It looks like you've backuped an entire disk that might contain partitions.
So first check if you have partitions inside:
sudo fdisk -lu save.dd
If you have partitions inside, use the start offset of the partition to
create a loopback device (e.g. a partition starts at 56):
sudo losetup -o $((56*512)) /dev/loop0 save.dd
Now you should be able to use the partition. First check and than mount it:
sudo fsck -fv /dev/loop0
sudo mount /dev/loop0 /mnt
Kind regards
Thomas
Am Mi., 26. Aug. 2020 um 15:49 Uhr schrieb <ralf.prengel@xxxxxxxxxx>:
>
> Ralf Prengel <ralf.prengel@xxxxxxxxxxx> wrote:
>
> > I made a backup using dd without any problems but how can I mount
> > this image.
> > Normal loop options don't work.
>
> Too little information. Tell us what you tried (the exact command) and
> what happened (any error message).
>
> Ok,
> sorry.
> Our recoder device that stores all videos of several cameras doesn t work
> any longer.
> Before doing anything on the the device or the disk I made a full backup
> oft he disk with dd.
> Trying to mount this file simple with mount -o loop save.dd /mnt/backup
> fails.
> I found out that VDR are using non-standard disk-configurations and
> filesystems.
> So my question if there is a way to get access the files in the image.
> Tools like parted don t show partions in the bckup-file.
>
> Thanks
> Ralf
>
> Ralf Prengel
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>
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