How safe is k=2, m=1, min_size=2?

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Hi all,

We have said in the past that an EC pool should have min_size=k+1, for
the same reasons that a replica 3 pool needs min_size=2.
And we've heard several stories about replica 3, min_size=1 leading to
incomplete PGs.

Taking a quick poll -- did anyone ever suffer an outage on a pool with
k=2, m=1, min_size=2?

Thanks!

Dan
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