Without knowing the source code and just from my observations, I would say everytime the osd map changes, the crush/pgmap tries to fix that. However a running backfill is not stopped and only backfill_wait would be reconsidered. -- Martin Verges Managing director Mobile: +49 174 9335695 E-Mail: martin.verges@xxxxxxxx Chat: https://t.me/MartinVerges croit GmbH, Freseniusstr. 31h, 81247 Munich CEO: Martin Verges - VAT-ID: DE310638492 Com. register: Amtsgericht Munich HRB 231263 Web: https://croit.io YouTube: https://goo.gl/PGE1Bx Am Sa., 26. Sept. 2020 um 13:33 Uhr schrieb Marc Roos < M.Roos@xxxxxxxxxxxxxxxxx>: > > When I add an osd rebalancing is taking place, lets say ceph relocates > 40 pg's. > > When I add another osd during rebalancing, when ceph has only relocated > 10 pgs and has to do still 30 pgs. > > What happens then: > > 1. Is ceph just finishing the relocation of these 30 pgs and then > calculates how the new environment with the newly added osd should be > relocated and starts relocating that. > > 2. or is ceph is finishing only the relocation of the pg it is currently > doing, and then recalculates immediately how pg's should be distributed > without finishing these 30 pg's it was planning to do. > > > > _______________________________________________ > ceph-users mailing list -- ceph-users@xxxxxxx > To unsubscribe send an email to ceph-users-leave@xxxxxxx > _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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