ker2x@arthurus:/home/hadoop/riak/riak-1.0.0/dev$ dev1/bin/riak start
Riak failed to start within 15 seconds,
see the output of 'riak console' for more information.
If you want to wait longer, set the environment variable
WAIT_FOR_ERLANG to the number of seconds to wait.
ker2x@arthurus:/home/hadoop/riak/riak-1.0.0/dev$ dev1/bin/riak console
Exec: /home/hadoop/riak/riak-1.0.0/dev/dev1/erts-5.8.4/bin/erlexec -boot /home/hadoop/riak/riak-1.0.0/dev/dev1/releases/1.0.0/riak             -embedded -config /home/hadoop/riak/riak-1.0.0/dev/dev1/etc/app.config             -args_file /home/hadoop/riak/riak-1.0.0/dev/dev1/etc/vm.args -- console
Root: /home/hadoop/riak/riak-1.0.0/dev/dev1
Erlang R14B03 (erts-5.8.4) [source] [64-bit] [smp:8:8] [rq:8] [async-threads:64] [kernel-poll:true]

15:02:40.505 [info] Application lager started on node 'dev1@127.0.0.1'
15:02:40.516 [info] Application sasl started on node 'dev1@127.0.0.1'
15:02:40.518 [info] Application cluster_info started on node 'dev1@127.0.0.1'
15:02:40.528 [info] Application os_mon started on node 'dev1@127.0.0.1'
15:02:40.531 [info] alarm_handler: {set,{{disk_almost_full,"/boot"},[]}}
15:02:40.534 [info] Application crypto started on node 'dev1@127.0.0.1'
** Found 0 name clashes in code paths
15:02:40.562 [info] Application webmachine started on node 'dev1@127.0.0.1'
15:02:40.565 [info] Application riak_sysmon started on node 'dev1@127.0.0.1'
15:02:40.629 [info] Application riak_core started on node 'dev1@127.0.0.1'
15:02:40.638 [info] Application riak_pipe started on node 'dev1@127.0.0.1'
15:02:40.657 [info] Application inets started on node 'dev1@127.0.0.1'
15:02:40.660 [info] Application mochiweb started on node 'dev1@127.0.0.1'
15:02:40.666 [info] Application erlang_js started on node 'dev1@127.0.0.1'
15:02:40.672 [info] Application luke started on node 'dev1@127.0.0.1'
/home/hadoop/riak/riak-1.0.0/dev/dev1/lib/os_mon-2.2.6/priv/bin/memsup: Erlang has closed.
                                                                                           Erlang has closed
                                                                                                            15:02:40.710 [error] CRASH REPORT Process <0.219.0> with 0 neighbours crashed with reason: no match of right hand value {{error,eacces},parent,"/tmp/riak/slide-data/13124/1318.856560.710212"} in slide:fresh/2
15:02:40.730 [error] Supervisor riak_kv_sup had child riak_kv_stat started with riak_kv_stat:start_link() at undefined exit with reason no match of right hand value {{error,eacces},parent,"/tmp/riak/slide-data/13124/1318.856560.710212"} in slide:fresh/2 in context start_error
15:02:40.755 [info] Application riak_kv exited with reason: {shutdown,{riak_kv_app,start,[normal,[]]}}
15:02:40.755 [info] alarm_handler: {clear,{disk_almost_full,"/boot"}}
{"Kernel pid terminated",application_controller,"{application_start_failure,riak_kv,{shutdown,{riak_kv_app,start,[normal,[]]}}}"}

Crash dump was written to: log/erl_crash.dump
Kernel pid terminated (application_controller) ({application_start_failure,riak_kv,{shutdown,{riak_kv_app,start,[normal,[]]}}})