package raid; # $Id$
use diagnostics;
use strict;
#-######################################################################################
#- misc imports
#-######################################################################################
use common;
use partition_table qw(:types);
use run_program;
use devices;
use modules;
use fs;
sub max_nb() { 31 }
sub nb {
my ($nb) = @_;
first((ref($nb) ? $nb->{device} : $nb) =~ /(\d+)/);
}
sub new {
my ($raids, @parts) = @_;
my $nb = @$raids;
$raids->[$nb] = { 'chunk-size' => "64k", type => 0x483, disks => [ @parts ], device => "md$nb", notFormatted => 1, level => 1 };
foreach my $part (@parts) {
$part->{raid} = $nb;
delete $part->{mntpoint};
}
update($raids->[$nb]);
$nb;
}
sub add {
my ($raids, $part, $nb) = @_; $nb = nb($nb);
$raids->[$nb]{isMounted} and die N("Can't add a partition to _formatted_ RAID md%d", $nb);
inactivate_and_dirty($raids->[$nb]);
$part->{notFormatted} = 1; $part->{isFormatted} = 0;
$part->{raid} = $nb;
delete $part->{mntpoint};
push @{$raids->[$nb]{disks}}, $part;
update($raids->[$nb]);
}
sub delete {
my ($raids, $nb) = @_;
$nb = nb($nb);
inactivate_and_dirty($raids->[$nb]);
delete $_->{raid} foreach @{$raids->[$nb]{disks}};
undef $raids->[$nb];
}
sub changeNb {
my ($raids, $oldnb, $newnb) = @_;
if ($oldnb != $newnb) {
inactivate_and_dirty($raids->[$_]) foreach $oldnb, $newnb;
($raids->[$newnb], $raids->[$oldnb]) = ($raids->[$oldnb], undef);
$raids->[$newnb]{device} = "md$newnb";
$_->{raid} = $newnb foreach @{$raids->[$newnb]{disks}};
}
$newnb;
}
sub removeDisk {
my ($raids, $part) = @_;
my $nb = nb($part->{raid});
inactivate_and_dirty($raids->[$nb]);
delete $part->{raid};
my $disks = $raids->[$nb]{disks};
@$disks = grep { $_ != $part } @$disks;
if (@$disks) {
update($raids->[$nb]);
} else {
undef $raids->[$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 $mod =~ /^\d+$/;
$mod;
}
sub update {
updateSize($_) foreach @_;
}
sub write {
my ($raids, $file) = @_;
return if $::testing;
output($file,
map {
my $s = sprintf(<<EOF, devices::make($_->{device}), $_->{level}, $_->{'chunk-size'}, int @{$_->{disks}});
raiddev %s
raid-level %s
chunk-size %s
persistent-superblock 1
nr-raid-disks %d
EOF
my @devs = map_index {
" device " . devices::make($_->{device}) . "\n raid-disk $::i\n";
} @{$_->{disks}};
$s, @devs
} grep { $_ } @$raids);
}
sub make {
my ($raids, $part) = @_;
return if is_active($part->{device});
inactivate_and_dirty($part);
isRAID($_) and make($raids, $_) foreach @{$part->{disks}};
my $dev = devices::make($part->{device});
eval { modules::load(module($part)) };
&write($raids, "/etc/raidtab");
run_program::run("mkraid", "--really-force", $dev) or die
$::isStandalone ? N("mkraid failed (maybe raidtools are missing?)") : N("mkraid failed");
}
sub format_part {
my ($raids, $part) = @_;
$part->{isFormatted} and return;
make($raids, $part);
fs::real_format_part($part);
$_->{isFormatted} = 1 foreach @{$part->{disks}};
}
sub verify {
my ($raids) = @_;
$raids or return;
foreach (grep { $_ } @$raids) {
@{$_->{disks}} >= ($_->{level} =~ /4|5/ ? 3 : 2) or die N("Not enough partitions for RAID level %d\n", $_->{level});
}
}
sub prepare_prefixed {
my ($raids, $prefix) = @_;
$raids or return;
&write($raids, "/etc/raidtab") if ! -e "/etc/raidtab";
eval { cp_af("/etc/raidtab", "$prefix/etc/raidtab") };
foreach (grep { $_ } @$raids) {
devices::make("$prefix/dev/$_->{device}") foreach @{$_->{disks}};
}
}
sub inactivate_and_dirty {
my ($part) = @_;
run_program::run("raidstop", devices::make($part->{device}));
$part->{notFormatted} = 1; $part->{isFormatted} = 0;
}
sub active_mds() {
map { if_(/^(md\d+) /, $1) } cat_("/proc/mdstat");
}
sub is_active {
my ($dev) = @_;
member($dev, active_mds());
}
sub inactivate_all() { run_program::run("raidstop", devices::make($_)) foreach active_mds() }
1;
x/?h=14.20.1'>summary</a><a href='/software/drakx/refs/?h=14.20.1&id=fb13c58c512259986a7b96f415d0b29e3250bace'>refs</a><a href='/software/drakx/log/rescue/Flash/scripts/reset_rootpass?h=14.20.1'>log</a><a class='active' href='/software/drakx/tree/rescue/Flash/scripts/reset_rootpass?h=14.20.1&id=fb13c58c512259986a7b96f415d0b29e3250bace'>tree</a><a href='/software/drakx/commit/rescue/Flash/scripts/reset_rootpass?h=14.20.1&id=fb13c58c512259986a7b96f415d0b29e3250bace'>commit</a><a href='/software/drakx/diff/rescue/Flash/scripts/reset_rootpass?h=14.20.1&id=fb13c58c512259986a7b96f415d0b29e3250bace'>diff</a><a href='/software/drakx/stats/rescue/Flash/scripts/reset_rootpass?h=14.20.1'>stats</a></td><td class='form'><form class='right' method='get' action='/software/drakx/log/rescue/Flash/scripts/reset_rootpass'>
<input type='hidden' name='h' value='14.20.1'/><input type='hidden' name='id' value='fb13c58c512259986a7b96f415d0b29e3250bace'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/software/drakx/tree/?h=14.20.1&id=fb13c58c512259986a7b96f415d0b29e3250bace'>root</a>/<a href='/software/drakx/tree/rescue?h=14.20.1&id=fb13c58c512259986a7b96f415d0b29e3250bace'>rescue</a>/<a href='/software/drakx/tree/rescue/Flash?h=14.20.1&id=fb13c58c512259986a7b96f415d0b29e3250bace'>Flash</a>/<a href='/software/drakx/tree/rescue/Flash/scripts?h=14.20.1&id=fb13c58c512259986a7b96f415d0b29e3250bace'>scripts</a>/<a href='/software/drakx/tree/rescue/Flash/scripts/reset_rootpass?h=14.20.1&id=fb13c58c512259986a7b96f415d0b29e3250bace'>reset_rootpass</a></div><div class='content'>blob: c0a505f218b8cd7fac7a610bce66fdd391fcb774 (<a href='/software/drakx/plain/rescue/Flash/scripts/reset_rootpass?h=14.20.1&id=fb13c58c512259986a7b96f415d0b29e3250bace'>plain</a>)
<table summary='blob content' class='blob'>
<tr><td class='linenumbers'><pre><a id='n1' href='#n1'>1</a>
<a id='n2' href='#n2'>2</a>
<a id='n3' href='#n3'>3</a>
<a id='n4' href='#n4'>4</a>
<a id='n5' href='#n5'>5</a>
<a id='n6' href='#n6'>6</a>
<a id='n7' href='#n7'>7</a>
<a id='n8' href='#n8'>8</a>
<a id='n9' href='#n9'>9</a>
<a id='n10' href='#n10'>10</a>
<a id='n11' href='#n11'>11</a>
<a id='n12' href='#n12'>12</a>
<a id='n13' href='#n13'>13</a>
<a id='n14' href='#n14'>14</a>
<a id='n15' href='#n15'>15</a>
<a id='n16' href='#n16'>16</a>
<a id='n17' href='#n17'>17</a>
<a id='n18' href='#n18'>18</a>
<a id='n19' href='#n19'>19</a>
<a id='n20' href='#n20'>20</a>
<a id='n21' href='#n21'>21</a>
<a id='n22' href='#n22'>22</a>
<a id='n23' href='#n23'>23</a>
<a id='n24' href='#n24'>24</a>
<a id='n25' href='#n25'>25</a>
<a id='n26' href='#n26'>26</a>
<a id='n27' href='#n27'>27</a>
<a id='n28' href='#n28'>28</a>
<a id='n29' href='#n29'>29</a>
<a id='n30' href='#n30'>30</a>
<a id='n31' href='#n31'>31</a>
<a id='n32' href='#n32'>32</a>
<a id='n33' href='#n33'>33</a>
<a id='n34' href='#n34'>34</a>
<a id='n35' href='#n35'>35</a>
<a id='n36' href='#n36'>36</a>
<a id='n37' href='#n37'>37</a>
<a id='n38' href='#n38'>38</a>
<a id='n39' href='#n39'>39</a>
<a id='n40' href='#n40'>40</a>
<a id='n41' href='#n41'>41</a>
<a id='n42' href='#n42'>42</a>
<a id='n43' href='#n43'>43</a>
<a id='n44' href='#n44'>44</a>
<a id='n45' href='#n45'>45</a>
<a id='n46' href='#n46'>46</a>
<a id='n47' href='#n47'>47</a>
<a id='n48' href='#n48'>48</a>
<a id='n49' href='#n49'>49</a>
<a id='n50' href='#n50'>50</a>
<a id='n51' href='#n51'>51</a>
<a id='n52' href='#n52'>52</a>
<a id='n53' href='#n53'>53</a>
<a id='n54' href='#n54'>54</a>
<a id='n55' href='#n55'>55</a>
<a id='n56' href='#n56'>56</a>
<a id='n57' href='#n57'>57</a>
<a id='n58' href='#n58'>58</a>
<a id='n59' href='#n59'>59</a>
<a id='n60' href='#n60'>60</a>
<a id='n61' href='#n61'>61</a>
<a id='n62' href='#n62'>62</a>
<a id='n63' href='#n63'>63</a>
<a id='n64' href='#n64'>64</a>
<a id='n65' href='#n65'>65</a>
<a id='n66' href='#n66'>66</a>
<a id='n67' href='#n67'>67</a>
<a id='n68' href='#n68'>68</a>
<a id='n69' href='#n69'>69</a>
<a id='n70' href='#n70'>70</a>
<a id='n71' href='#n71'>71</a>
<a id='n72' href='#n72'>72</a>
<a id='n73' href='#n73'>73</a>
<a id='n74' href='#n74'>74</a>
<a id='n75' href='#n75'>75</a>
<a id='n76' href='#n76'>76</a>
<a id='n77' href='#n77'>77</a>
<a id='n78' href='#n78'>78</a>
<a id='n79' href='#n79'>79</a>
<a id='n80' href='#n80'>80</a>
<a id='n81' href='#n81'>81</a>
<a id='n82' href='#n82'>82</a>
<a id='n83' href='#n83'>83</a>
<a id='n84' href='#n84'>84</a>
<a id='n85' href='#n85'>85</a>
<a id='n86' href='#n86'>86</a>
<a id='n87' href='#n87'>87</a>
<a id='n88' href='#n88'>88</a>
<a id='n89' href='#n89'>89</a>
<a id='n90' href='#n90'>90</a>
<a id='n91' href='#n91'>91</a>
<a id='n92' href='#n92'>92</a>
<a id='n93' href='#n93'>93</a>
<a id='n94' href='#n94'>94</a>
<a id='n95' href='#n95'>95</a>
<a id='n96' href='#n96'>96</a>
<a id='n97' href='#n97'>97</a>
<a id='n98' href='#n98'>98</a>
<a id='n99' href='#n99'>99</a>
<a id='n100' href='#n100'>100</a>
</pre></td>
<td class='lines'><pre><code>#!/bin/bash
# import functions library
source rescue_common
tmpdir="/tmp/flash-rescue-root"
rootdir="$tmpdir/pen"
function prepare() {
modprobe unionfs > /dev/null 2>&1
modprobe squashfs > /dev/null 2>&1
modprobe loop > /dev/null 2>&1
mkdir -p $rootdir
mkdir -p $tmpdir/squash
mkdir -p $tmpdir/user
mkdir -p $tmpdir/union
if ! mount_usbroot $rootdir; then
return 1
fi
mount -t squashfs -o loop $sfs_loop $tmpdir/squash > /dev/null 2>&1
if [ $? -ne 0 ]; then
echo "Error mounting distrib.sqfs"
return 1
fi
mount -t ext2 -o loop $sys_loop $tmpdir/user > /dev/null 2>&1
if [ $? -ne 0 ]; then
echo "Error mounting system.loop"
return 1
fi
mount -t unionfs -o dirs=$tmpdir/user=rw:$tmpdir/squash=ro \
none $tmpdir/union
if [ $? -ne 0 ]; then
echo "Error creating union of distrib.sqfs and system.loop"
return 1
fi
chroot $tmpdir/union /etc/init.d/keytable start &> /dev/null
chroot $tmpdir/union /usr/bin/unicode_start
return 0
}
function doit() {
clear
echo
chroot $tmpdir/union passwd root
echo
echo
return 0
}
function cleanup() {
chroot $tmpdir/union /usr/bin/unicode_stop
umount $tmpdir/union > /dev/null 2>&1
umount $tmpdir/user > /dev/null 2>&1
umount $tmpdir/squash > /dev/null 2>&1
umount $rootdir > /dev/null 2>&1
rmdir $tmpdir/union $tmpdir/user $tmpdir/squash 2> /dev/null
rmdir $rootdir $tmpdir 2> /dev/null
}
clear
trap cleanup SIGINT
version=""
if ! insert_pendrive; then
exit 1
fi
if [ x"$version" = x"1.0" ]; then
sys_loop="$rootdir/loopbacks/system.loop"
sfs_loop="$rootdir/loopbacks/distrib.sqfs"
else
sys_loop="$rootdir/.loopbacks/system.loop"
sfs_loop="$rootdir/.loopbacks/distrib.sqfs"
fi
if ! prepare; then
cleanup
exit 1
fi
if ! doit; then
cleanup
exit 1
fi
cleanup
exit 0
</code></pre></td></tr></table>
</div> <!-- class=content -->
<div class='footer'>generated by <a href='https://git.zx2c4.com/cgit/about/'>cgit v1.2.1</a> (<a href='https://git-scm.com/'>git 2.21.0</a>) at 2025-03-02 15:55:59 +0000</div>
</div> <!-- id=cgit -->
</body>
</html>