diff --git a/.gitignore b/.gitignore index a602c47f..dcb95b6d 100644 --- a/.gitignore +++ b/.gitignore @@ -1,30 +1,237 @@ -### # pattern "*", even when followed by "!*/", was hiding sockets/marfs_obj -### * -*.* - -!*/ -!*.c -!*.h -!*.txt -!*.am -!*.ac -!*.conf -!scripts/* -!README* -!.gitignore - -*~ -config.h -*.log - -Makefile +# Created by https://www.gitignore.io/api/c,macos,python,autotools +# Edit at https://www.gitignore.io/?templates=c,macos,python,autotools + +### Autotools ### +# http://www.gnu.org/software/automake + +Makefile.in +/ar-lib +/mdate-sh +/py-compile +/test-driver +/ylwrap + +# http://www.gnu.org/software/autoconf + autom4te.cache -ar-lib -compile -configure -depcomp -install-sh -missing -stamp-h1 -test-driver +/autoscan.log +/autoscan-*.log +/aclocal.m4 +/compile +/config.guess +/config.h.in +/config.log +/config.status +/config.sub +/configure +/configure.scan +/depcomp +/install-sh +/missing +/stamp-h1 + +# https://www.gnu.org/software/libtool/ + +/ltmain.sh + +# http://www.gnu.org/software/texinfo + +/texinfo.tex + +# http://www.gnu.org/software/m4/ + +m4/libtool.m4 +m4/ltoptions.m4 +m4/ltsugar.m4 +m4/ltversion.m4 +m4/lt~obsolete.m4 + +### Autotools Patch ### + +### C ### +# Prerequisites +*.d + +# Object files +*.o +*.ko +*.obj +*.elf + +# Linker output +*.ilk +*.map +*.exp + +# Precompiled Headers +*.gch +*.pch + +# Libraries +*.lib +*.a +*.la +*.lo + +# Shared objects (inc. Windows DLLs) +*.dll +*.so +*.so.* +*.dylib + +# Executables +*.exe +*.out +*.app +*.i*86 +*.x86_64 +*.hex + +# Debug files +*.dSYM/ +*.su +*.idb +*.pdb + +# Kernel Module Compile Results +*.mod* +*.cmd +.tmp_versions/ +modules.order +Module.symvers +Mkfile.old +dkms.conf + +### macOS ### +# General +.DS_Store +.AppleDouble +.LSOverride + +# Icon must end with two \r +Icon + +# Thumbnails +._* + +# Files that might appear in the root of a volume +.DocumentRevisions-V100 +.fseventsd +.Spotlight-V100 +.TemporaryItems +.Trashes +.VolumeIcon.icns +.com.apple.timemachine.donotpresent + +# Directories potentially created on remote AFP share +.AppleDB +.AppleDesktop +Network Trash Folder +Temporary Items +.apdisk + +### Python ### +# Byte-compiled / optimized / DLL files +__pycache__/ +*.py[cod] +*$py.class + +# C extensions + +# Distribution / packaging +.Python +build/ +develop-eggs/ +dist/ +downloads/ +eggs/ +.eggs/ +lib/ +lib64/ +parts/ +sdist/ +var/ +wheels/ +pip-wheel-metadata/ +share/python-wheels/ +*.egg-info/ +.installed.cfg +*.egg +MANIFEST + +# PyInstaller +# Usually these files are written by a python script from a template +# before PyInstaller builds the exe, so as to inject date/other infos into it. +*.manifest +*.spec + +# Installer logs +pip-log.txt +pip-delete-this-directory.txt + +# Unit test / coverage reports +htmlcov/ +.tox/ +.nox/ +.coverage +.coverage.* +.cache +nosetests.xml +coverage.xml +*.cover +.hypothesis/ +.pytest_cache/ + +# Translations +*.mo +*.pot + +# Scrapy stuff: +.scrapy + +# Sphinx documentation +docs/_build/ + +# PyBuilder +target/ + +# pyenv +.python-version + +# pipenv +# According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control. +# However, in case of collaboration, if having platform-specific dependencies or dependencies +# having no cross-platform support, pipenv may install dependencies that don't work, or not +# install all needed dependencies. +#Pipfile.lock + +# celery beat schedule file +celerybeat-schedule + +# SageMath parsed files +*.sage.py + +# Spyder project settings +.spyderproject +.spyproject + +# Rope project settings +.ropeproject + +# Mr Developer +.mr.developer.cfg +.project +.pydevproject + +# mkdocs documentation +/site + +# mypy +.mypy_cache/ +.dmypy.json +dmypy.json + +# Pyre type checker +.pyre/ +# End of https://www.gitignore.io/api/c,macos,python,autotools \ No newline at end of file diff --git a/.readthedocs.yml b/.readthedocs.yml new file mode 100644 index 00000000..6f00923b --- /dev/null +++ b/.readthedocs.yml @@ -0,0 +1,23 @@ +# .readthedocs.yml +# Read the Docs configuration file +# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details + +# Required +version: 2 + +# Build documentation in the docs/ directory with Sphinx +sphinx: + configuration: docs/conf.py + +# Build documentation with MkDocs +#mkdocs: +# configuration: mkdocs.yml + +# Optionally build your docs in additional formats such as PDF and ePub +formats: all + +# Optionally set the version of Python and requirements required to build your docs +python: + version: 3.7 + install: + - requirements: docs/requirements.txt \ No newline at end of file diff --git a/docs/Makefile b/docs/Makefile new file mode 100644 index 00000000..d4bb2cbb --- /dev/null +++ b/docs/Makefile @@ -0,0 +1,20 @@ +# Minimal makefile for Sphinx documentation +# + +# You can set these variables from the command line, and also +# from the environment for the first two. +SPHINXOPTS ?= +SPHINXBUILD ?= sphinx-build +SOURCEDIR = . +BUILDDIR = _build + +# Put it first so that "make" without argument is like "make help". +help: + @$(SPHINXBUILD) -M help "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O) + +.PHONY: help Makefile + +# Catch-all target: route all unknown targets to Sphinx using the new +# "make mode" option. $(O) is meant as a shortcut for $(SPHINXOPTS). +%: Makefile + @$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O) diff --git a/docs/_build/doctrees/environment.pickle b/docs/_build/doctrees/environment.pickle new file mode 100644 index 00000000..988eb5d6 Binary files /dev/null and b/docs/_build/doctrees/environment.pickle differ diff --git a/docs/_build/doctrees/index.doctree b/docs/_build/doctrees/index.doctree new file mode 100644 index 00000000..d8cfe734 Binary files /dev/null and b/docs/_build/doctrees/index.doctree differ diff --git a/docs/_build/doctrees/install.doctree b/docs/_build/doctrees/install.doctree new file mode 100644 index 00000000..df4900ec Binary files /dev/null and b/docs/_build/doctrees/install.doctree differ diff --git a/docs/_build/html/.buildinfo b/docs/_build/html/.buildinfo new file mode 100644 index 00000000..aa2d8102 --- /dev/null +++ b/docs/_build/html/.buildinfo @@ -0,0 +1,4 @@ +# Sphinx build info version 1 +# This file hashes the configuration used when building these files. When it is not found, a full rebuild will be done. +config: 0181ec870d6d63f8503f4f54e1853f1b +tags: 645f666f9bcd5a90fca523b33c5a78b7 diff --git a/docs/_build/html/_sources/index.rst.txt b/docs/_build/html/_sources/index.rst.txt new file mode 100644 index 00000000..6aa853e5 --- /dev/null +++ b/docs/_build/html/_sources/index.rst.txt @@ -0,0 +1,22 @@ +.. MarFS documentation master file, created by + sphinx-quickstart on Wed Feb 26 14:01:53 2020. + You can adapt this file completely to your liking, but it should at least + contain the root `toctree` directive. + +Welcome to MarFS's documentation! +================================= + +.. toctree:: + :maxdepth: 2 + :caption: Contents: + + install + + + +Indices and tables +================== + +* :ref:`genindex` +* :ref:`modindex` +* :ref:`search` diff --git a/docs/_build/html/_sources/install.rst.txt b/docs/_build/html/_sources/install.rst.txt new file mode 100644 index 00000000..ca9b3712 --- /dev/null +++ b/docs/_build/html/_sources/install.rst.txt @@ -0,0 +1,118 @@ +Installing +********** + +This section describes the install process for MarFS. + +.. contents:: + :depth: 2 + :local: + + +Overview +======== +MarFS uses separate storage for data and for metadata (MD). Data is stored as +erasure-coded objects. MarFS metadata can use any file-system that provides +extended-attributes and sparse-files. For scalability, it should also be a +distributed file-system. Previously, we have used object-storage systems, +accessed with the S3 protocol, but this install guide covers a more-recent +implementation called Multi-Component. A Multi-Component object-store is a +set of N+E identical file-systems (where N is the number of data-elements, +and E the number of erasure-elements, in an erasure-coding). When MarFS is +configured for Multi-Component repositories, it will break data “objects” into +N pieces, perform the erasure-coding on N data-elements to produce N+E new +elements, and will “stripe” those out across the N+E file-systems. We refer +to the set of N+E filesystems as a “pod”. It is possible to have multiple +pods, in which case MarFS uses a hash to select the pod, and writes the stripe +across members of the pod. Each pod is a distinct set of servers, and stripes +never span pods. + +MarFS is a distributed parallel filesystem, thusly setup is complicated and +relies on a number of different technologies and systems. In this guide we +will go over the setup of an example system. This guide assumes knowledge of +ZFS, GPFS. MPI, and general Linux operations. + + +Example cluster +=============== +The example cluster we will create in this guide will use a number of +different storage systems for different functions. Our cluster is comprised of +Storage nodes which hold object data, Metadata Nodes which hold Metadata, +file transfer nodes for moving data in parallel, and finally a user node +which will present the MarFS cluster as a mounted filesystem to users. Our +example cluster will have: + + * 4 Storage Nodes + * 2 Metadata Nodes + * 2 File Transfer Nodes + * 1 User Node + +Storage Nodes +------------- +Each storage node uses ZFS for MarFS block storage. Each node will have four +zpools in a RAIDZ3(17+3) configuration. + +Metadata Nodes +-------------- +We will be using GPFS as metadata storage in this example. Your GPFS cluster +should already be setup and ready to create filesets. + +File Transfer Nodes +------------------- +These nodes will be used to move data in parallel from one place to another. +We will use `PFtool `_ for this. + +User Facing Nodes +----------------- +These nodes will be used to present MarFS to users through a FUSE mount. + + +Dependencies +============ + +Depending on things you may need different things. To install and make use of +MarFS you will need the following tools. + +Fortunately many dependencies can be acquired through a package manager + +.. code-block:: bash + + yum install gcc glibc-devel fuse-devel libattr-devel make curl-devel + curl openssl-devel openssl git libxml2-devel yasm libtool openmpi + openmpi-devel + +Others can be obtained from source. + +.. code-block:: bash + + git clone https://github.com/mar-file-system/marfs.git + git clone https://github.com/mar-file-system/PA2X.git + git clone https://github.com/mar-file-system/erasureUtils.git + git clone https://github.com/mar-file-system/aws4c.git + git clone https://github.com/pftool/pftool.git + git clone https://github.com/01org/isa-l.git + +A quick description of tools acquired from source:: + + MarFS: The core MarFS libraries + PA2X: An XML parser for parsing the MarFS configuration file + ErasureUtils: The erasure coding layer used for Multi-Component storage + Aws4c: C library for AWS, used for S3 and RDMA authentication + Pftool: A tool for parallel data movement + ISA-L: Intel’s Intelligent Storage Acceleration Library + + + + + +Build and install from source +----------------------------- + +Using release tarball +--------------------- + + + + + + + diff --git a/docs/_build/html/_static/basic.css b/docs/_build/html/_static/basic.css new file mode 100644 index 00000000..19ced105 --- /dev/null +++ b/docs/_build/html/_static/basic.css @@ -0,0 +1,665 @@ +/* + * basic.css + * ~~~~~~~~~ + * + * Sphinx stylesheet -- basic theme. + * + * :copyright: Copyright 2007-2018 by the Sphinx team, see AUTHORS. + * :license: BSD, see LICENSE for details. + * + */ + +/* -- main layout ----------------------------------------------------------- */ + +div.clearer { + clear: both; +} + +/* -- relbar ---------------------------------------------------------------- */ + +div.related { + width: 100%; + font-size: 90%; +} + +div.related h3 { + display: none; +} + +div.related ul { + margin: 0; + padding: 0 0 0 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debugger +if (!window.console || !console.firebug) { + var names = ["log", "debug", "info", "warn", "error", "assert", "dir", + "dirxml", "group", "groupEnd", "time", "timeEnd", "count", "trace", + "profile", "profileEnd"]; + window.console = {}; + for (var i = 0; i < names.length; ++i) + window.console[names[i]] = function() {}; +} + */ + +/** + * small helper function to urldecode strings + */ +jQuery.urldecode = function(x) { + return decodeURIComponent(x).replace(/\+/g, ' '); +}; + +/** + * small helper function to urlencode strings + */ +jQuery.urlencode = encodeURIComponent; + +/** + * This function returns the parsed url parameters of the + * current request. Multiple values per key are supported, + * it will always return arrays of strings for the value parts. + */ +jQuery.getQueryParameters = function(s) { + if (typeof s === 'undefined') + s = document.location.search; + var parts = s.substr(s.indexOf('?') + 1).split('&'); + var result = {}; + for (var i = 0; i < parts.length; i++) { + var tmp = parts[i].split('=', 2); + var key = jQuery.urldecode(tmp[0]); + var value = jQuery.urldecode(tmp[1]); + if (key in result) + result[key].push(value); + else + result[key] = [value]; + } + return result; +}; + +/** + * highlight a given string on a jquery object by wrapping it in + * span elements with the given class name. + */ +jQuery.fn.highlightText = function(text, className) { + function highlight(node, addItems) { + if (node.nodeType === 3) { + var val = node.nodeValue; + var pos = val.toLowerCase().indexOf(text); + if (pos >= 0 && + !jQuery(node.parentNode).hasClass(className) && + !jQuery(node.parentNode).hasClass("nohighlight")) { + var span; + var isInSVG = jQuery(node).closest("body, svg, foreignObject").is("svg"); + if (isInSVG) { + span = document.createElementNS("http://www.w3.org/2000/svg", "tspan"); + } else { + span = document.createElement("span"); + span.className = className; + } + span.appendChild(document.createTextNode(val.substr(pos, text.length))); + node.parentNode.insertBefore(span, node.parentNode.insertBefore( + document.createTextNode(val.substr(pos + text.length)), + node.nextSibling)); + node.nodeValue = val.substr(0, pos); + if (isInSVG) { + var bbox = span.getBBox(); + var rect = document.createElementNS("http://www.w3.org/2000/svg", "rect"); + rect.x.baseVal.value = bbox.x; + rect.y.baseVal.value = bbox.y; + rect.width.baseVal.value = bbox.width; + rect.height.baseVal.value = bbox.height; + rect.setAttribute('class', className); + var parentOfText = node.parentNode.parentNode; + addItems.push({ + "parent": node.parentNode, + "target": rect}); + } + } + } + else if (!jQuery(node).is("button, select, textarea")) { + jQuery.each(node.childNodes, function() { + highlight(this, addItems); + }); + } + } + var addItems = []; + var result = this.each(function() { + highlight(this, addItems); + }); + for (var i = 0; i < addItems.length; ++i) { + jQuery(addItems[i].parent).before(addItems[i].target); + } + return result; +}; + +/* + * backward compatibility for jQuery.browser + * This will be supported until firefox bug is fixed. + */ +if (!jQuery.browser) { + jQuery.uaMatch = function(ua) { + ua = ua.toLowerCase(); + + var match = /(chrome)[ \/]([\w.]+)/.exec(ua) || + /(webkit)[ \/]([\w.]+)/.exec(ua) || + /(opera)(?:.*version|)[ \/]([\w.]+)/.exec(ua) || + /(msie) ([\w.]+)/.exec(ua) || + ua.indexOf("compatible") < 0 && /(mozilla)(?:.*? rv:([\w.]+)|)/.exec(ua) || + []; + + return { + browser: match[ 1 ] || "", + version: match[ 2 ] || "0" + }; + }; + jQuery.browser = {}; + jQuery.browser[jQuery.uaMatch(navigator.userAgent).browser] = true; +} + +/** + * Small JavaScript module for the documentation. + */ +var Documentation = { + + init : function() { + this.fixFirefoxAnchorBug(); + this.highlightSearchWords(); + this.initIndexTable(); + + }, + + /** + * i18n support + */ + TRANSLATIONS : {}, + PLURAL_EXPR : function(n) { return n === 1 ? 0 : 1; }, + LOCALE : 'unknown', + + // gettext and ngettext don't access this so that the functions + // can safely bound to a different name (_ = Documentation.gettext) + gettext : function(string) { + var translated = Documentation.TRANSLATIONS[string]; + if (typeof translated === 'undefined') + return string; + return (typeof translated === 'string') ? translated : translated[0]; + }, + + ngettext : function(singular, plural, n) { + var translated = Documentation.TRANSLATIONS[singular]; + if (typeof translated === 'undefined') + return (n == 1) ? singular : plural; + return translated[Documentation.PLURALEXPR(n)]; + }, + + addTranslations : function(catalog) { + for (var key in catalog.messages) + this.TRANSLATIONS[key] = catalog.messages[key]; + this.PLURAL_EXPR = new Function('n', 'return +(' + catalog.plural_expr + ')'); + this.LOCALE = catalog.locale; + }, + + /** + * add context elements like header anchor links + */ + addContextElements : function() { + $('div[id] > :header:first').each(function() { + $('\u00B6'). + attr('href', '#' + this.id). + attr('title', _('Permalink to this headline')). + appendTo(this); + }); + $('dt[id]').each(function() { + $('\u00B6'). + attr('href', '#' + this.id). + attr('title', _('Permalink to this definition')). + appendTo(this); + }); + }, + + /** + * workaround a firefox stupidity + * see: https://bugzilla.mozilla.org/show_bug.cgi?id=645075 + */ + fixFirefoxAnchorBug : function() { + if (document.location.hash && $.browser.mozilla) + window.setTimeout(function() { + document.location.href += ''; + }, 10); + }, + + /** + * highlight the search words provided in the url in the text + */ + highlightSearchWords : function() { + var params = $.getQueryParameters(); + 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+ + + +
+ + + + + +
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  • Docs »
  • + +
  • Index
  • + + +
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+ + +
+
+
+
+ + +

Index

+ +
+ +
+ + +
+ +
+
+ + +
+ +
+

+ © Copyright 2020 Triad National Security, LLC + +

+
+ Built with Sphinx using a theme provided by Read the Docs. + +
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+
+ +
+ +
+ + + + + + + + + + + + \ No newline at end of file diff --git a/docs/_build/html/index.html b/docs/_build/html/index.html new file mode 100644 index 00000000..7c82939b --- /dev/null +++ b/docs/_build/html/index.html @@ -0,0 +1,228 @@ + + + + + + + + + + + Welcome to MarFS’s documentation! — MarFS 1.13 documentation + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + +
+ + + + + +
+ +
+ + + + + + + + + + + + + + + + + +
+ + + + +
+
+
+
+ +
+

Welcome to MarFS’s documentation!

+ +
+
+

Indices and tables

+ +
+ + +
+ +
+
+ + + + +
+ +
+

+ © Copyright 2020 Triad National Security, LLC + +

+
+ Built with Sphinx using a theme provided by Read the Docs. + +
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+
+ +
+ +
+ + + + + + + + + + + + \ No newline at end of file diff --git a/docs/_build/html/install.html b/docs/_build/html/install.html new file mode 100644 index 00000000..da3806d6 --- /dev/null +++ b/docs/_build/html/install.html @@ -0,0 +1,335 @@ + + + + + + + + + + + Installing — MarFS 1.13 documentation + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + +
+ + + + + +
+ +
+ + + + + + + + + + + + + + + + + +
+ + + + +
+
+
+
+ +
+

Installing

+

This section describes the install process for MarFS.

+ +
+

Overview

+

MarFS uses separate storage for data and for metadata (MD). Data is stored as +erasure-coded objects. MarFS metadata can use any file-system that provides +extended-attributes and sparse-files. For scalability, it should also be a +distributed file-system. Previously, we have used object-storage systems, +accessed with the S3 protocol, but this install guide covers a more-recent +implementation called Multi-Component. A Multi-Component object-store is a +set of N+E identical file-systems (where N is the number of data-elements, +and E the number of erasure-elements, in an erasure-coding). When MarFS is +configured for Multi-Component repositories, it will break data “objects” into +N pieces, perform the erasure-coding on N data-elements to produce N+E new +elements, and will “stripe” those out across the N+E file-systems. We refer +to the set of N+E filesystems as a “pod”. It is possible to have multiple +pods, in which case MarFS uses a hash to select the pod, and writes the stripe +across members of the pod. Each pod is a distinct set of servers, and stripes +never span pods.

+

MarFS is a distributed parallel filesystem, thusly setup is complicated and +relies on a number of different technologies and systems. In this guide we +will go over the setup of an example system. This guide assumes knowledge of +ZFS, GPFS. MPI, and general Linux operations.

+
+
+

Example cluster

+

The example cluster we will create in this guide will use a number of +different storage systems for different functions. Our cluster is comprised of +Storage nodes which hold object data, Metadata Nodes which hold Metadata, +file transfer nodes for moving data in parallel, and finally a user node +which will present the MarFS cluster as a mounted filesystem to users. Our +example cluster will have:

+
+
    +
  • 4 Storage Nodes
  • +
  • 2 Metadata Nodes
  • +
  • 2 File Transfer Nodes
  • +
  • 1 User Node
  • +
+
+
+

Storage Nodes

+

Each storage node uses ZFS for MarFS block storage. Each node will have four +zpools in a RAIDZ3(17+3) configuration.

+
+
+

Metadata Nodes

+

We will be using GPFS as metadata storage in this example. Your GPFS cluster +should already be setup and ready to create filesets.

+
+
+

File Transfer Nodes

+

These nodes will be used to move data in parallel from one place to another. +We will use PFtool for this.

+
+
+

User Facing Nodes

+

These nodes will be used to present MarFS to users through a FUSE mount.

+
+
+
+

Dependencies

+

Depending on things you may need different things. To install and make use of +MarFS you will need the following tools.

+

Fortunately many dependencies can be acquired through a package manager

+
yum install gcc glibc-devel fuse-devel libattr-devel make curl-devel
+curl openssl-devel openssl git libxml2-devel yasm libtool openmpi
+openmpi-devel
+
+
+

Others can be obtained from source.

+
git clone https://github.com/mar-file-system/marfs.git
+git clone https://github.com/mar-file-system/PA2X.git
+git clone https://github.com/mar-file-system/erasureUtils.git
+git clone https://github.com/mar-file-system/aws4c.git
+git clone https://github.com/pftool/pftool.git
+git clone https://github.com/01org/isa-l.git
+
+
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A quick description of tools acquired from source:

+
MarFS: The core MarFS libraries
+PA2X: An XML parser for parsing the MarFS configuration file
+ErasureUtils: The erasure coding layer used for Multi-Component storage
+Aws4c: C library for AWS, used for S3 and RDMA authentication
+Pftool: A tool for parallel data movement
+ISA-L: Intel’s Intelligent Storage Acceleration Library
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For a full +# list see the documentation: +# https://www.sphinx-doc.org/en/master/usage/configuration.html + +# -- Path setup -------------------------------------------------------------- + +# If extensions (or modules to document with autodoc) are in another directory, +# add these directories to sys.path here. If the directory is relative to the +# documentation root, use os.path.abspath to make it absolute, like shown here. +# +# import os +# import sys +# sys.path.insert(0, os.path.abspath('.')) + + +# -- Project information ----------------------------------------------------- + +project = 'MarFS' +copyright = '2020 Triad National Security, LLC' +author = 'gransom@lanl.gov dbonnie@lanl.gov' + +# The full version, including alpha/beta/rc tags +release = '1.13' + + +# -- General configuration --------------------------------------------------- + +# Add any Sphinx extension module names here, as strings. They can be +# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom +# ones. + +master_doc = 'index' +extensions = [ +] + +# Add any paths that contain templates here, relative to this directory. +templates_path = ['_templates'] + +# List of patterns, relative to source directory, that match files and +# directories to ignore when looking for source files. +# This pattern also affects html_static_path and html_extra_path. +exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store'] + + +# -- Options for HTML output ------------------------------------------------- + +# The theme to use for HTML and HTML Help pages. See the documentation for +# a list of builtin themes. +# +html_theme = "sphinx_rtd_theme" + +# Add any paths that contain custom static files (such as style sheets) here, +# relative to this directory. They are copied after the builtin static files, +# so a file named "default.css" will overwrite the builtin "default.css". +html_static_path = ['_static'] diff --git a/docs/index.rst b/docs/index.rst new file mode 100644 index 00000000..c1f7ba86 --- /dev/null +++ b/docs/index.rst @@ -0,0 +1,15 @@ +.. MarFS documentation master file, created by + sphinx-quickstart on Wed Feb 26 14:01:53 2020. + You can adapt this file completely to your liking, but it should at least + contain the root `toctree` directive. + +Welcome to MarFS's documentation! +================================= +These documents are currently under construction, and should be viewed as +being in Alpha. Thank you for your patience! + +.. toctree:: + :maxdepth: 2 + :caption: Contents: + + install diff --git a/docs/install.rst b/docs/install.rst new file mode 100644 index 00000000..ca9b3712 --- /dev/null +++ b/docs/install.rst @@ -0,0 +1,118 @@ +Installing +********** + +This section describes the install process for MarFS. + +.. contents:: + :depth: 2 + :local: + + +Overview +======== +MarFS uses separate storage for data and for metadata (MD). Data is stored as +erasure-coded objects. MarFS metadata can use any file-system that provides +extended-attributes and sparse-files. For scalability, it should also be a +distributed file-system. Previously, we have used object-storage systems, +accessed with the S3 protocol, but this install guide covers a more-recent +implementation called Multi-Component. A Multi-Component object-store is a +set of N+E identical file-systems (where N is the number of data-elements, +and E the number of erasure-elements, in an erasure-coding). When MarFS is +configured for Multi-Component repositories, it will break data “objects” into +N pieces, perform the erasure-coding on N data-elements to produce N+E new +elements, and will “stripe” those out across the N+E file-systems. We refer +to the set of N+E filesystems as a “pod”. It is possible to have multiple +pods, in which case MarFS uses a hash to select the pod, and writes the stripe +across members of the pod. Each pod is a distinct set of servers, and stripes +never span pods. + +MarFS is a distributed parallel filesystem, thusly setup is complicated and +relies on a number of different technologies and systems. In this guide we +will go over the setup of an example system. This guide assumes knowledge of +ZFS, GPFS. MPI, and general Linux operations. + + +Example cluster +=============== +The example cluster we will create in this guide will use a number of +different storage systems for different functions. Our cluster is comprised of +Storage nodes which hold object data, Metadata Nodes which hold Metadata, +file transfer nodes for moving data in parallel, and finally a user node +which will present the MarFS cluster as a mounted filesystem to users. Our +example cluster will have: + + * 4 Storage Nodes + * 2 Metadata Nodes + * 2 File Transfer Nodes + * 1 User Node + +Storage Nodes +------------- +Each storage node uses ZFS for MarFS block storage. Each node will have four +zpools in a RAIDZ3(17+3) configuration. + +Metadata Nodes +-------------- +We will be using GPFS as metadata storage in this example. Your GPFS cluster +should already be setup and ready to create filesets. + +File Transfer Nodes +------------------- +These nodes will be used to move data in parallel from one place to another. +We will use `PFtool `_ for this. + +User Facing Nodes +----------------- +These nodes will be used to present MarFS to users through a FUSE mount. + + +Dependencies +============ + +Depending on things you may need different things. To install and make use of +MarFS you will need the following tools. + +Fortunately many dependencies can be acquired through a package manager + +.. code-block:: bash + + yum install gcc glibc-devel fuse-devel libattr-devel make curl-devel + curl openssl-devel openssl git libxml2-devel yasm libtool openmpi + openmpi-devel + +Others can be obtained from source. + +.. code-block:: bash + + git clone https://github.com/mar-file-system/marfs.git + git clone https://github.com/mar-file-system/PA2X.git + git clone https://github.com/mar-file-system/erasureUtils.git + git clone https://github.com/mar-file-system/aws4c.git + git clone https://github.com/pftool/pftool.git + git clone https://github.com/01org/isa-l.git + +A quick description of tools acquired from source:: + + MarFS: The core MarFS libraries + PA2X: An XML parser for parsing the MarFS configuration file + ErasureUtils: The erasure coding layer used for Multi-Component storage + Aws4c: C library for AWS, used for S3 and RDMA authentication + Pftool: A tool for parallel data movement + ISA-L: Intel’s Intelligent Storage Acceleration Library + + + + + +Build and install from source +----------------------------- + +Using release tarball +--------------------- + + + + + + + diff --git a/docs/make.bat b/docs/make.bat new file mode 100644 index 00000000..2119f510 --- /dev/null +++ b/docs/make.bat @@ -0,0 +1,35 @@ +@ECHO OFF + +pushd %~dp0 + +REM Command file for Sphinx documentation + +if "%SPHINXBUILD%" == "" ( + set SPHINXBUILD=sphinx-build +) +set SOURCEDIR=. +set BUILDDIR=_build + +if "%1" == "" goto help + +%SPHINXBUILD% >NUL 2>NUL +if errorlevel 9009 ( + echo. + echo.The 'sphinx-build' command was not found. Make sure you have Sphinx + echo.installed, then set the SPHINXBUILD environment variable to point + echo.to the full path of the 'sphinx-build' executable. Alternatively you + echo.may add the Sphinx directory to PATH. + echo. + echo.If you don't have Sphinx installed, grab it from + echo.http://sphinx-doc.org/ + exit /b 1 +) + +%SPHINXBUILD% -M %1 %SOURCEDIR% %BUILDDIR% %SPHINXOPTS% %O% +goto end + +:help +%SPHINXBUILD% -M help %SOURCEDIR% %BUILDDIR% %SPHINXOPTS% %O% + +:end +popd diff --git a/docs/requirements.txt b/docs/requirements.txt new file mode 100644 index 00000000..70571ad7 --- /dev/null +++ b/docs/requirements.txt @@ -0,0 +1,2 @@ +sphinx-rtd-theme==0.4.3 +sphinxcontrib-websupport==1.1.0 \ No newline at end of file