diff options
Diffstat (limited to 'perl-install/raid.pm')
-rw-r--r-- | perl-install/raid.pm | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/perl-install/raid.pm b/perl-install/raid.pm deleted file mode 100644 index 1f2275706..000000000 --- a/perl-install/raid.pm +++ /dev/null @@ -1,160 +0,0 @@ -package raid; # $Id$ - -use diagnostics; -use strict; - -#-###################################################################################### -#- misc imports -#-###################################################################################### -use common qw(:common :functional); -use partition_table qw(:types); -use run_program; -use devices; -use commands; -use modules; -use fs; - -sub nb($) { - my ($nb) = @_; - first((ref $nb ? $nb->{device} : $nb) =~ /(\d+)/); -} - -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($$) { - my ($raid, $part) = @_; - my $nb = nb($part->{raid}); - run_program::run("raidstop", devices::make($part->{device})); - delete $part->{raid}; - @{$raid->[$nb]{disks}} = grep { $_ != $part } @{$raid->[$nb]{disks}}; - update($raid->[$nb]); -} - -sub updateSize($) { - my ($part) = @_; - local $_ = $part->{level}; - my @l = map { $_->{size} } @{$part->{disks}}; - - $part->{size} = do { - if (/0|linear/) { sum @l } - elsif (/1/ ) { min @l } - elsif (/4|5/) { min(@l) * $#l } - }; -} - -sub module($) { - my ($part) = @_; - my $mod = $part->{level}; - - $mod = 5 if $mod eq "4"; - $mod = "raid$mod" if $mod =~ /^\d+$/; - $mod; -} - -sub updateIsFormatted($) { - my ($part) = @_; - $part->{isFormatted} = and_ map { $_->{isFormatted} } @{$part->{disks}}; - $part->{notFormatted} = and_ map { $_->{notFormatted} } @{$part->{disks}}; -} -sub update { - foreach (@_) { - updateSize($_); - updateIsFormatted($_); - } -} - -sub write($) { - my ($raid, $file) = @_; - local *F; - local $\ = "\n"; - open F, ">$file" or die _("Can't write file $file"); - - foreach (grep {$_} @$raid) { - print F <<"EOF"; -raiddev /dev/$_->{device} -raid-level $_->{level} -chunk-size $_->{'chunk-size'} -persistent-superblock 1 -EOF - print F "nr-raid-disks ", int @{$_->{disks}}; - map_index { - print F " device ", devices::make($_->{device}); - print F " raid-disk $::i"; - } @{$_->{disks}}; - } -} - -sub make { - my ($raid, $part) = @_; - isMDRAID($_) and make($raid, $_) foreach @{$part->{disks}}; - my $dev = devices::make($part->{device}); - eval { modules::load(module($part)) }; - run_program::run("raidstop", $dev); - &write($raid, "/etc/raidtab"); - run_program::run("mkraid", "--really-force", $dev) or die - $::isStandalone ? _("mkraid failed (maybe raidtools are missing?)") : _("mkraid failed"); -} - -sub format_part($$) { - my ($raid, $part) = @_; - $part->{isFormatted} and return; - - make($raid->{raid}, $part); - fs::real_format_part($part); - $_->{isFormatted} = 1 foreach @{$part->{disks}}; -} - -sub verify($) { - my ($raid) = @_; - $raid && $raid->{raid} or return; - foreach (grep {$_} @{$raid->{raid}}) { - @{$_->{disks}} >= ($_->{level} =~ /4|5/ ? 3 : 2) or die _("Not enough partitions for RAID level %d\n", $_->{level}); - } -} - -sub prepare_prefixed($$) { - my ($raid, $prefix) = @_; - $raid && $raid->{raid} or return; - - eval { commands::cp("-f", "/etc/raidtab", "$prefix/etc/raidtab") }; - foreach (@{$raid->{raid}}) { - devices::make("$prefix/dev/$_->{device}") foreach @{$_->{disks}}; - } -} - -sub stopAll() { run_program::run("raidstop", devices::make("md$_")) foreach 0..7 } - -1; |