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Re: Wiping an unencrypted SSD in preparation for encryption



	Hi.

On Thu, Jun 10, 2021 at 11:43:12PM -0700, David Christensen wrote:
> I don't bother with the 'discard' option in /etc/fstab, but perhaps I
> should.  The fstab(5) and mount(8) manual pages are unclear if
> 'discard' applies to swap or ext4.

swapon(8):

   -d, --discard[=policy]
	  Enable  swap  discards ... The /etc/fstab mount options discard,
discard=once, or discard=pages may also be used to enable discard flags.


Therefore 'discard' can be applied to both ext4 and swap.

Reco


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