Den ons 1 dec. 2021 kl 03:17 skrev GHui <ugiwgh@xxxxxx>:
>
> I have deployed the v16 Ceph Cluster. One day I test ceph-osd and ceph-mon at v17 version.
> But now I cannot start ceph-mon at v16. And the follow is error message.
>
> ** File Read Latency Histogram By Level [default] **
> debug 2021-12-01T02:07:56.880+0000 7fc61e0a8700 -1 ERROR: on disk data includes unsupported features: compat={},rocompat={},incompat={14=quincy ondisk layout}
> debug 2021-12-01T02:07:56.880+0000 7fc61e0a8700 -1 error checking features: (1) Operation not permitted
> How can I remove the features config?
> would very much appreciate any advice.
I don't think you can move backwards, if you have gone forward, you
need to stay at that level.
It might not be only about a small set of flags being set, but more
about changes done to the internal data which in turn uses/allows
these flags.
--
May the most significant bit of your life be positive.
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