/perl-install/standalone/


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package raid;

use diagnostics;
use strict;

#-######################################################################################
#- misc imports
#-######################################################################################
use common qw(:common :functional);
use run_program;
use devices;
use commands;
use fs;

sub nb($) { 
    my ($nb) = @_;
    first((ref $nb ? $nb->{device} : $nb) =~ /(\d+)/);
}

sub is($) {
    my ($part) = @_;
    $part->{device} =~ /^md/;
}

sub new($$) {
    my ($raid, $part) = @_;
    my $nb = @$raid; 
    $raid->[$nb] = { 'chunk-size' => "64k", type => 0x83, disks => [ $part ], device => "md$nb", notFormatted => 1 };
    $part->{raid} = $nb;
    delete $part->{mntpoint};
    $nb;
}

sub add($$$) {
    my ($raid, $part, $nb) = @_; $nb = nb($nb);
    $raid->[$nb]{isMounted} and die _("Can't add a partition to _formatted_ RAID md%d", $nb);
    $part->{raid} = $nb;
    delete $part->{mntpoint};
    push @{$raid->[$nb]{disks}}, $part;
}

sub delete($$) {
    my ($raid, $nb) = @_;
    $nb = nb($nb);

    delete $_->{raid} foreach @{$raid->[$nb]{disks}};
    undef $raid->[$nb];
}

sub changeNb($$$) {
    my ($raid, $oldnb, $newnb) = @_;
    if ($oldnb != $newnb) {
	($raid->[$newnb], $raid->[$oldnb]) = ($raid->[$oldnb], undef);
	$raid->[$newnb]{device} = "md$newnb";
	$_->{raid} = $newnb foreach @{$raid->[$newnb]{disks}};
    }
    $newnb;
}

sub removeDisk($$) {
    my ($raid, $part) = @_;
    my $nb = nb($part->{raid});
    run_program::run("raidstop", devices::make($part->{device}));
    delete $part->{raid};