]>
git.proxmox.com Git - pve-storage.git/blob - PVE/Diskmanage.pm
1 package PVE
::Diskmanage
;
14 use PVE
::Tools
qw(extract_param run_command file_get_contents file_read_firstline dir_glob_regex dir_glob_foreach trim);
16 my $SMARTCTL = "/usr/sbin/smartctl";
17 my $ZPOOL = "/sbin/zpool";
18 my $SGDISK = "/sbin/sgdisk";
19 my $PVS = "/sbin/pvs";
20 my $LVS = "/sbin/lvs";
21 my $LSBLK = "/bin/lsblk";
23 my sub strip_dev
:prototype($) {
25 $devpath =~ s
|^/dev/||;
34 sub verify_blockdev_path
{
37 die "missing path" if !$rel_path;
38 my $path = abs_path
($rel_path);
39 die "failed to get absolute path to $rel_path\n" if !$path;
41 die "got unusual device path '$path'\n" if $path !~ m
|^/dev/(.*)$|;
43 $path = "/dev/$1"; # untaint
45 assert_blockdev
($path);
51 my ($dev, $noerr) = @_;
53 if ($dev !~ m
|^/dev/| || !(-b
$dev)) {
54 return undef if $noerr;
55 die "not a valid block device\n";
62 my ($disk, $uuid) = @_;
64 assert_blockdev
($disk);
66 # we should already have checked these in the api call, but we check again for safety
67 die "$disk is a partition\n" if is_partition
($disk);
68 die "disk $disk is already in use\n" if disk_is_used
($disk);
70 my $id = $uuid || 'R';
71 run_command
([$SGDISK, $disk, '-U', $id]);
81 my $disklist = get_disks
($dev, 1, 1);
83 die "'$disk' is not a valid local disk\n" if !defined($disklist->{$dev});
84 return 1 if $disklist->{$dev}->{used
};
90 my ($disk, $healthonly) = @_;
92 assert_blockdev
($disk);
98 if ($disk =~ m!^/dev/(nvme\d+n\d+)$!) {
99 my $info = get_sysdir_info
("/sys/block/$1");
100 $disk = "/dev/".($info->{device
}
101 or die "failed to get nvme controller device for $disk\n");
104 my $cmd = [$SMARTCTL, '-H'];
105 push @$cmd, '-A', '-f', 'brief' if !$healthonly;
109 $returncode = run_command
($cmd, noerr
=> 1, outfunc
=> sub{
112 # ATA SMART attributes, e.g.:
113 # ID# ATTRIBUTE_NAME FLAGS VALUE WORST THRESH FAIL RAW_VALUE
114 # 1 Raw_Read_Error_Rate POSR-K 100 100 000 - 0
116 # SAS and NVME disks, e.g.:
117 # Data Units Written: 5,584,952 [2.85 TB]
118 # Accumulated start-stop cycles: 34
120 if (defined($type) && $type eq 'ata' && $line =~ m/^([ \d]{2}\d)\s+(\S+)\s+(\S{6})\s+(\d+)\s+(\d+)\s+(\S+)\s+(\S+)\s+(.*)$/) {
123 $entry->{name
} = $2 if defined $2;
124 $entry->{flags
} = $3 if defined $3;
125 # the +0 makes a number out of the strings
126 $entry->{value
} = $4+0 if defined $4;
127 $entry->{worst
} = $5+0 if defined $5;
128 # some disks report the default threshold as --- instead of 000
129 if (defined($6) && $6 eq '---') {
130 $entry->{threshold
} = 0;
132 $entry->{threshold
} = $6+0 if defined $6;
134 $entry->{fail
} = $7 if defined $7;
135 $entry->{raw
} = $8 if defined $8;
136 $entry->{id
} = $1 if defined $1;
137 push @{$smartdata->{attributes
}}, $entry;
138 } elsif ($line =~ m/(?:Health Status|self\-assessment test result): (.*)$/ ) {
139 $smartdata->{health
} = $1;
140 } elsif ($line =~ m/Vendor Specific SMART Attributes with Thresholds:/) {
142 delete $smartdata->{text
};
143 } elsif ($line =~ m/=== START OF (READ )?SMART DATA SECTION ===/) {
145 } elsif (defined($type) && $type eq 'text') {
146 $smartdata->{text
} = '' if !defined $smartdata->{text
};
147 $smartdata->{text
} .= "$line\n";
148 # extract wearout from nvme/sas text, allow for decimal values
149 if ($line =~ m/Percentage Used(?: endurance indicator)?:\s*(\d+(?:\.\d+)?)\%/i) {
150 $smartdata->{wearout
} = 100 - $1;
152 } elsif ($line =~ m/SMART Disabled/) {
153 $smartdata->{health
} = "SMART Disabled";
159 # bit 0 and 1 mark an severe smartctl error
160 # all others are for disk status, so ignore them
162 if ((defined($returncode) && ($returncode & 0b00000011)) || $err) {
163 die "Error getting S.M.A.R.T. data: Exit code: $returncode\n";
166 $smartdata->{type
} = $type;
171 sub get_lsblk_info
() {
172 my $cmd = [$LSBLK, '--json', '-o', 'path,parttype,fstype'];
176 run_command
($cmd, outfunc
=> sub {
178 $output .= "$line\n";
182 return $res if $output eq '';
184 my $parsed = eval { decode_json
($output) };
186 my $list = $parsed->{blockdevices
} // [];
190 parttype
=> $_->{parttype
},
191 fstype
=> $_->{fstype
}
198 my $get_devices_by_partuuid = sub {
199 my ($lsblk_info, $uuids, $res) = @_;
201 $res = {} if !defined($res);
203 foreach my $dev (sort keys %{$lsblk_info}) {
204 my $uuid = $lsblk_info->{$dev}->{parttype
};
205 next if !defined($uuid) || !defined($uuids->{$uuid});
206 $res->{$dev} = $uuids->{$uuid};
212 sub get_zfs_devices
{
213 my ($lsblk_info) = @_;
216 return {} if !check_bin
($ZPOOL);
218 # use zpool and parttype uuid,
219 # because log and cache do not have
222 run_command
([$ZPOOL, 'list', '-HPLv'], outfunc
=> sub {
225 if ($line =~ m
|^\t([^\t]+)\t|) {
232 # because maybe zfs tools are not installed
236 "6a898cc3-1dd2-11b2-99a6-080020736631" => 1, # apple
237 "516e7cba-6ecf-11d6-8ff8-00022d09712b" => 1, # bsd
241 $res = $get_devices_by_partuuid->($lsblk_info, $uuids, $res);
246 sub get_lvm_devices
{
247 my ($lsblk_info) = @_;
250 run_command
([$PVS, '--noheadings', '--readonly', '-o', 'pv_name'], outfunc
=> sub{
253 if ($line =~ m
|^/dev/|) {
259 # if something goes wrong, we do not want
260 # to give up, but indicate an error has occurred
264 "e6d6d379-f507-44c2-a23c-238f2a3df928" => 1,
267 $res = $get_devices_by_partuuid->($lsblk_info, $uuids, $res);
272 sub get_ceph_journals
{
273 my ($lsblk_info) = @_;
277 '45b0969e-9b03-4f30-b4c6-b4b80ceff106' => 1, # journal
278 '30cd0809-c2b2-499c-8879-2d6b78529876' => 2, # db
279 '5ce17fce-4087-4169-b7ff-056cc58473f9' => 3, # wal
280 'cafecafe-9b03-4f30-b4c6-b4b80ceff106' => 4, # block
283 $res = $get_devices_by_partuuid->($lsblk_info, $uuids, $res);
288 # reads the lv_tags and matches them with the devices
289 sub get_ceph_volume_infos
{
292 my $cmd = [ $LVS, '-S', 'lv_name=~^osd-', '-o', 'devices,lv_name,lv_tags',
293 '--noheadings', '--readonly', '--separator', ';' ];
295 run_command
($cmd, outfunc
=> sub {
297 $line =~ s/(?:^\s+)|(?:\s+$)//g; # trim whitespaces
299 my $fields = [ split(';', $line) ];
301 # lvs syntax is /dev/sdX(Y) where Y is the start (which we do not need)
302 my ($dev) = $fields->[0] =~ m
|^(/dev/[a-z
]+[^(]*)|;
303 if ($fields->[1] =~ m
|^osd-
([^-]+)-|) {
305 # $result autovivification is wanted, to not creating empty hashes
306 if (($type eq 'block' || $type eq 'data') && $fields->[2] =~ m/ceph.osd_id=([^,]+)/) {
307 $result->{$dev}->{osdid
} = $1;
308 $result->{$dev}->{bluestore
} = ($type eq 'block');
309 if ($fields->[2] =~ m/ceph\.encrypted=1/) {
310 $result->{$dev}->{encrypted
} = 1;
313 # undef++ becomes '1' (see `perldoc perlop`: Auto-increment)
314 $result->{$dev}->{$type}++;
328 run_command
(['udevadm', 'info', '-p', $dev, '--query', 'all'], outfunc
=> sub {
334 return undef if !$info;
336 return undef if $info !~ m/^E: DEVTYPE=(disk|partition)$/m;
337 return undef if $info =~ m/^E: ID_CDROM/m;
339 # we use this, because some disks are not simply in /dev
340 # e.g. /dev/cciss/c0d0
341 if ($info =~ m/^E: DEVNAME=(\S+)$/m) {
342 $data->{devpath
} = $1;
344 return if !defined($data->{devpath
});
346 $data->{serial
} = 'unknown';
347 if ($info =~ m/^E: ID_SERIAL_SHORT=(\S+)$/m) {
348 $data->{serial
} = $1;
352 if ($info =~ m/^E: ID_PART_TABLE_TYPE=gpt$/m) {
358 if ($info =~ m/^E: ID_ATA_ROTATION_RATE_RPM=(\d+)$/m) {
362 if ($info =~ m/^E: ID_BUS=usb$/m) {
366 if ($info =~ m/^E: ID_MODEL=(.+)$/m) {
370 $data->{wwn
} = 'unknown';
371 if ($info =~ m/^E: ID_WWN=(.*)$/m) {
375 if ($info =~ m/^E: DEVLINKS=(.+)$/m) {
376 my @devlinks = grep(m
#^/dev/disk/by-id/(ata|scsi|nvme(?!-eui))#, split (/ /, $1));
377 $data->{by_id_link
} = $devlinks[0] if defined($devlinks[0]);
383 sub get_sysdir_size
{
386 my $size = file_read_firstline
("$sysdir/size");
389 # linux always considers sectors to be 512 bytes,
390 # independently of real block size
394 sub get_sysdir_info
{
397 return undef if ! -d
"$sysdir/device";
401 $data->{size
} = get_sysdir_size
($sysdir) or return;
403 # dir/queue/rotational should be 1 for hdd, 0 for ssd
404 $data->{rotational
} = file_read_firstline
("$sysdir/queue/rotational") // -1;
406 $data->{vendor
} = file_read_firstline
("$sysdir/device/vendor") || 'unknown';
407 $data->{model
} = file_read_firstline
("$sysdir/device/model") || 'unknown';
409 if (defined(my $device = readlink("$sysdir/device"))) {
410 # strip directory and untaint:
411 ($data->{device
}) = $device =~ m!([^/]+)$!;
417 sub get_wear_leveling_info
{
418 my ($smartdata) = @_;
419 my $attributes = $smartdata->{attributes
};
421 if (defined($smartdata->{wearout
})) {
422 return $smartdata->{wearout
};
427 # Common register names that represent percentage values of potential
428 # failure indicators used in drivedb.h of smartmontool's. Order matters,
429 # as some drives may have multiple definitions
430 my @wearoutregisters = (
431 "Media_Wearout_Indicator",
433 "Wear_Leveling_Count",
434 "Perc_Write\/Erase_Ct_BC",
435 "Perc_Rated_Life_Remain",
436 "Remaining_Lifetime_Perc",
437 "Percent_Lifetime_Remain",
439 "PCT_Life_Remaining",
440 "Lifetime_Remaining",
441 "Percent_Life_Remaining",
442 "Percent_Lifetime_Used",
443 "Perc_Rated_Life_Used"
446 # Search for S.M.A.R.T. attributes for known register
447 foreach my $register (@wearoutregisters) {
448 last if defined $wearout;
449 foreach my $attr (@$attributes) {
450 next if $attr->{name
} !~ m/$register/;
451 $wearout = $attr->{value
};
462 my $dh = IO
::Dir-
>new ($dir);
465 while (defined(my $tmp = $dh->read)) {
466 next if $tmp eq '.' || $tmp eq '..';
477 if (-l
$sysdir && readlink($sysdir) =~ m
|host
[^/]*/session
[^/]*|) {
486 return $type eq 'ssd' || $type eq 'nvme';
489 sub mounted_blockdevs
{
492 my $mounts = PVE
::ProcFSTools
::parse_proc_mounts
();
494 foreach my $mount (@$mounts) {
495 next if $mount->[0] !~ m
|^/dev/|;
496 $mounted->{abs_path
($mount->[0])} = $mount->[1];
503 my ($disks, $nosmart, $include_partitions) = @_;
506 my $mounted = mounted_blockdevs
();
508 my $lsblk_info = get_lsblk_info
();
510 my $journalhash = get_ceph_journals
($lsblk_info);
511 my $ceph_volume_infos = get_ceph_volume_infos
();
513 my $zfshash = get_zfs_devices
($lsblk_info);
515 my $lvmhash = get_lvm_devices
($lsblk_info);
517 my $disk_regex = ".*";
518 if (defined($disks)) {
521 } elsif (ref($disks) ne 'ARRAY') {
522 die "disks is not a string or array reference\n";
524 # we get cciss/c0d0 but need cciss!c0d0
525 $_ =~ s
|cciss
/|cciss
!| for @$disks;
527 if ($include_partitions) {
528 # Proper blockdevice is needed for the regex, use parent for partitions.
529 for my $disk ($disks->@*) {
530 next if !is_partition
("/dev/$disk");
531 $disk = strip_dev
(get_blockdev
("/dev/$disk"));
535 $disk_regex = "(?:" . join('|', @$disks) . ")";
538 dir_glob_foreach
('/sys/block', $disk_regex, sub {
540 # whitelisting following devices
541 # hdX: ide block device
542 # sdX: sd block device
543 # vdX: virtual block device
544 # xvdX: xen virtual block device
545 # nvmeXnY: nvme devices
546 # cciss!cXnY: cciss devices
547 return if $dev !~ m/^(h|s|x?v)d[a-z]+$/ &&
548 $dev !~ m/^nvme\d+n\d+$/ &&
549 $dev !~ m/^cciss\!c\d+d\d+$/;
551 my $data = get_udev_info
("/sys/block/$dev");
552 return if !defined($data);
553 my $devpath = $data->{devpath
};
555 my $sysdir = "/sys/block/$dev";
557 # we do not want iscsi devices
558 return if is_iscsi
($sysdir);
560 my $sysdata = get_sysdir_info
($sysdir);
561 return if !defined($sysdata);
563 my $type = 'unknown';
565 if ($sysdata->{rotational
} == 0) {
567 $type = 'nvme' if $dev =~ m/^nvme\d+n\d+$/;
569 } elsif ($sysdata->{rotational
} == 1) {
570 if ($data->{rpm
} != -1) {
572 } elsif ($data->{usb
}) {
578 my $health = 'UNKNOWN';
583 my $smartdata = get_smart_data
($devpath, !is_ssdlike
($type));
584 $health = $smartdata->{health
} if $smartdata->{health
};
586 if (is_ssdlike
($type)) {
587 # if we have an ssd we try to get the wearout indicator
588 my $wearval = get_wear_leveling_info
($smartdata);
589 $wearout = $wearval if defined($wearval);
594 # we replaced cciss/ with cciss! above
595 # but in the result we need cciss/ again
596 # because the caller might want to check the
597 # result again with the original parameter
598 if ($dev =~ m
|^cciss
!|) {
599 $dev =~ s
|^cciss
!|cciss
/|;
602 $disklist->{$dev} = {
603 vendor
=> $sysdata->{vendor
},
604 model
=> $data->{model
} || $sysdata->{model
},
605 size
=> $sysdata->{size
},
606 serial
=> $data->{serial
},
616 my $by_id_link = $data->{by_id_link
};
617 $disklist->{$dev}->{by_id_link
} = $by_id_link if defined($by_id_link);
621 my $osdencrypted = 0;
623 my $journal_count = 0;
627 my $partpath = $devpath;
629 # remove part after last / to
630 # get the base path for the partitions
631 # e.g. from /dev/cciss/c0d0 get /dev/cciss
632 $partpath =~ s/\/[^\/]+$//;
634 my $determine_usage = sub {
635 my ($devpath, $sysdir, $is_partition) = @_;
637 return 'LVM' if $lvmhash->{$devpath};
638 return 'ZFS' if $zfshash->{$devpath};
640 my $info = $lsblk_info->{$devpath} // {};
642 my $parttype = $info->{parttype
};
643 if (defined($parttype)) {
645 if $parttype eq '21686148-6449-6e6f-744e-656564454649';
647 if $parttype eq 'c12a7328-f81f-11d2-ba4b-00a0c93ec93b';
648 return 'ZFS reserved'
649 if $parttype eq '6a945a3b-1dd2-11b2-99a6-080020736631';
652 my $fstype = $info->{fstype
};
653 if (defined($fstype)) {
654 return "${fstype} (mounted)" if $mounted->{$devpath};
657 return 'mounted' if $mounted->{$devpath};
659 return if !$is_partition;
661 # for devices, this check is done explicitly later
662 return 'Device Mapper' if !dir_is_empty
("$sysdir/holders");
664 return; # unused partition
667 my $collect_ceph_info = sub {
670 my $ceph_volume = $ceph_volume_infos->{$devpath} or return;
671 $journal_count += $ceph_volume->{journal
} // 0;
672 $db_count += $ceph_volume->{db
} // 0;
673 $wal_count += $ceph_volume->{wal
} // 0;
674 if (defined($ceph_volume->{osdid
})) {
675 $osdid = $ceph_volume->{osdid
};
676 $bluestore = 1 if $ceph_volume->{bluestore
};
677 $osdencrypted = 1 if $ceph_volume->{encrypted
};
680 my $result = { %{$ceph_volume} };
681 $result->{journals
} = delete $result->{journal
}
682 if $result->{journal
};
688 dir_glob_foreach
("$sysdir", "$dev.+", sub {
691 $partitions->{$part} = $collect_ceph_info->("$partpath/$part");
692 my $lvm_based_osd = defined($partitions->{$part});
694 $partitions->{$part}->{devpath
} = "$partpath/$part";
695 $partitions->{$part}->{parent
} = "$devpath";
696 $partitions->{$part}->{gpt
} = $data->{gpt
};
697 $partitions->{$part}->{type
} = 'partition';
698 $partitions->{$part}->{size
} =
699 get_sysdir_size
("$sysdir/$part") // 0;
700 $partitions->{$part}->{used
} =
701 $determine_usage->("$partpath/$part", "$sysdir/$part", 1);
702 $partitions->{$part}->{osdid
} //= -1;
704 # Avoid counting twice (e.g. partition on which the LVM for the
705 # DB OSD resides is present in the $journalhash)
706 return if $lvm_based_osd;
708 # Legacy handling for non-LVM based OSDs
710 if (my $mp = $mounted->{"$partpath/$part"}) {
711 if ($mp =~ m
|^/var/lib
/ceph/osd/ceph-
(\d
+)$|) {
713 $partitions->{$part}->{osdid
} = $osdid;
717 if (my $journal_part = $journalhash->{"$partpath/$part"}) {
718 $journal_count++ if $journal_part == 1;
719 $db_count++ if $journal_part == 2;
720 $wal_count++ if $journal_part == 3;
721 $bluestore = 1 if $journal_part == 4;
723 $partitions->{$part}->{journals
} = 1 if $journal_part == 1;
724 $partitions->{$part}->{db
} = 1 if $journal_part == 2;
725 $partitions->{$part}->{wal
} = 1 if $journal_part == 3;
726 $partitions->{$part}->{bluestore
} = 1 if $journal_part == 4;
730 my $used = $determine_usage->($devpath, $sysdir, 0);
731 if (!$include_partitions) {
732 foreach my $part (sort keys %{$partitions}) {
733 $used //= $partitions->{$part}->{used
};
736 # fstype might be set even if there are partitions, but showing that is confusing
737 $used = 'partitions' if scalar(keys %{$partitions});
739 $used //= 'partitions' if scalar(keys %{$partitions});
740 # multipath, software raid, etc.
741 # this check comes in last, to show more specific info
743 $used //= 'Device Mapper' if !dir_is_empty
("$sysdir/holders");
745 $disklist->{$dev}->{used
} = $used if $used;
747 $collect_ceph_info->($devpath);
749 $disklist->{$dev}->{osdid
} = $osdid;
750 $disklist->{$dev}->{journals
} = $journal_count if $journal_count;
751 $disklist->{$dev}->{bluestore
} = $bluestore if $osdid != -1;
752 $disklist->{$dev}->{osdencrypted
} = $osdencrypted if $osdid != -1;
753 $disklist->{$dev}->{db
} = $db_count if $db_count;
754 $disklist->{$dev}->{wal
} = $wal_count if $wal_count;
756 if ($include_partitions) {
757 foreach my $part (keys %{$partitions}) {
758 $disklist->{$part} = $partitions->{$part};
768 my ($part_path) = @_;
770 my $st = stat($part_path);
772 die "error detecting block device '$part_path'\n"
773 if !$st || !$st->mode || !S_ISBLK
($st->mode) || !$st->rdev;
775 my $major = PVE
::Tools
::dev_t_major
($st->rdev);
776 my $minor = PVE
::Tools
::dev_t_minor
($st->rdev);
777 my $partnum_path = "/sys/dev/block/$major:$minor/";
781 $partnum = file_read_firstline
("${partnum_path}partition");
783 die "Partition does not exist\n" if !defined($partnum);
785 #untaint and ensure it is a int
786 if ($partnum =~ m/(\d+)/) {
788 die "Partition number $partnum is invalid\n" if $partnum > 128;
790 die "Failed to get partition number\n";
797 my ($part_path) = @_;
799 my ($dev, $block_dev);
800 if ($part_path =~ m
|^/dev/(.*)$|) {
802 my $link = readlink "/sys/class/block/$dev";
803 $block_dev = $1 if $link =~ m
|([^/]*)/$dev$|;
806 die "Can't parse parent device\n" if !defined($block_dev);
807 die "No valid block device\n" if index($dev, $block_dev) == -1;
809 $block_dev = "/dev/$block_dev";
810 die "Block device does not exists\n" if !(-b
$block_dev);
818 return defined(eval { get_partnum
($dev_path) });
821 sub locked_disk_action
{
823 my $res = PVE
::Tools
::lock_file
('/run/lock/pve-diskmanage.lck', undef, $sub);
828 sub assert_disk_unused
{
831 die "device '$dev' is already in use\n" if disk_is_used
($dev);
836 sub append_partition
{
837 my ($dev, $size) = @_;
840 $devname =~ s
|^/dev/||;
843 dir_glob_foreach
("/sys/block/$devname", qr
/\Q
$devname\E.*?
(\d
+)/, sub {
844 my ($part, $partid) = @_;
846 if ($partid >= $newpartid) {
847 $newpartid = $partid + 1;
851 $size = PVE
::Tools
::convert_size
($size, 'b' => 'mb');
853 run_command
([ $SGDISK, '-n', "$newpartid:0:+${size}M", $dev ],
854 errmsg
=> "error creating partition '$newpartid' on '$dev'");
858 # loop again to detect the real partition device which does not always follow
859 # a strict $devname$partition scheme like /dev/nvme0n1 -> /dev/nvme0n1p1
860 dir_glob_foreach
("/sys/block/$devname", qr
/\Q
$devname\E.*$newpartid/, sub {
863 $partition = "/dev/$part";
869 # Check if a disk or any of its partitions has a holder.
870 # Can also be called with a partition.
871 # Expected to be called with a result of verify_blockdev_path().
875 my $dev = strip_dev
($devpath);
877 return $devpath if !dir_is_empty
("/sys/class/block/${dev}/holders");
880 dir_glob_foreach
("/sys/block/${dev}", "${dev}.+", sub {
882 $found = "/dev/${part}" if !dir_is_empty
("/sys/class/block/${part}/holders");
888 # Basic check if a disk or any of its partitions is mounted.
889 # Can also be called with a partition.
890 # Expected to be called with a result of verify_blockdev_path().
894 my $mounted = mounted_blockdevs
();
896 return $devpath if $mounted->{$devpath};
898 my $dev = strip_dev
($devpath);
901 dir_glob_foreach
("/sys/block/${dev}", "${dev}.+", sub {
903 my $partpath = "/dev/${part}";
905 $found = $partpath if $mounted->{$partpath};
911 # Currently only supports GPT-partitioned disks.
912 sub change_parttype
{
913 my ($partpath, $parttype) = @_;
915 my $err = "unable to change partition type for $partpath";
917 my $partnum = get_partnum
($partpath);
918 my $blockdev = get_blockdev
($partpath);
919 my $dev = strip_dev
($blockdev);
921 my $info = get_disks
($dev, 1);
922 die "$err - unable to get disk info for '$blockdev'\n" if !defined($info->{$dev});
923 die "$err - disk '$blockdev' is not GPT partitioned\n" if !$info->{$dev}->{gpt
};
925 run_command
(['sgdisk', "-t${partnum}:${parttype}", $blockdev], errmsg
=> $err);
928 # Wipes all labels and the first 200 MiB of a disk/partition (or the whole if it is smaller).
929 # If called with a partition, also sets the partition type to 0x83 'Linux filesystem'.
930 # Expected to be called with a result of verify_blockdev_path().
934 my $devname = basename
($devpath);
935 my $dev_size = PVE
::Tools
::file_get_contents
("/sys/class/block/$devname/size");
937 ($dev_size) = $dev_size =~ m
|(\d
+)|; # untaint $dev_size
938 die "Couldn't get the size of the device $devname\n" if !defined($dev_size);
940 my $size = ($dev_size * 512 / 1024 / 1024);
941 my $count = ($size < 200) ?
$size : 200;
944 dir_glob_foreach
("/sys/class/block/${devname}", "${devname}.+", sub {
946 push $to_wipe->@*, "/dev/${part}" if -b
"/dev/${part}";
949 if (scalar($to_wipe->@*) > 0) {
950 print "found child partitions to wipe: ". join(', ', $to_wipe->@*) ."\n";
952 push $to_wipe->@*, $devpath; # put actual device last
954 print "wiping block device ${devpath}\n";
956 run_command
(['wipefs', '--all', $to_wipe->@*], errmsg
=> "error wiping '${devpath}'");
959 ['dd', 'if=/dev/zero', "of=${devpath}", 'bs=1M', 'conv=fdatasync', "count=${count}"],
960 errmsg
=> "error wiping '${devpath}'",
963 if (is_partition
($devpath)) {
964 eval { change_parttype
($devpath, '8300'); };