The disk tag has no wiki summary.
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track disk usage over time in linux
I know I can use df to get a summary of disk usage right now.
I can use du to break down into the detail of how the disk is being used.
The problem is I can only see this information for today.
...
3
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2answers
146 views
How do I get my disks to spin down after one hour?
I'm currently configuring a new home server, and I am trying to get the disks to spin down after one hour. But they do not spin down.
Setup
I have my entire system on an ssd: /dev/sda. I have three ...
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1answer
852 views
What's the use of windows hard disk write cache when the hard drive already has more than 8 megabytes of cache?
Doesn't a hard drive use its cache with high utilization? I see up to 20MB/s difference on file writes when I disable windows disk write cache. Does anybody know why cache size matters this much?
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19 views
View Files from mirrored RAID outside the device
The Product I have is a Western Digital My Book
The device has stopped working but there is nothing wrong with either of the two mirrored drives. I would like to take out the two mirrored hard ...
1
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1answer
67 views
How does disk size affect performance of a computer?
We run some applications in our Red Hat 5 servers. An application running on client machines accesses on a mount on this server. This application is used by users via X on windows PCs. There are data ...
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2answers
64 views
How to keep Linux running after hard drive removal?
I am working on an embedded Linux device with a USB hard drive. There is a swap file on this drive. The hard drive may be powered down at any moment before being powered back on few seconds later. ...
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2answers
41 views
Can I delete any unwanted file or folder in already written CD or DVD?
I have a DVD which is already written few folders along with files, but now I want to delete few unwanted folders along with files. Is it possible?
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1answer
37 views
did not find any hard disk
I just bought a laptop. It came with Windows Vista Home. I wasn't that happy with the performance so I decided to downgrade to XP. I used a USB to USB cable and formated the hard drive.
I booted from ...
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4answers
98 views
Simple folder sync solution in Windows 7
I have a few folders that have files which I want to have back-up on a external disk.
Do you know an app that automatically synchronizes the contents of my folders with the contents of the folders on ...
2
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2answers
43 views
What does it mean for a program to exclusively use a disk?
Hi all this page has a message which goes like this:
If the disk is already in exclusive use by another program or is formatted using a file system other than NTFS file system, FAT, or FAT32, it ...
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5answers
1k views
What is the maximum number of partitions that can be made on a hard drive?
What is the maximum number of partitions we can make on hard disk in windows?
If it is limited to some particular number why they have they provided until letter Z to assign? If it is a special ...
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1answer
29 views
What's the typical directory usage for a home server?
I am setting up a Linux home server with FTP/Web/NFS/SSH/GIT services. It will be used as a backup server.
What's the typical usage of directories to keep my system organized?
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2answers
90 views
lost files, not freed on disk
I had a NAS with 300GB data stored on it. I played around with it and finally broke it - all of the data was lost. I opened the NAS and put the disk into my computer (running Ubuntu). I put new data ...
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1answer
68 views
Disk read error after installing Windows XP
When i start my system it says
A disk read error occurred.
Press CTRL-ALT-DEL to restart.
I had simply made three partitions and copied the files using the XP setup(Installation didn't complete ...
2
votes
1answer
79 views
Why is disk fragmentation measured as a percentage?
In Windows if I open up the Disk Defragmenter and analyse a disk the tool reports the disk fragmentation as a percentage:
What does this percentage mean? Obviously if a drive is 0% fragmented then ...
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0answers
34 views
Maintaining peak IO potential with DD / CP
I wanted to copy a file (40 gig dataset) from a single drive to a dual disk raid-0 drive. I tried with CP and it sustained read - 4mb and write - 11 mb (doesn't make sense I know (must be the stripe ...
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1answer
269 views
NTFS Partition gets auto-corrupt, becomes RAW and unreadable
I have dual boot on my machine: Windows 8 and Ubuntu 11.10.
Suddenly, one of my partitions went corrupt.
On Windows, it's showing this error.
Location is not available.
E:/ is not ...
2
votes
1answer
76 views
How to perform a low level disk copy? (Migrate Windows system from one disk to the other)
Currently, I have a SSD on my computer, I install my OS Windows 7 on it. Unfortunately, it's capability is too small (32GB), it gets full easily, I need to clean up files periodically, it's quite ...
2
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1answer
72 views
How to access single files from partially broken disk?
My laptop fell down and now I cannot start it. BIOS Hard drive tests shows "Error Code: 0000 Read Verification Failed" on the 0% of the test.
I need to copy data from the disk and thus I took it off ...
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1answer
42 views
How do I remove the remnants of data from my C: drive?
I have installed Cygwin software which contains C++ and c compiler, debugger and some more things. Later on I decided to install all what Cygwin contains in itself. But I run out of memory on C: disk. ...
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2answers
47 views
Install Second Copy of Windows in a Partition, Block Access to other Partitions
I want to lend my computer to my flatmate so that he can play some games for which his computer is underpowered.
Is it possible to install a second copy of Windows 7 into a separate partition and ...
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2answers
79 views
What is a good (preferably free) hard disk backup utility? [closed]
Possible Duplicate:
How do I easily copy or clone a Windows boot partition onto a new hard drive?
For some background: I have not been making full backups of my OS drives for a very long ...
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1answer
48 views
Windows 7 RAID disk size incorrect [closed]
I have 2 drives at 500gb each installed. I used the Windows storage manager to create a software mirror. Now I'm getting several disk full messages, and my C:\ reports having as few as 8MB free ...
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0answers
43 views
When and where does Wubi mount it's virtual disks?
My use of the wubi-new-virtual-disk command made Wubi start mounting this new virtual home disk over my /home folder. After the use of the script failed, I am left with Wubi constantly remounting an ...
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0answers
64 views
Not able to Defrag my drive for shrink even using PerfectDisk on Windows 7 [closed]
Possible Duplicate:
Not able to partition C:\ Drive as per needs in Windows 7
I want to partition my c drive which has over 450gb capacity of which hardly 30gb is being used. I deleted the ...
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3answers
139 views
Why is my computer taking so long to copy from one drive to another?
I have two disk drives in my computer of about 120GB each. The 'C' drive has about 50Gb of data and the other drive (E) is almost empty. When I try and copy a large directory (65gb) from the 'C' drive ...
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0answers
49 views
What's a good disk test that uses random data?
I'm trying to test a linux driver, and I need a test like bonnie or dbench, but I need it to send random data. I'm trying to find corruption bugs, and if every write is all zeros I can't tell when I ...
3
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1answer
271 views
Can you boot an operating system into RAM disk and how?
I would like to know whether and how you can setup a computer to boot into RAM. I have 16GB of DDR3 1600MHz RAM.
Could it be done in Windows? If not, maybe in a light version of Unix?
yout to get a ...
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1answer
91 views
Why is ZFS stored in a binary tree structure?
Apparently, in the ZFS (filesystem), there is an uberblock that points to the root of a zpool tree. Does anyone know why this tree makes things more efficient/reliable, and where the tree itself is ...
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3answers
86 views
Disk configuration: What does it mean when two disks are “mirrored”?
I was just wondering what it means when people say that disks are "mirrored" to increase reliability. Is this some kind of alternative to RAID? Or are they referring to the properties of certain file ...
3
votes
1answer
54 views
What exactly is a disk repair?
More specifically, when referring to MTTF, MTTR, and MTTDL
I understand the disks sometimes "fail" so I was wondering what really constitutes a "disk repair"? And also, does anyone know what a repair ...
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0answers
73 views
What are the advantages of ZFS over other file systems? [closed]
Other filesystems - such as LFS, FFS, etc - in terms of reads, and for writes for general-purpose workloads
Are there any disadvantages for using ZFS?
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1answer
79 views
ZFS (file system): what is an “uberblock” used for?
Why does ZFS (and possibly some other file systems out there) tend to use an "uberblock" on top of imaps? Why can't there just be multiple imaps instead of the uberblock?
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35 views
Cannot run a .exe file from a memory disk created by ImDisk [closed]
I installed imdisk, and then used the following command to create the in-memory disk:
imdisk -a -s 1G -m M: -p "/fs:NTFS /V:MemDisk /q /y"
I then copied a whole directory to the M: disk, and then ...
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2answers
198 views
How do I make a VMDK format virtual hard drive from a physical partition on a disk?
I have a 320 GB HDD, which actually only has an 80 GB NTFS format partition which was being used by a Windows 7 system ... I want to create a VMDK format clone of this partition, so that I can use it ...
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2answers
79 views
Assistance getting my broken hard drive to work
I had an external hard drive (Seagate) that I accidentally pulled down on my desk. Immediately after falling it started making a soft beeping noise, and my computer no longer recognized it. I ...
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2answers
149 views
How to create bootable floppy disk images (.img)
I am thinking of creating my own OS. I downloaded bochs for a test machine, and now I need a 'floppy' to boot from (it boots from .img files). I am looking for free software to create bootable disk ...
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3answers
146 views
Over 20GB of disk space is gone?
System drive, OS is Windows 7 x64 SP1 Ultimate.
Windows Explorer shows 100GB of used space.
TreeSizeFree shows 75GB of used space.
Total Commander and FAR confirm TreeSizeFree's measurements ...
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0answers
68 views
Intermittent high disk response times
My computer has started to pause and frequently crash. When I say pause, I don't mean everything freezes, as parts of the user interface and some programs are still responsive. My processor load is ...
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2answers
202 views
Cannot Save in Hard Disk Drive C:
OS: Windows 7 Home 64bit
I cannot save a large file to the root of the C drive. I am not trying to save into any folder or directory, just directly to the root.
I am using the adminstrator account ...
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2answers
151 views
Unknown volume listed under Windows defragmenter
Does anyone know what "\?\Volume...." is or why it would be listed as a disk on the windows defragmenter?
It is not listed on other defragmenters like defraggler.
The E: and F: drives are ...
3
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2answers
164 views
What's the difference between a disk, and a drive?
Would this make the term 'disk drive' a slight misnomer?
Also, I thought RAM was equivalent to the term 'volatile' memory, but apprently 'hard disk drives' are also RAM and not ROM.... any ...
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2answers
100 views
Unable to create a basic volume
I use Windows Vista and want to install Windows 7 on a separate partition. I decided to shrink my D: volume, so I could create a new partition to install the new operating system.
I use these ...
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1answer
131 views
Check if a folder is on a shared or local disk?
How can I check if some folder in Linux is on a shared disk or a local disk?
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3answers
57 views
Boost disk access priority [closed]
Possible Duplicate:
How to change I/O priority of a process or thread in Win7?
In order to speed up some process, which are accessing a lot of files, is it possible to give an higher disk ...
0
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1answer
53 views
/dev/sda1, /tmp,/dev/shm
I'm actually putting some files into temporary folder /tmp. And I want to know the capacity of /tmp. I do the 'df -h':
Filesystem Size Used Avail Use% Mounted on
/dev/sda1 ...
3
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1answer
105 views
Boot problems - Mac OS X not booting
I am having trouble with my Macbook Pro (late 2008, OS X 10.5) at boot.
Here is an outline of my problems and attempted solutions:
As the computer was going to sleep it got stuck such that when I ...
3
votes
1answer
44 views
How to image / copy my drive to a new drive on a Mac
I am looking into upgrading my MacBook's drive and would like to transfer the current's drive contents on the new drive.
This is a relatively well covered topic here, and several solutions such as ...
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1answer
72 views
Cost of disc I/O read versus write [closed]
Is writing to a disc more costly operation then reading from a disk. For example - writing a 1 GB file of records as compared to reading the whole file.
2
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2answers
31 views
Windows Vista activation after moving disk inside another machine
I have a strange hardware problem on a workstation. I have another workstation available with exactly the same specifications and want to move the disk and RAM from the problematic machine to the free ...
