Thanks, man. Thanks a lot. Now I'm understood. So, to be sure If I have 3 hosts,
replicating factor is also 3 and I have a crush rule like:
{
"rule_id": 0,
"rule_name": "replicated_rule",
"ruleset": 0,
"type": 1,
"min_size": 1,
"max_size": 10,
"steps": [
{
"op": "take",
"item": -1,
"item_name": "default"
},
{
"op": "chooseleaf_firstn",
"num": 0,
"type": "host"
},
{
"op": "emit"
}
]
}
My data is replicated across hosts, not across osds, all hosts have
pieces of data and a situation like:
* host0 has a piece of data on osd.0
* host1 has pieces of data on osd.1 and osd.2
* host2 has no data
is completely excluded?
Konstantin Shalygin writes:
> On 04/27/2018 04:37 PM, Igor Gajsin wrote:
>> pool 7 'rbd' replicated size 3 min_size 2 crush_rule 0
>
>
> Your pools have proper size settings - is 3. But you crush have only 2
> buckets for this rule (e.g. is your pods).
> For making this rule work you should have minimum of 3 'pod' buckets.
>
>
>
>
> k
--
With best regards,
Igor Gajsin
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