is no way at present to change existing content

Antonio_nm · Answer

Hi Paul. Thank you for the answer. How can i know the 'CPP threshold'? Is it the same for all Centeras? I read (in other discussion) the CPP threshold is 256k, isn't it?

mckeown_paul · Answer

it is configurable but normally its not changed from 256KB centeraviewer can be used to check

Centera

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