3 Feb
2020
3 Feb
'20
1:48 p.m.
On Mon, Feb 3, 2020 at 1:09 AM Frank Schilder <frans(a)dtu.dk> wrote:
Fortunately, I had an opportunity to migrate the ceph
fs. For anyone who starts new, I would recommend to have the 3-pool layout right from the
beginning. Never use an EC pool as the default data pool. I would even make this statement
a bit stronger in the ceph documentation:
If erasure-coded pools are planned for the file system, it is usually better to use a
replicated pool for the default data pool ...
to, for example,
If erasure-coded pools are planned for the file system, it is strongly recommended to
use a replicated pool for the default data pool ...
We're going even further by having the monitors warn you if you try to
do this: https://tracker.ceph.com/issues/42450
Backports to Nautilus and Mimic are already in flight.
--
Patrick Donnelly, Ph.D.
He / Him / His
Senior Software Engineer
Red Hat Sunnyvale, CA
GPG: 19F28A586F808C2402351B93C3301A3E258DD79D