Re: Worst thing that can happen if I have size= 2

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On Wed, 2021-02-03 at 09:39 +0000, Max Krasilnikov wrote:
> > if a OSD becomes unavailble (broken disk, rebooting server) then
> > all
> > I/O to the PGs stored on that OSD will block until replication
> > level of
> > 2 is reached again. So, for a highly available cluster you need a
> > replication level of 3
>
>
> AFAIK, with min_size 1 it is possible to write even to only active
> OSD serving
>
yes, that's correct but then you seriously risk trashing your data

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