A solid-state drive (SSD) is a data storage device that uses solid-state memory to store persistent data with the intention of providing access in the same manner of a traditional mechanical spinning/magnetic block i/o hard disk drive.
78
votes
9answers
45k 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?
73
votes
3answers
77k views
How to enable TRIM?
I know that the Linux kernel supports TRIM as of version 2.6.33, so there should be TRIM support in ubuntu.
Is TRIM enabled by default or do I need to change some settings or install additional ...
30
votes
5answers
20k views
Does Ubuntu have support for the TRIM command for use with SSD?
SSD drives need to be "cleared/reset" after the drive fills up to maintain performance. This is done through the TRIM command for new SSD drives. Does Ubuntu support the TRIM command (through hdparm ...
29
votes
5answers
63k views
Installing Ubuntu on a SSD
Going to install Ubuntu 10.10 on new intel x25M 80GB SSD. It will be fresh install. I have been googling for past few days and getting overwhelming articles/blogs/Q&As. One particularly very ...
28
votes
1answer
1k views
How do I install and use flashcache/bcache to cache HDD to SSD?
I want to know if there is anyone who has tried installing and running their kernel built with flashcache or bcache for SSD caching?
How did you manage to do it?
23
votes
2answers
5k views
Is a 40GB SSD practical to use for ' / '
I was lucky enough to be given a 40 GB SSD as a Christmas gift; and, given the inherent speed of these drives, decided it would be best used as the / partition; but then it occurred to me that this ...
21
votes
1answer
18k views
How well are SSDs supported?
I'm planning to buy an SSD (Corsair Force Series 60GB) but haven't found any reassurance that it is "safe" to install Ubuntu 11.04 on without commands or "hacks". I want to install Ubuntu on an SSD ...
19
votes
2answers
8k views
How to move Ubuntu to an SSD
My current situation is:
One hard disk
Dual boot Ubuntu 11.04 and Windows 7. Partitions:
100MB Windows System thingy
144GB Main Windows
160GB Ubuntu
4GB Swap
12GB System Restore stuff
Now I want ...
16
votes
4answers
2k views
Is Seagate's new “FAST Factor Boot” technology compatible with Ubuntu?
I'm looking at buying a new laptop and considering buying one with a hybrid HDD/SSD drive. Specifically I am looking at the new second generation Seagate Momentus XT. For some reviews look here and ...
13
votes
5answers
4k views
What's the story with TRIM support?
The situation with TRIM in Ubuntu has me utterly confused. I don't know whether I need to manually run it or not. Sources I've found are disparate and unclear.
I have Ubuntu 10.04 with latest updates ...
13
votes
3answers
5k 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 ...
13
votes
3answers
1k views
What in /home would benefit from being on an SSD?
In Is a 40GB SSD practical to use for ' / ' Jorge describes how he symlinks directories in his /home that would benefit from being on an SSD. The directories he names are
~/.cache
~/.config
...
12
votes
2answers
4k views
How do I check whether partitions on my SSD are properly aligned?
I just installed ubuntu on my new intel SSD. Now I am not sure, whether paritions are properly aligned in respect to my specific SSD.
Here's my fdisk output.
$ fdisk -l
Platte /dev/sda: ...
11
votes
3answers
610 views
How can I log my SSD's read performance over time?
I'd like to keep a log over time, perhaps weekly, of my solid state drive's read rate as determined by a tool like System -> Administration -> Disk Utility -> Benchmark:
Is there a way to archive ...
10
votes
2answers
510 views
What should I know about SSDs that can be used with Ubuntu?
I'm building a new configuration and intend to buy an SSD with it. I recall that the first SSDs were problematic in Linux for some reason (maybe lack of TRIM support?).
Is there something to ...
10
votes
1answer
3k views
Should I align partitions on an SSD, if so how do I do it at install time?
I just bought a new SSD (OCZ Vertex 2) and plan to do a clean install of Maverick on it (/home is on a separate HDD). I read that it is wise to align SSD partitions.
What advantages does it truly ...
10
votes
2answers
16k views
GRUB: “invalid arch independent ELF magic” after install on SSD
I've got a brand new laptop with a 128GB SSD drive. I read that aligning the partitions to match the Erase Block Size of the SSD is important. I followed William Scott's guide SSD Tweaks in Linux and ...
10
votes
3answers
7k views
Should I use btrfs or Ext4 for my SSD?
Should I use btrfs (with discard, compress=lzo and space_cache options) or Ext4 (with discard option) for the SSD for my Ubuntu 11.10 (Oneiric) amd64 desktop root partition of my office machine?
...
8
votes
2answers
6k views
What's a good partition method to combine an SSD boot drive with a 1TB data drive?
i actually want to switch to ubuntu, but i'm afraid that i cant use my harddrives as i want.
I have a SSD with 64gb and a 6gb/s 1 Terabyte harddrive.
I want to use the ssd only as a boot device and ...
7
votes
1answer
371 views
Does the system suffer in performance because of full-disk encryption?
I have a netbook that uses an SSD (Corsair Force 3 SSD (5.02)). When installing Ubuntu on it I chose an encrypted file system with EXT4. My question is: Does the file system suffer any performance ...
7
votes
2answers
10k views
Best /etc/fstab setings for boosting SSD/HDD
I know EXT4 is the fastest by 3y already checking test blog posts from different authors But theres also other settings that make SSD faster i found in ...
7
votes
1answer
303 views
What exactly do the 'allow-discards' and 'root_trim' Linux parameters do?
A lot of SSD-related instructions online currently say you should add allow-discards and root_trim=yes to your GRUB_CMDLINE_LINUX. I have yet to find one that says why you should do that, i.e. what ...
7
votes
1answer
5k 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 ...
7
votes
2answers
2k 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
1answer
356 views
Very slow copying Ubuntu 12.10, AHCI
I have two disks, SSD (Samsung 830 128GB) and normal HDD (WD 1TB) and Ubuntu 12.10 installed. AHCI enabled in the BIOS. I have a problem with extremely slow copying in all directions ...
6
votes
4answers
2k views
What about the performance enhancement when using an SSD as the main disk?
I'm planning to buy a new PC and I am thinking about using an SSD as the main disk. I'd also use a standard spinning disk and I'd mount it to /home.
To the people already using such a setup: does ...
6
votes
2answers
251 views
Investigate disk writes further to find out which process writes to my SSD
I try to minimize disk writes to my new SSD system drive.
I'm stuck with iostat output:
~ > iostat -d 10 /dev/sdb
Linux 2.6.32-44-generic (Pluto) 13.11.2012 _i686_ (2 CPU)
Device: ...
6
votes
3answers
7k 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:
...
6
votes
1answer
2k 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 ...
6
votes
1answer
198 views
What are the advantages/disadvantages of different SSD to HDD cacheing options (dm-cache, flashcashe…)?
There appear to be various different technologies available to use an SSD to act as a cache for HHDs. The ones I know of:
dm-cache (by Redhat - in the 3.9 Kernel, so it should be in ubuntu 13.10)
...
5
votes
1answer
2k views
How do I symlink certain directories in /home to an SSD?
In Is a 40GB SSD practical to use for ' / ' Jorge describes how he symlinks things in his /home that would benefit from being on an SSD. How is this done?
I've figured that I need to do the ...
5
votes
1answer
286 views
Is there a way to force a specific file to exist in RAM only?
I like this suggestion of mounting a tmpfs at /var/log in order to reduce disk writes.
Is there any way to do something similar for just a single file such as ~/.xsession-errors?
My incentive for ...
5
votes
1answer
2k views
What SSD support changes are there in 11.04?
For Ubuntu 10.10 I put together a list of optimizations and configuration options that needed tweaking for optimum SSD support:
https://wiki.ubuntu.com/MagicFab/SSDchecklist
I am wondering what has ...
5
votes
1answer
2k views
Best FS for SSD as of 10.10 [duplicate]
Possible Duplicate:
How do I optimize the OS for SSDs?
Given what I think is a common scenario:
SSD used as boot disk
Conventional HD(s) for bulk storage
Ubuntu 10.10
What's the best ...
5
votes
1answer
1k views
Moved to SSD and now getting “the disk drive for / is not ready yet”
I moved my Ubuntu 12.04 install over to an SSD drive. Copied all directories except for the ones most often written to - var, tmp, ...
Reinstalled grub into SSD by booting with live CD and following ...
5
votes
1answer
754 views
How to layout the filesystem for a small SSD and a big HDD?
Since I don't use my laptop's CD-drive I want to put a small (8 GB) SSD into the CD-drive slot (I'll use a caddy similar to this one). I want to use compressed btrfs on the SSD and put all the data on ...
5
votes
1answer
502 views
How to speed up copying files to NTFS drive?
I recently bought new USB 3.0 flash drive (write speed: 110 MB/s, read speed: 190 MB/s). And I have Dell XPS 13 (it has SSD and USB 3.0).
My problem is speed of copying files to the USB flash stick.
...
5
votes
4answers
2k views
Dual boot Windows 7 and Ubuntu, SSD + HDD
I am new to linux and Ubuntu and wish to create a system that can boot both Windows 7 (for windows specific applications) and Ubuntu (I wish to become familiar with linux and Ubuntu for work). I have ...
4
votes
2answers
4k views
TRIM on an encrypted SSD
wiki.ubuntuusers.de says if I want to use TRIM on an encrypted SSD, I need at least cryptsetup 1.4 and kernel 3.1. Do I need this, when creating the partitions and setting up encryption, or is ...
4
votes
2answers
587 views
16GB SSD booster on ubuntu
I've bought a Lenovo Thinkpad Edge laptop which has a hybrid 320GB HDD + 16GB SSD, then I've installed Ubuntu 12.04, so now I have dual boot - Ubuntu/Windows7.
Everything is fine but the question is ...
4
votes
1answer
1k 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 ...
4
votes
3answers
6k views
Clone internal HDD to new SSD
I recently installed an SSD into my machine. The machine itself is a Lenovo thinkpad W520, and it previously had an internal HDD. I moved the internal HDD into an expansion bay (replacing the CD-ROM), ...
4
votes
1answer
2k views
Where to install boot loader on a Zenbook Prime?
I cannot figure out where to install the boot loader on my Zenbook UX31A Prime. I have installed Ubuntu many times on normal hard drives, but this is the first SSD and I am struggling.
Installed ...
4
votes
2answers
4k views
Will a laptop with hybrid HDD + SSD run Ubuntu?
So my ol' X71SL is starting to show its age and as much as it saddens me, I think I'll need a new daily driver and I am very intered in the Asus UX32VD.
I intend to dual boot if I end up buying it, ...
4
votes
2answers
877 views
How to boot Ubuntu from SSD drive which cannot be selected as boot device?
I have freshly installed Ubuntu 12.10 (64 bits) on an Asus S405CM-WX117H laptop (similar to this one) which features a 24GB SSD drive and a regular 500GB hard drive.
I placed the / (ext4) root file ...
4
votes
2answers
689 views
Running Ubuntu On My OCZ RevoDrive 2 - No such drivers exist?
Would anyone know if there are future plans or a possiblity of getting some drivers for my SSD; There is very little to no support from OCZ regarding linux drivers - Is there a coder out there that ...
4
votes
2answers
613 views
Installed on a machine with EFI and after installation, it says the disk is not bootable
I installed Ubuntu 11.10 and the installation runs through fine. It then says reboot, and the machine says 'inserts a boot disk' which means the hard disk isn't bootable. The primary hard disk is an ...
4
votes
3answers
3k views
Do you recommend LUKS encryption on a SSD (TRIM support)?
I have a laptop (Dell Inspiron 11z) and and SSD (Samsung 128GB) on order.
On my current laptop, I have a spinning HDD and use LVM and LUKS encryption.
I would like to use LUKS on the SSD but from ...
4
votes
1answer
830 views
Setting up lvm with HDD and SSD
My current hard drive is just about full and rather than just toss it and get a new one (since it works fine), I want to get a new drive and set them both up using lvm. While I'm at it, I also want to ...
4
votes
1answer
2k views
dual boot: Ubuntu 12.04 with Windows 7 on a 240GB SSD
I would like to replace the HD in my laptop (ASUS i3, 4GB, 13.3") for a SSD. The information I've found is not precise.
I would appreciate your advice/links on:
Preparation of SSD.
Partitions on a ...
