scaling up vertically upgrading HD

Alex De la rosa alex.rosa.box at gmail.com
Thu Apr 23 10:42:57 EDT 2015


Cool, thank you :) however, is true that if 4 nodes are 1TB and the other
one is 2TB; the 5 nodes will act as having 1TB each, right? (I guess that's
what you mean with "Riak allocates data to nodes evenly")

Thanks,
Alex

On Thu, Apr 23, 2015 at 4:40 PM, Jon Meredith <jmeredith at basho.com> wrote:

> Hi Alex,
>
> Riak allocates data to nodes evenly - it doesn't take into account free
> space.  You should just be able to upgrade all nodes to 1Tb and Riak will
> use the space, without needing to take any additional actions.
>
> Jon
>
> On Thu, Apr 23, 2015 at 7:17 AM, Alex De la rosa <alex.rosa.box at gmail.com>
> wrote:
>
>> Hi there,
>>
>> I have the following question about scaling up vertically upgrading HDs
>> to get more space. I have the understanding that if HDs are of different
>> sizes on ring creation, they get the smallest size of them all and make all
>> nodes even, for example:
>>
>> Node 1: 500GB
>> Node 2: 500GB
>> Node 3: 750GB
>> Node 4: 500GB
>> Node 5: 750GB
>>
>> In this case riak would make a parity of 500GB per node... so... how
>> could we scale up the HDs? Imagine I want to turn them into the following:
>>
>> Node 1: 1TB
>> Node 2: 1TB
>> Node 3: 1TB
>> Node 4: 1TB
>> Node 5: 1TB
>>
>> How can you rebalance the cluster in the way their partitions grow to fit
>> this new setup? (using Riak 2.1)
>>
>> Thanks,
>> Alex
>>
>> _______________________________________________
>> riak-users mailing list
>> riak-users at lists.basho.com
>> http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com
>>
>>
>
>
> --
> Jon Meredith
> Chief Architect
> Basho Technologies, Inc.
> jmeredith at basho.com
>
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