0
votes
1answer
35 views

How can I efficiently transfer a large file using a smaller external disk?

I need to transfer a large (multi-terabyte) file from one Linux computer to another. I have a 1TB external SSD drive that seems like it's the fastest way in terms of bandwidth. My best guess right now ...
0
votes
0answers
23 views

What happens if I execute fstrim for a HDD instead of SSD?

Sorry for my not so good English. I'm preparing a Xubuntu 12.04 Clonezilla image for rapid deployment to new PCs in my company. PCs we are buying may have either HDD or SSD drives. My boss requested ...
0
votes
0answers
51 views

Linux BFQ Scheduler with SSD

In the past I had always been advised by resources that I can get a performance boost when using SSDs by switching from the default Linux scheduler CFQ to one such as deadline or noop. Today after a ...
0
votes
0answers
32 views

install debian based os on macbook pro

First I need to explain my situation. My MacBook Pro is a mid 2012 model. I use Windows 8.1 to replace MAC OS X. A couple of weeks ago, I upgraded my MacBook Pro. I replaced my optical drive with a ...
0
votes
1answer
97 views

I can't install/get working any Linux distro in my PC

I'm struggling with the installation of Ubuntu in dual mode alongside Windows in my new computer (it's taking me days of my free time!!). First of all my device specs: 1 HDD 1TB 1 SSD 120GB I ...
1
vote
2answers
99 views

Very high IOWait after connecting SSD drive

I have a serious problem with my working station. Some time ago I bought a SSD disk. To this moment everything was ok, I had two HDD disks, copying files at speed around a 50-60 megabytes per second, ...
0
votes
2answers
38 views

RAID Configuration 'seen' through

I have a RAID0 (striped) configuration with the following: 64GB SSD 128GB SSD 640GB HDD I'm turning my PC into a hackintosh, and the installer loaded properly, BUT The installer saw the ...
0
votes
0answers
35 views

Does EnhanceIO supports TRIM on SSD?

Does EnhanceIO supports TRIM on SSD? Or it has own implementation of similar technology?
0
votes
2answers
54 views

Using Intel Smart Response Technology (IRST) with Linux only?

I have an existing Fedora 20 installation and would like to use my newly bought 64GB SSD for acceleration purposes. Since I have a mainboard that supports Intel SRT, and RST with that, I was ...
0
votes
1answer
145 views

Properly aligning partitions for Linux on a 1536KiB Erase Block SSD

Attempting to set up dual boot Windows 7 and Arch Linux. Samsung 840 EVO 120GB SSD. Erase Block Size: 1536KiB. Sectors: 3072 (512 * 3072 = 1572864 = 1024 * 1536) This appears to be straightforward ...
0
votes
0answers
34 views

Win7 Linux Dualboot tocblock error

Im trying to dual boot win7 and Mageia, but keep running into the following errors: -ldm_parse_tocblock(): Cannot find TOCBLOCK, database may be corrupt. -I've tried different media: bootable USB's ...
0
votes
1answer
142 views

Windows (7 or 8) does not detect SSD during installation, Linux does

Since a few days I'm trying to install Windows (tried 7 and 8) on a new SSD (Crucial M550). However, the disk is not listed in the target device selection, nor is it listet when using diskpart -> list ...
0
votes
0answers
60 views

How do I check if option commit=600 in fstab works and force it if it doesn't?

I have LVM over LUKS over SSD (TRIM function seems working properly). My OS is Ubuntu 13.10, with 16GB RAM. I configured fstab with commit option ... /dev/mapper/vg2-root / ext4 ...
0
votes
0answers
16 views

Clonezilla image folder lacks disk and parts files

I'm trying to restore an image from an SSD to a new SSD (same make and type). In the image folder I can see there are no disk and parts files. And that's why ocs-sr complains about these. The files on ...
0
votes
1answer
70 views

Securely erase Intel SSD using Live Boot CD

So I am selling on a computer and wish to securely erase the HDD. I've booted into a Live CD (Ubuntu) and run the following commands: sudo hdparm --security-set-pass NULL /dev/sda and sudo hdparm ...
0
votes
0answers
39 views

Cloning Linux and Windows from two separate disks to a single SSD

Backstory TL;DR: cloned OpenSUSE from /dev/sda2 to /dev/sdc1, Windows 7 from /dev/sdb1 to /dev/sdc2; formatted /dev/sda2 and /dev/sdb1; reconfigured GRUB2 and installed it on /dev/sdc; OpenSUSE loads, ...
4
votes
1answer
128 views

High I/O system hanging

I have a Fedora 20 box that i'm trying to import a massive amount of data in to postgres on (billions of rows). System spec: 16GB RAM, 6 core 3.2 ghz, 500GB RAID0 PCIe SSD Everytime I/O load gets ...
1
vote
0answers
156 views

LSI SAS 2308 MPT2SAS Linux Read/Write performance

LSI SAS 2308-8e (6Gb/s per Lane) PCIe 3.0 card. Average Read/Write Raw performance for 4 SSDs is very low around 430 MB/s (Expected 2 GB/s).I am having Intel Core i3 with quad cores and 4 GB RAM. ...
0
votes
0answers
72 views

Hybrid Raid-1 HDD + SSD — Write Intent Bitmap

I am currently running a laptop with 1 HDD and 1SSD. I currently am using mdadm to put some partitions in a raid 1 configuration with --perfer-write set on the HDD. I have this working correctly ...
0
votes
1answer
38 views

How do I test if my SSD uses compression?

I am thinking of running the filesystem with btrfs on my SSD. This might make the disk last longer or run faster, because if we compress the filesystem there is less to write. (I understand this is ...
0
votes
1answer
90 views

Move system with encrypted homedir to another drive

I'm on debian (squeeze) and I have my user homedir (/home/storm, 20GB) encrypted with cryptsetup. My goal is to safely migrate from 80gb hdd to a new 60gb ssd. As you can see the target disk is of ...
0
votes
1answer
110 views

Linux benchmark SSD vs HDD

I wonder if there is any performance difference when using SSD as the main Hard drive rather than mounting it to be used by different applications on the server. For example using a command line ...
1
vote
2answers
92 views

Where did my hard drive space go?

After installing a 120GB SSD on my computer, I ran df -h and got this result: Filesystem Size Used Avail Use% Mounted on /dev/mapper/fedora-root 50G 3.8G 43G 9% / devtmpfs ...
1
vote
1answer
81 views

Linux tool to create a full backup of a SSD

I want to do backups from SSD's and HDD's, which are connected via a USB converter to my workstation. The backups should be bootable (after restoring of course^^), the tool shouldn't need ...
3
votes
2answers
3k views

Why Centos still not using Latest kernel

As i have seen many changes and improvement in kernel 3.xx The improvement i like is dmcache which introduced in kernel 3.9 I have 3 server with centos installed on all machine Centos is still ...
0
votes
1answer
35 views

Setting up dual-boot on 1 drive and storage partitions for 2 drives

I have a 120GB SSD and a 2TB HDD. I want to install Windows 7 Ultimate and Linux (Ubuntu) on the SSD, split it by 60gb each or however close to evenly as possible. Then the storage HDD I want to ...
1
vote
1answer
61 views

8GB MicroSD as root Linux HDD with data on seperate 1TB drive

I currently have a home file server (CentOS 6.3 w/ Samba) that does some simple WWW (Nginx/PHP) right now. The data (shared files as well as WWW data) currently reside on a 1TB HDD and the kernel ...
1
vote
1answer
49 views

Linux: SSD TRIM for other partitions

I have SSD with Linux installed, with two ext4 partitions. The first one is the mount point /. It's trimmed periodically via fstrim /. The other partition is rarely mounted, and used as media ...
0
votes
0answers
108 views

Ubuntu: SSD TRIM is taking too long

I posted this question before, but with no answer: (http://askubuntu.com/questions/400233/fstrim-is-taking-too-long). I'm using ubuntu 13.10, I call fstrim -v / on boot rc.local. Recently I realized ...
0
votes
2answers
348 views

Is there a linux command to find out how many SSDs my laptop can support?

Background: I'd like to benchmark some SSDs. I am thinking about doing this on my laptop. I would like to check if my laptop supports using multiple SSDs at the same time. I don't want to have to ...
0
votes
0answers
44 views

Disable access to another Hard Drive Disks on Linux

I want to install some Linux disto into SSD disk, but I have another SSD with Windows, which I want to disable/unmount during running on Linux... Is there are some configs where I can set 1st SSD ...
0
votes
0answers
184 views

Is ok to limit writes on SSD/EXT4 by setting commit parameter in fstab?

I've installed an SSD on my / (Linux scv 3.8.0-34-generic #49~precise1-Ubuntu SMP Wed Nov 13 18:05:00 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux). If I leave the default settings in /etc/fstab I can see ...
0
votes
1answer
104 views

How can I install Ubuntu on new hard drive maintaining old home directory?

As per subject I'll install a fresh copy of Ubuntu 12.04 onto a new SSD. My current home directory is already on another partition, on a different physical disk. Can I tell Ubuntu to point to that ...
0
votes
1answer
32 views

Formatting harddrive for data storage

I have an SSD and a HDD drive stored on my computer. The SSD is for running programs and the OS and the HDD is for storing media, data, and other things that don't require fast read and write speeds. ...
3
votes
1answer
556 views

How to unmark an NTFS cluster as bad?

How do I unmark clusters as bad in NTFS? Background I mistakenly ran >chkdsk /R on my SSD, where /R: Locates bad sectors and recovers readable information (implies /F) /F: Fixes errors ...
0
votes
0answers
25 views

How do I boot my existing set up from SSD

Ive recently taken the plunge in to Linux (Ubuntu) at home - replacing my iMac. With iptables, sshd and a site set up - I'm having lots of fun! Next step - I want to get the os running from ssd. Why? ...
1
vote
2answers
69 views

How to make the system detect hard drives as a designated block? (e.g. /dev/sde)

If I attach a hard drive to the system, and I want the system to recognize this device as a /dev/sde device rather than the default /dev/sdb. How should I do that? Thanks.
0
votes
2answers
105 views

Accidentally erased SSD with “dd”, any chance of recovery?

I was trying to clone a SSD last night and made a very simple, stupid mistake. Instead of doing dd if=/dev/sdb of=/dev/sda, I did the reverse, dd if=/dev/sda of=/dev/sdb Essentially I read from a ...
1
vote
0answers
31 views

How to use LVM to separate large data?

I have an ultrabook with two discs, an HDD with 500GB and an SSD with 32GB. My SSD is partitioned for /boot, / and /efi, and my HDD is for SWAP and /media/userdata (mainly, media). I was thinking of ...
1
vote
1answer
88 views

How to maximize use of partitioned volumes on my dedicated server? [closed]

About a month or so ago, I rented a dedicated machine from server hosting company OVH. I am currently using the SP2 plan, which you can read details on here. My server has two mirrored 120GB SSDs, and ...
0
votes
2answers
376 views

How to boot from SSD but have installations and home folder on HDD

I have an SSD I want to boot from it, but use the HDD to store installed programs and keep the home folder. I'm running Linux Fedora 19. How do I set that up?
2
votes
2answers
845 views

How can I fix an inconsistent NTFS file system without Windows?

I have a Dell laptop that came with Windows from the factory. Since then, I have installed Linux and replaced the hard drive with an SSD. The NTFS partition is inconsistent (a result of bad sectors on ...
0
votes
1answer
103 views

Connect a ssd externally such that hdparm is fully supported

I am just trying some hdparm magic with my new ssd (samsung 840 pro). However I don't want to change my drive over and over so it would be great if I could connect it externally to my laptop. I have ...
0
votes
0answers
80 views

Can I enable discards on a LUKS-encrypted ssd drive in RHEL6 (and do I need to)?

I have a RHEL 6.4 workstation, running on a LUKS-encrypted LV residing on a SSD. I found RedHat documentation stating that dm_crypt does not currently support TRIM passthrough, however I also found ...
0
votes
0answers
270 views

How to change the master password of a self encrypting ssd?

I tried to set the master password on my self encrypting Samsung SSD 840 Pro in a Dell Latitude 6400 ATG laptop (Bios Version: A34), german keyboard via sudo hdparm --user-master m ...
0
votes
1answer
115 views

virtual machines, dual booting and data disks on SSD

This is in planning, so if I've got the strategy wrong, please let me know. There are multiple questions here, but I think they all degenerate to the same answers. The hardware is a laptop with a ...
4
votes
5answers
409 views

SSD cache to minimize HDD spin-up time?

short version first: I'm looking for Linux compatible software which is able to transparently cache HDD writes using an SSD. However, I only want to spin up the HDD once or twice a day (to write the ...
1
vote
0answers
115 views

Is my Crucial M4 SSD aligned correctly?

today I installed Arch Linux on my Crucial M4 SSD (128 GB). Since I already had installed Windows 8, i had to change the partition table a bit (manually with fdisk). Finally, my OS is now set up, but ...
1
vote
1answer
635 views

Linux SSD Performance with Luks / LVM

I've recently obtained a Samsung EVO 840 1TB SSD as a hard disk replacement for my laptop (Lenovo X220t, core-i5-2520m, 8GB RAM). So far, I'm not impressed with the resulting performance and request ...
0
votes
0answers
47 views

Two SSDs,which are exactly same, but sequential write performance varied widely?

I bought two SSDs,which are exactly same, but sequential write performance varied widely? sdb is the first SSD, sdc is the second SSD, and partitions are same(both sd*1 and sd*2) and the sdb1's ...