[solved]Run fsck mounted disk

[Spinnifex]

Hello

How can I run fsck as told me here

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[    4.122842] FAT-fs (nvme0n1p1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.

Regards
Spinnifex

[sturmvogel]

To run fsck you need to be root and the partitition you want to check have to be unmounted. If it is your data partition, unmount it and run fsck as root. If it is your root partition itself you want to check, you can't unmount it at a running session. You have to use a live media instead.

FAT-fs (nvme0n1p1):

According to this it's not your root partition. But only you know whats on there...

And fsck man page:
http://ftp.polarhome.com/service/man/?qf=FSCK&tf=2&of=Mageia&sf=8

[Spinnifex]

Hello and thanks

It is the ESP partition.
I have read that
it is secure to run

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 fsck -n

To perform a read only look for errors.

Spinnifex

[doktor5000]

It is safe to run, but will not provide dependable results and it will not fix anything, because it's a read-only run, fsck will also tell you that.
But if it's only the ESP partition it should be fine to unmount it and do a normal fsck run, then later mount it again.