Node cannot join

Shane McEwan shane at mcewan.id.au
Tue Aug 21 10:17:34 EDT 2012


Speaking of joining clusters . . .

I'm in the middle of writing a CFEngine promise to automatically install 
Riak, configure it and join a cluster.

Is it best to have all nodes issue a 'riak-admin cluster join' command 
before a single node issues the final 'riak-admin cluster commit' 
command? (Potentially hard to do with CFEngine) Or is it OK to have each 
node issue its own 'join' and 'commit' commands? (Reasonably easy)

Or is it a bad idea to build the cluster automatically and I should 
really be doing it manually?

Secondly, is there a riak-admin command or status value that 
definitively says "This node is part of a cluster" (even if all other 
nodes in the cluster are down) so that CFEngine knows not to re-issue 
the cluster join command a second time?

Thanks!

On 21/08/12 14:36, Ryan Zezeski wrote:
> Daniel,
>
> Cluster operations (invoked by `riak-admin cluster`) are now
> multi-phase.  Instead of calling an operation and it taking effect
> immediately you need to stage your changes, view your changes, and then
> commit them.  E.g.
>
> riak-admin cluster join blah
>
> riak-admin cluster plan
>
> riak-admin cluster commit
>
> There is an `-f` option to keep the old behavior but we recommend
> against this.  Staged clustering was put in place to keep users from
> hurting their clusters and to make multiple changes more efficient.
>
> -Z
>
> On Tue, Aug 21, 2012 at 9:28 AM, Daniel Iwan <iwan.daniel at gmail.com
> <mailto:iwan.daniel at gmail.com>> wrote:
>
>     Hi
>
>     In my setup everything worked fine until I upgraded to riak 1.2
>     (although this may be a coincidence)
>     Nodes are installed from scratch with changes only to db backend (I'm
>     using eLevelDB)
>     and names.
>     For some reason node cannot join to another.
>     What am I doing wrong?
>
>     I'm using Ubuntu 10.04 but I've seen the same behaviour on Ubuntu 12.04
>     I may miss openssl dependency. I don't know if that matters
>
>
>     user at node2:~$ riak-admin cluster join riak at 10.173.240.1
>     <mailto:riak at 10.173.240.1>
>     Attempting to restart script through sudo -H -u riak
>     Success: staged join request for 'riak at 10.173.240.2
>     <mailto:riak at 10.173.240.2>' to 'riak at 10.173.240.1
>     <mailto:riak at 10.173.240.1>'
>
>
>     user at node1:~$ riak-admin member-status
>     Attempting to restart script through sudo -H -u riak
>     ================================= Membership
>     ==================================
>     Status     Ring    Pending    Node
>     -------------------------------------------------------------------------------
>     joining     0.0%      --      'riak at 10.173.240.2
>     <mailto:riak at 10.173.240.2>'
>     valid     100.0%      --      'riak at 10.173.240.1
>     <mailto:riak at 10.173.240.1>'
>     -------------------------------------------------------------------------------
>
>     Valid:1 / Leaving:0 / Exiting:0 / Joining:1 / Down:0
>     user at node1:~$
>     user at node1:~$ riak-admin transfers
>
>     Attempting to restart script through sudo -H -u riak
>     No transfers active
>
>     Active Transfers:
>
>     user at node1:~$
>
>     riak-admin status
>     Attempting to restart script through sudo -H -u riak
>     1-minute stats for 'riak at 10.173.240.1 <mailto:riak at 10.173.240.1>'
>     -------------------------------------------
>     vnode_gets : 0
>     vnode_gets_total : 0
>     vnode_puts : 0
>     vnode_puts_total : 0
>     vnode_index_reads : 0
>     vnode_index_reads_total : 0
>     vnode_index_writes : 0
>     vnode_index_writes_total : 0
>     vnode_index_writes_postings : 0
>     vnode_index_writes_postings_total : 0
>     vnode_index_deletes : 0
>     vnode_index_deletes_total : 0
>     vnode_index_deletes_postings : 0
>     vnode_index_deletes_postings_total : 0
>     node_gets : 0
>     node_gets_total : 0
>     node_get_fsm_siblings_mean : 0
>     node_get_fsm_siblings_median : 0
>     node_get_fsm_siblings_95 : 0
>     node_get_fsm_siblings_99 : 0
>     node_get_fsm_siblings_100 : 0
>     node_get_fsm_objsize_mean : 0
>     node_get_fsm_objsize_median : 0
>     node_get_fsm_objsize_95 : 0
>     node_get_fsm_objsize_99 : 0
>     node_get_fsm_objsize_100 : 0
>     node_get_fsm_time_mean : 0
>     node_get_fsm_time_median : 0
>     node_get_fsm_time_95 : 0
>     node_get_fsm_time_99 : 0
>     node_get_fsm_time_100 : 0
>     node_puts : 0
>     node_puts_total : 0
>     node_put_fsm_time_mean : 0
>     node_put_fsm_time_median : 0
>     node_put_fsm_time_95 : 0
>     node_put_fsm_time_99 : 0
>     node_put_fsm_time_100 : 0
>     read_repairs : 0
>     read_repairs_total : 0
>     coord_redirs_total : 0
>     executing_mappers : 0
>     precommit_fail : 0
>     postcommit_fail : 0
>     pbc_active : 0
>     pbc_connects : 0
>     pbc_connects_total : 0
>     cpu_nprocs : 340
>     cpu_avg1 : 182
>     cpu_avg5 : 136
>     cpu_avg15 : 92
>     mem_total : 4154609664
>     mem_allocated : 1475477504
>     disk : [{"/",54417668,2},
>              {"/dev",2024188,1},
>              {"/dev/shm",2028616,0},
>              {"/var/run",2028616,1},
>              {"/var/lock",2028616,0},
>              {"/lib/init/rw",2028616,0},
>              {"/var/lib/ureadahead/debugfs",54417668,2},
>              {"/media/ARRAY1",10739982336,1},
>              {"/boot",186663,22}]
>     nodename : 'riak at 10.173.240.1 <mailto:riak at 10.173.240.1>'
>     connected_nodes : ['riak at 10.173.240.2 <mailto:riak at 10.173.240.2>']
>     sys_driver_version : <<"2.0">>
>     sys_global_heaps_size : 0
>     sys_heap_type : private
>     sys_logical_processors : 4
>     sys_otp_release : <<"R15B01">>
>     sys_process_count : 1392
>     sys_smp_support : true
>     sys_system_version : <<"Erlang R15B01 (erts-5.9.1) [source] [64-bit]
>     [smp:4:4] [async-threads:64] [kernel-poll:true]">>
>     sys_system_architecture : <<"x86_64-unknown-linux-gnu">>
>     sys_threads_enabled : true
>     sys_thread_pool_size : 64
>     sys_wordsize : 8
>     ring_members : ['riak at 10.173.240.1
>     <mailto:riak at 10.173.240.1>','riak at 10.173.240.2
>     <mailto:riak at 10.173.240.2>']
>     ring_num_partitions : 64
>     ring_ownership : <<"[{'riak at 10.173.240.1
>     <mailto:riak at 10.173.240.1>',64}]">>
>     ring_creation_size : 64
>     storage_backend : riak_kv_eleveldb_backend
>     erlydtl_version : <<"0.7.0">>
>     riak_control_version : <<"1.2.0">>
>     cluster_info_version : <<"1.2.2">>
>     riak_api_version : <<"1.2.0">>
>     riak_search_version : <<"1.2.0">>
>     merge_index_version : <<"1.2.0">>
>     riak_kv_version : <<"1.2.0">>
>     riak_pipe_version : <<"1.2.0">>
>     riak_core_version : <<"1.2.0">>
>     lager_version : <<"1.2.0">>
>     syntax_tools_version : <<"1.6.8">>
>     compiler_version : <<"4.8.1">>
>     bitcask_version : <<"1.5.1">>
>     basho_stats_version : <<"1.0.2">>
>     luke_version : <<"0.2.5">>
>     webmachine_version : <<"1.9.2">>
>     mochiweb_version : <<"1.5.1">>
>     inets_version : <<"5.9">>
>     erlang_js_version : <<"1.2.0">>
>     runtime_tools_version : <<"1.8.8">>
>     os_mon_version : <<"2.2.9">>
>     riak_sysmon_version : <<"1.1.2">>
>     ssl_version : <<"5.0.1">>
>     public_key_version : <<"0.15">>
>     crypto_version : <<"2.1">>
>     sasl_version : <<"2.2.1">>
>     stdlib_version : <<"1.18.1">>
>     kernel_version : <<"2.15.1">>
>     memory_total : 26853928
>     memory_processes : 6744452
>     memory_processes_used : 6744438
>     memory_system : 20109476
>     memory_atom : 429569
>     memory_atom_used : 406875
>     memory_binary : 58504
>     memory_code : 9277444
>     memory_ets : 774080
>
>
>     D.
>
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