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.\"     Title: vfs_shell_snap
.\"    Author: [see the "AUTHOR" section]
.\" Generator: DocBook XSL Stylesheets v1.75.2 <http://docbook.sf.net/>
.\"      Date: 09/26/2023
.\"    Manual: System Administration tools
.\"    Source: Samba 4.13.17
.\"  Language: English
.\"
.TH "VFS_SHELL_SNAP" 8 "09/26/2023" "Samba 4\&.13\&.17" "System Administration tools"
.\" -----------------------------------------------------------------
.\" * set default formatting
.\" -----------------------------------------------------------------
.\" disable hyphenation
.nh
.\" disable justification (adjust text to left margin only)
.ad l
.\" -----------------------------------------------------------------
.\" * MAIN CONTENT STARTS HERE *
.\" -----------------------------------------------------------------
.SH "NAME"
vfs_shell_snap \- Shell script callouts for snapshot creation and deletion
.SH "SYNOPSIS"
.HP \w'\ 'u
vfs objects = shell_snap
.SH "DESCRIPTION"
.PP
This VFS module is part of the
\fBsamba\fR(8)
suite\&.
.PP
The
vfs_shell_snap
VFS provides shell\-script callouts for snapshot creation and deletion operations issued by remote clients using the File Server Remote VSS Protocol (FSRVP)\&.
.PP
The following shell callouts may be configured in smb\&.conf:
.PP

\m[blue]\fBshell_snap:check path command\fR\m[]
.RS
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
Called when an FSRVP client wishes to check whether a given share supports snapshot create/delete requests\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
The command is called with a single
\fIshare_path\fR
argument\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
The command must return 0 if
\fIshare_path\fR
is capable of being snapshotted\&.
.RE
.sp
.RE
.PP

\m[blue]\fBshell_snap:create command\fR\m[]
.RS
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
Called when an FSRVP client wishes to create a snapshot\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
The command is called with a single
\fIshare_path\fR
argument\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
The command must return 0 status if the snapshot was successfully taken\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
The command must output the path of the newly created snapshot to stdout\&.
.RE
.sp
.RE
.PP

\m[blue]\fBshell_snap:delete command\fR\m[]
.RS
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
Called when an FSRVP client wishes to delete a snapshot\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
The command is called with
\fIbase_share_path\fR
and
\fIsnapshot_share_path\fR
arguments\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
The command must return 0 status if the snapshot was successfully removed\&.
.RE
.sp
.RE
All commands are executed as the authenticated FSRVP client user\&.
.PP
This module is stackable\&.
.SH "CONFIGURATION"
.sp
.if n \{\
.RS 4
.\}
.nf
		\fI[share]\fR
		\m[blue]\fBvfs objects = shell_snap\fR\m[]
		\m[blue]\fBshell_snap:check path command = snap_check_path\&.sh\fR\m[]
		\m[blue]\fBshell_snap:create command = snap_create\&.sh\fR\m[]
		\m[blue]\fBshell_snap:delete command = snap_delete\&.sh\fR\m[]
	
.fi
.if n \{\
.RE
.\}
.PP
Samba\'s FSRVP server must be configured in the [global] section:
.sp
.if n \{\
.RS 4
.\}
.nf
		\fI[global]\fR
		\m[blue]\fBrpc_daemon:fssd = fork\fR\m[]
		\m[blue]\fBregistry shares = yes\fR\m[]
		\m[blue]\fBinclude = registry\fR\m[]
	
.fi
.if n \{\
.RE
.\}
.SH "VERSION"
.PP
This man page is part of version 4\&.13\&.17 of the Samba suite\&.
.SH "AUTHOR"
.PP
The original Samba software and related utilities were created by Andrew Tridgell\&. Samba is now developed by the Samba Team as an Open Source project similar to the way the Linux kernel is developed\&.

.\" Oracle has added the ARC stability level to this manual page
.SH ATTRIBUTES
See
.BR attributes (7)
for descriptions of the following attributes:
.sp
.TS
box;
cbp-1 | cbp-1
l | l .
ATTRIBUTE TYPE	ATTRIBUTE VALUE 
=
Availability	service/network/samba
=
Stability	Volatile
.TE

.PP

.SH NOTES

.\" Oracle has added source availability information to this manual page
Source code for open source software components in Oracle Solaris can be found at https://www.oracle.com/downloads/opensource/solaris-source-code-downloads.html.

This software was built from source available at https://github.com/oracle/solaris-userland.  The original community source was downloaded from  https://download.samba.org/pub/samba/stable/samba-4.13.17.tar.gz.

Further information about this software can be found on the open source community website at http://www.samba.org/.