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.TH "CEPH-VOLUME-SYSTEMD" "8" "Oct 09, 2023" "dev" "Ceph"
.SH NAME
ceph-volume-systemd \- systemd ceph-volume helper tool
.SH SYNOPSIS
.nf
\fBceph\-volume\-systemd\fP \fIsystemd instance name\fP
.fi
.sp
.SH DESCRIPTION
.sp
\fBceph\-volume\-systemd\fP is a systemd helper tool that receives input
from (dynamically created) systemd units so that activation of OSDs can
proceed.
.sp
It translates the input into a system call to ceph\-volume for activation
purposes only.
.SH EXAMPLES
.sp
Its input is the \fBsystemd instance name\fP (represented by \fB%i\fP in a systemd
unit), and it should be in the following format:
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.EX
<ceph\-volume subcommand>\-<extra metadata>
.EE
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.sp
In the case of \fBlvm\fP a call could look like:
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.EX
/usr/bin/ceph\-volume\-systemd lvm\-0\-8715BEB4\-15C5\-49DE\-BA6F\-401086EC7B41
.EE
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.sp
Which in turn will call \fBceph\-volume\fP in the following way:
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.EX
ceph\-volume lvm trigger  0\-8715BEB4\-15C5\-49DE\-BA6F\-401086EC7B41
.EE
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.sp
Any other subcommand will need to have implemented a \fBtrigger\fP command that
can consume the extra metadata in this format.
.SH AVAILABILITY
.sp
\fBceph\-volume\-systemd\fP is part of Ceph, a massively scalable,
open\-source, distributed storage system. Please refer to the documentation at
\fI\%http://docs.ceph.com/\fP for more information.
.SH SEE ALSO
.sp
\fI\%ceph\-osd\fP(8),
.SH COPYRIGHT
2010-2023, Inktank Storage, Inc. and contributors. Licensed under Creative Commons Attribution Share Alike 3.0 (CC-BY-SA-3.0)
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