A permanent data storage device used for storing and retrieving digital information using rapidly rotating discs (platters) coated with magnetic material in a rigid form factor (as opposed to floppy disks).

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1answer
220 views

How to prevent the Linux kernel from waking a secondary HDD from sleep

Is there a way to instruct the (Linux) kernel not to wake up a secondary hdd after a system sleep/wake-up cycle? I'm asking because in my laptop I have an SSD as a primary drive containing the system ...
6
votes
1answer
440 views

How to use an SSD for caching, so my hard disks can spin down?

I've got a file server with a bunch of disks running together in a BTRFS pool and want to add an SSD for caching. I'm not mainly after speeding up things, but want to catch the regular small accesses ...
4
votes
1answer
91 views

Linux can't see any of my partitions — The backup GPT table is not at the end of the disk

I'm trying to install Linux on my HP Pavilion 14 inch ultrabook, but without any success. At first I tried installing Ubuntu on it; everything went fine, I got into the Live DVD (yes I'm oldschool ...
4
votes
1answer
881 views

Fedora installer doesn't see my Windows 7 partitions

I tried to install Fedora 17 on the same disk I have Windows 7. First I got the message, that there are no free space to create partition, even in Windows part of disk was marked as unallocated. I ...
4
votes
1answer
448 views

Gentoo Live CD from Hard Drive: No Mountable Filesystems on root after modules loaded

I am attempting to install Gentoo on my PowerPC Mac. I have reached the point where I can boot the Live CD (I have no functional CD Drive, so it is from a spare Hard Drive), but after the kernel is ...
3
votes
1answer
150 views

Why my SSDs are in /dev/hdx instead of /dev/sdx on CentOS 5.9?

I have two SSDs Kingston SH103S3240G plugged on SATA ports of my Intel Server Board S3000AH. The SSDs apear like a PATA device (hdx instead of sdx) on my CentOS 5.9. I'm having problems related to ...
2
votes
1answer
37 views

stop an external hard disk from being in group floppy

I have an external hard-disk, connected by usb. Because it is external, the /dev file for it is in group floppy. However I use it as if it is internal. I also sometimes format sd cards and other usb ...
4
votes
0answers
254 views

Why does hdparm see two different values for the size of a drive?

I have a 1 TB drive attached via USB. It contains an LVM physical volume filling the entire device (without any partition table). When I tried to extend a logical volume by using the entire PV, the ...
3
votes
0answers
49 views

Hard Drive reporting all 1's after parted

So I have a 3TB hard drive /dev/sdc that I am trying to create a partition on. Before this point, I had the issues described below, I transfered the drive to a Windows 7 computer and created a GPT on ...
3
votes
0answers
59 views

adding encrypted /home in LVM/LUKS

I installed a new (debian) system to an SSD device. After standard install I want to mount /home on the internal HDD. To be able to ask the question, some details: On install I (manually) generated ...
3
votes
0answers
480 views

Toshiba Drive Sleeping - SDPARM

My toshiba 1tb external keeps going to sleep and I can't seem to locate anything that resembles a standby parameter. Does anyone know a way to get this drive to quit sleeping? Here is the output of ...
2
votes
0answers
122 views

Installing Arch Linux on empty eee pc's hard drive

I have a problem with the installation of Arch Linux on an Asus 1000HD eee pc. The fact is, it had a Windows XP home basic installation, and it was still very very slow with that. So I formatted the ...
2
votes
0answers
88 views

Resize /home on CentOS vmware guest

I have a new vmware guest, let's say I want to extend it from 100 GB to 300 GB My question is how to insert all the 200gb into /home? Where can I start? df -h displays:
2
votes
0answers
348 views

System cannot boot, continiously scanning btrfs filesystem

On the previous boot I installed HAL to make amazon prime video streaming work, which it did (mostly), but after reboot the system could not pull itself up all the way to BASH and drops to a failed ...
2
votes
0answers
976 views

find ount what [flush-8:0] is writing

Using iotop, I found out that [flush-8:0] is doing a lot of hard disk activity, which explains the annoying slowdowns. However, I can't figure out what's the actual cause behind this flushing. No ...
2
votes
0answers
404 views

Local disc copy at 10MB/s! What could be the problem?

I am running a Debian 6.0.6 (before you ask). I have a regular desktop computer, nothing fancy... but when I copy a file using nautilus I am getting 10MB/s copy speed and the system is completely ...
2
votes
0answers
723 views

Bad superblock after server crash

My server (CentOS 6) crashed, and it now kernel panics on boot. It's currently using a mdadm RAID1 array with two 1TB drives. vg_server2422-LogVol01 is / vg_server2422-LogVol00 is Swap ...
2
votes
0answers
771 views

Mount Freecom Classic SL Network Drive (NDAS) in Ubuntu 11.10

Both the Network Drive and the Ubuntu machine are connected by Ethernet to a Linksys WRT54GL router (192.168.1.1). To access the Network Drive in Windows, I installed the NDAS software and mounted ...
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0answers
124 views

Can`t mount external hdd

I am using Debian and I`m using Windows as well (much longer). I loaded a external disk on Windows but when trying to mount on linux again I keep getting the same error: Error mounting: mount exited ...
1
vote
0answers
20 views

Is it safe to use the -y and -Y flags to hdparm?

Is it dangerous to use the -y or -Y flag in hdparm during a write, or when the disk is still mounted, or will hdparm refuse to spin-down, or automatically sync and unmount?
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vote
0answers
33 views

How to prevent automatic external hard-drive unmount

I am running some simulations in Matlab on a Linux machine (running Debian Gnome v3.4.2). All the scripts and heavy .mat files are in an external 1TB Toshiba hard-drive connected through USB 3.0 to ...
1
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0answers
72 views

/dev/disk/by-id creating wrong symlinks for harddrive

I'm running into an interesting problem where on reboots and power cycles, my harddrives will occasionally be given the wrong symlink in /dev/disk/by-id. For example, when I issue ls /dev/disk/by-id I ...
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0answers
36 views

4k mode hard disk partition

I am trying to create a 256 MB primary partition for my 320 Gig hdd using fdisk. Since, the drive support 4k I wanted to try the emulation mode. so, for 256 Mb of 512 K blocks leads me with below ...
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vote
0answers
41 views

How can I unveal files on my external hard drive?

I copied a big folder (around 110 GB) from my (Mac 10.7.5) computer onto a hard drive (exFAT). It took quite some time and afterwards I even checked that the files were actually there. After more ...
1
vote
0answers
133 views

Optimization for an SSD?

I am running Fedora 20 on a Laptop ( Lenovo Ideapad Yoga 2 Pro ) with an SSD. My filesystem is LVM with ext4 as the format option. I am now running Fedora as the only OS on the system with Legacy BIOS ...
1
vote
0answers
63 views

Sound stutters during moderate disk access?

I'm running Xubuntu 13.10 "Saucy Salamander." It's a pretty recent install. I'm playing music over a bluetooth usb dongle on a home theater system. All of my sound goes through pulseaudio. I've ...
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vote
0answers
240 views

Make a USB drive bootable for Windows 7 setup

What is the equivalent of bootsect command available in Windows, on a *nix system? Usage: In order to make a USB drive bootable for Windows 7 setup I have to boot-up VMWare and run bootsect.exe ...
1
vote
0answers
1k views

badblocks and “end_request: I/O error” in output

I have 500GB disk in my toshiba laptop, I tried to do backup of files in this HDD but it failed few times (ubuntu just closed copying operation or unmounted disk during copying files). So I boot my ...
1
vote
0answers
423 views

New harddrive does not show up in /dev

I am trying to add a second (unformatted) IDE hard drive to a QNX 6.4.1 VM (hosted through vmware's vSphere). Unfortunately, there is no entry for the drive in /dev (I think this is called an ...
1
vote
0answers
424 views

Mint 14 does not detect my first hard disk

I have two hardisks installed in my machine : Samsung SSD PM830 SATA : 128 Gb ST9500423AS ATA : 500 Gb When I start Mint installer, it only showed me the 500Gb harddisk.So I partitioned it into ...
1
vote
0answers
130 views

What changed in Linux kernel (2.6.22) that gives hdparm support for power-on in standby?

Hdparm man page lists for parameter -s: Enable/disable the power-on in standby feature, if supported by the drive. VERY DANGEROUS. Do not use unless you are abso- ...
1
vote
0answers
318 views

Negative hdd usage. Available is larger than fullsize

Having issues with space accounting of lvm volume. 23G is available. But the full size of the partition is 20G. (So, it shows "-4.1G used" 0_O) > df -h Filesystem Size Used Avail Use% ...
1
vote
0answers
1k views

Hard drives goes missing until reboot - what can be the cause?

I am struggling here. My end goal is assembling a RAID-6 array on my PC, but time and again, the assemble doesn't complete (and cat /proc/mdstat shows that one drive dropped away). This now happened ...
0
votes
0answers
35 views

Accessing NTFS HDD through samba

I'm having trouble writing to the HDD attached to my pi from my laptop. The samba share is set up fine it seems, since I can write to the SD card without a problem. But whenever I try to write to the ...
0
votes
0answers
20 views

Are SMART diagnosis tools giving correct output?

My problem is the following: In November, the hard-disk analyser tool of Ubuntu 14.04 (Disks) showed some bad sectors. As this disk was very old, I replaced it by a Western Digital WD1600BEKT. Now, I ...
0
votes
0answers
56 views

Kernel ATA Exception after resume from suspend to RAM

After resuming from suspend to RAM, my Arch Linux system freezes and becomes permanently unresponsive. However, I managed to pull the following kernel log: kernel: sas: Enter sas_scsi_recover_host ...
0
votes
0answers
23 views

Testdisk 6.14 unable to fix 20GB WD ROM scroprio device

Using partedmagic iso , with pre-configured utility testdisk 6.14 I tried to repair WD 20GB hard-disk. It failed in sense it got me "read errors". I don't know how to fix it? Please help me. I'm ...
0
votes
0answers
16 views

Separating SAS from SATA drives

I have to list all SAS drives and separately list all SATA drives, I'm working on CentOS6 and tried lots of commands which will give some specific information about bus of disks. Let me show you ...
0
votes
0answers
51 views

Repair or recover seemingly damaged partition on USB external disk

A friend brought this WD My Passport external harddrive to me to see if I could recover her files. The device is "not working" after a power outage. As per her testimony, when the device is connected ...
0
votes
0answers
28 views

Recover files from “crashed” partition

I'm using a Dell laptop that has 1TB hard drive, in which i created 4 partitions, one for MAC, one for LINUX, one for WINDOWS and a HD NTFS partition that can be accessed from the three. But, for some ...
0
votes
0answers
15 views

freebsd10 disc cloning

I have a FreeBSD 10.1 computer whose disc is failing. I've tried to use Clonezilla, and dd with no results.My syntax with dd was dd if=/dev/hda of=/dev/hdb bs=1M (I used dd on systemrescue). The ...
0
votes
0answers
95 views

Why isn't this “external” harddrive showing up?

I have an "External harddrive to USB adapter" that's giving me trouble. It shows up if I run lsusb (unrelated devices ignored): Bus 002 Device 013: ID 152d:2338 JMicron Technology Corp. / JMicron USA ...
0
votes
0answers
36 views

Getting partition boundary error when using GPARTED

I am trying to allocate my hard disk with below set of partitions using GPARTED. /dev/sdb1 - 256 MB /dev/sdb2 - 2048 MB With free space preceding as (4 Mb) between partitions. After applying the ...
0
votes
0answers
111 views

Ext3 file system became read-only and server reboots spontaneoulsy

We noticed ext3 file system in our CentOS 4.9 server became read-only. We got the following error in dmesg: EXT3-fs: INFO: recovery required on readonly filesystem. EXT3-fs: write access will ...
0
votes
0answers
112 views

Dualboot elementaryOS & Windows 8.1 on SSD with personal files on HDD?

When I create my gaming PC I plan to dualboot Windows 8.1 with elementaryOS and my programs on an SSD. However is it possible to place my data on a HDD for both to access?
0
votes
0answers
33 views

Should I use the discard flag when configuring the filesystem to be installed over the partitions on my SSHD?

I've recently bought a laptop with an SSHD. My guess is that most SSHDs are self-optimised, so the disk itself will handle wear-levelling issues, and I won't need to add the "discard" flag when ...
0
votes
0answers
37 views

Discovering possible RAID configuration of a bunch of disks

I have a stack of 8 disks which were at one point all inside of one host. That host no longer exists, but it's been requested that I retrieve data from these disks. No one can tell me anything about ...
0
votes
0answers
42 views

Internal secondary hard disk suddenly failing to mount

In RHEL5, my internal secondary hard disk (1TB) suddenly fails to mount after some unexpected power failure and after my system got off. But it's showing in BIOS and while Booting checking as sdb ...
0
votes
0answers
192 views

USB HDD Enclosure works with Ubuntu, but not Raspbian

SOLVED: Even though the enclosure came with its own power supply, it required a powered USB hub, probably for some internal components that don't draw power from the main supply. I have this dual HDD ...
0
votes
0answers
34 views

Execute script when hard-disk's standby state changes (i.e. it spins up/down)

How can I execute a shell script when the standby state of a hard-disk (as reported by hdparm -C /dev/sdx) changes? If possible, I would like to avoid polling hdparm for changes.