a solid-state disk (SSD)

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Gentoo on Samsung 850 evo [on hold]

I want to use my Samsung 850 evo for Gentoo linux. I have read some posts about problems of evo 850 on linux, but they were about 2 years ago. Are there any problems with this SSD on linux, now? I ...
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41 views

How to explain this? Superblock corrupt in SSD

I got a file system corruption from a sudden power loss. During boot, it reported following error. error: unknown filesystem. Entering rescue mode... grub rescue> _" The board is an Intel ...
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37 views

SSD drive detected by BIOS and kernel but cannot be opened

I'm trying to get a rather new (purchased in October 2015) SSD drive (Intenso Top 128GB) to work on my Linux machine. The drive is detected by the BIOS (Award Modular) as a hard disk drive and it also ...
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26 views

Install Linux to SSD or HDD for virtualizing Windows with QEMU?

In my PC I have 1 TB slow HDD and 120 GB fast SSD. I am curious which one of my drives should be used for Ubuntu installation. I plan to use Windows without dual-boot - by virtualizing it with QEMU (...
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33 views

Should LVM2 logical volumes on a solid state drive have ~25% free space? [closed]

It is recommended that users maintain at least 25% free space on solid state drives for best performance - see http://www.howtogeek.com/165472/6-things-you-shouldnt-do-with-solid-state-drives/ For ...
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38 views

How do I associate an NVME drive name with a PCIe address?

NVME uses the PCIe bus. How do I find the PCIe address (for example, 00:00.0) associated with the drive's name (such as /dev/nvme0n1)?
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42 views

VMWare slow on external USB disk

I've recently moved my VMWare virtual machine (disk image) to an external USB SSD drive (Samsung T3). The guest operating system has became very slow to load and very unresponsive especially when ...
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40 views

Partitioning (format) problems with LiteOn PCIe SSD

I recently got a HP Z Book 15 g2. That model has two disks, one of them (in my model) is a LiteOn PCIe SSD (Liteon CX1 JB256 HP). I want to install Linux on that particular disk. First, I tried with ...
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46 views

Unable to edit the /sys/block/sdX/device/queue_depth file

I'm trying to increase my SSD's queue depth value with the following command: echo 64 > /sys/block/sda/device/queue_depth But I receive the following error: bash: echo: write error: Invalid ...
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51 views

Files system become suddently read only; how to debug this?

My ext-4 root and home filesystem became suddently read-only. How can I find out what was the reason for this? The system is ubuntu 16.04 with systemd (installed on an ssd), where root and home ...
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107 views

Monitor temperature/IO of NVMe drive

Is there a way to monitor temperature or reads/writes of and NVMe drive (in this case Intel 750). hdparm, udisksctl, smartctl, and hddtemp all seem to lack this capability, google searches have been ...
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89 views

Installing Linux on spare SSD

I installed linux distribution (a debian-based one,called pardus) on HP EliteBook Folio 1040 G2 Notebook PC (http://store.hp.com/us/en/pdp/Laptops/hp-elitebook-folio-1040-g2-f6r38av-1) and it has a ...
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31 views

i'm looking to install qubes to an external ssd. any recommendations? [closed]

I am looking to install qubes on an external ssd. Is there a recommended model that won't give me any dramas? minimum 64gb. or should i just install it to a usb?
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1answer
66 views

Is possible not to turn off an SSD in suspend/sleep/S3?

I'd like to keep the SSD (or HDD, it doesn't really matter though) powered on, even if I suspend (S3) the computer and prevent it from turning off during the sleep time. Is it somehow possible to ...
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222 views

NVMe PCIe disk power cycling

I want to test a NVMe SSD that is connected to a PCIe slot of my motherboard. The test procedure is a specific algorithm that writes workloads to the SSD, while the SSD is exposed to radiations (e.g. ...
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48 views

device-mapper error while setup of dm-cache

I am trying to setup dmcache using the tutorial https://wiki.mikejung.biz/Dmcache When I run the command `dmsetup create home-cached --table '0 976771120 cache /dev/mapper/ssd-metadata /dev/mapper/...
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84 views

How can fsck be so fast?

Is it normal, that fsck on an SSD takes a second or two? I am on Linux Mint 17.3 and I called sudo touch /forcefsck EDIT: ext4 filesystem
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70 views

Defining the Arch Linux bootloader on a Chromebook?

I'm planning on installing Arch Linux onto an Asus Chromebook Flip C100P. After enabling developer mode and creating a compatible live USB, I'm ready to start partitioning the device. Whenever I've ...
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75 views

Partition alignment when imaging with dd

I'm running Debian 7 (Wheezy) on my notebook and want to update to Jessie. When installing, I took care of the partition alignment on the ssd. My next steps would be to clone the existing SSD to a ...
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1answer
25 views

Clonezilla part-to-part doesn't show sda2 as source

I needed to replace my 500G HDD with 256G SSD drive. I shrunk the original partitions, properly aligned SDD's partitions on 1 MiB (2048 sectors) and in Parted Magic successfully transfered sda1 (...
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122 views

Will LVM partitioning affect my SSD life or performance?

I've installed new system (Linux Mint 17.3, laptop) using LVM partitioning because I currently don't need a swap (there is enough RAM - 12GB) and I want to use my SSD (Samsung 850 evo 250GB) more ...
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60 views

Why would Fedora installation crash when using an Nvidia card with SSD, but not in other configurations?

I want to share you a mindblowing problem and want to listen to your ideas. I have a computer (i5, 4GB RAM, etc) Had a Gigabyte NVidia 210 graphics card in it along with a 500GB HDD. Was about to ...
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29 views

How to erase SAS SSD

For SATA SSD, I know that there exists an open source program named hdparm for secure erase by issuing ATA command and this tool has been embedded within linux operating system. For SAS SSD, I want to ...
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50 views

SSD + HDD performance from power on

I'm planing to buy a new laptop with a 128GB SSD and a 1TB HDD. And I would like to have reliability, performance and storage space from power up and during the whole runing time. During the running ...
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41 views

Adding SSD to my HDD setup with dualboot, what GRUB problems can I expect?

Currently, my setup contains one HDD, with Windows 10 and Linux Mint systems installed on it. What I'm planning to do is to buy an SSD drive. Thing is - I want to clone only my Windows partition, so ...
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481 views

Recommended partitioning scheme for Arch Linux when using two hard drives [closed]

I want to install Arch Linux on my laptop, which has two hard drives: a 25GB SSD and a 700GB HDD. I'd like to have the OS installed on SSD and have my data stored on the HDD. Which partitioning ...
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1answer
61 views

How can the read/write speed of a partition or drive be measured? [duplicate]

How can I preferable from the terminal measure the read and write speeds of /dev/sdx?
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547 views

hdparm: SECURITY_SET_PASS: Input/output error

I'm trying to use hdparm to secure erase an SSD as suggested here. Following the directions in that guide has worked okay so far, but I can't seem to resolve this error: ~ $ sudo hdparm --user-...
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136 views

LVM cache and TRIM

I have set up LVM to cache a logical volume (located on an HDD) on a partition of an SSD (in writeback mode if this matters). As far as I can tell, this works correctly and the cache uses all ...
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180 views

How do I clone only my Linux partition from my 500Gb HDD to a 250Gb SSD?

I have a four year old Thinkpad T420 with a 500 GB HDD with dual-boot Windows/Linux Mint on it. I want to replace the HDD with a 250 GB SSD, cloning only the Linux part (100Gb), and totally ignoring ...
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77 views

fstrim cronjob not working on Linux Mint 17.2

My /etc/cron.daily/fstrim looks like this: #!/bin/sh # call fstrim-all to trim all mounted file systems which support it set -e # This only runs on Intel and Samsung SSDs by default, as some SSDs ...
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99 views

changing grub boot drive

I just installed a new SSD and I want to move all the files from the HDD to my SSD. I cloned the partitions from the hdd to the ssd. I run on a dual boot - windows 10 and ubuntu 15.10. So, now I have ...
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115 views

Can I get SSD rw performance while keeing data security if I combine SSD & HDD in btrfs RAID1

I have 2 storage devices; classical slow HDD (750GB, /dev/sda) and faster SSD (128GB, /dev/sdb). Currently I have installed Ubuntu & Mint on same btrfs partition on SSD (/dev/sdb5). My btrfs pool ...
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22 views

Loading & booting MINT from external SSD?

Linux Mint 17.3 Cinnamon-- I wish to load this on my old VAIO (64Mb/s, 8G RAM). I'm using WIN 8.1; however, I have a blank SSD that I'd like to boot Mint on-- soooooo, what do I do? I tried ...
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118 views

Linux doesn't recognize the SSD it's booting from!

I've extended a computer by a SSD and the BIOS recognizes it (and shows its name), but neither Ubuntu 14.4 nor Knoppix 7.6 show it in fdisk's output. Then I copied Fedora 23 WS Live to that SSD (on ...
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smartcontrol: number of sectors written too small

I tried to use smartctl to get info about the total bytes written to my SSD (started using it yesterday). It currently shows 18 Blocks which seems much to small for me (currently used space is ~9GB). ...
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93 views

Kali won't install on new SSD?

Any ideas of what might be wrong...? I've just swapped the HDD to an SSD in a Thinkpad x240. Laptop turns on fine, Kali runs from USB as live fine but when I try to install it it says no CD detected....
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220 views

Buffer I/O error on device - SSD in SATA3 external case connected over USB3

I am experiencing a weird issue with my HDD. I have an ultrabook to which, I am connecting an external HDD case, based on ASMedia's AS2115 chip. Gentoo is installed on that HDD, this is how I boot... ...
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32 views

bcache: writeback strategy

I'm using bcache with about 1 TByte of SSD caching for about 40 TByte of data. With writeback and 10% configured for bcache, about 100 GByte of dirty data exist only on the caching devices. I like ...
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62 views

Installing Arch Linux and no hard drive detected

I have a Macbook Pro 2011 and the original hard drive died this past week. I had it dual booted with OS X and Arch Linux. Since the drive was old, I decided it was time for an upgrade and I bought a ...
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101 views

Checking Macbook Pro Retina SSD life

I am trying to assess the health of my SSD drive (of a MBPr 15" mid-2014). I tried to do smartctl -a disk0, which gave the following output: SMART Attributes Data Structure revision number: 40 Vendor ...
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61 views

How can I check if a KVM VPS is SSD?

I have come across a few guides but none of them work within a KVM environment. lshw , /sys/block/sda/queue/rotational and smartctl How am I able to find if my KVM VPS is SSD?
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31 views

What is the order in which physical volumes are used in a volume group?

I have a volume group which contains 2 physical volumes 400g on a 7200rpm hdd 250g on an ssd. Can I ensure that the ssd is used first/ the hdd is only used when the ssd is full? Note I will have var ...
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309 views

SSD optimization

I know this has been discussed many times, but there are a lot of different opinions across the internet which optimizations are good for SSDs (and whether to use them). Also the technology has ...
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65 views

Linux huge IOPS difference - same disks

I've been investigating for some time regarding some IOPS issues I've been experiencing.. And my mind is getting crazy! I have two servers (one bought 2 weeks ago, another 1.5 years ago) that I ...
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Poor hard disk read perfomance, but not with O_DIRECT

Since a few days my vps, which supposedly mounts a SSD disk, has been showing a very poor disk read performance. For example, with hdparm -t I get numbers around 20MB/s, while hdparm -t --direct shows ...
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28 views

SSD as write target during reads

I have a real-time application which always writes data to a RAID 10 HDD configuration in a sequential manner at around ~50 MB/s. It uses mmap and writing should never be blocked due to waiting I/O. ...
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28 views

which unix commands for monitoring disk operating are available?

To do some tests on SSD disk, I need to monitor operations such as number of reads and writes, access timestamp, which address accessed, write policy and so on. I know there is these commands: $ ...
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Can't install EncFS

I have a 32GB SSD in my laptop and PCManFM 1.2.0 is showing 14.5GB free at the bottom right corner of the screen in the status bar. However, when I try to install an application such as encfs, I ...
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536 views

Configuring a mdadm RAID-1 on SSD and HDD

I need to configure a RAID-1 on one SSD and one HDD. Both SSD and HDD has some preinstalled software, which I don't need so both can be fully wiped if that is any advantage. My research so far lead ...