A solid-state drive (SSD) is a data storage device that uses solid-state storage 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.

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114
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13answers
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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?
136
votes
2answers
153k 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 ...
43
votes
4answers
23k 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?
42
votes
5answers
104k 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 ...
14
votes
3answers
21k views

Do I need Intel Smart Response when installing Ubuntu?

With lots of guides and setup variations all over the internet, I find it confusing which is which to really follow. Normally, in Windows 8 my setup would be install everything in the HDD and use ...
12
votes
2answers
19k views

How to combine an SSD boot drive with a HDD data drive? [closed]

I have a SSD with 64 GB and a 6 GB/s 1 Terabyte harddrive. I want to use the SSD only as a boot device and maybe for swap storage. On the 1 Terabyte harddrive I want ot have the main file system. As ...
31
votes
2answers
8k 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 ...
29
votes
3answers
20k 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 ...
26
votes
5answers
13k 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 ...
6
votes
1answer
13k views

Is it safe to format msftres, msftdata and hidden partitions?

I have an acer V7 which came with a 1TB HDD, 24GB SSD and Windows 8 installed. I have installed Ubuntu onto the SSD and formatted the main partitions of the HDD. However, I also notice 3 other ...
11
votes
2answers
26k views

GRUB: “invalid arch independent ELF magic” after install on SSD [duplicate]

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 ...
3
votes
3answers
10k views

Setup for dual disk (SSD+HDD) with /home partition

I'm going to move from HDD to SSD (60GB) + HDD (250GB) setup. Basicly I want the system to be fast. Root partition will be on SSD but I'm not sure what to do with /home. All data like /pictures ...
27
votes
1answer
29k views

How is Trim enabled? [duplicate]

I have heard, that Ubuntu 14.04 will have Trim enabled by default. How will this be done? By adding a discards option to the ext4 mount options or by running a cron-job? Will the default options for ...
4
votes
2answers
5k 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 ...
2
votes
2answers
5k views

Installing programs in root vs home partitions?

I'm a new Linux user and a Windows convert. I tried Ubuntu (Dapper Drake) a few years ago and liked it quite a bit, and I'm in the process of installing Xubuntu 13.10 along side Windows7 on my brand ...
8
votes
1answer
4k 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 ...
2
votes
1answer
702 views

Dual Boot with SSD and HDD Storage [closed]

I currently have a 1TB HDD setup to dual boot Win7 and Ubuntu 12.04. I am purchasing a 256GB SSD and another 1TB HDD. My intentions are as follows: Setup the SSD as my dual boot device with Adobe ...
6
votes
6answers
6k views

How can I tell linux kernel to completely ignore a disk as if it was not even connected?

Notice Please scroll down for the answer (it has 0 points but it is the correct one). The problem is solved by a patch that will be in kernel 3.12.7 and up; I hope it will back-ported to earlier ...
3
votes
1answer
5k views

Partitions for Ubuntu and Windows 7 dual boot on SSD + HDD setup

I have purchased a new SSD (120GB) and I had a HDD (1TB) already installed. I will install both Ubuntu and Windows on these drives. As the file space on the SSD is limited and I've read that writing ...
2
votes
1answer
5k views

Installing Ubuntu 13.04 on a MSATA SSD

I am trying to install Ubuntu 13.04 on my 24Gb MSATA SSD. In my laptop, I've also got a 500Gb SATA HDD. I realize that in order for this to work I need to put my /home directory on the 500Gb HDD. ...
23
votes
1answer
22k 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 ...
10
votes
3answers
14k 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

What would be a good partitioning scheme for 128 gb SSD and 640 GB HDD

I have a combination of 128 GB SSD and a 640 GB HDD. I'm planning to install Xubuntu 12.04 on it. I have read some question here (like What's a good partition method to combine an SSD boot drive with ...
7
votes
1answer
4k views

Boot failure: failed: command IDENTIFY PACKET DEVICE

Trying to install from CD desktop image and getting: ata8.00: exception Emask 0x52 Sact 0x0 SErr 0xffffffff action 0xe frozen ata8: SError: { blah blah } ata8.00: failed command: IDENTIFY PACKET ...
3
votes
2answers
1k views

How to design partitions for SSHD?

I'm going to install Linux on Lenovo B5400, which contains: 500GB Hybrid SSHD with a 8 GB SSD and 500 GB HDD Designing partitions for my 2 Linux distros was quite easy before, when I had only HDD. ...
18
votes
2answers
14k 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: ...
31
votes
5answers
22k 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 ...
19
votes
3answers
3k 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 ...
4
votes
1answer
6k views

Can I cache an mdadm raid with an ssd?

I have a 1TB array set up in raid 1 using mdadm on Ubuntu 8, to store mission-critical files. I'd like to speed up read/write, especially for large files by caching to an SSD. Is this possible? Does ...
3
votes
1answer
431 views

Reorganize partitions with HDD and SSD

In my notebook I have a 16GB SSD and 1TB HDD. I have installed W7 an the HDD ~250GB. Then I have installed Ubuntu 12.04. The / I put on the SSD with ~12GB and also the SWAP with the rest of ~4GB. The ...
4
votes
1answer
1k views

How would I use tar for full backup and restore with system on SSD and home on HDD?

How would I use tar for full backup and restore with system on SSD and home on HDD? The existing backup and restore answers don't seem to cover the case where root and home are on separate devices
4
votes
1answer
5k views

Why doesn't Ubuntu detect all of my RAM on 64-bit? [duplicate]

Possible Duplicate: Ubuntu only detects 3.1 GB of ram on Ubuntu 64 bit ISSUE IDENTIFIED: BIOS bug. See dmesg output below. Question is: How to resolve this? Change made since 2.6.32 have ...
1
vote
2answers
2k views

How to transfer Ubuntu to SSD, but keeping home on HDD?

I would like to transfer my existing Ubuntu Trusty (14.04.1) system (including installed apps from PPAs) to an SSD. I want to retain my existing home directory on hard disk). What is the best method, ...
0
votes
2answers
41 views

Problem booting Ubuntu after removing Windows

so I've got a system that originally had Windows 8.1 on a regular HDD. I added an SSD and installed Ubuntu on it. After getting everything setup (this is my new media server), I decided to just ...
0
votes
1answer
172 views

Move or Install Apps on HDD not SSD

I find a few threads that essentially say "you don't have to do that", so here goes: I already can find how to move the Home folder for a single user off my SSD. I think I have an idea how to do that ...
0
votes
1answer
739 views

Empty Disk when trying to install dual-boot system

I recently purchased an SSD to speed up my computer experience. Before, I had Windows 7 and Ubuntu in a dual-boot system. The plan was to install Windows 8 on the SSD and then set aside ~30GB for the ...
18
votes
1answer
7k 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) ...
24
votes
5answers
6k views

With an SSD, do I need to change my swappiness to increase SSD life?

I encountered this article which includes the following suggestion: Swap and swappiness I kept my swap partition on the old HDD. Swap on the SSD would be faster, but would also shorten the ...
14
votes
2answers
11k views

Do I need to enable TRIM if I have a non-Intel/Samsung

I read in one of the webupd8 articles that TRIM support, which was introduced in Ubuntu 14.04, by default only works for Intel and Samsung SSDs. What about other? I am using Dell XPS 13 Dev Edition ...
2
votes
3answers
7k views

SSD Tweaks for Ubuntu 12.04 [duplicate]

Possible Duplicate: How do I optimize the OS for SSDs? I need to tweak my Dell XPS 13z SSD for maximum performance and life cycle than I read the solutions explained here, but it is for ...
19
votes
5answers
3k 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 ...
8
votes
2answers
11k 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 ...
8
votes
4answers
3k 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 ...
7
votes
2answers
6k views

How to set up SSD raid and TRIM support?

I am looking to set up a new server. I can only use Intel 520 Series 240gb MLC ssds or standard Seagate 7200rpm disks. These are the non negotiable options. Naturally, as this is going to be running ...
4
votes
2answers
9k 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, ...
3
votes
2answers
10k views

Do I need swap with new SSD?

Am about to upgrade to new SSD and thinking through partition migration process. Will I need SWAP with an SSD? I have 8GB RAM and an i5 processor.
1
vote
1answer
46 views

Install package to specified directory, e.g, some where under /home

I do not want packages to be installed under /. (sudo apt-get install ...). The reason why I need to do this is that: My '/' is mounted with my SSD(16GB) and my hard disk(500GB) is mounted at ...
1
vote
1answer
418 views

12.04 Installer is not recognizing current OS

I am trying to install Ubuntu 12.04 LTS on my Lenovo Y570, which already has Windows 7 on it. In the installer, it says that no OS is currently installed on my computer, and it only gives me two ...
11
votes
4answers
18k views

Put swap on SSD or HDD?

New installation coming up. 120gb SSD for OS and HOME and 1tb HDD for storage. 16gb of ram which means 16gb of swap if I recall correctly. SSD space is too valuable for a swap partition right? If my ...
4
votes
2answers
4k views

Advantages of separate /home partition on HDD + SSD setup

I have a brand new SSD and would like to optimize my Ubuntu 12.10 installation for best speed and durability of device. From what I know, there should always be a lot of free space in an SSD, and ...