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1.4 KiB
ReStructuredText
56 lines
1.4 KiB
ReStructuredText
:orphan:
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=======================================================
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ceph-volume-systemd -- systemd ceph-volume helper tool
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=======================================================
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.. program:: ceph-volume-systemd
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Synopsis
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========
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| **ceph-volume-systemd** *systemd instance name*
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Description
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===========
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:program:`ceph-volume-systemd` is a systemd helper tool that receives input
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from (dynamically created) systemd units so that activation of OSDs can
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proceed.
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It translates the input into a system call to ceph-volume for activation
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purposes only.
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Examples
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========
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Its input is the ``systemd instance name`` (represented by ``%i`` in a systemd
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unit), and it should be in the following format::
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<ceph-volume subcommand>-<extra metadata>
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In the case of ``lvm`` a call could look like::
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/usr/bin/ceph-volume-systemd lvm-0-8715BEB4-15C5-49DE-BA6F-401086EC7B41
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Which in turn will call ``ceph-volume`` in the following way::
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ceph-volume lvm trigger 0-8715BEB4-15C5-49DE-BA6F-401086EC7B41
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Any other subcommand will need to have implemented a ``trigger`` command that
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can consume the extra metadata in this format.
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Availability
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============
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:program:`ceph-volume-systemd` is part of Ceph, a massively scalable,
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open-source, distributed storage system. Please refer to the documentation at
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http://docs.ceph.com/ for more information.
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See also
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========
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:doc:`ceph-osd <ceph-osd>`\(8),
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