Tagged Questions
0
votes
1answer
28 views
Installing a secondary drive in CentOS 6
I am new to Linux and CentOS so I may not be sure of the exact question to ask. It may be best for me to tell you what I have done. I installed a secondary 500gb HD to use for file share storage. I ...
0
votes
1answer
108 views
External drive not being recognized
I am currently running elementary OS (a Linux OS based on Ubuntu so everything in Ubuntu works in it) - dual booting it with Windows 8.
I have a 3TB external hard drive (USB 3.0) that does not seem ...
2
votes
2answers
112 views
Where to find the VBR on the /dev/sda1 partition?
I have one built-in hard disk /dev/sda which looks like this:
Disk /dev/sda: 160.0 GB, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders, total 312581808 sectors
Units = sectors of 1 * ...
1
vote
3answers
67 views
Light linux for disk operations
I have old computer with Windows XP system and it started crashing randomly. I need light OS, which can be booted as Live CD/DVD in which I could copy all data from hdd to external hdd.
I have tried ...
1
vote
0answers
297 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 ...
13
votes
3answers
626 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 ...
11
votes
2answers
290 views
How can I be sure that a directory or file is actually deleted?
I know that most files, when deleted, aren't actually removed from the disk, and can be recovered later.
How can I ensure that a directory I had deleted will actually be removed from the disk? Are ...
1
vote
1answer
53 views
hosting my web portal on CentOS linux
I need to buy a VPS / dedicated server that provides a CentOS Linux with 4 x 500 GB harddrives in mirrored Raid. So that'd be 1TB of hard-drive space.
The way I keep my pictures on my website is in a ...
0
votes
2answers
203 views
Issue with bad sectors on a laptop hard drive
I had Windows installed on my laptop and suddenly one morning Windows couldn't start. Then I tried after formatting and for once it became possible.
I also installed Ubuntu as logical drive (deleted ...
2
votes
2answers
621 views
How should I prevent data corruption on an NTFS partition shared by Windows and Linux?
I use Linux for most of the things but I still need Windows sometimes. So, I have Linux Mint 14 and Windows 8 installed (dual-booting) on my computer with the following disk setup:
sda1: The 350 MB ...
2
votes
0answers
160 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 ...
1
vote
1answer
119 views
What are the possible ways a Debian Linux system may write data to HDD and how to avoid them?
The background:
Here I have a spare x86 board which has a low energe costing AMD CPU built on it. I am planning to DIY a home use file server with it running a Debian base system and some common ...
0
votes
2answers
190 views
Any temporary fix for / being remounted as read-only?
My disk has a few bad sectors and has already failed the SMART tests. It obviously is going down.
It gets remounted to read only and I have to fsck and reboot all over again. Is it safe for me to ...
2
votes
1answer
510 views
How to fix hard-disk error connected by usb?
My system is Linux 64bit, my hard-disk is a 1TB WD HD, connected to my computer by USB3.0. I found some files cannot be copied, they are video files, and it seems I can play the video. I ran e2fsck ...
0
votes
0answers
20 views
Ubuntu 12.04.01 Hard Drive Drop In [duplicate]
Possible Duplicate:
Moving linux install to a new computer
I have two similar machines running Ubuntu Server 12.04.01. They are not the same machine, but similar. Can I take the hard drive ...
2
votes
1answer
740 views
I/O error but no bad block is reported in syslog
I got errors like this in my syslog, but there's no bad block or sector defined in kernel report, I can't just replace the HDD right now and I prefer to reallocate the bad blocks for now, so I need ...
2
votes
2answers
516 views
Install Linux on two hard drives
I am new to Linux. I have a machine with two hard drives, the first one has 80GB and the second has 120GB. I am about to format this machine and install Linux.
I want to install all the main ...
6
votes
1answer
382 views
HDD allocation fstab
In my PC running Ubuntu 12.04 LTS I have installed three SATA hard drives. Two of them are installed near a cooler. I want to physically switch two drives (one that is not near the fan should be moved ...
0
votes
0answers
31 views
Recreating EXT4 partition without losing data [duplicate]
Possible Duplicate:
Can't mount EXT4 hard drive after mounting it in windows
I have a 2TB Western External USB harddisk.
I formatted it to EXT4.
one time I plugged it to a windows ...
2
votes
1answer
208 views
Trapping “READ FPDMA QUEUED”
Recently I encountered a kernel message:
ata3.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0
ata3.00: irq_stat 0x40000008
ata3.00: failed command: READ FPDMA QUEUED
ata3.00: cmd ...
3
votes
1answer
229 views
Gentoo LiveCD 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 LiveCD (I have no functional CD Drive, so it is from a spare Hard Drive), but after the kernel is ...
11
votes
5answers
1k views
How to find which process is regularly writing to disk?
How can I find which process is constantly writing to disk?
I like my workstation to be close to silent and I just build a new system (P8B75-M + Core i5 3450s -- the 's' because it has a lower max ...
6
votes
1answer
414 views
How to re-size virtual disk with installed Linux system?
I've got hard system configuration there and I don't want to re-install it again but I need more space now.
Current system space is 30GB.
Seems like it's not possible to re-size disk so what I need ...
18
votes
6answers
1k views
How do I correlate /dev/sd devices to the hardware they represent?
A drive is beginning to fail and I only know the device by its /dev/sdb device file designation. What are the ways that I can use to correlate that device file to an actual hardware device to know ...
3
votes
4answers
1k views
From df device name to physical drive name (vendor / type)
Seeing the device name by df, is it somehow possible to resolve it to the physical drive name such as vendor / type.
/dev/sda3 915.4G 34.9G 880.0G 4% /share/HDA_DATA
/dev/sdd3 ...
1
vote
1answer
257 views
disk spins-down too fast
I use Ubuntu 12beta on Lenovo Z575. I noticed that the disk spins down very quickly, few seconds after the last operation. And when I am working, e.g. in the vim and write quite often, it spins-up and ...
5
votes
2answers
587 views
How to create a snapshot of a physical disk?
I have Windows 7 installed on one of my disks. I want to boot this Windows system in my Xen HVM, but I do not want the changes to be permanent. So I want to create a snapshot of my Windows 7 ...
2
votes
2answers
162 views
Why is my /home separate from /?
I was confused why I was getting out of space errors so I ran df and saw this:
[me@fedlap /]$ df -h
Filesystem Size Used Avail Use% Mounted on
rootfs 43G ...
2
votes
2answers
417 views
vmstat IO stats: why the high bo during a download?
On my RHEL 4 machine, I was downloading a huge file (2.5GB)..I was checking the output of vmstat and was especially curious about seeing the disk IO using bi and bo. I know iostat is a better tool ...
3
votes
3answers
449 views
Copying an HDD to a larger one by dd
I'm trying to copy an entire HDD which has IBM PC-style partition table to a larger one by dd on GNU/Linux. The questions are:
Can I use the additional space on the larger disk by changing the ...
3
votes
4answers
1k views
GNU/Linux (Debian): detecting hard-disks mappings?
Let's suppose you have two hard-disks:
one internal (boots GNU/Linux);
one external (USB).
"fdisk -l" detects both, but will not tell you which is /dev/sda and which is /dev/sdb. "lsusb" will tell ...
3
votes
2answers
6k views
How extend linux partition with?(after success to extend : fail to boot computer)
I have Ubuntu and I want to enlarge the disk space of /dev/sda1 from 10GB to 90GB.
gparted Ubuntu 9.04 live cd show:
Partition File System Size
/dev/sda1 ext4 10GB
/dev/sda2 ...
5
votes
3answers
845 views
Finding out what is spinning up harddrive
I am the owner of a NAS, running some Linux distribution. It comes with a web administration frontend, where I can manage several services, user rights and also when it should go to sleep. My problem ...
0
votes
1answer
298 views
How to fix “number of errors while writing to disk(or) multi-zone error rate”?
I ran hard disk checker, and i found this error:
Write Error Rate:
number of errors while writing to disk(or) multi-zone error rate
(or) flying-height
---
Normalized: 200
Worst: 200
Value: ...
1
vote
1answer
292 views
Disk Scheduler in Linux
I am studying about Disk Scheduling in my OS class. Thought about the disk scheduler in Linux. When I run
cat /sys/block/sda/queue/scheduler
noop anticipatory deadline [cfq]
Someone explain about ...
2
votes
1answer
418 views
Equivalent to “copies=2” feature of ZFS in Linux with LVM
I have a laptop with only one HDD and is impossible add other HDD. The feature "copies=2" of ZFS is the perfect solution for to add redundancy to my /home in the laptop.
I would like emulate the ...
3
votes
2answers
341 views
Recommended fstab settings
I made a new partition for my home drive by following this guide
I have no idea what the fstab setting it suggests mean:
UUID=???????? /home ext3 nodev,nosuid 0 2
I ...
-1
votes
3answers
100 views
Does PGPDesktop supports OpenBSD or e.g. Fedora?
Does PGPDesktop support OpenBSD or e.g. Fedora, or can I only encrypt my whole hard drive when I use Windows?
3
votes
1answer
641 views
System Backup in Fedora 14
Does anyone know how I can backup an entire system, such that if the disk drive failed, I could quickly restore the backup onto another disk?
I'm running Fedora 14.
Thanks!
9
votes
7answers
1k views
What's the best way to format a HDD in Linux in order to leave no trace?
I'm running Debian and need a way to format the entire hdd in order to not leave any trace on it because I want to donate it to a friend. So what will be the best way in order to format it? If I ...
1
vote
2answers
2k views
How to troubleshoot udev not creating /dev/hda3 on gentoo boot?
My old gentoo laptop seem to have an issue with udev probably due to me updating software using emerge, upgrading udev+kernel, getting some messages "do these things after upgrading udev/kernel" and ...
1
vote
0answers
136 views
cdrdao is installed, but Brasero doesn't think so [closed]
When I try to copy CD to image, Brasero tells me that cdrdao isn't installed. However I reinstalled cdrdao and Brasero, but the error is still there.
[system] Ubuntu Lucid (10.04)
1
vote
2answers
239 views
Why is badblocks segfaulting?
I am trying to check a mounted partition to see if the drive has errors:
[root@virtuality ~]# /sbin/badblocks -v /dev/sdb1
Segmentation fault
Uh oh. What does this mean? Why is badblocks ...
8
votes
4answers
7k views
How to see disk details like manufacturer in Linux
With sfdisk -s I can see the disk capacity as follows:
$ sfdisk -s
/dev/cciss/c0d0: 143338560
total: 143338560 blocks
How do I see disk details like disk manufacturer? I tried hdparm, but got an ...
3
votes
2answers
925 views
How to create a new partition on a hard disk?
How do I create a new partition on a hard disk, from the terminal? I've been reading the man pages for fdisk and mkfs, but they're confusing. I need to know how to create a new partition on a blank ...
23
votes
7answers
44k views
How do I find out what hard disks are in the system?
I need to know what hard disks are available, including ones that aren't mounted and possibly aren't formatted. I can't find them in dmesg or /var/log/messages (too much to scroll through). I'm hoping ...
6
votes
5answers
2k views
Sync writes very slow. Ubuntu 10.10, 32 bits, ext4
I am running ActiveMQ on my Macbook Pro that runs Ubuntu 10.10, 32 bits with an ext4 partition.
Linux iker-laptop 2.6.35-23-generic-pae #40-Ubuntu SMP Wed Nov 17 22:32:51 UTC 2010 i686 GNU/Linux
If ...
4
votes
2answers
1k views
Names for ATA and SATA disks in Linux
Assume that we have two disks, one master SATA and one master ATA. How will they show up in /dev?
