vg_name=/dev/vg00:vg_write_access=read,write:vg_status=available:max_lv=255:cur_lv=9:open_lv=9:max_pv=16:cur_pv=1:act_pv=1:max_pe_per_pv=2953:vgda=2:pe_size=16:total_pe=2055:alloc_pe=1984:free_pe=71:total_pvg=0:total_spare_pvs=0:total_spare_pvs_in_use=0:vg_version=1.0.0
lv_name=/dev/vg00/lvol1:lv_status=available,syncd:lv_size=1024:current_le=64:allocated_pe=64:used_pv=1
lv_name=/dev/vg00/lvol2:lv_status=available,syncd:lv_size=4096:current_le=256:allocated_pe=256:used_pv=1
lv_name=/dev/vg00/lvol3:lv_status=available,syncd:lv_size=1024:current_le=64:allocated_pe=64:used_pv=1
lv_name=/dev/vg00/lvol4:lv_status=available,syncd:lv_size=1024:current_le=64:allocated_pe=64:used_pv=1
lv_name=/dev/vg00/lvol5:lv_status=available,syncd:lv_size=2048:current_le=128:allocated_pe=128:used_pv=1
lv_name=/dev/vg00/lvol6:lv_status=available,syncd:lv_size=8192:current_le=512:allocated_pe=512:used_pv=1
lv_name=/dev/vg00/lvol7:lv_status=available,syncd:lv_size=4096:current_le=256:allocated_pe=256:used_pv=1
lv_name=/dev/vg00/lvol8:lv_status=available,syncd:lv_size=8192:current_le=512:allocated_pe=512:used_pv=1
lv_name=/dev/vg00/lvol9:lv_status=available,syncd:lv_size=2048:current_le=128:allocated_pe=128:used_pv=1
pv_name=/dev/disk/disk2_p2:pv_status=available:total_pe=2055:free_pe=71:autoswitch=On:proactive_polling=On
pv_name=/dev/disk/disk2_p3:pv_status=available:total_pe=2055:free_pe=71:autoswitch=On:proactive_polling=On
pv_name=/dev/disk/disk2_p4:pv_status=available:total_pe=2055:free_pe=71:autoswitch=On:proactive_polling=On
vg_name=/dev/vg01:vg_write_access=read,write:vg_status=available:max_lv=255:cur_lv=4:open_lv=4:max_pv=16:cur_pv=1:act_pv=1:max_pe_per_pv=4351:vgda=2:pe_size=4:total_pe=4351:alloc_pe=2646:free_pe=1705:total_pvg=0:total_spare_pvs=0:total_spare_pvs_in_use=0:vg_version=1.0.0
lv_name=/dev/vg01/lvol1:lv_status=available,syncd:lv_size=7000:current_le=1750:allocated_pe=1750:used_pv=1
lv_name=/dev/vg01/lvol2:lv_status=available,syncd:lv_size=512:current_le=128:allocated_pe=128:used_pv=1
lv_name=/dev/vg01/lvol3:lv_status=available,syncd:lv_size=2048:current_le=512:allocated_pe=512:used_pv=1
lv_name=/dev/vg01/lvol4:lv_status=available,syncd:lv_size=1024:current_le=256:allocated_pe=256:used_pv=1
pv_name=/dev/dsk/c0t1d0:pv_status=available:total_pe=4351:free_pe=1705:autoswitch=On:proactive_polling=On

##</code><code>##

#!/usr/bin/env perl

$FILE="/etc/mnttab";
open FILE or die "Can't open $FILE: $!";
while (<FILE>) {
        chomp;
        ($lv, $fs) = split;
        push @mnttab, ($lv, $fs)
}
%mnttab = @mnttab;

open(LVM, "vgdisplay -Fv |") || die "Can't fork vgdisplay: $!";
while (<LVM>) {
        chomp;
        $h_ref = {};
        %{ $h_ref } = split(/[=:]/);
        if ( $h_ref->{vg_name} && $a_ref->[0]->{vg_name} ) {
                push @vgdisplay, $a_ref;
                $a_ref = ()
        }
        delete $a_ref->[0] unless ( %{ $a_ref->[0] } );
        push @{ $a_ref }, $h_ref
}
push @vgdisplay, $a_ref if ref($a_ref);

for $i ( @vgdisplay ) {
        print "Detected VG: $i->[0]->{vg_name}\n";
        print "The PE size is: $i->[0]->{pe_size}\n";
        $count = 2*$i->[0]->{pe_size};
        for ( $j = 1; $i->[$j]->{lv_name}; $j++ ) {
                next unless defined $mnttab{$i->[$j]->{lv_name}};
                print "Detected LV: $i->[$j]->{lv_name}\t";
                print "The LV is mounted on: $mnttab{$i->[$j]->{lv_name}}\n";
                print "Changing directory to the $mnttab{$i->[$j]->{lv_name}}/lost+found\n";
                chdir "$mnttab{$i->[$j]->{lv_name}}/lost+found" or warn "Can't cd to $mnttab{$i->[$j]->{lv_name}}/lost+found: $!\n" and next;
                print "Creating the dummy file: dummy\n";
                !system "dd if=/dev/zero of=dummy bs=1024k count=$count" or warn "Can't dd to file dummy\n";
        }
#       for ( ; $i->[$j]->{pv_name}; $j++ ) {
#               print "Detected PV: $i->[$j]->{pv_name}\n";
#       }
        print "########################################\n";
}

close(LVM) || die "Can't close vgdisplay: $!";