a solid-state disk (SSD)

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4
votes
1answer
278 views

fstrim and iostat

I have a new samsung ssd in my new notebook. I tuned up everything to avoid writings in the disk (firefox profiles and /var/log in memory), I'm using a ext4 fs with relatime and I use fstrim once a ...
0
votes
2answers
317 views

Should I change SSD?

Demsg shows this EXT4-fs error (device sda1): ext4_ext_get_blocks: inode #7743113: (comm flush-8:0) bad extent address iblock: 3503, depth: 1 pblock 0 EXT4-fs (sda1): delayed block allocation failed ...
3
votes
2answers
752 views

Is it OK to store /var/tmp on a SSD? [duplicate]

I have read that you should not store /tmp on a SSD, because the frequent writes will shorten the lifetime of the SSD. But what about /var/tmp? Is it reasonable for /var/tmp to be stored on a SSD? ...
9
votes
3answers
2k views

Trim with LVM and dm-crypt

I tried to setup TRIM with LVM and dm-crypt on ubuntu 13.04 following this tutorial: http://blog.neutrino.es/2013/howto-properly-activate-trim-for-your-ssd-on-linux-fstrim-lvm-and-dmcrypt/ See the ...
0
votes
0answers
23 views

Reasons to partition an encrypted ssd [duplicate]

I am just setting up a new system with Lubuntu 13.04. I have an SSD and the whole system will be encrypted with the standard LVM + dm-crypt method (as offered by the lubuntu installer). In the past I ...
2
votes
2answers
3k views

How to check drive temperature on Linux?

I have used of hdparm -n and smartctl -A but it always seem to be a "per drive" technique as a drive may answer for only one of these tools. So, is there a standard way to get the drive temperature ...
43
votes
2answers
3k views

What NOT to put on an SSD?

I bought an SSD and I am going to set up my desktop system with a completely fresh Linux installation. SSDs are known to be fast, but they have a disadvantage: The number of writes (per block?) is ...
1
vote
0answers
224 views

Can't see my ssd drive when booting using grub on a usb pen

I installed debian on my laptop and everything was fine (I may need to mention that I'm using LVM) until I reached the grub point. Since I have a GPT partition he refuses to install properly. I ...
3
votes
7answers
987 views

How can I defragment my SSD on linux?

This page demonstrates that defragmentation is beneficial for SSDs. I suppose this type of defragmentation has to be trim-aware, so as to preserve the life time of the disk. How can I do that on ...
5
votes
1answer
686 views

btrfs and the discard mount option on an ssd

I can't seem to find an answer to this so I thought I would ask here: In /etc/fstab and when using the mount command in ext4 you would add the option discard to activate TRIM on an SSD. Similarly ...
1
vote
3answers
291 views

New Computer keeps crashing on fresh install

I have a brand new HP Envy dv7-7212nr, second one, because I thought there was something wrong with the SSD with the first one. After I install Debian Testing or Mint, I compile the wireless drivers. ...
1
vote
4answers
76 views

Is there a robust way to cache contents of usb on local hd?

I'd like to switch between working on a laptop with a debian vm and a desktop pc running debian while carrying all my work files in a usb. Is there a robust way to automatically start caching the ...
4
votes
3answers
7k views

Persistent blockdev setra read ahead setting

I've got some SSDs mounted up on /dev/sda1 and /dev/sdb1 on a SLES 11 SP2 server, and I was able to tweak the read ahead setting with blockdev --setra: sudo blockdev --setra 4096 /dev/sda sudo ...
2
votes
1answer
496 views

Best way to encrypt my system on an ssd

I consider to buy an ssd for my laptop (something like Samsung 830 or 840) to make the system more responsive. I want my system (at least my home partition) to be encrypted. However I know about ...
0
votes
1answer
318 views

Moving stuff off of SSD to HDD after installation. Using mount --bind? LiveCD?

I installed Ubuntu 12.10 on my SSD. /dev/sda1. No other partitions. No swap. Then I went about reading how to optimize usage, and have come to the conclusion I want my /home, /var and /tmp mounted on ...
3
votes
2answers
266 views

How to dual boot Linux and Windows from small boot drive?

I am a Linux newbie, and I am trying to dual boot Linux Mint with Windows 7. Right now, Windows 7 boots from a small SSD, which has little extra room on it. Is there a way to set up a dual boot where ...
2
votes
1answer
232 views

Grub loading slowly with SSD

Since yesterday, I added a brand new SSD in my PC, and I am experiencing a very fast boot from grub menu. The problem is before arriving to this menu, I must wait for a long time (~30s in most cases). ...
0
votes
1answer
206 views

Fresh installation of debian and raid10 array with SSD and HDD

I have one 120Gb SDD and four 2Tb HDD at disposal. I would like to install Debian Squeeze on the SSD and create a software RAID10 array with the four HDD. According to your experience, how to ...
27
votes
3answers
13k views

How to know if a disk is an SSD or an HDD

I want to know whether a disk is a solid-state drive or hard disk. lshw is not installed. I do yum install lshw and it says there is no package named lshw. I do not know which version of ...
3
votes
1answer
286 views

How to mount some folders on a different partition

I recently got an SSD for my computer. Therefore I reinstalled my system and mounted / on /dev/sda1 (which is a partition on the SSD). To protect the SSD, I managed to mount /tmp on the RAMdisk. ...
1
vote
1answer
314 views

How do I know if my SSD is SLC or MLC?

I have 3 SSDs on my server. How can I tell if they are SLC or MLC?
0
votes
1answer
932 views

Low display resolution Ubuntu Gnome remix 12.10

I'm running Ubuntu Gnome remix 12.10 and it can't recognize my display. My HW is: Intel i3 3225 with HD 4000 onboard / is on a OCZ Vertex 4 SSD display is an old IBM Thinkvision with vga connector ...
4
votes
4answers
493 views

If I have an SSD and a hard disk in a system, can the SSD act as cache for the hard disk?

Say I have some partitions; one on a SATA drive and one on an SSD. I want to create a "virtual" hybrid disk. Is this possible?
1
vote
1answer
675 views

Installing Boot and OS on SSD, rest on HDD

Okay so I got an SSD for my notebook and I'm currently setting up my system. On the SSD I'd like to have the main OS (Crunchbang in this case) and maybe some swap whereas on the HDD I want my Home ...
2
votes
2answers
1k views

Installing Debian on an SSD

Does the Debian installer work out of the box for SSDs? I.e. I heard that you need to align the partitions to 32bit virtual clusters (is it actually true?). Are there any other things I need to take ...
0
votes
2answers
131 views

How to know which hard disk is the new one and which one is the old one

I ordered 2 SSDs from my provider. However, which drive is the main drive? How do I know which drive is the new SSD drives?
5
votes
2answers
832 views

Linux (3.4) SSD swap partition usage causes extreme latency - how to eliminate?

I'm running on 4G RAM with an extra 6G swap partition, SSD is a pretty decent SAMSUNG MZMPA128HMFU model. System responds very well to workloads when things stay in RAM, but as soon as things reach ...
2
votes
2answers
133 views

Why I have two /dev/sdx entries with a single disk?

In my laptop (running Linux) I have only one SSD, connected to the SATA3 port. Why I have two sdx entries in /dev directory? In particular I see /dev/sda and /dev/sdb, and /dev/sda is the SSD: # ...
3
votes
2answers
2k views

Optimal SSD configuration

I am thinking about buying an SSD for my Debian system. However, because I don't know what is the optimal arrangement (i.e. what goes on the SSD), I am not sure what is the optimal size. Obviously I ...
2
votes
2answers
822 views

Separating OS on a SSD from user settings and apps on HDD

I want to be able to format my OS SDD and format and reinstall without losing any user data, is this possible? I'm currently doing this on Windows 7 and 8 with the help of portable apps and some ...
2
votes
0answers
245 views

How to setup KVM partitions?

I'm trying to install SolusVM/KVM on a server with one 500 GB HD and one 256 SSD. I am a complete beginner at Linux. SolusVM has a script on the site to download and install automatically, but how do ...
4
votes
6answers
1k views

What about no swap?

I have a netbook with a very slow (especially on writes) SSD, would it be a good idea to go without swap? The way I see it is that code and unmodified pages will still be swapped (re-read) but I won't ...
1
vote
1answer
577 views

Why can't I install Linux on this SSD

I have tried installing several different distros onto my Vertex2 SSD. Whenever I try the disk does not show up as an installation option (it is not present in the drop down box). My most recent ...
3
votes
2answers
381 views

LVM with SSD and SATA hard disks

Is it possible to create LVM partitions for both SSD and SATA hard disks? I mean if there isn't any conflicts.
1
vote
0answers
994 views

Linux Mint 13 can't detect SSD &/or Windows 7

I'm a newcomer to Linux OSes in general. I'm trying to install Linux Mint 13 Cinnamon alongside Windows 7. Linux Mint can't seem to see/detect either of my SSDs and because of that, it can't ...
2
votes
2answers
2k views

Installing Linux Mint on a blank SSD

I've dual booted Mint and Windows 7, but I'd really like to get rid of Windows all together. And from what I understand, it's not really a true dual boot, but it's actually just running from inside ...
3
votes
2answers
413 views

Upgrading SSD Capacity - Clone Drive

I currently have a 60GB SSD that I have as my OS drive for Windows 7 partition and Fedora17 partition. Most data is stored on my 500GB HDD. I have upgraded to a 120GB drive, and want to clone the ...
7
votes
1answer
2k views

LVM + LUKS + SSD + Gentoo — making it all work together

I'm finding a lot of conflicting information out there, and as of yet haven't found anyone trying to pull together all of the components that I'm trying to do, so I'm hoping someone who understands ...
3
votes
2answers
6k views

How to enable SSD TRIM support on Fedora 17?

I used to install Linux on HDD. It's easy. But now I have a SSD, and I want to install Fedora 17 on it. What should I do to make Fedora 17 issue TRIM commands to the SSD?
19
votes
3answers
15k views

How can I safely remove a SATA disk from a running system?

I sometimes need to plug a disk into a disk bay. At other times, I have the very weird setup of connecting a SSD using a SATA-eSATA cable on my laptop while pulling power from a desktop. How can I ...
0
votes
2answers
1k views

Damn Small Linux on EEE PC 901

Has anyone tried to use (either install to HD or LiveUSB) Damn Small Linux on the Asus EEE PC 901 netbook? If so, does it work well? Does it have any problem with the WiFi connection?. I ask because ...
6
votes
3answers
600 views

Preload movie on RAM

My current computer is unable to run FullHD movies smoothly and I was already resigned to the idea, because it seemed a graphics card issue, mine not being powerful enought to do the work (which is ...
6
votes
1answer
6k views

How to configure a filesystem+LVM for effective usage of SSD?

ext4 is one of the filesystems recommended for using on SSDs (with a number of built-in techniques and advices how to tune it for better performance and wear-levelling of SSDs). I want to install a ...
5
votes
0answers
2k views

Installing pfSense firewall on an SSD

I was looking at creating a home firewall running pfSense (as I could not get IPCop to boot properly on my hardware). Doing a little research, however, I have some concerns with installing it onto an ...
2
votes
2answers
586 views

mbcache documentation

I want to experiment with mbcache kernel module, but I'm having trouble finding the documentation for it. If I understood correctly, mbcache allows the use of a fast SSD disk to act as a transparent ...
3
votes
3answers
2k views

Will formatting my drive TRIM my SSD?

Will a standard fresh linux (Ubuntu 11.10 to be exact) install and drive re-format (full) successfully TRIM my SSD, or do I need to do something extra? I know that ext4 will TRIM blocks on erase ...
6
votes
1answer
948 views

Move /usr to SSD

I have an SSD and regular HDD drive in my laptop. The SSD drive is not used at all; it is not even being mounted. I am using Arch Linux. I'd like to start using the SSD, and from what I have read I ...
6
votes
2answers
768 views

Poor random read SSD performance on Linux

I recently got an Intel 320-series SSD, and I am having difficulty achieving the advertised 38K IOPS for random 4K reads. Both with fio and my own hacked-together program, I am seeing around 6K IOPS. ...
7
votes
4answers
2k views

Switch off syslog on laptop?

Is there any point in keeping logs on my laptop? This is not a server to debug problems via syslog. I occassionally want to look at dmesg | tail but that does not mean I need anything on disk. Wastes ...
16
votes
3answers
1k views

File system for an SSD drive

I always thought that traditional file systems, are geared and optimized for non-ssd drive, where, for instance, data locality is important, and fragmentation is problematic. Is there a file system ...