On 4/20/20 12:13 PM, Paul Wise wrote:
On Mon, 2020-04-20 at 09:35 +0200, Ondrej Kozina wrote:
Did you have discard allowed on both dm-crypt devices? dm-crypt
(kernel) does not allow discards by default.
I did not, I guess that explains why I got no errors.
FYI if you use LUKS2 metadata format for encrypted drives, you can
enable discards by default once and for all by following command:
cryptsetup open /dev/sdx sdx_unlocked --allow-discards --persistent
Any following unlock will enable discards automatically.
Regards O.
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