Install LeoFS

This installation method is based on a source build, so if you do not have Erlang already installed, you need to first install Erlang. Also, building LeoFS from source requires Erlang R16B03-1 or 17.5.

File structure

Before running make

$ git clone https://github.com/leo-project/leofs.git

{LEOFS_SRC_DIR}
  |
  |--- LICENSE
  |--- Makefile
  |--- apps/
  |--- deps/
  |--- doc/
  |--- rebar
  |--- rebar.config
  `--- rel/
         |--- leo_gateway/
         |--- leo_manager/
         `--- leo_storage/

After running make

$ cd {LEOFS_SRC}/
$ make
$ make release

{LEOFS_SRC_DIR}
  |
  |--- LICENSE
  |--- Makefile
  |---- deps/
  |      |--- bear/
  |      |--- bitcask/
  |      |--- cowboy/
  |      |--- eleveldb/
  |      |--- folsom/
  |      |--- jiffy/
  |      |--- leo_backend_db/
  |      |--- leo_cache/
  |      |--- leo_commons/
  |      |--- leo_dcerl
  |      |--- leo_gateway/
  |      |--- leo_logger/
  |      |--- leo_manager/
  |      |--- leo_mcerl/
  |      |--- leo_mq/
  |      |--- leo_object_storage/
  |      |--- leo_ordning_reda/
  |      |--- leo_pod/
  |      |--- leo_redundant_manager/
  |      |--- leo_rpc/
  |      |--- leo_s3_libs/
  |      |--- leo_statistics/
  |      |--- leo_storage/
  |      |--- lz4/
  |      |--- meck/
  |      |--- proper/
  |      |--- ranch/
  |      |--- savanna_agent/
  |      `--- savanna_commons/
  |---- rebar
  |---- rebar.config
  `---- rel/
         |--- leo_gateway/
         |--- leo_manager/
         `--- leo_storage/

Building

$ cd leofs/
$ make
$ make release
$ cp -r package {LEOFS_DEPLOYED_DIR}
$ cd {LEOFS_DEPLOYED_DIR}/

[LeoFS deployed files layout]
{LEOFS_DEPLOYED_DIR}
        |--- leo_gateway/
        |        |--- bin/
        |        |--- erts-{VERSION}/
        |        |--- etc/
        |        |--- lib/
        |        |--- log/
        |        |--- releases/
        |        |--- snmp/
        |        `--- work/
        |--- leo_manager_0/
        |        |--- bin/
        |        |--- erts-{VERSION}/
        |        |--- etc/
        |        |--- lib/
        |        |--- log/
        |        |--- releases/
        |        |--- snmp/
        |        `--- work/
        |--- leo_manager_1/
        |        |--- bin/
        |        |--- erts-{VERSION}/
        |        |--- etc/
        |        |--- lib/
        |        |--- log/
        |        |--- releases/
        |        |--- snmp/
        |        `--- work/
        `--- leo_storage/
                 |--- bin/
                 |--- erts-{VERSION}/
                 |--- etc/
                 |--- lib/
                 |--- log/
                 |--- releases/
                 |--- snmp/
                 `--- work/

Log Dir and Working Dir

Directory	Description
log/
log/app/	Application logs
log/ring/	RING (routing-table for replication) dump files
log/sasl/	SASL (Erlang system) Logs
work/
work/mnesia/	System internal data stored into ‘Mnesia’
work/queue/	Message queue data stored into ‘bitcask’

• ref: Basho bitcask

{LEOFS_DEPLOYED_DIR}
  |      `--- leo_storage/
  |               |--- bin/
  |               |--- erts-{VERSION}/
  |               |--- etc/
  |               |--- lib/
  |               |--- log/
  |               |     |--- app/
  |               |     |--- ring/
  |               |     `--- sasl/
  |               |--- releases/
  |               |--- snmp/
  |               `--- work/
  .                     |--- mnesia
  .                     `--- queue