Re: fstrim: /: the discard operation is not supported

[Tixy <tixy@yxit.co.uk>]

On Sun, 2023-06-11 at 19:54 +0200, hede wrote:
> Hi, 
> 
> on bullseye fstrim was working fine, but after the upgrade to bookworm fstrim stops working. 
> Setup is: ext4 on LUKS on LVM on SSD

I have same setup on the machine I upgraded to Bookworm today and I
just checked and discards still work.

[...]
> 
> But the crypttab includes:
> sda2_crypt UUID=[UUIDishere] none luks,discard
> 
> I've added "issue_discards = 1" to /etc/lvm/lvm.conf without success - and btw. that wasn't needed before the upgrade. 

I have both those settings, have done since I googled how to do this a
few releases ago.

> Any hints what to test or where to search for a solution?

After changing lvm.conf did you rebuild initramfs and reboot?

-- 
Tixy