Re: List pg with heavily degraded objects

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Den fre 10 sep. 2021 kl 14:27 skrev George Shuklin <george.shuklin@xxxxxxxxx>:
> On 10/09/2021 15:19, Janne Johansson wrote:
> >> Are there a way? pg list is not very informative, as it does not show
> >> how badly 'unreplicated' data are.
> > ceph pg dump should list all PGs and how many active OSDs they have in
> > a list like this:
> > [12,34,78,56], [12,34,2134872348723,56]
> >
> It's not about been undersized.
> Imagine a small cluster with three OSD. You have two OSD dead, than two
> more empty were added to the cluster.
> Normally you'll see that each PG found a peer and there are no
> undersized PGs. But data, actually, wasn't replicated yet, the
> replication is in the process.

My view is that they actually would be "undersized" until backfill is
done to the PGs on the new empty disks you just added.

> Is there any way to see if there are PG with 'holding a single data
> copy, but is replicating now'? I'm curious about this transition time
> between 'found a peer and doing recovery' and 'got at least two copies
> of data'.



-- 
May the most significant bit of your life be positive.
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