362 lines
12 KiB
Perl
362 lines
12 KiB
Perl
#!/usr/bin/env perl
|
|
#******************************************************************************
|
|
# @(#) pvs.pl
|
|
#******************************************************************************
|
|
# @(#) Copyright (C) 2016 by KUDOS BVBA <info@kudos.be>. All rights reserved.
|
|
#
|
|
# This program is a free software; you can redistribute it and/or modify
|
|
# it under the same terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful, but WITHOUT
|
|
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
|
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details
|
|
#******************************************************************************
|
|
# This script will display HP-UX LVM information in Linux style
|
|
#
|
|
# Based on https://jreypo.wordpress.com/2010/02/16/linux-lvm-commands-in-hp-ux/
|
|
#
|
|
# @(#) HISTORY: see perldoc 'pvs.pl'
|
|
# -----------------------------------------------------------------------------
|
|
# DO NOT CHANGE THIS FILE UNLESS YOU KNOW WHAT YOU ARE DOING!
|
|
#******************************************************************************
|
|
|
|
#******************************************************************************
|
|
# PRAGMA's & LIBRARIES
|
|
#******************************************************************************
|
|
|
|
use strict;
|
|
use warnings;
|
|
use POSIX qw(uname ceil);
|
|
use Getopt::Long;
|
|
use Pod::Usage;
|
|
use Data::Dumper;
|
|
$|++;
|
|
|
|
|
|
#******************************************************************************
|
|
# DATA structures
|
|
#******************************************************************************
|
|
|
|
my ($os, $version, $footer, $warning);
|
|
my $warn_devices = 500;
|
|
my %options;
|
|
my (@pvol, @cvol, @vgdisplay);
|
|
my %cdsf;
|
|
|
|
#******************************************************************************
|
|
# SUBroutines
|
|
#******************************************************************************
|
|
|
|
sub parse_pvols {
|
|
|
|
my @pvol = @_;
|
|
my $pv_command;
|
|
my %pvdisplay;
|
|
my (@dsf,@sorted_dsf,@has_underscore);
|
|
|
|
unless (@pvol) {
|
|
print "-- no disks found --\n";
|
|
return;
|
|
}
|
|
|
|
# collect DSF/cDSF & pvol info
|
|
foreach my $pvol (@pvol) {
|
|
|
|
my (@dsf_data, @cdsf_data, @other_dsf);
|
|
my ($dsf, $cdsf, $is_cdsf) = ("","",0);
|
|
|
|
chomp ($pvol);
|
|
|
|
# check for DSF or cDSF?
|
|
if ($pvol =~ m/cdisk/) {
|
|
$pvol =~ s#cdisk/##;
|
|
$is_cdsf = 1;
|
|
# we have the cDSF, get the DSF (should only be 1!)
|
|
@dsf_data = grep (/rcdisk\/${pvol}:/, @cvol);
|
|
($dsf) = (split (/:/, $dsf_data[0]))[1];
|
|
chomp ($dsf);
|
|
$dsf =~ s#/dev/rdisk/## if (defined ($dsf));
|
|
if ($dsf eq "") {
|
|
# workaround for bug in ioscan -FkN -m cluster_dsf but it works without '-F'
|
|
@other_dsf = `/usr/sbin/ioscan -kn -m cluster_dsf /dev/cdisk/$pvol 2>/dev/null | grep "$pvol" | awk '{print \$2}' | cut -f4 -d'/'`;
|
|
$dsf = $other_dsf[0];
|
|
chomp ($dsf);
|
|
if ($dsf eq "") {
|
|
print STDERR "ERROR: unable to find dsf for $pvol\n";
|
|
next;
|
|
} else {
|
|
# save the cDSF
|
|
push (@{$cdsf{$dsf}}, $pvol);
|
|
}
|
|
} else {
|
|
# save the cDSF
|
|
push (@{$cdsf{$dsf}}, $pvol);
|
|
}
|
|
} else {
|
|
# we have the DSF, get the cDSF (could be >1)
|
|
@cdsf_data = grep (/rdisk\/${pvol}:/, @cvol);
|
|
($dsf = $pvol) =~ s#disk/## if (defined ($dsf));
|
|
|
|
# set cDSF flag if we found cDSFs
|
|
$is_cdsf = 1 if (@cdsf_data);
|
|
|
|
# loop over cDSF data
|
|
foreach my $cdsf_data (@cdsf_data) {
|
|
|
|
($cdsf) = (split (/:/, $cdsf_data))[0];
|
|
$cdsf =~ s#/dev/rcdisk/##;
|
|
# save the cDSF
|
|
push (@{$cdsf{$dsf}}, $cdsf) if (defined ($cdsf));
|
|
}
|
|
}
|
|
|
|
# pvdisplay on DSF/cDSF (must be correct one!) but record it under $dsf
|
|
# no error handling here, error indicates: inactive/non-LVM stuff
|
|
if ($is_cdsf) {
|
|
# get info of the first cDSF
|
|
@{$pvdisplay{$dsf}} = `/usr/sbin/pvdisplay -F /dev/cdisk/@{$cdsf{$dsf}}[0] 2>/dev/null`;
|
|
} else {
|
|
@{$pvdisplay{$dsf}} = `/usr/sbin/pvdisplay -F /dev/disk/${dsf} 2>/dev/null`;
|
|
}
|
|
push (@dsf, $dsf);
|
|
}
|
|
|
|
# set comparison operator based on dsf type
|
|
@has_underscore = grep { /_/ } @dsf;
|
|
if (@has_underscore) {
|
|
@sorted_dsf = sort { substr($a, 4) cmp substr($b, 4) } (@dsf);
|
|
} else {
|
|
@sorted_dsf = sort { substr($a, 4) <=> substr($b, 4) } (@dsf);
|
|
}
|
|
|
|
# display pvol data (sorted by their device number: diskYYYY or diskXXXX_pY)
|
|
foreach my $dsf (@sorted_dsf) {
|
|
|
|
chomp ($dsf);
|
|
|
|
my ($cdsf, $cdsf_bit) = ("","");
|
|
|
|
# make cDSF bit
|
|
if (defined (@{$cdsf{$dsf}})) {
|
|
# display only the first cDSF! (in case of multiples)
|
|
$cdsf = @{$cdsf{$dsf}}[0];
|
|
$cdsf_bit = "(".scalar (@{$cdsf{$dsf}}).")";
|
|
} else {
|
|
$cdsf = "n/a";
|
|
}
|
|
|
|
if (@{$pvdisplay{$dsf}}) {
|
|
|
|
# check for PV data
|
|
foreach my $pv_entry (@{$pvdisplay{$dsf}}) {
|
|
|
|
my ($vg_name, $pv_status)= ("","");
|
|
my ($pv_total_pe, $pv_size_pe, $pv_free_pe, $pv_stale_pe) = (0,0,0,0);
|
|
my ($pv_size, $pv_free) = (0,0);
|
|
|
|
my @pv_data = split (/:/, $pv_entry);
|
|
|
|
# loop over PVOL data
|
|
foreach my $pv_field (@pv_data) {
|
|
|
|
$vg_name = $1 if ($pv_field =~ m%^vg_name=/dev/(.*)%);
|
|
$pv_status = $1 if ($pv_field =~ m%^pv_status=(.*)%);
|
|
$pv_total_pe = $1 if ($pv_field =~ m%^total_pe=(.*)%);
|
|
$pv_size_pe = $1 if ($pv_field =~ m%^pe_size=(.*)%);
|
|
$pv_free_pe = $1 if ($pv_field =~ m%^free_pe=(.*)%);
|
|
$pv_stale_pe = $1 if ($pv_field =~ m%^stale_pe=(.*)%);
|
|
}
|
|
# calculate sizes
|
|
$pv_size = $pv_total_pe * $pv_size_pe;
|
|
$pv_size /= 1024 unless ($options{'size'} =~ /MB/i);
|
|
$pv_size = ceil ($pv_size);
|
|
$pv_free = $pv_free_pe * $pv_size_pe;
|
|
$pv_free /= 1024 unless ($options{'size'} =~ /MB/i);
|
|
$pv_free = ceil ($pv_free);
|
|
|
|
# report data
|
|
printf STDOUT ("%-12s %-10s %-4s %-25s %-20s %-7d %-8d %-8d %-8d\n",
|
|
$dsf,
|
|
$cdsf,
|
|
$cdsf_bit,
|
|
$vg_name,
|
|
$pv_status,
|
|
$pv_size_pe,
|
|
$pv_size,
|
|
$pv_free,
|
|
$pv_stale_pe)
|
|
}
|
|
} else {
|
|
unless ($options{'active'}) {
|
|
printf STDOUT ("%-12s %-10s %-4s %-25s %-20s\n",
|
|
$dsf,
|
|
$cdsf,
|
|
$cdsf_bit,
|
|
"n/a",
|
|
"not active/not LVM");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
sub print_header {
|
|
|
|
unless ($options{'terse'}) {
|
|
|
|
if (scalar (@pvol) > $warn_devices) {
|
|
$warning = qq{
|
|
WARNING: You have more than $warn_devices disk devices on your system. Collecting the PV information will take some time...
|
|
};
|
|
print STDOUT "$warning";
|
|
}
|
|
|
|
printf STDOUT ("\n%-12s %-10s %-4s %-25s %-20s %-7s %-8s %-8s %-8s\n",
|
|
"PV", "cDSF", "(#)", "VG", "Status", "PE Size", "PV Size", "PV Free", "Stale PE");
|
|
}
|
|
}
|
|
|
|
|
|
#******************************************************************************
|
|
# MAIN routine
|
|
#******************************************************************************
|
|
|
|
# where and what am I?
|
|
die ("ERROR: must be invoked as root\n") if ($<);
|
|
($os, $version) = (uname())[0,2];
|
|
die ("ERROR: only runs on HP-UX v11.31") unless ($os eq 'HP-UX' and $version eq 'B.11.31');
|
|
|
|
# process command-line options
|
|
if ( @ARGV > 0 ) {
|
|
Getopt::Long::Configure('prefix_pattern=(--|-|\/)', 'bundling', 'no_ignore_case');
|
|
GetOptions( \%options,
|
|
qw(
|
|
help|h|?
|
|
size|s=s
|
|
vg|g=s
|
|
active|a
|
|
terse|t
|
|
));
|
|
}
|
|
# check options
|
|
if ($options{'help'}) {
|
|
pod2usage(-verbose => 3);
|
|
exit (0);
|
|
};
|
|
unless ($options{'size'}) {
|
|
$options{'size'} = 'GB';
|
|
};
|
|
if ($options{'vg'}) {
|
|
$options{'vg'} =~ s#/dev/##;
|
|
# force --active off
|
|
delete $options{'active'};
|
|
};
|
|
|
|
# fetch cDSF map
|
|
@cvol = `/usr/sbin/ioscan -kFN -m cluster_dsf 2>/dev/null`;
|
|
die "ERROR: could not retrieve cDSF info" if ($?);
|
|
|
|
# fetch PVOLs (non-boot)
|
|
if ($options{'vg'}) {
|
|
# pvols can be cluster-wide or regular disks here! (output: cdisk/diskXXXX or disk/diskYYYY)
|
|
@pvol = `/usr/sbin/vgdisplay -vF "/dev/${options{'vg'}}" 2>/dev/null | grep "^pv_name" | cut -f1 -d':' | cut -f2 -d'=' | cut -f3-4 -d '/'`;
|
|
unless (@pvol) { die "ERROR: could not retrieve VG info for ${options{'vg'}}" };
|
|
print_header;
|
|
parse_pvols (@pvol);
|
|
} else {
|
|
# output: diskYYYY
|
|
@pvol = `/usr/sbin/ioscan -kFN -C disk 2>/dev/null | cut -f9,13 -d':' | tr -d ':'`;
|
|
die "ERROR: could not retrieve ioscan info" if ($?);
|
|
print_header;
|
|
parse_pvols (@pvol);
|
|
|
|
# fetch PVOLs (boot); output: diskYYYY
|
|
unless ($options{'terse'}) { print "\n-- Boot disk(s):\n"; }
|
|
@pvol = `/usr/sbin/lvlnboot -v 2>/dev/null | grep 'Boot Disk' | awk '{ print \$1 }' | cut -f4 -d '/'`;
|
|
die "ERROR: could not retrieve boot info" if ($?);
|
|
parse_pvols (@pvol);
|
|
}
|
|
|
|
# footer
|
|
unless ($options{'terse'}) {
|
|
|
|
$footer = qq{
|
|
Note 1: 'PE Size' values are expressed in MB
|
|
Note 2: 'PV Size' & 'PV Free' values are expressed in GB by default (see --help)
|
|
Note 3: cDSF: only the first cluster-wide device is shown in case of multiples. The number of cDSF is displayed in
|
|
parentheses following the cDSF name.
|
|
Note 4: more detailed information can be obtained by running the pvdisplay(1M), vgdisplay(1M), lvdisplay(1M) commands
|
|
|
|
};
|
|
|
|
print STDOUT $footer;
|
|
}
|
|
|
|
exit (0);
|
|
|
|
#******************************************************************************
|
|
# End of SCRIPT
|
|
#******************************************************************************
|
|
__END__
|
|
#******************************************************************************
|
|
# POD
|
|
#******************************************************************************
|
|
|
|
# -----------------------------------------------------------------------------
|
|
|
|
=head1 NAME
|
|
|
|
pvs.pl - Show physical volume information in a terse way (Linux style).
|
|
|
|
=head1 SYNOPSIS
|
|
|
|
pvs.pl [-h|--help]
|
|
[(-g|--vg)=<vg_name>]
|
|
[(-s|--size)=<MB|GB>]
|
|
[(-a|--active)]
|
|
[(-t|--terse)]
|
|
|
|
=head1 OPTIONS
|
|
|
|
=over 2
|
|
|
|
=item -h | --help
|
|
|
|
S< >Show the help page.
|
|
|
|
=item -a | --active
|
|
|
|
S< >Hide non-active and non-LVM disks. Cannot be used in conjunction with --vg.
|
|
|
|
=item -g | --vg
|
|
|
|
S< >Display physical volumes for a specific volume group. Volume group name should be specified without the "/dev/" prefix.
|
|
|
|
=item -s | --size
|
|
|
|
S< >Show physical volume size in MB or GB (default is GB).
|
|
|
|
=item -t | --terse
|
|
|
|
S< >Do not show header and footer information.
|
|
|
|
=head1 NOTE
|
|
|
|
Collecting & displaying the data might take a considerable amount of time depending
|
|
on the amount of devices present on the system.
|
|
|
|
=head1 AUTHOR
|
|
|
|
(c) KUDOS BVBA - Patrick Van der Veken
|
|
|
|
=head1 history
|
|
|
|
@(#) 2016-04-12: first version [Patrick Van der Veken]
|
|
@(#) 2016-04-27: small fixes [Patrick Van der Veken]
|
|
@(#) 2016-04-27: show all PVOLs & option --active added [Patrick Van der Veken]
|
|
@(#) 2017-12-12: added support for cluster disks, added --terse [Patrick Van der Veken]
|
|
@(#) 2019-02-08: fix for comparison operator + remove /dev/ prefix for VG [Patrick Van der Veken]
|
|
@(#) 2020-03-26: use ceil() to round up to more sensible numbers [Patrick Van der Veken]
|
|
@(#) 2020-04-25: workaround for bug(?) in ioscan + display error when no dsf is found [Patrick Van der Veken]
|