Re: SSD Bluestore Backfills Slow

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Appreciate the input.

Wasn’t sure if ceph-volume was the one setting these bits of metadata or something else.

Appreciate the help guys.

Thanks,

Reed

The fix is in core Ceph (the OSD/BlueStore code), not ceph-volume. :) journal_rotational is still a thing in BlueStore; it represents the combined WAL+DB devices.
-Greg 
On Jun 4, 2018, at 11:53 AM, Alfredo Deza <adeza@xxxxxxxxxx> wrote:

ceph-volume doesn't do anything here with the device metadata, and is
something that bluestore has as an internal mechanism. Unsure if there
is anything
one can do to change this on the OSD itself (vs. injecting args)

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