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SSD alignment problem #13541

@VikMorroHun

Description

@VikMorroHun

Distribution

Mint Cinnamon 22.3 64 bit

Package version

6.6.6

Graphics hardware in use

NVIDIA Geforce RTX 5070

Frequency

Only occasionally

Bug description

There is a good chance the Linux Mint installer will mess up partition alignment. Default cluster size for an Ext4 partition is 4096 bytes.
If we take a look at partition information in GParted and divide the First sector by the cluster size the result should be a natural number.
When I first installed Linux Mint and created the Ext4 partition with the built-in tool the result was not a natural number. Thus partition alignment was off by half a cluster. This is a problem if Linux Mint is installed on an SSD.

Steps to reproduce

  1. Delete partition.
  2. Start Linux Mint installer from Live USB.
  3. Install Linux Mint to a newly created Ext4 partition with the installer tool.
  4. After installation finished check partition alignment in GParted.

Expected behavior

What should happen: automatically align partition according to cluster size. In GParted there is an option to align partition to MiB but not in the built-in installer.

Additional information

No response

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