Linked Questions

10
votes
4answers
10k views

Automatic TRIM vs. manual TRIM

I am currently trying to find out how to trim with my new TP and was wondering about the difference of manual/online trimming. Here is my setup: ThinkPad T430s with SSD Samsung 830, 128GB and ...
118
votes
13answers
90k views

How do I optimize the OS for SSDs?

What steps should be taken before/during/after installation of Ubuntu on a Solid State Drive to optimize performance and ensure maximum durability of the drive?
3
votes
1answer
360 views

TRIM and encrypted home folders

I have enabled TRIM for my root partition by adding discard in /etc/fstab, following How to enable TRIM? They mention that special steps are needed if I have an encrypted partition. I have encrypted ...
0
votes
0answers
65 views

Enable TRIM for Kingston SSDNow v300 on Ubuntu 15.04? [duplicate]

Although Ubuntu 14.04 enables TRIM out-of-the-box, it only does so on Intel and Samsung SSDs. I bought a Kingston SSDNow v300, not knowing that Kingston wasn't supported, and now I'm rather lost. How ...
0
votes
0answers
15 views

Is Trim enabled? [duplicate]

Is TRIM also enabled and working when moving the root partition to a Samsung Evo 850 SSD (no clean-install)? The home partition is still on my HDD. I've done this 2 months ago. I do know that TRIM is ...
2
votes
2answers
2k views

“A start job is running for /etc/rc.local Compatibility”: how to fix?

I just upgraded to Ubuntu Vivid (15.04) today, and after the restart I experienced a very long boot process. My laptop usually boots in 5 seconds or less, and now it hadn't finished even after a few ...
0
votes
1answer
1k views

Samsung ssd 840 pro configuration?

I am about to buy an SSD 840 pro from Samsung and I read I needed to do some configuration on ubuntu in order to not reduce its life, and get the optimal performances. What I wanna know is what I need ...
0
votes
1answer
57 views

About TRIM command execution

I have some question about TRIM command for SSDs. First of all, mounting partitions with discard option vs. trim in crontab. I'm aware discard option forces immediate trim after every single file ...
4
votes
2answers
2k views

Does TRIM work with FAT32?

I used this webupd8 guide to help me Trim my SSD on Ubuntu 13.10. The guide says that "you must make sure the partition(s) are EXT4 or BTRFS". Unfortunately, I stupidly assumed the HD was formatted to ...
0
votes
0answers
15 views

full disk encryption on SSD with trusty [duplicate]

I am about to install a new SSD into my laptop and I have to do full-disk encryption due to regulations where I work. Since this is a new install I can get it right from the outset. How can I install ...
4
votes
2answers
6k views

Samsung Magician on Ubuntu 14.04

I have replaced my laptop's HDD with a Samsung SSD 840 EVO 250GB and installed Ubuntu 14.04. I know that the Samsung Magician software drastically improves SSD performance, but have not been able to ...
27
votes
5answers
16k views

What is the recommended way to empty a SSD?

I've just received my new SSD since the old one died. This Intel 320 SSD supports TRIM. For testing purposes, my dealer put malware, err, Windows on it. I want to get rid of it and install Kubuntu on ...
5
votes
4answers
4k views

How to check if TRIM is working for an encrypted volume?

You can easily check if TRIM works for a "normal" ext4 partition: http://askubuntu.com/a/19480/5920. How to do that for a LUKS-encrypted one? Let's assume the default LUKS setup made by 12.04 ...

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