Chapter 31. Creating a sample erasure coded pool

The simplest erasure coded pool is equivalent to RAID5 and requires at least three hosts:

$ ceph osd pool create ecpool 50 50 erasure
pool 'ecpool' created
$ echo ABCDEFGHI | rados --pool ecpool put NYAN -
$ rados --pool ecpool get NYAN -
ABCDEFGHI

Note

the 50 in pool create stands for the number of placement groups.

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