9
votes
2answers
17k 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 ...
11
votes
4answers
13k 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 ...
7
votes
3answers
9k views

Intel 330 SSD running slow, how can I improve performance?

I just installed a new Intel 330 60 GB SSD into my HP Mini 2140 laptop. But it's not going as fast as expected and my hdparm results aren't looking very good compared to SSD benchmarks at: ...
7
votes
3answers
7k views

How should I configure TRIM Support for LVM logical volumes?

I am setting up a notebook for software demo purpose. The machine has a Intel Core i7 CPU, 8GB RAM, a 128GB SSD, and runs Ubuntu 12.04 LTS 64bit desktop. As it is, the SSD is configured to have a ...
4
votes
3answers
6k 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 ...
2
votes
3answers
11k views

partitioning ssd +hdd

I recently bought an ssd drive 128 gb and i would like yo have your suggestions on partitiong and installing ubuntu 12.10 on it. First of all my drives are : HDD 640 Gb SSD Samsung 830 series 128 Gb ...
5
votes
4answers
5k 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 ...
5
votes
1answer
4k views

Why isn't discard automatic for SSDs?

I was surprised to find that the discard option still isn't added automatically to my fstab, even though I have an SSD. Thus I have to follow these instructions to add it. Why doesn't the installer ...
8
votes
1answer
7k views

Is SSD TRIM support still automatic in 12.10?

Folks I had automatic TRIM working on my laptop running Ubuntu Precise. As in the TRIM guide I added discard to mount options in /etc/fstab, and hdparm --read-sector read 0s immediately after a rm ...
4
votes
1answer
7k views

How to partition a small SSD alongside an HDD when installing Ubuntu

There is both a HDD and a 24GB SSD in my Ultrabook. I will install Windows (for testing in feature, as its free in university) in the HDD. I need to decide what to do with Ubuntu, as its the system ...
14
votes
2answers
4k views

Why does ~/.local/share/Trash still use lots of space even after emptying the Trash? [closed]

I delete files via Nautilus. I then empty the Trash. It shows as empty. However, ~/.local/share/Trash contains 1.5G of stuff. I have a small SSD and so this is highly annoying. Here's what ...
3
votes
2answers
1k views

Does upgrading a kernel automatically enable trim?

Simple question, I have some servers that were running 10.04 that I upgraded to 12.04. So they were installed using 10.04 (kernel 2.6.32* I believe) and the version of ext4 that shipped then. By ...
3
votes
1answer
3k views

Does the Intel 320 SSD work out-of-the-box?

I am a non-techie person, so I will ask my question in plain English: I have a ThinkPad T510 with a SATA II, 3 GB interface. I am thinking about a new drive and installing a 12.04 ISO in April. The ...
4
votes
1answer
2k views

SSD + TRIM + ext4 OK. What about LVM and RAID?

I've read that SSD TRIM is now supported in the recent kernels with ext4 too (see How to enable TRIM? ). Is it OK/safe to enable TRIM when having a) LVM b) RAID1+LVM? Thanks!
1
vote
0answers
5k views

Unsure about TRIM enabled on my SSD

I have a SSD OCZ Vertex4 installed on my laptop. I'm running Ubuntu 12.04 LTS. I have enable TRIM by adding "discard" to my fstab file. (also added option noatime). I rebooted my Ubuntu and followed ...

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