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.\" ========================================================================
.\"
.IX Title "BACKUP_LISTHOSTS 8"
.TH BACKUP_LISTHOSTS 8 "2023-12-24" "OpenAFS" "AFS Command Reference"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
backup_listhosts \- Lists Tape Coordinators registered in the Backup Database
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
\&\fBbackup listhosts\fR [\fB\-localauth\fR] [\fB\-cell\fR\ <\fIcell\ name\fR>] [\fB\-help\fR]
.PP
\&\fBbackup listh\fR [\fB\-l\fR] [\fB\-c\fR\ <\fIcell\ name\fR>] [\fB\-h\fR]
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
The \fBbackup listhosts\fR command displays the Backup Database record of the
port offset numbers defined for Tape Coordinator machines. A Tape
Coordinator must have an entry in the list to be available for backup
operations.
.PP
The existence of an entry does not necessarily indicate that the Tape
Coordinator process (\fBbutc\fR) is currently running at that port offset. To
check, issue the \fBbackup status\fR command.
.SH "OPTIONS"
.IX Header "OPTIONS"
.IP "\fB\-localauth\fR" 4
.IX Item "-localauth"
Constructs a server ticket using a key from the local
\&\fI/etc/openafs/server/KeyFile\fR file. The \fBbackup\fR command interpreter presents
it to the Backup Server, Volume Server and \s-1VL\s0 Server during mutual
authentication. Do not combine this flag with the \fB\-cell\fR argument. For
more details, see \fBbackup\fR\|(8).
.IP "\fB\-cell\fR <\fIcell name\fR>" 4
.IX Item "-cell <cell name>"
Names the cell in which to run the command. Do not combine this argument
with the \fB\-localauth\fR flag. For more details, see \fBbackup\fR\|(8).
.IP "\fB\-help\fR" 4
.IX Item "-help"
Prints the online help for this command. All other valid options are
ignored.
.SH "OUTPUT"
.IX Header "OUTPUT"
After a \f(CW\*(C`Tape hosts:\*(C'\fR header, the output reports two things about each
Tape Coordinator currently defined in the Backup Database:
.IP "\(bu" 4
The hostname of the machine housing the Tape Coordinator. The format of
this name depends on the hostname format used when the \fBbackup addhost\fR
command was issued.
.IP "\(bu" 4
The Tape Coordinator's port offset number.
.PP
The Tape Coordinators appear in the order in which they were added to the
Backup Database.
.SH "EXAMPLES"
.IX Header "EXAMPLES"
The following example shows the result of the command in the Example
Corporation cell:
.PP
.Vb 6
\&   % backup listhosts
\&   Tape hosts:
\&       Host backup1.example.com, port offset 0
\&       Host backup1.example.com, port offset 1
\&       Host backup3.example.com, port offset 4
\&       Host backup2.example.com, port offset 3
.Ve
.SH "PRIVILEGE REQUIRED"
.IX Header "PRIVILEGE REQUIRED"
The issuer must be listed in the \fI/etc/openafs/server/UserList\fR file on every
machine where the Backup Server is running, or must be logged onto a
server machine as the local superuser \f(CW\*(C`root\*(C'\fR if the \fB\-localauth\fR flag is
included.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fBbackup\fR\|(8),
\&\fBbackup_addhost\fR\|(8),
\&\fBbackup_delhost\fR\|(8),
\&\fBbackup_status\fR\|(8)
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
\&\s-1IBM\s0 Corporation 2000. <http://www.ibm.com/> All Rights Reserved.
.PP
This documentation is covered by the \s-1IBM\s0 Public License Version 1.0.  It was
converted from \s-1HTML\s0 to \s-1POD\s0 by software written by Chas Williams and Russ
Allbery, based on work by Alf Wachsmann and Elizabeth Cassell.