220 lines
6.9 KiB
Perl
220 lines
6.9 KiB
Perl
#!/usr/bin/env perl
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#******************************************************************************
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# @(#) lvs.pl
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#******************************************************************************
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# @(#) Copyright (C) 2016 by KUDOS BVBA <info@kudos.be>. All rights reserved.
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#
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# This program is a free software; you can redistribute it and/or modify
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# it under the same terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details
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#******************************************************************************
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# This script will display HP-UX LVM information in Linux style
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#
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# Based on https://jreypo.wordpress.com/2010/02/16/linux-lvm-commands-in-hp-ux/
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#
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# @(#) HISTORY: see perldoc 'lvs.pl'
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# -----------------------------------------------------------------------------
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# DO NOT CHANGE THIS FILE UNLESS YOU KNOW WHAT YOU ARE DOING!
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#******************************************************************************
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#******************************************************************************
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# PRAGMA's & LIBRARIES
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#******************************************************************************
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use strict;
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use warnings;
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use POSIX qw(uname ceil);
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use Getopt::Long;
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use Pod::Usage;
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$|++;
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#******************************************************************************
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# DATA structures
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#******************************************************************************
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my ($os, $version, $footer);
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my %options;
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my (@vgdisplay, @lvdisplay);
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my $lv_str_size=25;
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my $vg_str_size=15;
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#******************************************************************************
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# MAIN routine
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#******************************************************************************
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# where and what am I?
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die ("ERROR: must be invoked as root\n") if ($<);
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($os, $version) = (uname())[0,2];
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die ("ERROR: only runs on HP-UX v11.31") unless ($os eq 'HP-UX' and $version eq 'B.11.31');
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# process command-line options
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if ( @ARGV > 0 ) {
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Getopt::Long::Configure('prefix_pattern=(--|-|\/)', 'bundling', 'no_ignore_case');
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GetOptions( \%options,
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qw(
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help|h|?
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size|s=s
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vg|g=s
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terse|t
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));
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}
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# check options
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if ($options{'help'}) {
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pod2usage(-verbose => 3);
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exit (0);
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};
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unless ($options{'size'}) {
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$options{'size'} = 'GB';
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};
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if ($options{'vg'}) {
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$options{'vg'} =~ s#/dev/##;
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};
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# fetch LVOLs
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if ($options{'vg'}) {
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@vgdisplay = `/usr/sbin/vgdisplay -vF ${options{'vg'}} 2>/dev/null | grep "^lv_name"`;
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} else {
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@vgdisplay = `/usr/sbin/vgdisplay -vF 2>/dev/null | grep "^lv_name"`;
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}
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die "ERROR: could not retrieve VG info for $options{'vg'}" if ($?);
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# find max display size for LV & VG names
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@lvdisplay = `ls -1 /dev/vg*/l* 2>/dev/null`;
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foreach my $lv_entry (@lvdisplay) {
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my $str_size = 0; my @vg_entry;
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$str_size = length ($lv_entry);
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$lv_str_size = $str_size if ($str_size > $lv_str_size);
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@vg_entry = split ('/', $lv_entry);
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$str_size = length ($vg_entry[2]);
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$vg_str_size = $str_size if ($str_size > $vg_str_size);
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}
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# print header
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unless ($options{'terse'}) {
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printf STDOUT ("\n%-${lv_str_size}s %-${vg_str_size}s %-17s %-7s %-7s %-17s %-7s %-8s %-8s\n",
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"LV", "VG", "Status", "Size", "Extents", "Permissions", "Mirrors", "Stripes", "Allocation");
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}
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# loop over LVOLs (ASCII sorted)
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foreach my $lvol (sort (@vgdisplay)) {
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my $lv_name = (split (/=/, (split (/:/, $lvol))[0]))[1];
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@lvdisplay = `/usr/sbin/lvdisplay -F ${lv_name} 2>/dev/null`;
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die "failed to execute: $!" if ($?);
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# loop over lvdisplay
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foreach my $lv_entry (@lvdisplay) {
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my ($vg_name, $lv_status, $lv_perm, $lv_alloc) = ("","","","");
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my ($lv_mirrors, $lv_stripes, $lv_size, $lv_extent) = (0,0,0,0);
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my @lv_data = split (/:/, $lv_entry);
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# loop over LVOL data
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foreach my $lv_field (@lv_data) {
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$vg_name = $1 if ($lv_field =~ m%^lv_name=/dev/(.*)/%);
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$lv_status = $1 if ($lv_field =~ m%^lv_status=(.*)%);
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$lv_perm = $1 if ($lv_field =~ m%^lv_permission=(.*)%);
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$lv_mirrors = $1 if ($lv_field =~ m%^mirror_copies=(.*)%);
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$lv_stripes = $1 if ($lv_field =~ m%^stripes=(.*)%);
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$lv_alloc = $1 if ($lv_field =~ m%^allocation=(.*)%);
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$lv_size = $1 if ($lv_field =~ m%^lv_size=(.*)%);
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$lv_extent = $1 if ($lv_field =~ m%^current_le=(.*)%);
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}
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# convert to GB if needed
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$lv_size /= 1024 unless ($options{'size'} =~ /MB/i);
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$lv_size = ceil ($lv_size);
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# report data
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printf STDOUT ("%-${lv_str_size}s %-${vg_str_size}s %-17s %-7d %-7d %-17s %-7s %-8s %-8s\n",
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$lv_name,
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$vg_name,
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$lv_status,
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$lv_size,
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$lv_extent,
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$lv_perm,
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$lv_mirrors,
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$lv_stripes,
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$lv_alloc)
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}
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}
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# footer
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unless ($options{'terse'}) {
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$footer = qq{
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Note 1: 'Size' values are expressed in GB by default (see --help)
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Note 2: more detailed information can be obtained by running the pvdisplay(1M), vgdisplay(1M), lvdisplay(1M) commands
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};
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print STDOUT $footer;
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}
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exit (0);
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#******************************************************************************
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# End of SCRIPT
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#******************************************************************************
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__END__
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#******************************************************************************
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# POD
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#******************************************************************************
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# -----------------------------------------------------------------------------
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=head1 NAME
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lvs.pl - Show logical volume information in a terse way (Linux style).
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=head1 SYNOPSIS
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lvs.pl [-h|--help]
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[(-g|--vg)=<vg_name>]
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[(-s|--size)=<MB|GB>]
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[(-t|--terse)]
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=head1 OPTIONS
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=over 2
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=item -h | --help
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S< >Show the help page.
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=item -g | --vg
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S< >Display logical volumes for a specific volume group.
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=item -s | --size
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S< >Show logical volume size in MB or GB (default is GB).
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=item -t | --terse
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S< >Do not show header and footer information.
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=head1 AUTHOR
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(c) KUDOS BVBA - Patrick Van der Veken
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=head1 history
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@(#) 2016-04-12: first version [Patrick Van der Veken]
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@(#) 2016-04-27: small fixes [Patrick Van der Veken]
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@(#) 2016-06-27: added LV extents [Patrick Van der Veken]
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@(#) 2017-12-12: made LV+VG names display size dynamic, added --terse [Patrick Van der Veken]
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@(#) 2019-02-08: remove /dev/ prefix for VG [Patrick Van der Veken]
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@(#) 2020-03-26: use ceil() to round up to more sensible numbers [Patrick Van der Veken]
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