Searching for Luks Trim Support information? Find all needed info by using official links provided below.
https://blog.christophersmart.com/2013/06/05/trim-on-lvm-on-luks-on-ssd/
Update2: systemd now has support for enabling trim on luks partitions by passing in the rd.luks.options=discard option and rebuilding grub config Update: The latest versions of Fedora now support the discard option in crypttab, not allow-discards. I have an (unfortunately too small) Samsung 840 Pro in my laptop and it’s been a long time since I’ve re-installed (no time for Korora for ...
https://blog.christophersmart.com/2016/05/12/trim-on-lvm-on-luks-on-ssd-revisited/
May 12, 2016 · 23 thoughts on “ TRIM on LVM on LUKS on SSD, revisited ” Stephen Gallagher 12 May, 2016 at 10:46 pm. Would you mind updating this post to be a complete set of instructions? It’s a little unclear if “the LVM settings in the other post are still the same” means that you need to just edit lvm.conf and that’s all, or if you still need to muck with fstab.conf as well.
http://blog.neutrino.es/2013/howto-properly-activate-trim-for-your-ssd-on-linux-fstrim-lvm-and-dmcrypt/
How to active TRIM on Linux? The first thing to know is that TRIM should be enabled on all I/O abstraction layers. This means that if you have an ext4 partition on top of LVM, which in turn is on top of an encrypted volume with LUKS/dm-crypt, then you must enable support for TRIM in these three layers: The filesystem, LVM and dm-crypt.
https://techgage.com/article/enabling_and_testing_ssd_trim_support_under_linux/
May 06, 2011 · Enabling and Testing SSD TRIM Support Under Linux. by Rob Williams on May 6, 2011 in Software, Storage. Owning an SSD that supports TRIM is great, but while Windows users have the benefit of having TRIM enabled for them, Linux users need to take the manual route – at least, at this point in time. In this article, we tackle the simple process ...
https://worldsmostsecret.blogspot.com/2012/04/how-to-activate-trim-on-luks-encrypted.html
Apr 13, 2012 · How to Activate TRIM on LUKS Encrypted Partitions in Ubuntu & Debian ... Can you add the trim support after the filesystem is in place, and has been for a while, or should this be done during the install process. I am curious what happens about data that is deleted pre-trim. I assume the controller on the drive will manage this appropriately ...
https://unix.stackexchange.com/questions/341442/luks-discard-trim-conflicting-kernel-command-line-options
Thus, to enable dm-crypt pass-though SSD trim support (a.k.a. discard) for dm-crypted devices opened during boot you have 2 options: add rd.luks.options=discard to the kernel command line and make sure that the initramfs image doesn't include a etc/crypttab
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