Hi Wido, can you please share some detailed instructions how to do this? And what do you mean with "respect your failure domain"? THX Am 04.03.2020 um 11:27 schrieb Wido den Hollander:
On 3/4/20 11:15 AM, Thomas Schneider wrote:
Hi,
Ceph balancer is not working correctly; there's an open bug <https://tracker.ceph.com/issues/43752> report, too.
Until this issue is not solved, I need a workaround because I get more and more warnings about "nearfull osd(s)".
Therefore my question is: How can I forcibly move PGs from full OSD to empty OSD? Yes, you could manually create upmap items to map PGs to a specific OSD and offload another one.
This is what the balancer also does. Keep in mind though that you should respect your failure domain (host, rack, etc) when creating these mappings.
Wido
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