Make sure to also adjust your min_size. Having those be the same number can cause issues if and when you lose an osd from your cluster.
Like Wido said, you can change the size of a replica pool at any time, it will just cause a lot of data to move.
Sent from my iPhone
> On Oct 23, 2016, at 4:30 AM, Wido den Hollander <wido@xxxxxxxx> wrote:
>
>
>> Op 23 oktober 2016 om 10:04 schreef Sebastian Köhler <sk@xxxxxxxxx>:
>>
>>
>> Hello,
>>
>> is it possible to reduce the replica count of a pool that already
>> contains data? If it is possible how much load will a change in the
>> replica size cause? I am guessing it will do a rebalance.
>>
>
> Yes, just change the 'size' parameter of the pool. Data will rebalance indeed if you increase the number.
>
> Wido
>
>> Thanks
>>
>> Sebastian
>>
>>
Like Wido said, you can change the size of a replica pool at any time, it will just cause a lot of data to move.
Sent from my iPhone
> On Oct 23, 2016, at 4:30 AM, Wido den Hollander <wido@xxxxxxxx> wrote:
>
>
>> Op 23 oktober 2016 om 10:04 schreef Sebastian Köhler <sk@xxxxxxxxx>:
>>
>>
>> Hello,
>>
>> is it possible to reduce the replica count of a pool that already
>> contains data? If it is possible how much load will a change in the
>> replica size cause? I am guessing it will do a rebalance.
>>
>
> Yes, just change the 'size' parameter of the pool. Data will rebalance indeed if you increase the number.
>
> Wido
>
>> Thanks
>>
>> Sebastian
>>
>>
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