This tag is for questions about hard disk space usage.

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2
votes
2answers
210 views

decreasing “reserved block count” does not show up in df output

By default my ext3 file system had 122060 blocks(5%) reserved. I decreased this to 24412(1%), but there were no changes in df output: root@t60:~# df -P Filesystem 1024-blocks Used ...
16
votes
3answers
25k views

Find and remove large files that are open but have been deleted

How does one find large files that have been deleted but are still open in an application? How can one remove such a file, even though a process has it open? The situation is that we are running a ...
7
votes
4answers
6k views

How to recursively find the amount stored in directory?

I know you are able to see the byte size of a file when you do a long listing with ll or ls -l. But I want to know how much storage is in a directory including the files within that directory and the ...
5
votes
1answer
670 views

du — ignore file not found errors

I'm trying to get the size of a folder an application is currently writing to. If I run the du command it sometimes fails with the error: du: cannot access `/a/b/a.txt': No such file or directory ...
0
votes
1answer
62 views

see actual partitions usage

I have recently learned that ext3 (or some other filesystems) reserve some space of a drive by default for previliged processes. One can change this by doing the following: # tune2fs -m 4 /dev/sdXY ...
2
votes
2answers
3k views

Why do I get fsync() failed: Disk quota exceeded on my linux machine?

I get fsync() failed: Disk quota exceeded but when I use df -h and df -i there is enough space in all the folders. What can I do?
29
votes
3answers
3k views

Why are text files 4kB?

For some reason, when I make a text file on OS X, it's always at least 4kB, unless it's blank. Why is this? Could there be 4,000 bytes of metadata about 1 byte of plain text?
7
votes
1answer
5k views

Updating disk free size without rebooting the host

I use RHEL4 with LVM2 on it. At times even after removing large files more that a GB the partition size is not getting updated when is see using df command. -bash-3.00$ df -h Filesystem ...
4
votes
1answer
145 views

How can I get a total for space used by a group of subdirectories

My file system is set up like: /ftp/data/ProductGroup*/ProductType*/Year*/Day*/ActualProductFile* ("*"denotes directory names that change) I'd like to find out how much space is being used for ...
3
votes
2answers
1k views

Filesystem monitoring

A script where we need to come up with a way for the disk space monitoring to be smarter. On smaller file systems, we still want to alert at 90% full, but on larger file sytems, we should only alert ...
3
votes
3answers
480 views

Removing disk quotas in Scientific Linux

Im doing some big data integrations in MongoDB at the moment. MongoDB's files are stored at /data/db Scientific Linux has automatically setup root to have a small amount of disk space and me, bob ...
2
votes
2answers
1k views

Using rsync to sync two directories on server and localhost, but size is different

I'm using rsync to sync a directory from server to localhost: rsync -avz --delete ./Stuff user@host:/Stuff This all works fine, but how come when I type 'du -s' in both the server and the localhost ...
0
votes
3answers
270 views

Find modifies the Access Time

I have to find those files which have been modified before one day. There are lots of files which are modified before one day. I am doing find ./ -type f -mtime -1. But, I observed that my disk util ...
3
votes
1answer
394 views

Any command to view the file system internal fragmentation size under a directory?

If the block size of a file system is 4KB, then for a 1KB file, 3KB space(which is internal fragmentation) is wasted. So, under a directory, is there any command to summarize how much disk space is ...
2
votes
1answer
161 views

Why is some filesystem space used even though the filesystem is empty? [duplicate]

Possible Duplicate: ext4: How to account for the filesystem space? After googleing a little I find that ext4 reserve 5% for root: Reserved space for root on a filesystem - why?, ext2/3/4 ...
5
votes
4answers
3k views

Find largest files recursively

There seem to be a lot of entries about how to use du to recursively find the largest dir and files at the same time, but none on how to only recursively find the largest files in a set of ...
2
votes
4answers
277 views

Ghost directory in home directory

I am using following command to check the disk usage in my home direcory. du -sk * | sort -n I am getting the following output 273240 AQP 707720 oradiag 3176872 J2EEServer 23628720 var ...
3
votes
3answers
650 views

Disk size management

I am using Fedora 16. My /dev/sda2, mounted on / (root) with something like 50G got filled 100%: [foampile@~ 13:13:39]> df Filesystem 1K-blocks Used Available Use% Mounted on rootfs ...
7
votes
2answers
3k views

How to `du` only the space used up by files that are not hardlinked elsewhere?

Using rsync --link-dest for space-saving snapshots, how can I figure out how much space I actually saved? Or more general: How to figure out how much space a directory uses considering only files ...
1
vote
1answer
173 views

/ is out of blocks, can't find out why [duplicate]

Possible Duplicate: How can I diagnose and repair missing drive space? root@database:/# treesize -x 2>/dev/null 1.1 GB . 757.1 MB ./usr 232.0 MB ./lib 97.2 MB ./var 29.0 MB ./boot 6.3 MB ...
0
votes
3answers
1k views

Why is my rootfs filling up so fast?

I'm trying out Linux by installing openSUSE 12.2 x64 on VirtualBox; the host is 64 bit Windows 7 Ultimate. I gave the install 16GB of storage - I will only be messing around with it - I thought this ...
1
vote
3answers
677 views

What logs would be written if file system is full in UNIX?

I am working on a unix server and I guess during some time in past the file system had been full. However, I need some solid data to prove it. Will there be any OS logs or something of that sort to ...
3
votes
3answers
316 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
483 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
134 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 ...
12
votes
1answer
4k 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 │   ├── ...
6
votes
2answers
10k 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
495 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
351 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 ...
2
votes
2answers
534 views

/var House Keeping

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 ...
4
votes
2answers
756 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
380 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
1answer
10k 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
412 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
126 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 ...
6
votes
6answers
2k 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
355 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
185 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
3k 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
1k 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 ...
4
votes
1answer
3k 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 ...
8
votes
6answers
11k 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
146 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 ...
3
votes
5answers
3k 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 ...
10
votes
4answers
4k 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
338 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 ...
13
votes
7answers
53k 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 ...