Re: Request of urgent help....

From	Tim Woodall <debianuser@woodall.me.uk>
Newsgroups	linux.debian.user
Subject	Re: Request of urgent help....
Date	2022-01-13 23:10 +0100
Message-ID	<DFgs9-5QC-3@gated-at.bofh.it> (permalink)
References	<DEQem-3ZL-5@gated-at.bofh.it> <DEXSx-VH-1@gated-at.bofh.it> <DF3lf-4Nx-1@gated-at.bofh.it>
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Do you have an external disk you can copy sda to and experiment on?

>>> 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
>>>

>> # 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
>

Looks like sda1 and sda2 are missing from the partition table.

If it's just that then putting that back but changing nothing else is
all that is needed.

I'd use fdisk to do it, but other tools might be easier/less error
prone.


But making a disk level backup first is strongly recommended! It's
really easy to make things worse.

It's not obvious to me why there is a gap between the end of the HFS
partition and the start of sda3. That might be expected or might mean
the sector numbers aren't quite right...

Tim.

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Thread

Request of urgent help.... frantal@libero.it - 2022-01-12 19:10 +0100
  Re: Request of urgent help.... David Christensen <dpchrist@holgerdanske.com> - 2022-01-13 03:20 +0100
    Re: Request of urgent help.... frantal@libero.it - 2022-01-13 09:10 +0100
      Re: Request of urgent help.... Tim Woodall <debianuser@woodall.me.uk> - 2022-01-13 23:10 +0100

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