On Sat, Jan 30, 2016 at 12:07 AM, Deneau, Tom <tom.deneau@xxxxxxx> wrote:
> Ah, yes I see this...
> feature set mismatch, my 4a042a42 < server's 104a042a42, missing 1000000000
> which looks like CEPH_FEATURE_CRUSH_V2
>
> Is there any workaround for that?
> Or what ceph version would I have to back up to?
Yes, that's CRUSH_V2, supported starting with kernel 3.14. The only
other option if you can't upgrade is to remove SET_* and indep steps
("step set_choose_tries", "step set_chooseleaf_tries", "step choose
indep", "step chooseleaf indep") from all rules in your crushmap.
Thanks,
Ilya
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