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authorPascal Rigaux <pixel@mandriva.com>2001-09-16 12:19:35 +0000
committerPascal Rigaux <pixel@mandriva.com>2001-09-16 12:19:35 +0000
commit55a5db059704df6838536910b99f106c9d5b890b (patch)
tree4084e6bea388f186ef076d0b70fe34dcc13790fc /perl-install/fsedit.pm
parentd975e6286354e4071d9f99c9e9245e46bb3cd89f (diff)
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- cleanup & enhance raid mdstat reading (now works with or without devfs mounted)
- chunk size is buggy?
Diffstat (limited to 'perl-install/fsedit.pm')
-rw-r--r--perl-install/fsedit.pm89
1 files changed, 52 insertions, 37 deletions
diff --git a/perl-install/fsedit.pm b/perl-install/fsedit.pm
index 2846021da..2ad84821b 100644
--- a/perl-install/fsedit.pm
+++ b/perl-install/fsedit.pm
@@ -83,9 +83,54 @@ sub recompute_loopbacks {
@{$all_hds->{loopbacks}} = map { isPartOfLoopback($_) ? @{$_->{loopback}} : () } @fstab;
}
+sub raids {
+ my ($hds) = @_;
+
+ my @parts = get_fstab(@$hds);
+ (grep { isRawRAID($_) } @parts) && detect_devices::raidAutoStart() or return [];
+
+ my %devname2part = map { $_->{dev} => { %$_, device => $_->{dev} } } read_partitions();
+
+ my @raids;
+ my @mdstat = cat_("/proc/mdstat");
+ for (my $i = 0; $i < @mdstat; $i++) {
+
+ my ($nb, $level, $mdparts) =
+ #- line format is:
+ #- md%d : {in}?active{ (read-only)}? {linear|raid1|raid4|raid5}{ DEVNAME[%d]{(F)}?}*
+ $mdstat[$i] =~ /^md(.).* ([^ \[\]]+) (\S+\[\d+\].*)/ or next;
+
+ $level =~ s/raid//; #- { linear | raid0 | raid1 | raid5 } -> { linear | 0 | 1 | 5 }
+
+ my $chunks = $mdstat[$i+1] =~ /(\S+) chunks/ ? $1 : "64k";
+
+ my @raw_mdparts = map { /([^\[]+)/ } split ' ', $mdparts;
+ my @mdparts =
+ map {
+ my $mdpart = $devname2part{$_} || { device => $_ };
+ if (my ($part) = grep { is_same_hd($mdpart, $_) } @parts) {
+ $part->{raid} = $nb;
+ delete $part->{mntpoint};
+ $part;
+ } else {
+ #- forget it when not found? that way it won't break much... beurk.
+ ();
+ }
+ } @raw_mdparts;
+
+ my $type = typeOfPart("md$nb");
+ log::l("RAID: found md$nb (raid $level) chunks $chunks ", if_($type, "type $type "), "with parts ", join(", ", @raw_mdparts));
+ $raids[$nb] = { 'chunk-size' => $chunks, type => $type || 0x83, disks => \@mdparts,
+ device => "md$nb", notFormatted => !$type, level => $level };
+ }
+ require raid;
+ raid::update(@raids);
+ \@raids;
+}
+
sub hds {
my ($drives, $flags) = @_;
- my (@hds, @lvms, @raids);
+ my (@hds);
my $rc;
foreach (@$drives) {
@@ -112,6 +157,8 @@ sub hds {
}
push @hds, $hd;
}
+
+ my @lvms;
if (my @pvs = grep { isRawLVM($_) } map { partition_table::get_normal_parts($_) } @hds) {
#- otherwise vgscan won't find them
devices::make($_->{device}) foreach @pvs;
@@ -129,44 +176,12 @@ sub hds {
push @{$lvm->{disks}}, $_;
}
}
- if ((my @parts = grep { isRawRAID($_) } map { partition_table::get_normal_parts($_) } @hds) && detect_devices::raidAutoStart()) {
- my @mdstat = cat_("/proc/mdstat");
- for (my $i=0 ; $i<@mdstat ; $i++) {
- next if $mdstat[$i] !~ /^md(.).* ([^ \[\]]+) ([^ ]+\[[^ \]]+\])(.*)$/;
- my ($nb, $level, $partcar, $partcdr) = ($1, $2, $3, $4);
- $level =~ /raid(.)/ and $level = $1;
- $partcar =~ /([^\[]+)/ or next;
- my @thisparts = ( $1 );
- while ($partcdr =~ /\s*([^\[]+)[^\]]+\](.*)/) {
- push @thisparts, $1;
- $partcdr = $2;
- }
- my $chunks = $mdstat[$i+1] =~ /([^ ]+) chunks/ ? $1 : "64k";
- my @disks;
- foreach my $part (@parts) {
- if (grep { readlink("/dev/$part->{device}") eq $_ || $part->{device} eq $_ } @thisparts) {
- $part->{raid} = $nb;
- delete $part->{mntpoint};
- push @disks, $part;
- }
- }
- my $type = typeOfPart("md$nb");
- my $notformat = 0;
- log::l("RAID: found md$nb (raid $level) chunks $chunks ", $type ? "type $type " : "", "with parts ", join(", ", @thisparts));
- if (!$type) {
- $type = 0x83;
- $notformat = 1;
- }
- $raids[$nb] = { 'chunk-size' => $chunks, type => $type, disks => \@disks,
- device => "md$nb", notFormatted => $notformat, level => $level };
- }
- require raid;
- raid::update(@raids);
- }
-
- my $all_hds = { %{ empty_all_hds() }, hds => \@hds, lvms => \@lvms, raids => \@raids };
+ my $all_hds = { %{ empty_all_hds() }, hds => \@hds, lvms => \@lvms, raids => [] };
fs::get_major_minor(get_all_fstab($all_hds));
+
+ $all_hds->{raids} = raids(\@hds);
+
$all_hds;
}