Re: Help with handling Riak disk failure

2017-09-19 Thread Leo
Okay. Please let me know the riak config parameters or other parameters you think could make the recovery faster. For example, the transfer-limit which can be changed used the riak-admin transfer-limit command. Thanks, Leo On Tue, Sep 19, 2017 at 2:23 PM, Bryan Hunt wrote: > Sorry Leo, > > That’

Re: Help with handling Riak disk failure

2017-09-19 Thread Bryan Hunt
Sorry Leo, That’s completely impossible to guess :-D Factors include - I/O, Network cards, network switch, selinux, block size, CPU, size of objects, number of objects, CRDT, Riak version, etc… Best, Bryan > On 19 Sep 2017, at 18:53, Leo wrote: > > Dear Bryan, > > Thank you very much

Re: Help with handling Riak disk failure

2017-09-19 Thread Leo
Dear Bryan, Thank you very much for your answers. They are very helpful to me. I will use more nodes (>=5) in future. From your experience with using Riak, what would your guess be for the time taken to finish all the AAE transfers and be done with the recovery for about 1 TB worth of data (assum

Re: Help with handling Riak disk failure

2017-09-19 Thread Bryan Hunt
(0) Three nodes are insufficient, you should have 5 nodes (1) You could iterate and read every object in the cluster - this would also trigger read repair for every object (2) - copied from Engel Sanchez response to a similar question April 10th 2014 ) * If AAE is disabled, you don't have to sto

Help with handling Riak disk failure

2017-09-19 Thread Leo
Dear Riak users and experts, I really appreciate any help with my questions below. I have a 3 node Riak cluster with each having approx. 1 TB disk usage. All of a sudden, one node's hard disk failed unrecoverably. So, I added a new node using the following steps: 1) riak-admin cluster join 2) do