Hey David, My comments are inline.
On Wednesday, December 12, 2012 at 3:38 AM, David Montgomery wrote: > Thanks.,that helps... > > So..what happens if I have in existing path on a smaller drive and I attach > a new volume and switch? - Stop riak. - Copy the data out. - Mount the new volume with the same permissions. - Copy the data in. - Start riak. - Things should work. > In essence looking for best practice on how ot handle this. > > > Is it better to do a rolling upgrade where I start new machines fresh with 1T > then remove the smaller nodes 1 by one? So...I have three nodes with 20 gigs > each. Increase to 6 nodes. Then one one by remove the old nod and now back > to three with 1T each. It does seem that a rolling upgrade involves much > less risk. > If you don't have enough disk space. Mount a temporary volume somewhere and back the data up (make sure riak is stopped. I would not focus on leaves and joins. Make sure to do the copy process 1 node at a time.. Please let me know if you need more details. This should work fine and we do this all the time. > Thanks > > > > > > > > > > On Wed, Dec 12, 2012 at 2:13 PM, Sean Carey <[email protected] > (mailto:[email protected])> wrote: > > Hey David, > > You are correct. You can do 1 of two things here: > > > > 1) Mount your 1TB volume to /var/lib/riak. All ring, and backend data will > > be stored there. > > > > 2) Mount your volume somewhere like /data/riak and switch the > > platform_data_dir config option to reflect that mounted path. > > > > If you wanted to snapshot your riak data, it all lives in platform_data_dir > > > > > > Hope this helps, > > > > > > Sean > > @densone > > > > > > > > On Wednesday, December 12, 2012 at 12:32 AM, David Montgomery wrote: > > > > > > > > > Hi, > > > > > > I use datapipe for by cloud provider. An I am rather new from a sysadmin > > > perspective of having to attach volumes. I am using ubuntu 12.04 64. > > > > > > So...now that I can attach a 1T volume on machine boot....by question is > > > this. > > > > > > When I mount the new volume.....should I mount /var/lib/riak? I see > > > that the data directory is {platform_data_dir, "/var/lib/riak"}, from > > > the app.config file. Thus data will be written to the new drive solely > > > this making use of the 1T? Data will not be stored on the default volume > > > which is 20 gigs on datapipe. Then at this point I can snapshot the > > > volume to capture all data? > > > > > > Thanks > > > > > > David > > > _______________________________________________ > > > riak-users mailing list > > > [email protected] (mailto:[email protected]) > > > http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com > > > > > > > > > > > > > >
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