On 11/23/20 12:07 AM, Sreyan Chakravarty wrote:
I am confused about whether I should use TRIM or DISCARD on my laptop.
I use LVM on top of LUKS and I do make frequent use of snapshots.
Merging them to my root volume.
I have a regular HDD and not a SSD.
Will enabling TRIM and DISCARD help me?
No, it won't.
If so, how do I do that ? I have already tried enabling:
issue_discards=1
in /etc/lvm/lvm.conf and then dracut -f
But fstrim -v / still fails with :
fstrim: /: the discard operation is not supported
So how do I enable it in Fedora32 ?
There's nothing to enable. As it says, your LV and hard drive don't
support discard.
However, I believe that it is useful for thin LVs, so after you've done
the conversion, it's something you could try.
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