On Thu, 2025-02-27 at 20:50 +0100, Janne Johansson wrote:
> In the end, you need to wait until rebalancing has moved the data
> into
> the new OSDs so that one of the previous OSDs get more free space.
> This can take a while.

I can attest to this.  PG Autoscaler had an issue, so I had an
extremely small number of PGs that placed data on only 3 OSDs (out of a
total of 20).  By the time I noticed the OSDs were about 70% full (16TB
HDDs), and when I finally sorted out the PG Autoscaler issue and a
better number of PGs were created, it took about three weeks to balance
everything out.
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