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doc: dev description of async recovery #21051

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merged 1 commit into from Mar 28, 2018

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neha-ojha
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@neha-ojha neha-ojha commented Mar 26, 2018

Signed-off-by: Josh Durgin jdurgin@redhat.com
Signed-off-by: Neha Ojha nojha@redhat.com

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retest this please

@neha-ojha neha-ojha requested a review from jdurgin March 27, 2018 01:07
PGs in Ceph maintain a log of writes to allow speedy recovery of data.
Instead of scanning all of the objects to see what is missing on each
osd, we can examine the pg log to see which objects we need to
recover. See `Log Based PG`_ for more detail on this process.
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/home/jenkins-build/build/workspace/ceph-pr-docs/doc/dev/osd_internals/async_recovery.rst:5:Unknown target name: "log based pg".

recover. See `Log Based PG`_ for more detail on this process.

.. _`Log Based PG`:
https://github.com/ceph/ceph/blob/master/doc/dev/osd_internals/log_based_pg.rst
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relative path, in this case just log_based_pg.rst, should work

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jdurgin commented Mar 27, 2018

could you preserve my signed-off-by on the commit since it's not changed much since the original draft

Signed-off-by: Josh Durgin <jdurgin@redhat.com>
Signed-off-by: Neha Ojha <nojha@redhat.com>
@jdurgin jdurgin merged commit 03f9826 into ceph:master Mar 28, 2018
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