default data pool and cephfs using erasure-coded pools

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Hello,

Scenario 1.

Create 2 pools 1 data/1meta for cephfs using EC

cech fs new mycephfs data1 meta1
Error: "EC pool for default data pool discouraged"

Reading creating-pools I think understand you want for recovery
information for system in replicated pools. I am just not certain I
understand if ceph needs one default replicated pool for the whole
cluster?

Scenario 2.

Can I do this:

# create default pool
1. create 2 new pool data and meta pool, replicated.
2. create new fs for step 1.

# create EC pool for cephfs export
3. create 2 new pools data1 and meta1, erasure-coded
2. create new fs for step 3.

Hope this is clear? If this does work, does this mean a cluster has a
default pool or a default replicated pool for every new erasure-coded
pool?

thanks
jerry

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