linux-ext4 - [Bug 220288] A typo Leads to loss of all data on disk

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Message-ID: <bug-220288-13602-Y5xrdJ0OuY@https.bugzilla.kernel.org/>
Date: Sat, 28 Jun 2025 21:39:11 +0000
From: bugzilla-daemon@...nel.org
To: linux-ext4@...r.kernel.org
Subject: [Bug 220288] A typo Leads to loss of all data on disk

https://bugzilla.kernel.org/show_bug.cgi?id=220288

--- Comment #5 from Artem S. Tashkinov (aros@....com) ---
(In reply to Andreas Dilger from comment #4)
> It is very common in my experience that ext4 filesystems are created on
> whole disk devices instead of partitions when run on servers, in order to
> ensure the filesystem is aligned to the start on the disk and with RAID
> stripes.

Not to mention that you can 

mke2fs /tmp/random.file

and then

e2fsck /tmp/random.file

or even use a loop device with no number.

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