On 12/19/19 10:22 PM, Francois Legrand wrote:
Thus my question is *how can I migrate a data pool in EC of a cephfs to another EC pool ?*


I suggest this:

# create you new ec pool

# `ceph osd pool application enable ec_new cephfs`

# `ceph fs add_data_pool cephfs ec_new`

# `setfattr -n ceph.dir.layout -v pool=ec_new /cephfs/ec_migration`

And then copy your content via userland tools.



k

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