Upgrade procedure from 0.12 to 0.13

Wilson MacGyver wmacgyver at gmail.com
Wed Oct 13 13:23:39 EDT 2010


I thought it's possible to do "rolling upgrade". ie, shutdown 1 node,
upgrade it, and reconnect the
node to the cluster.

otherwise you'd need 2X of the nodes in production.

On Wed, Oct 13, 2010 at 1:21 PM, Alexander Sicular <siculars at gmail.com> wrote:
> I'm pretty sure that Baho would recommend that all nodes in a cluster should be running the same version. An upgrade would probably require doing a full database backup and a full database restore on a *new* cluster.
>
> -Alexander
>
> On Oct 13, 2010, at 10:06 AM, SKester wrote:
>
>> Hey folks,
>>
>> What is the proper way to upgrade a cluster from 0.12 to 0.13?  Our 4 node cluster was originally created by installing the 0.12 rpms.  Is the process as simple as stopping  riak on a node, installing the new rpm and re-starting?  Is it possible to roll through each node one at a time while the others are still available, or do all nodes need to be halted and upgraded at the same time?  I have backed up the /etc/riak directory to save the initial config data.  Are the 0.12 config files fully compatible with 0.13?
>>
>> Thanks,
>> Scott
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>
>
> -Alexander Sicular
>
> @siculars
>
>
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