Not able to grow the partition of an img file

BTR Naidu

3/10/24, 8:12 AM

I have an img file with below partition table

$ sudo parted tmp/disk.img 
GNU Parted 3.4
Using /tmp/disk.img
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) print                                                            
Model:  (file)
Disk /tmp/disk.img: 969MB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags: 

Number  Start   End     Size    Type     File system  Flags
 1      512B    67.1MB  67.1MB  primary  fat16        esp
 2      67.1MB  902MB   835MB   primary               boot
 3      902MB   969MB   67.1MB  primary  fat32

I have increased the disk using the dd command:

$ sudo dd if=/dev/zero bs=1M count=4096 >> /tmp/disk.img

now I need to increase the partition 3 using parted command:

$ sudo parted /tmp/disk.img resizepart 3 1300MB
Error: The location 1300MB is outside of the device /tmp/disk.img.

Can I get some clues on how to solve this issue?

0 + 4

bash

fdisk

parted

mikewhatever

3/10/24, 8:46 AM

I’m voting to close this question because it is unrelated to Ubuntu or any of its derivatives.

BTR Naidu

3/10/24, 8:51 AM

can you help me know which is the right place to post such a query?

mikewhatever

3/10/24, 8:53 AM

You can just search for it, for example: https://superuser.com/questions/610819/how-to-resize-img-file-created-with-dd?noredirect=1 Was that so hard?

BTR Naidu

3/16/24, 11:56 AM

Thanks but the issue which you posted for reference is not exactly same. Here I want to grow, a fat32 (msdos) file system, unattended via a script. .. It has a different use case. If server fault is the right place then I can happy to post it there.

Elon Musk

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EN: Not able to grow the partition of an img file

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