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16
votes
4answers
5k views

What is the difference between du -h and ls -lh?

I am having a difficult time grasping what is the correct way to read the size of the files since each command gives you varying results. I also came across a post at ...
15
votes
7answers
8k views

du vs. df difference

I have a fileserver where df reports 94% of / full. But according to du, much less is used: # df -h / Filesystem Size Used Avail Use% Mounted on /dev/sda3 270G 240G 17G ...
5
votes
2answers
2k views

FreeBSD: How to know real file size on zfs with compression on?

I'm using zfs on my FreeBSD 9.0 x64 and pretty happy with it, but I find it hard to count directory real, not compressed, size. Surely I can walk over the directory and count every file size with ...
4
votes
5answers
197 views

Get Size of All Folders in Directory

I want to get the size of all directories within a specific directory. I was thinking something like find . -type d -exec du -sh {} \; But that returns all directories recursively. How can I limit ...
4
votes
3answers
277 views

Understanding the different directory sizes

When comparing root@debian:~# du -s /backup/test1/ 5605364 /backup/test1/ two directories with du, root@debian:/etc/init.d# du -s /data/test1/ 5605360 /data/test1/ du tells me that there is a ...
4
votes
1answer
3k views

Disk space usage doesn't add up with df & du

I'm trying to free up some disk space - if I do a df -h, I have a filesystem called /dev/mapper/vg00-var which says its 4G, 3.8G used, 205M left. That corresponds to my /var directory. If I descend ...
4
votes
2answers
250 views

inconsistency between du -sh and df -h

I know this is a common occurrence when the result of du -sh is smaller than that returned by the file system with df -h. (Because some files are still open in processes etc..) But in my case I have ...
3
votes
4answers
604 views

Disk full on linux server, blocks used is much less then blocks avalable

Output of df is: [root@backup log]# df Filesystem 1K-blocks Used Available Use% Mounted on /dev/mapper/VolGro 1889811408 1861658948 0 100% / /dev/sda1 101086 ...
3
votes
1answer
3k views

Ubuntu “No space left on device” for /home, df shows 100% full, ds shows much, much less [duplicate]

Possible Duplicate: Linux different size for df and du for root partition On an Ubuntu 12.04 server, normal users can no longer create or add to files in /home, encountering a "No space ...
3
votes
2answers
77 views

Next-gen filesystems: disk space usage log?

From time to time I run into problems when server hard disks (Linux) fill up quickly with lots of small files. When this happens I have to try to figure out how much space is being taken up and where ...
2
votes
3answers
75 views

du displaying old results

I ran du -hs to find out how big my /home/user directory was and it reported as 18G. I cleared out almost 4G of data and ran du -hs again to find out how much space I actually saved and it still ...
2
votes
1answer
123 views

How can I calculate the total size of an extremely large number of files with a particular extension?

I've got a directory in Linux that contains a large number of files (tens of thousands), plus directories that may contain thousands of files as well. At some point the following du command fails ...
2
votes
1answer
106 views

How do I find the biggest files on multiple servers and sum up their size?

I am trying to find the biggest files in the /export/home directory and add up (sum) their sizes. Script: #!/bin/bash filename=hostnames > export_home.log while read -r -a line do ...
2
votes
1answer
68 views

Folder's taking up way more than it should

My server is chugging along with a 5GB drive, and unfortunately, it's 100% full. Going to delete some files, I notice that my Dropbox's taking up way more than it should. du -hs * returns: ...
2
votes
1answer
156 views

Monitoring of disk usage over time - check for large variations

I'm looking for a tool that would monitor disk usage over time. What I'm looking for is folders or files that grow unexpectedly over a short period of time. I use du , ncdu, baobab (when X is ...
1
vote
4answers
1k views

Cross-platform, human-readable, du on root partition that truly ignores other filesystems

Edit 09/20/2012 I made this way too complicated before. I believe that these commands are actually the simpler way, while still formatting everything nicely. RHEL 5 du -x / | sort -n |cut ...
1
vote
4answers
385 views

How to do “du” on all files under a directory in linux?

This is what I tried: [demo@ ~]# ll /usr/local/apache2/logs/|xargs |du -hm - du: cannot access `-': No such file or directory I want to see the amount of space each file occupies in m unit. How to ...
1
vote
2answers
244 views

df -h disk usage of empty disk shows 188M usage ?!

I have an empty disk mounted as /data The df -h shows me that 188M are used while a du -h shows me 4,0K. root@marc:~# du -h --max-depth=1 /data 4,0K /data root@marc:~# df -h Sys. de fichiers ...
1
vote
1answer
845 views

du command takes WAY too long to run

I am running du -sh in a variety of directories to find disk hogs. I got two identical servers (Dell PE2850s), both with RHEL5 and it will take significantly longer to run du on one server over the ...
1
vote
1answer
82 views

Different output by df and du [duplicate]

I have an old RHEL 5.5 Box, When I fire df -kh I see that /var is of 49 GB with 100 % usage. But then I go inside the /var cd /var and I fire du -kh I see that only total 300 MBs are used. I ...
1
vote
1answer
90 views

Server was ok for space on /, ran du -s, now server is at 100% usage on /

Our server running RHEL 4 apparently ran out of space today. It was working fine and I decided to run a du -s on an unused directory of files to see how much space we would free deleting it. Upon ...
1
vote
2answers
134 views

Why is DU causing high CPU usage?

On CentOS 6.5, du -sk /home and sh -c (du -sk \/home) 2>/dev/null run because a scheduled disk usage for /home, but du is causing 100% CPU usage. Plus, before it's even finished, another du gets ...
1
vote
1answer
433 views

Ubuntu server: hard drive always full

I have a 50GB vps when I run df I get Filesystem 1K-blocks Used Available Use% Mounted on /dev/sda1 49982172 46580100 863064 99% / none 507212 ...
1
vote
1answer
105 views

Near 100% disk usage, df and du show very different results, lsof not the answer

The issue is that my CentOS 5.8 machine is telling me that I am nearly out of disk space when I am pretty confident this is not the case. I've done a fair amount of researching on this issue and have ...
1
vote
0answers
15 views

No disk space on / (Debian Jessie) [duplicate]

I have a problem with disk space on my dedicated server. I have no disk space available on partition / root@server1:/# df -h Filesystem Size Used Avail Use% Mounted on /dev/root 96G ...
0
votes
4answers
421 views

Linux du and rsync 100% disk utilization

Whenever I run du -sh or rsync I get my disk utilisation at 100%. This causes mysql slow queries to appear, which usually causes my site going down. Any tips or tricks running these to commands ...
0
votes
3answers
111 views

Map linux folders by size

I have AWS linux instance, Currently there are many folders in the instance. I would like to map all the folders and their size, so i could come back in 1 month and check which folder occupy high ...
0
votes
3answers
200 views

How to find largest files in a dir - ignoring directory sizes

I want to do something like this du -a | sort -rn | head But I want to extract files only, ignoring directories. To be clear, I want to traverse through all sub-directories but I don't want to ...
0
votes
2answers
68 views

How to limit du output to a specific user?

I need to help a specific user, say alice, free up some disk space; but not all the user's files are in his home directory; many are in directories shared with other users. I'd like to have something ...
0
votes
1answer
18 views

Does linux count s3fs mounts as local disk usage?

I have an s3 bucket mounted on an EC2 instance whose main disk is an EBS volume. Whenever I run something like du -h /path/to/mount it tells me the size of the folders within those. I'm wondering ...
0
votes
1answer
110 views

Maximixing performance for disk usage queries in linux using du -s or df while maintaining accuracy?

I'm running a script to find out the disk usage on a wide range range of VPS (size ranging from less than 1 GB of usage to over 200 GB of usage)... I'm trying to maintain performance (EG: no extra ...
0
votes
1answer
1k views

Du tells me it can't find the current directory?

I'm on AIX, and in some directories I can't use the du command. I get the follow error message: du: 0653-175 Cannot find the current directory. Obviously the current directory exists, and I ...
0
votes
0answers
114 views

finding directory size on linux with du reports errors when files are deleted during command

I'm trying to find out the directory size of a folder to determine if a user has rights to keep writing to the folder (i.e. they are within the given limits I've imposed). I'm doing: du -sb ...
0
votes
1answer
125 views

finding directories that consume a lot of the AFS volume quota

The AFS volume quota is almost exceeded for one of our computer users. Running fs listquota or fs lq gives him a warning: olifri@ubuntu:~$ fs listquota ~ Volume Name Quota ...
-1
votes
1answer
166 views

I can't find the ghosts taking up space on my hard drive [duplicate]

Possible Duplicate: How do I find out what is using up all the space on my / partition? No Free disk space $df -h returns /dev/sda1 16G 16G 0 100% / tmpfs ...
-1
votes
1answer
98 views

Inconsistency between “du -sh” and “df -h” [duplicate]

Possible Duplicate: du vs. df difference I am running a server with Debian stable. If I call: df -h this is the result I get: Filesystem Size Used Avail Use% Mounted on ...
-2
votes
2answers
63 views

df showing 28G of total space, du showing size of '/' as 400+ G

I constantly get the unable to write to * error, even though I cleaned up a bunch of space. df thinks my disk is 28G in size and 100% full after I deleted a lot of unused files: $ df -h Filesystem ...