Thanks again for your answer.
I still have few questions before going on.
It seems that some metadata should remains on the original data pool,
preventing it's deletion
(http://ceph.com/geen-categorie/ceph-pool-migration/ and
https://www.spinics.net/lists/ceph-users/msg41374.html).
Thus does doing a cp and then a rm of the original files (instead of mv)
allows to get rid of the remaining metadata in the original data pool ?
Is it then possible to remove the original pool after migration (and
how, because I guess that I have to define before the default location
for data to the new pool) ?
How snapshots are affected (do I have to remove all of them before the
operation) ?
Happy new year.
F.
Le 24/12/2019 à 03:53, Konstantin Shalygin a écrit :
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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