> Il 13/01/2022 03:08 David Christensen <dpchr...@holgerdanske.com> ha scritto: > > > On 1/12/22 10:00 AM, fran...@libero.it wrote: > > Hi. I inadvertently deleted the Mac and EFI partitions of an HD inserted on > > a Macbook Pro (2009). Fortunately I have the Linux one (with Debian XFCE) > > that I am writing from. I tried to recover with Gparted (by installing > > gpart), but after more than an hour I stopped having no recovery signal. > > Then I installed test disk and this is the screen. > > <TestDisk 7.1, Data Recovery Utility, July 2019 > > Christophe GRENIER <gren...@cgsecurity.org> > > https://www.cgsecurity.org > > > > Disk /dev/sda - 480 GB / 447 GiB - CHS 58369 255 63 > > Partition Start End Size in sectors > > P EFI System 40 409639 409600 [EFI System Partition] > >> P Mac HFS 409640 700519039 700109400 > > P Linux filesys. data 700520448 759113727 58593280 > > P Linux Swap 759113728 761114607 2000880 > > P Linux filesys. data 761114624 937701375 176586752 > > > > Structure: Ok. Use Up/Down Arrow keys to select partition. > > Use Left/Right Arrow keys to CHANGE partition characteristics: > > P=Primary D=Deleted > > Keys A: add partition, L: load backup, T: change type, > > Enter: to continue > > HFS+ blocksize=4096 + Backup, 358 GB / 333 GiB> > > > > All partitions appear highlighted in green. > > What can I do to reset Mac OS? > > I don't dare shut down because I'm afraid it won't reboot anymore having > > wiped the EFI partition as well. > > How can I do without loosing the Mac data? Thanks in advance > > Francesco > > > Please run the following commands and reply with the complete console > session -- prompts displayed, commands entered, and output displayed: > > # cat /etc/debian_version ; uname -a > 11.2 Linux debian 5.10.0-10-amd64 #1 SMP Debian 5.10.84-1 (2021-12-08) x86_64 GNU/Linux > # lsblk > NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 447,1G 0 disk ├─sda3 8:3 0 27,9G 0 part / ├─sda4 8:4 0 977M 0 part [SWAP] └─sda5 8:5 0 84,2G 0 part /home sdc 8:32 1 57,8G 0 disk └─sdc1 8:33 1 57,7G 0 part /media/frantal/KINGSTON sr0 11:0 1 1024M 0 rom > # fdisk -l > Disk /dev/sda: 447,13 GiB, 480103981056 bytes, 937703088 sectors Disk model: CT480BX500SSD1 Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disklabel type: gpt Disk identifier: 20F7D036-E7D4-4247-9944-2190A2A933AE
Device Start End Sectors Size Type /dev/sda3 700520448 759113727 58593280 27,9G Linux filesystem /dev/sda4 759113728 761114623 2000896 977M Linux swap /dev/sda5 761114624 937701375 176586752 84,2G Linux filesystem Disk /dev/sdc: 57,8 GiB, 62058921984 bytes, 121208832 sectors Disk model: DataTraveler 3.0 Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disklabel type: dos Disk identifier: 0x2e247b39 Device Boot Start End Sectors Size Id Type /dev/sdc1 * 257280 121208831 120951552 57,7G c W95 FAT32 (LBA) > # which parted > /usr/sbin/parted > > David gpart version: gpart v0.2.3-dev (c) 1999-2001 Michail Brzitwa <mich...@brzitwa.de> Regards Francesco
