This tag is for questions about hard disk space usage.

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3
votes
3answers
344 views

Why do I get 3048 MB from a 64 MB flash memory?

I have a Linux based STB (set-top-box) and it features a 64 MB flash memory and 256 MB of RAM. I wanted to take a backup of some of my settings before I flash it with another image, but I wasn't sure ...
2
votes
1answer
683 views

remove unallocated space from a partition image

I have just created an image of an sd card using dd and the image is compressing down less than expected. I suspect this is because the card had not been zeroed out before I started to make the image. ...
2
votes
1answer
139 views

Expanding a partition in Ubuntu

This is what GParted displays about my partitions. And this is the output from df: Filesystem 1K-blocks Used Available Use% Mounted on /dev/sda1 61409452 4503052 53786836 8% / udev ...
14
votes
1answer
6k views

Print size of directory content with tree command in tree 1.5?

I like tree it's a nice way to display my files and the size of folders/directories. But the -h option only shows the size of the directory, not it's contents. /media/ ├── [ 16K] 64D9-E862 │   ├── ...
12
votes
2answers
19k views

df vs. du: why so much difference? [duplicate]

Possible Duplicate: Why is there a discrepancy in disk usage reported by df and du? df says 8.9G used by the partition mounted in / :~$ df -h Filesystem Size Used Avail Use% Mounted ...
2
votes
2answers
574 views

Is there a way to make apt report which packages in a dist-upgrade will use additional disk space?

I recently decided it was time to do the ol' dist-upgrade. Since I don't upgrade often, I got this message: deus@machina:~/$ sudo apt-get dist-upgrade Reading package lists... Done Building ...
2
votes
1answer
393 views

/dev/mapper and vicious IO widget

I have dio vicious widget for monitoring IO within an awesome widget. It is defined like so: diowidget = widget({ type = "textbox" }) vicious.register(diowidget, vicious.widgets.dio, '<span ...
3
votes
2answers
624 views

/var House Keeping [closed]

Does anyone have any general advice or links for doing some house keeping on the /var filesystem on Unix and Linux servers? I have searched the issue quite a bit but can find no real concrete ...
5
votes
2answers
953 views

btrfs on openSUSE not releasing disk space

I have an openSUSE 12.1 install on my main desktop running with btrfs filesystem for root (/boot is ext4). I started having issues today with KDE informing me that disk space is almost all gone and ...
2
votes
2answers
476 views

How come lvextend allocates less than the specified amount of space?

I am trying to extend a volume, let's call it /dev/vol1. I see the initial volume size is 500MB when I call: df --block-size=M /dev/vol1 then to extend it 100MB more I call: lvextend -L+100M ...
3
votes
1answer
1k views

How to do df only on root partition?

How can get df results only for / partition. The partition name/identification (/dev/sda2, /dev/cciss/c0d0p1) could vary on different computers.
12
votes
2answers
16k views

How to remember the difference between du and df?

du and df do rather similar things, and so I always find myself typing the wrong one. I think if I knew what "du" and "df" stands for it might make it easier to remember which to use. What is a way ...
4
votes
5answers
513 views

How does this directory use so much space

Unix is not my native language and I'm getting confused by their concept of filesystems. When I look at my free space I see: /$ df -kh Filesystem Size Used Avail Use% Mounted on ...
0
votes
1answer
158 views

du (disk usage) and format specifier for file/directory sizes strings?

I am really fond of du, and I often like to use it like this: $ du -hsc /var/mail/ /var/log/ 2>/dev/null 4,0K /var/mail/ 5,7M /var/log/ 5,7M total However, I'd like to be able to ...
19
votes
6answers
4k views

Which installed software packages use the most disk space on Debian?

Disk space on my root partition is running low, so I want to delete some applications from the system. How can I see which software packages use the most disk space? Is it possible to view that from ...
7
votes
3answers
364 views

How do you tell what hard drive a file is on?

On Debian, I have multiple hard drives, how do I know where /var/www is? Bonus: How do I check the capacity and consumed capacity and of my drives?
1
vote
2answers
208 views

odd output from df command on a SLES

I know I'm not very good at math...but check out this output: SERVER:~ # df -h /ORACLE/LOGS/b Filesystem Size Used Avail Use% Mounted on /dev/mapper/LOGSdatavg-LOGSb_lv 96G ...
3
votes
4answers
4k 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 ...
2
votes
1answer
2k views

How much can the space allocated for an LVM snapshot be reduced?

I created an LVM snapshot, then I modified the original logical volume, and now I see that I probably allocated too much space to hold the snapshot. And I want to reclaim some free space by reducing ...
5
votes
1answer
4k views

When using btrfs, why “Size”, “Used” and “Avail” values from df do not match?

I have a btrfs partition. When I run df -h, it shows: Filesystem Size Used Avail Use% Mounted on /dev/sda2 113G 101G 8.3G 93% /home From Why is that? Is it because reserved space for ...
12
votes
7answers
24k views

Finding files that use the most disk space

Is it possible to list the largest files on my hard drive? I frequently use df -H to display my disk usage, but this only gives the percentage full, GBs remaining, etc. I do a lot of data-intensive ...
1
vote
2answers
1k views

RedHat Linux Space Usage Problem

I recently downloaded something on my Redhat Linux computer, and it told me I was out of space. I checked my disk usage, and it says I've used 100% of my folder, but as you can see I still have almost ...
0
votes
3answers
151 views

Finding Writeable Remaining Space

I work for an organization where we employees are alloted separate space on a remote server. I SSH to that server, and the using du I get to know that free space shown is around 2 GB. But not all can ...
3
votes
2answers
1k views

ext4 used space (not -m option, not deleted files)

I'm a bit puzzled about the way ext4 reports used space. On a new Debian wheezy (testing) installation, I consistently got about 1GB extra space used with a 60GB SSD, when compared to du. I then ...
4
votes
5answers
4k views

How big should the rootfs partition should be on Arch Linux?

I've installed ArchLinux yesterday and set up a 10 GB partition for the root file system, 256 MB for swap, and the rest (456 GB) for my /home. However I still have 4.0 GB left on my root file system ...
11
votes
4answers
5k views

Is there a way of deleting duplicates more refined than fdupes -rdN?

Recently I have the need to delete a lot of duplicates. I am merging three or four filesystems, and I want the space to be used economically. At first, fdupes seemed like it was the best tool for the ...
1
vote
1answer
481 views

Why does the “du” command count in 4KB steps? [duplicate]

Possible Duplicate: Directory size calculation difference I don't understand how the du command under Linux works. I wanted to count the overall size of a few hundred, small files and du ...
19
votes
7answers
75k views

Tell fs to free space from deleted files NOW

Is there a way to tell the kernel to give back the free disk space now? Like a write to something in /proc/ ? Using Ubuntu 11.10 with ext4. This is probably an old and very repeated theme. After ...
1
vote
3answers
457 views

Are .bz2 files inside /var/lib/pengine safe to delete?

My problem is that my /var partition is over 80% (total size: 4.9G). I was reviewing the files into this partition and I saw a file which has 3.4G. (/var/lib/pengine) I dig into that /pengine file ...
12
votes
2answers
2k views

“ls -lh” reports total size less than sum of individual sizes

Under what circumstances would ls -lh show a total that is less than the sum of the individual files? For example: $ ls -lh /var/lib/nova/instances/_base total 100G -rw-rw-r-- 1 nova nova ...
2
votes
2answers
189 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
1answer
754 views

du reports surprising total size for same data

Don't worry, this isn't typical "du vs. df" question. :-) I mounted a squashfs image (via loop) and used du to reported the size: du --apparent-size -lsh image1/ which reported 215M. Then I used rsync ...
2
votes
1answer
200 views

Getting info about a Virtual file system

I have created a Virtual ext3 partition on a armv7 machine with: dd if=/dev/zero of=./system.img bs=1000000 count=200 mkfs.ext2 ./system.img tune2fs -j ./system.img Now I need to get info about ...
3
votes
2answers
420 views

Does /var keep growing in size?

tldp.org quotes /var as: Files in /var/log can often grow indefinitely, and may require cleaning at regular intervals. So without cleaning, using a system for a long enough period will fill up ...
6
votes
2answers
437 views

Mysterious write IO

I am just reviewing the disk IO of a XEN VM server. I stumbled across a DomU that has constant write traffic. To narrow that traffic further down I logged in to the DomU (CentOS 5, 64 Bit) and ...
0
votes
1answer
1k views

Shrink a Linux guest .vdi in VirtualBox?

I've seen instructions for shrinking the .vdi image for a Windows guest machine in VirtualBox 4.1.8. However, it used a tool to write zeroes to free space in the .vdi (nullfile-1.02.exe) that is for ...
1
vote
2answers
2k views

Alias Loop in csh

Why is there an Alias loop error created here: alias df 'printf "\n"; df -hP | column -t' But not here: alias df 'df -hP | column -t' I realize I could call the alias something else and still ...
2
votes
3answers
1k views

Root filesystem nearly full - should I be worried?

me@netbook:~$ df -h Filesystem Size Used Avail Use% Mounted on /dev/sda5 323M 292M 15M 96% / tmpfs 5.0M 4.0K 5.0M 1% /lib/init/rw tmpfs ...
1
vote
1answer
550 views

/usr partition filled up, need to make it larger or mount it somewhere else

I have 160 GBhdd. I have ubuntu on about 30GB and Rest is PC-BSD 9.0. On PC-BSD, my /usr is about 11GB and that is all used up. I realize that when I try to install ubuntu inside VirtualBox. I need ...
2
votes
1answer
12k views

How to see free disk space on SunOS?

It really makes me mad. SunOS 5.9 #format Searching for disks...done No disks found! # mount / on /dev/md/dsk/d0...(skip) /var on /dev/md/dsk/d4 ... /opt on /dev/md/dsk/d5 ... /home on ...
1
vote
3answers
191 views

How to clean up my desktop?

Now, I see that my desktop running rhel 5.6 has run out of space. Now I need to clean it up. There must be some unintentional files adding up. What I would like to be able to do is list the files in ...
4
votes
1answer
527 views

GNU/Linux, IO performance problems

I have some problems with my system performance. As I was adviced here, I used sar: $sar -u 5 and found out that the problems are caused by a low HDD performance, as I supposed (high %iowait). ...
14
votes
1answer
29k views

Using --exclude with the du command

This is probably something basic but I'm not able to make it work. I'm trying to use DU to get a total size of files minus certain directories. I need to exclude one specific directory called uploads ...
0
votes
0answers
45 views

How to limit the disk space for any user? [duplicate]

Possible Duplicate: Managing disk space on servers I want to limit disk space for any specific user. Actually I need to do this for every user. I am building a Scientific Linux server and I ...
9
votes
2answers
2k views

How can I list the top IO consuming files?

My document management software is doing a lot of IO and I would like to know which files it is accessing the most. Is there a Linux tool that would give me the list of the top IO consuming files, ...
5
votes
2answers
749 views

xfs disk usage is 15-30% bigger than the files

xfs seems to use 15-30% more disk space than the files require: # du 0 . # dd if=/dev/zero of=test bs=1M count=5k 5120+0 records in 5120+0 records out 5368709120 bytes (5,4 GB) copied, 10,527 ...
2
votes
3answers
2k views

find top 10 latest modified files

How do I get the last 10 files that were modified on my system. I have a system where its disk usage is maxed out I am not sure which files is increasing rapidly. I have a mysql instance stored on a ...
17
votes
3answers
11k views

Getting size with du of files only

How can I get the size of all files and all files in its subdirectories using the du command. I am trying the following command to get the size of all files (and files in subdirectories) find . ...
3
votes
2answers
7k views

How to check disk usage in ftp?

Is there a way to sum up the disk usage of a certain directory while in ftp? I was trying to create a script that will check what is the disk usage of the current directory and prints out the free ...
5
votes
1answer
2k views

Getting disk i/o statistics for single process in Linux

I need to monitor the I/O statistics of a process that writes to disk. The purpose is to avoid write rates too high for long periods. I know there's iostat tool to accomplish this task on a ...