# lvm helper functions
+my $ignore_no_medium_warnings = sub {
+ my $line = shift;
+ # ignore those, most of the time they're from (virtual) IPMI/iKVM devices
+ # and just spam the log..
+ if ($line !~ /open failed: No medium found/) {
+ print STDERR "$line\n";
+ }
+};
+
sub lvm_pv_info {
my ($device) = @_;
$cmd = ['/sbin/vgcreate', $vgname, $device];
# push @$cmd, '-c', 'y' if $shared; # we do not use this yet
- run_command($cmd, errmsg => "vgcreate $vgname $device error");
+ run_command($cmd, errmsg => "vgcreate $vgname $device error", errfunc => $ignore_no_medium_warnings, outfunc => $ignore_no_medium_warnings);
}
sub lvm_vgs {
+ my ($includepvs) = @_;
my $cmd = ['/sbin/vgs', '--separator', ':', '--noheadings', '--units', 'b',
- '--unbuffered', '--nosuffix', '--options',
- 'vg_name,vg_size,vg_free'];
+ '--unbuffered', '--nosuffix', '--options'];
+
+ my $cols = [qw(vg_name vg_size vg_free lv_count)];
+
+ if ($includepvs) {
+ push @$cols, qw(pv_name pv_size pv_free);
+ }
+
+ push @$cmd, join(',', @$cols);
my $vgs = {};
eval {
run_command($cmd, outfunc => sub {
my $line = shift;
-
$line = trim($line);
- my ($name, $size, $free) = split (':', $line);
+ my ($name, $size, $free, $lvcount, $pvname, $pvsize, $pvfree) = split (':', $line);
- $vgs->{$name} = { size => int ($size), free => int ($free) };
- });
+ $vgs->{$name} //= {
+ size => int ($size),
+ free => int ($free),
+ lvcount => int($lvcount)
+ };
+
+ if (defined($pvname) && defined($pvsize) && defined($pvfree)) {
+ push @{$vgs->{$name}->{pvs}}, {
+ name => $pvname,
+ size => int($pvsize),
+ free => int($pvfree),
+ };
+ }
+ },
+ errfunc => $ignore_no_medium_warnings,
+ );
};
my $err = $@;
sub lvm_list_volumes {
my ($vgname) = @_;
- my $cmd = ['/sbin/lvs', '--separator', ':', '--noheadings', '--units', 'b',
- '--unbuffered', '--nosuffix', '--options',
- 'vg_name,lv_name,lv_size,lv_attr,pool_lv,data_percent,metadata_percent,snap_percent,uuid,tags'];
+ my $option_list = 'vg_name,lv_name,lv_size,lv_attr,pool_lv,data_percent,metadata_percent,snap_percent,uuid,tags,metadata_size,time';
+
+ my $cmd = [
+ '/sbin/lvs', '--separator', ':', '--noheadings', '--units', 'b',
+ '--unbuffered', '--nosuffix',
+ '--config', 'report/time_format="%s"',
+ '--options', $option_list,
+ ];
push @$cmd, $vgname if $vgname;
$line = trim($line);
- my ($vg_name, $lv_name, $lv_size, $lv_attr, $pool_lv, $data_percent, $meta_percent, $snap_percent, $uuid, $tags) = split(':', $line);
+ my ($vg_name, $lv_name, $lv_size, $lv_attr, $pool_lv, $data_percent, $meta_percent, $snap_percent, $uuid, $tags, $meta_size, $ctime) = split(':', $line);
return if !$vg_name;
return if !$lv_name;
};
$d->{pool_lv} = $pool_lv if $pool_lv;
$d->{tags} = $tags if $tags;
+ $d->{ctime} = $ctime;
if ($lv_type eq 't') {
$data_percent ||= 0;
$meta_percent ||= 0;
$snap_percent ||= 0;
+ $d->{metadata_size} = int($meta_size);
+ $d->{metadata_used} = int(($meta_percent * $meta_size)/100);
$d->{used} = int(($data_percent * $lv_size)/100);
}
$lvs->{$vg_name}->{$lv_name} = $d;
- });
+ },
+ errfunc => $ignore_no_medium_warnings,
+ );
return $lvs;
}
lvm_create_volume_group($path, $scfg->{vgname}, $scfg->{shared});
}
+
+ return;
}
sub parse_volname {
die "can't clone images in lvm storage\n";
}
-sub lvm_find_free_diskname {
- my ($lvs, $vg, $storeid, $vmid) = @_;
+sub find_free_diskname {
+ my ($class, $storeid, $scfg, $vmid, $fmt, $add_fmt_suffix) = @_;
- my $name;
+ my $vg = $scfg->{vgname};
- for (my $i = 1; $i < 100; $i++) {
- my $tn = "vm-$vmid-disk-$i";
- if (!defined ($lvs->{$vg}->{$tn})) {
- $name = $tn;
- last;
- }
+ my $lvs = lvm_list_volumes($vg);
+
+ my $disk_list = [ keys %{$lvs->{$vg}} ];
+
+ return PVE::Storage::Plugin::get_next_vm_diskname($disk_list, $storeid, $vmid, undef, $scfg);
+}
+
+sub lvcreate {
+ my ($vg, $name, $size, $tags) = @_;
+
+ if ($size =~ m/\d$/) { # no unit is given
+ $size .= "k"; # default to kilobytes
}
- die "unable to allocate an image name for ID $vmid in storage '$storeid'\n"
- if !$name;
+ my $cmd = ['/sbin/lvcreate', '-aly', '--size', $size, '--name', $name];
+ for my $tag (@$tags) {
+ push @$cmd, '--addtag', $tag;
+ }
+ push @$cmd, $vg;
- return $name;
+ run_command($cmd, errmsg => "lvcreate '$vg/$name' error");
}
sub alloc_image {
die "not enough free space ($free < $size)\n" if $free < $size;
- $name = lvm_find_free_diskname(lvm_list_volumes($vg), $vg, $storeid, $vmid)
+ $name = $class->find_free_diskname($storeid, $scfg, $vmid)
if !$name;
- my $cmd = ['/sbin/lvcreate', '-aly', '--addtag', "pve-vm-$vmid", '--size', "${size}k", '--name', $name, $vg];
-
- run_command($cmd, errmsg => "lvcreate '$vg/pve-vm-$vmid' error");
+ lvcreate($vg, $name, $size, ["pve-vm-$vmid"]);
return $name;
}
my $cmd = ['/sbin/lvchange', '-aly', "$vg/$volname"];
run_command($cmd, errmsg => "can't activate LV '$vg/$volname' to zero-out its data");
+ $cmd = ['/sbin/lvchange', '--refresh', "$vg/$volname"];
+ run_command($cmd, errmsg => "can't refresh LV '$vg/$volname' to zero-out its data");
if ($scfg->{saferemove}) {
# avoid long running task, so we only rename here
next if $scfg->{tagged_only} && !&$check_tags($info->{tags});
- next if $info->{lv_type} ne '-';
+ # Allow mirrored and RAID LVs
+ next if $info->{lv_type} !~ m/^[-mMrR]$/;
my $volid = "$storeid:$volname";
push @$res, {
volid => $volid, format => 'raw', size => $info->{lv_size}, vmid => $owner,
+ ctime => $info->{ctime},
};
}
}
my $cmd = ['/sbin/lvchange', "-a$lvm_activate_mode", $path];
run_command($cmd, errmsg => "can't activate LV '$path'");
+ $cmd = ['/sbin/lvchange', '--refresh', $path];
+ run_command($cmd, errmsg => "can't refresh LV '$path' for activation");
}
sub deactivate_volume {
my $path = $class->path($scfg, $volname);
my $cmd = ['/sbin/lvextend', '-L', $size, $path];
- run_command($cmd, errmsg => "error resizing volume '$path'");
+
+ $class->cluster_lock_storage($storeid, $scfg->{shared}, undef, sub {
+ run_command($cmd, errmsg => "error resizing volume '$path'");
+ });
return 1;
}
+sub volume_size_info {
+ my ($class, $scfg, $storeid, $volname, $timeout) = @_;
+ my $path = $class->filesystem_path($scfg, $volname);
+
+ my $cmd = ['/sbin/lvs', '--separator', ':', '--noheadings', '--units', 'b',
+ '--unbuffered', '--nosuffix', '--options', 'lv_size', $path];
+
+ my $size;
+ run_command($cmd, timeout => $timeout, errmsg => "can't get size of '$path'",
+ outfunc => sub {
+ $size = int(shift);
+ });
+ return wantarray ? ($size, 'raw', 0, undef) : $size;
+}
+
sub volume_snapshot {
my ($class, $scfg, $storeid, $volname, $snap) = @_;
}
sub volume_import {
- my ($class, $scfg, $storeid, $fh, $volname, $format, $base_snapshot, $with_snapshots) = @_;
+ my ($class, $scfg, $storeid, $fh, $volname, $format, $base_snapshot, $with_snapshots, $allow_rename) = @_;
die "volume import format $format not available for $class\n"
if $format ne 'raw+size';
die "cannot import volumes together with their snapshots in $class\n"
my $vg = $scfg->{vgname};
my $lvs = lvm_list_volumes($vg);
- die "volume $vg/$volname already exists\n"
- if $lvs->{$vg}->{$volname};
+ if ($lvs->{$vg}->{$volname}) {
+ die "volume $vg/$volname already exists\n" if !$allow_rename;
+ warn "volume $vg/$volname already exists - importing with a different name\n";
+ $name = undef;
+ }
my ($size) = PVE::Storage::Plugin::read_common_header($fh);
$size = int($size/1024);
eval {
my $allocname = $class->alloc_image($storeid, $scfg, $vmid, 'raw', $name, $size);
- if ($allocname ne $volname) {
- my $oldname = $volname;
- $volname = $allocname; # Let the cleanup code know what to free
+ my $oldname = $volname;
+ $volname = $allocname;
+ if (defined($name) && $allocname ne $oldname) {
die "internal error: unexpected allocated name: '$allocname' != '$oldname'\n";
}
my $file = $class->path($scfg, $volname, $storeid)
or die "internal error: failed to get path to newly allocated volume $volname\n";
- run_command(['dd', "of=$file", 'conv=sparse', 'bs=64k'],
- input => '<&'.fileno($fh));
+
+ $class->volume_import_write($fh, $file);
};
if (my $err = $@) {
eval { $class->free_image($storeid, $scfg, $volname, 0) };
warn $@ if $@;
die $err;
}
+
+ return "$storeid:$volname";
+}
+
+sub volume_import_write {
+ my ($class, $input_fh, $output_file) = @_;
+ run_command(['dd', "of=$output_file", 'bs=64k'],
+ input => '<&'.fileno($input_fh));
}
1;
projects / pve-storage.git / blobdiff