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   <H1>[Mageia-dev] Issues with dracut</H1>
    <B>Dan Fandrich</B> 
    <A HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20Issues%20with%20dracut&In-Reply-To=%3C20111217003350.GA9098%40coneharvesters.com%3E"
       TITLE="[Mageia-dev] Issues with dracut">dan at coneharvesters.com
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    <I>Sat Dec 17 01:33:52 CET 2011</I>
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<PRE>On Sat, Dec 17, 2011 at 12:08:36AM +0100, JA Magallon wrote:
&gt;<i> If its is (d)ash:
</I>&gt;<i> 
</I>&gt;<i> CMDLINE=$(cat /proc/cmdline)
</I>
Or save two fork+execs this way, on dash or bash:

read CMDLINE &lt;/proc/cmdline

&gt;<i> case &quot;${CMDLINE}&quot; in
</I>&gt;<i>     *&quot; nokmsboot &quot;*)
</I>&gt;<i>         echo YES
</I>&gt;<i>         ;;
</I>&gt;<i> esac
</I>&gt;<i> 
</I>&gt;<i> if if uses bash:
</I>&gt;<i> 
</I>&gt;<i> CMDLINE=$(cat /proc/cmdline)
</I>&gt;<i> if [[ &quot;${CMDLINE}&quot; == *&quot; nokmsboot &quot;* ]]
</I>&gt;<i> then
</I>&gt;<i>     echo YES
</I>&gt;<i> fi
</I>
&gt;&gt;&gt;<i> Dan
</I></PRE>
















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generated by cgit v1.2.1 (git 2.21.0) at 2025-03-08 23:56:58 +0000
l kwc">or return; #- sometimes, it needs running vgscan again, doing so: run_program::run('lvm2', 'vgscan'); run_program::run('lvm2', @_); } } sub lvm_cmd_or_die { my ($prog, @para) = @_; lvm_cmd($prog, @para) or die "$prog failed\n"; } sub check { my ($in) = @_; $in->do_pkgs->ensure_binary_is_installed('lvm2', 'lvm2') or return; init(); 1; } sub get_vg { my ($part) = @_; my $dev = expand_symlinks(devices::make($part->{device})); run_program::get_stdout('lvm2', 'pvs', '--noheadings', '-o', 'vg_name', $dev) =~ /(\S+)/ && $1; } sub update_size { my ($lvm) = @_; $lvm->{extent_size} = to_int(run_program::get_stdout('lvm2', 'vgs', '--noheadings', '--nosuffix', '--units', 's', '-o', 'vg_extent_size', $lvm->{VG_name})); $lvm->{totalsectors} = to_int(run_program::get_stdout('lvm2', 'vgs', '--noheadings', '--nosuffix', '--units', 's', '-o', 'vg_size', $lvm->{VG_name})); } sub get_lv_size { my ($lvm_device) = @_; to_int(run_program::get_stdout('lvm2', 'lvs', '--noheadings', '--nosuffix', '--units', 's', '-o', 'lv_size', "/dev/$lvm_device")); } sub get_lvs { my ($lvm) = @_; my @l = run_program::get_stdout('lvm2', 'lvs', '--noheadings', '--nosuffix', '--units', 's', '-o', 'lv_name', $lvm->{VG_name}) =~ /(\S+)/g; $lvm->{primary}{normal} = [ map { my $device = "$lvm->{VG_name}/$_"; my $fs_type = -e "/dev/$device" && fs::type::fs_type_from_magic({ device => $device }); { device => $device, lv_name => $_, rootDevice => $lvm->{VG_name}, fs_type => $fs_type || 'ext2', size => get_lv_size($device) }; } @l ]; } sub vg_add { my ($part) = @_; my $dev = expand_symlinks(devices::make($part->{device})); lvm_cmd_or_die('pvcreate', '-y', '-ff', $dev); my $prog = lvm_cmd('vgs', $part->{lvm}) ? 'vgextend' : 'vgcreate'; lvm_cmd_or_die($prog, $part->{lvm}, $dev); } sub vg_destroy { my ($lvm) = @_; is_empty_array_ref($lvm->{primary}{normal}) or die N("Remove the logical volumes first\n"); lvm_cmd('vgchange', '-a', 'n', $lvm->{VG_name}); lvm_cmd_or_die('vgremove', $lvm->{VG_name}); foreach (@{$lvm->{disks}}) { lvm_cmd_or_die('pvremove', devices::make($_->{device})); delete $_->{lvm}; set_isFormatted($_, 0); } } sub lv_delete { my ($lvm, $lv) = @_; lvm_cmd_or_die('lvremove', '-f', "/dev/$lv->{device}"); my $list = $lvm->{primary}{normal}; @$list = grep { $_ != $lv } @$list; } sub suggest_lv_name { my ($lvm, $lv) = @_; my $list = $lvm->{primary}{normal} ||= [];