After installing Riak 2.1.1 on a 5 node Centos7 based test cluster, I followed
the instructions at
http://docs.basho.com/riak/latest/ops/advanced/backends/leveldb/ to attempt to
configure a tiered LevelDB backend.
My /etc/riak/riak.conf:
storage_backend = leveldb
leveldb.tiered = 4
leveldb.tiered.path.fast = /mnt/fast
leveldb.tiered.path.slow = /mnt/slow
Upon start, riak crashes with the following message in the log:
**
{function_clause,[{riak_kv_vnode,terminate,[{bad_return_value,{stop,{db_open,"IO
error:
/mnt/fast//var/lib/riak/leveldb/159851741583067506678528028578343455274867621888/LOCK:
No such file or
directory"}}},undefined],[{file,"src/riak_kv_vnode.erl"},{line,1155}]},{riak_core_vnode,terminate,3,[{file,"src/riak_core_vnode.erl"},{line,907}]},{gen_fsm,terminate,7,[{file,"gen_fsm.erl"},{line,597}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,239}]}]}
I assume the error is due to riak trying to write to the bogus path:
/mnt/fast//var/lib/riak/leveldb/159851741583067506678528028578343455274867621888/LOCK
(bogus due to the double slash above)
Is this a bug, erroneous documentation, or a configuration problem?? I followed
the example as closely as I could.
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