https://bugs.kde.org/show_bug.cgi?id=470675
Bug ID: 470675
Summary: Broken NTFS after moving partition
Classification: Applications
Product: partitionmanager
Version: 23.04.0
Platform: Archlinux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: andr...@stikonas.eu
Reporter: mentele...@hotmail.com
Target Milestone: ---
SUMMARY
***
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***
STEPS TO REPRODUCE
1. Select "Resize/Move"
2. Input space before=0 to move partition left
3. Execute operation
OBSERVED RESULT
Operation reported error (See log below). Got "Reserved fields aren't zero (0,
0, 0, 0, 1, 0)" when checking the partition.
EXPECTED RESULT
SOFTWARE/OS VERSIONS
Windows:
macOS:
Linux/KDE Plasma:
(available in About System)
KDE Plasma Version:
KDE Frameworks Version: 5.105.0
Qt Version: 5.15.9 (built against 5.15.8)
ADDITIONAL INFORMATION
Logs:
KDE Partition Manager: SMART Status Report
Program version: 23.04.0
Backend: pmsfdiskbackendplugin (1)
KDE Frameworks version: 5.105.0
Machine: Linux 6.2.12-arch1-1 #1 SMP PREEMPT_DYNAMIC Thu, 20 Apr 2023
16:11:55 +0000 x86_64
Move partition ‘/dev/sda4’ to the left by 1.92 TiB
Job: Check file system on partition ‘/dev/sda4’
Command: ntfsresize --no-progress-bar --info --force --verbose /dev/sda4
Check file system on partition ‘/dev/sda4’: Success
Job: Set geometry of partition ‘/dev/sda4’: Start sector: 4,922,705,920,
length: 6,442,448,896
Command: sfdisk --force /dev/sda -N 4
Set geometry of partition ‘/dev/sda4’: Start sector: 4,922,705,920, length:
6,442,448,896: Success
Job: Move the file system on partition ‘/dev/sda4’ to sector 4,922,705,920
Copying 314,572 chunks (3,298,533,834,752 bytes) from 4,634,308,509,696 to
2,520,425,431,040, direction: left.
Copying 18 MiB/second, estimated time left: 20:40:00
Copying 18 MiB/second, estimated time left: 18:40:29
Copying 18 MiB/second, estimated time left: 16:23:04
Copying 18 MiB/second, estimated time left: 14:05:59
Copying 18 MiB/second, estimated time left: 11:45:46
Copying 18 MiB/second, estimated time left: 09:23:13
Copying 18 MiB/second, estimated time left: 06:55:28
Copying 18 MiB/second, estimated time left: 04:27:18
Copying 18 MiB/second, estimated time left: 02:01:35
Copying 18 MiB/second, estimated time left: 23:37:35
Copying 18 MiB/second, estimated time left: 21:18:05
Copying 18 MiB/second, estimated time left: 18:58:25
Copying 18 MiB/second, estimated time left: 16:37:58
Copying 18 MiB/second, estimated time left: 14:16:55
Copying 18 MiB/second, estimated time left: 11:55:30
Copying 18 MiB/second, estimated time left: 09:32:28
Copying 18 MiB/second, estimated time left: 07:09:04
Copying 18 MiB/second, estimated time left: 04:45:56
Copying 18 MiB/second, estimated time left: 02:22:58
Copying 18 MiB/second, estimated time left: 00:00:00
Copying remainder of chunk size 7,340,032 from 7,932,835,004,416 to
5,818,951,925,760.
Copying 314,572 chunks (3,298,533,834,752 bytes) finished.
Closing device. This may take a few seconds.
Updating boot sector for NTFS file system on partition ‘/dev/sda4’.
Command:
Command:
Move the file system on partition ‘/dev/sda4’ to sector 4,922,705,920: Success
Job: Check file system on partition ‘/dev/sda4’
Command: ntfsresize --no-progress-bar --info --force --verbose /dev/sda4
Check file system on partition ‘/dev/sda4’: Error
Checking partition ‘/dev/sda4’ after resize/move failed.
Move partition ‘/dev/sda4’ to the left by 1.92 TiB: Error
******
The operation actually moved the data because I've compared the bytes in the
unallocated space (where the orignal data was) with the broken partition after
moving.
The part I have most concerned about is what partition manager did in "Updating
boot sector for NTFS file system". The partition was compressed NTFS so this
step might cause unexpected result I suppose. And because I'm seek for data
recovery service's help, such detail should be very helpful.
How is "Updating boot sector for NTFS file system" implemented? I searched
partition manager's source code but didn't find anything useful. Could
developers make some explanation?
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