Re: fstrim and LUKS [Re: Fedora 32 System-Wide Change proposal: Enable fstrim.timer by default]

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On 20.12.2019 21:53, Chris Murphy wrote:
> If your LUKS drives are listed in fstab, they will have fstrim issued
> and it will pass down to the physical drive.

Only with enabled discard option in /etc/crypttab, because trimming of
LUKS significantly decrease security level (everyone even without
password/key knowledge can identify that drive contains LUKS filesystem
and used disk space).

-- 
Sincerely,
  Vitaly Zaitsev (vitaly@xxxxxxxxxxxxxx)
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