doc/rados/operations/bluestore-migration: document bluestore migration process #16918
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| umount /var/lib/ceph/osd/ceph-$ID | ||
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| #. Destroy the OSD data. Be *EXTREMELY CAREUL* as this will destroy | ||
| the contents of the device; be certain it is not needed. :: |
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Not sure if the line "be certain it is not needed" is required, since the process is explaining about filestore to bluestore conversion.
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| You can allow the refilling of the replacement OSD to happen | ||
| concurrently with the draining of the next OSD, or follow the same | ||
| procedure for multiple OSDs in parallel, as long as you ensure the |
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If the replica is per host level, then we could ask admin's to do it one host(osd's inside host can use parallel conversion) per time for safety reason (for eg: a 3 node cluster can go one host in parallel).
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Overall looks great to me, thanks |
…n process Signed-off-by: Sage Weil <sage@redhat.com>
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jcsp
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Aug 11, 2017
| several strategies for making such a transition. | ||
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| An individual OSD cannot be converted in place in isolation, however: | ||
| BlueStore and FileStore are simply to different for that to be |
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Signed-off-by: Sage Weil sage@redhat.com