I was thinking about 'PG preferred' to allow binding a PG's placement to
arbitrary OSDs. My angle is to make the PG more evenly distributed across
OSDs, thus to potentially save ~20% cost. I am searching the 'pg
preferred' implementation in CEPH to get more context.
For the PG - OSD distribution
Extend the rbd utility with a new option named '--force'. This option
will be used by the 'rbd import' command to allow overwriting an
existing rbd image, something which is currently forbidden. If the image
has snapshots, the command returns an error and nothing is imported. The
force option will
On Fri, Jul 18, 2014 at 2:12 AM, Kaifeng Yao kaif...@yahoo-inc.com wrote:
I was thinking about 'PG preferred' to allow binding a PG's placement to
arbitrary OSDs. My angle is to make the PG more evenly distributed across
OSDs, thus to potentially save ~20% cost. I am searching the 'pg
Hrm, I'd really like to see the startup sequence. I see the crash
occurring, but I don't understand how it's happening — we test this
pretty extensively so there must be something about your testing
configuration that is different than ours. Can you provide that part
of the log, and maybe a little