pg count question

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Folks,

I am little confused so just need clarification, I have 14 osd in my
cluster and i want to create two pool  (pool-1 & pool-2) how do i
device pg between two pool with replication 3

Question: 1

Is this correct formula?

14 * 100 / 3 / 2 =  233  ( power of 2 would be 256)

So should i give 256 PG per pool right?

pool-1 = 256 pg & pgp
poo-2 = 256 pg & pgp


Question: 2

How do i set limit on pool for example if i want pool-1 can only use
500GB and pool-2 can use rest of the space?
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