a solid-state disk (SSD)

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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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15 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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31 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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18 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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3answers
208 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
38 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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53 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 ...
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47 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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54 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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30 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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3answers
50 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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56 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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1answer
15 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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46 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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29 views

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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14 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 ...
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1answer
87 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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19 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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23 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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1answer
39 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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21 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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25 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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116 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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42 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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16 views

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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24 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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2answers
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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72 views

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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128 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 ...
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2answers
136 views

Can't install Linux (dual boot): 0 Bytes available when selecting SSD with 170GB of free space

I am having difficulties installing Red Hat. Allow me to explain: I have set up several systems now in a dual boot configuration with Windows and some distro of Linux. I thought I was pretty good at ...
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93 views

Linux on small SSD and HDD

Recently I did an installation of Antergos on a netbook with 8GB SSD and 8GB SD card. To fit everything on such small space I've mounted / to SSD and /home to the SD card and it is working perfectly. ...
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116 views

Can I install the /home and swap partitions to a different drive than /?

I am in the process of dual-booting my Windows 10 PC to also run Linux Mint. I have both a 240 GB SSD and a 1TB HDD. The SSD is for the Windows 10 OS, and the HDD is for my files/documents/everything ...
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127 views

Moving /tmp folder to different location. Problems with /tmp not being emptied

I have two harddrives on my computer running Linux Mint. The first is an SSD and has my / partition and the second is an HDD and has my /home partition. I have heard that too many writes to the SSD ...
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211 views

POR Recovery Count increases at every reboot

I have a Samsung SSD in my notebook. In the last week I tested some linux distros, because I want to replace windows 7, but... I find a weird thing: every reboot from linux increases the POR Recovery ...
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1answer
727 views

Samsung 850 Evo SSD Hardware Encryption

I'm considering purchasing a 850 Evo but I'm unsure as to the security of the encryption, especially on Linux. My research has shown that bitlocker can be used on windows instead of the insecure ATA ...
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mysqld stops right after starting because of corrupted tables (disk full + hardware reboot) - how to fix it?

I'm dumb, I did the stupidest thing I could. On one of my servers, the SSD was full and I wasn't aware of it. The high-traffic website became working really slow, then started displaying errors, ...
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3answers
276 views

8G RAM and SSD - how big should the swap be?

I have a computer with 8G RAM and a 128G SSD. I don't plan hibernating. What swap size would you recommend? Would you change any swappiness? In the nearest future I'll compile programs (or even ...
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3answers
251 views

Linux, SSD and swap

This article suggests not to create a swap space on an SSD drive in order to reduce its wear. On the other hand, it suggested here that swap space positively affects performance. Would it be a better ...
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1answer
1k views

SSD: how often should I do fstrim?

There are different sources and different practices are suggested. I found the following proposals how often one should run fstrim. run weekly by cron run daily by cron run at each boot What is ...
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67 views

Linux Swap Space

I have 32GB memory. SSD and NonSSD drives. I installed Linux to NonSSD drive but I prefer SSD for /var directory and I didn't create swap space because there is high memory. I know physical memory ...
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331 views

ssd caching in loop device on btrfs

I have an ssd and 2TB hard disk. The ssd is used for the root filesystem which uses only around 20G of the 120G available. Is there a way to use an image/loop on the root filesystem (btrfs) as a cache ...
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161 views

How to install CentOS 6.6 linux on an OCZ RevoDrive3 X2 PCI SSD

This took me a week, so here's the problem, and solution. From CentOS 6.5 onwards, the driver mvsas.ko recognizes the OCZ SSD... wrongly. It shows up as 4 small slow SSDs, instead of one big fast ...
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193 views

SSD installed, but shows as HDD in command output

Strange issue here. I have a 480GB SSD drive installed in this server. I installed it myself. I see it, it's there. But, I'm getting an incorrect output on a typically used command to determine if ...
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1answer
89 views

how to fetch SMART attributes in SSD?

I have a SAS SSD and I want to know few things like "Perc_Lifetime_Remain", etc. In the exisiting SATA SSD drive, we are fetching these info by using smartctl tool ("smartctl -A diskname"). But the ...
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87 views

SWAP write protection on SSD

When using SWAP on an SSD, does the filesystem offer any write-cycle protection? i.e. randomizing or otherwise managing writes to avoid "flash wear-out" since modern SSDs are generally rated in the ...
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2answers
448 views

Can't mount second hard drive on CentOS 6.6 - Duplicate VG name

Yesterday I add a SSD to my PC configuration and I make on it a fresh installation. At the moment of installation I replace my old HDD and there was only the SSD. When the installation finish I make a ...
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205 views

Repeated Ext4-fs error with comm psad: invalid block. Does it mean the SSD is dying?

Configuration : Debian Jessie with SSD. /dev/sda1 is root filesystem, /dev/sda6 is home filesystem. Errors occurs only on /dev/sda1. For the third time, I've got software errors because the root ...
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1answer
71 views

Problems with secondary hdd in grub

I had some problems installing Linux mint and or any other Linux distribution in combination with Windows. When I booted my machine it would hang before the grub bootloader showed up. Now i have some ...
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124 views

New SSD only mounts after issuing blkid command. [Ubuntu 14.04]

I have a new Intel SSD Pro 2500 installed on a SATA3 port as a secondary drive. It is formatted as a primary ext4 partition. My fstab line is : UUID=1e33881a-d6cf-4933-be70-0aa837641af6 /mnt/ssd ...
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151 views

Will SSD swap improve performance?

I am wondering if i have only 4GB ram and somehow(virtualbox,browser) isn't enough and i cannot proceed to upgrade(due to ultrabook and soldered memory) will swap held in SSD help the overall ...