http://192.168.180.206:8001/ 2026-05-13T04:15:50+00:00 http://192.168.180.206:8001/ http://192.168.180.206:8001/_media/wiki:dokuwiki.svg text/html 2020-12-16T12:19:40+00:00 Anonymous (anonymous@undisclosed.example.com) http://192.168.180.206:8001/datarecovery:bad_sectors?rev=1608121180&do=diff bad sectors SMART test There are three types of self-tests that a device can execute (all are safe to user data): * Short: runs tests that have a high probability of detecting device problems, * Extended or Long: the test is the same as the short check but with no time limit and with complete disk surface examination, text/html 2020-04-23T06:26:32+00:00 Anonymous (anonymous@undisclosed.example.com) http://192.168.180.206:8001/datarecovery:ext4?rev=1587623192&do=diff EXT4 Determine FS block size # tune2fs -l /dev/mapper/sdb5 | grep Block Block count: 242871296 Block size: 4096 Blocks per group: 32768 Try to read bad sector: hdparm --read-sector 965009739 /dev/sda Write sector with zeros: text/html 2023-09-12T08:52:55+00:00 Anonymous (anonymous@undisclosed.example.com) http://192.168.180.206:8001/datarecovery:grub_rescue?rev=1694508775&do=diff GRUB rescue GRUB_DISABLE_OS_PROBER=true reinstall grub in chroot export TARGET=/mnt for i in /dev /dev/pts /proc /sys /run /run/lvm; do sudo mount --bind ${i} /${TARGET}${i}; done chroot ${TARGET} grub-install /dev/sdX update-grub update-initramfs for i in /dev /dev/pts /proc /sys /run /run/lvm; do sudo umount /${TARGET}${i}; done text/html 2023-01-28T17:52:56+00:00 Anonymous (anonymous@undisclosed.example.com) http://192.168.180.206:8001/datarecovery:lvm?rev=1674928376&do=diff Thin LVM and badblock Kernel reports problems with [5528686.859719] blk_update_request: I/O error, dev sda, sector 85981696 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Filter out sector numbers from journal: journalctl | grep 'dev sda, sector' | cut -d ' ' -f 12 | sort | uniq 82053408 85981440 85981536 85981544 85981552 85981560 85981568 85981696 85981704 85981712 85981720 85981728 85981736 85981744 85981752 85984832 85984840 85984848 85984856 85984864 85984872 85984880 85984888 8598… text/html 2020-04-23T06:27:18+00:00 Anonymous (anonymous@undisclosed.example.com) http://192.168.180.206:8001/datarecovery:ntfs?rev=1587623238&do=diff NTFS ntfs resize fail Error mounting: mount exited with exit code 12: Failed to read last sector (452534271): Invalid argument Failed to read last sector (235512835): Zły argument HINTS: Either the volume is a RAID/LDM but it wasn't setup yet, or it was not setup correctly (e.g. by not using mdadm --build ...), or a wrong device is tried to be mounted, or the partition table is corrupt (partition is smaller than NTFS), or the NTFS boot sector is corrupt (NTFS size is not valid)… text/html 2016-08-20T08:42:11+00:00 Anonymous (anonymous@undisclosed.example.com) http://192.168.180.206:8001/datarecovery:safecopy?rev=1471682531&do=diff safecopy There are some predefined settings: * stage1: Preset to rescue most of the data fast, using no retries and avoiding bad areas. Skip 10% of size when bad block found. 1 read attempt. * stage2: Preset to rescue more data, using no retries but searching for text/html 2024-11-21T11:42:43+00:00 Anonymous (anonymous@undisclosed.example.com) http://192.168.180.206:8001/datarecovery:transfer?rev=1732189363&do=diff transfers block device Sender: dd if=/dev/nvme0n1 bs=32M | pv -s 500G | zstd --fast -T0 | nc -w 2 192.168.177.173 44444 Receiver: nc -vl -p 44444 | zstd -d | pv -s 500G | dd bs=32M of=/dev/sda text/html 2020-04-23T06:26:48+00:00 Anonymous (anonymous@undisclosed.example.com) http://192.168.180.206:8001/datarecovery:undelete?rev=1587623208&do=diff undelete apt-get install testdisk photorec <https://www.cgsecurity.org/wiki/PhotoRec> File Formats Recovered By PhotoRec testdisk <https://www.cgsecurity.org/wiki/TestDisk:_undelete_file_for_FAT> <http://www.cgsecurity.org/wiki/PhotoRec>