backup.rst
author Oleksandr Gavenko <gavenkoa@gmail.com>
Mon, 09 Oct 2017 10:49:36 +0300
changeset 2188 e95731eef030
parent 2181 a657e0a7446b
child 2198 81ae8abd153a
permissions -rw-r--r--
Fixed: NameError: name 'locale_encoding' is not defined File /bin/rst2html.py, line 17, in <module> from docutils.core import publish_cmdline, default_description File /usr/lib/python2.7/site-packages/docutils/core.py, line 20, in <module> from docutils import frontend, io, utils, readers, writers File /usr/lib/python2.7/site-packages/docutils/frontend.py, line 41, in <module> import docutils.utils File /usr/lib/python2.7/site-packages/docutils/utils/__init__.py, line 20, in <module> import docutils.io File /usr/lib/python2.7/site-packages/docutils/io.py, line 18, in <module> from docutils.utils.error_reporting import locale_encoding, ErrorString, ErrorOutput File /usr/lib/python2.7/site-packages/docutils/utils/error_reporting.py, line 60, in <module> codecs.lookup(locale_encoding or '') # None -> '' NameError: name 'locale_encoding' is not defined


=========================
 Backuping and restoring
=========================

rsync
=====

Emulate file transfer with ``-n`` or by longer form ``--dry-run``.

Use FS with hardlink with ``cp -l``::

  $ cp -al  /backup/old /backup/new
  $ rsync -a --delete --progress /data/ /backup/new/

Use FS hardlink exclusively with ``rsync``::

  $ rsync -a --delete --progress --link-dest=../previous /data/ /backup/new/

.. note:: ``--link-dest`` accepts a relative path, it is relative to the
          destination directory.

.. note:: Cygwin ``rsync`` implementation can use NTFS hard links with
   ``--link-dest`` option. Check it with::

     cmd> fsutil hardlink list c:\backup\new\file.txt

Avoid carrying permissions and other attributes with::

  --no-p --no-o --no-g --no-A --no-X -O -J

To show current progress::

  -v  --progress

To copy over ssh::

  $ rsync -n -e 'ssh -l $RUSER' -r  /archive/ $RHOST:/archive/
  $ rsync -n -e 'ssh -l $RUSER' -r  /archive/ $RUSER@$RHOST:/archive/

To compare only based on file size use ``--size-only``. In that case ``-t``
option will preserve modification time.