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2
votes
1answer
28 views

Is it possible for du to report significantly more disk in use than the mount point has available?

I ran into an interesting situation the other day. I have a 1TB NFS filesystem mounted on /backup. df reported approx 1TB total size, as expected. However, running du -csh . in the /backup/.snapshot ...
1
vote
1answer
17 views

How to ascertain remaining space on an isolated partition from the command line

I was recently told by another developer that whilst diagnosing a server issue (our application could not write logs due to insufficient disk space) he was able to view remaining disk space on what he ...
5
votes
2answers
88 views

ext3 Filesystem shows full to most apps, but only 77% full to DF

Var is showing as full to many apps like Nagios, Puppet, and the LVM tools (pvs, vgs, etc) df -h output 6.0G 4.3G 1.4G 77% /var vgs output /var/lock/lvm/V_rootvg:aux: open failed: No space ...
0
votes
2answers
36 views

Fedora “disk full”, df, du (gui) confirm but gparted shows the partition is big enough

I am running a fedora Virtual machine and after much pain I managed to extend my virtual machines .vdi, from 20gb to 40gb. However it appears my pain is not over. The machine still complains of low ...
0
votes
1answer
37 views

Harddrive remaining space does not compute

I have a server which has a handful of services (Apache, MySQL, DNS, Nagios), and have been having issues with the harddrive filling up. Upon further review, I noticed that the percentage used ...
2
votes
1answer
53 views

Why is df -h size, util and dispo not corresponding to each other

When I'm using the command "df -h" I'm having the following output : Filesystem Size Used Avail Use% Mounted on /dev/mapper/fedora-root 20G 9,4G 8,8G 52% / devtmpfs ...
0
votes
2answers
87 views

Equivalent of the Solaris “df -t” command on Linux?

The df -t command on Linux does not display the number of files like it does on Solaris. Is there any equivalent command on Linux? My script is like this for i in /opt/aa /opt/aa/data /opt/aa/bb; ...
1
vote
4answers
53 views

Linux: what is on each of my hard drives

I am about to get a new PC built by my local Expert, and will have Fedora 20 installed on it (with dual boot for a bit of Windows in case I really have to use it). It will have a new hard drive, but I ...
0
votes
0answers
31 views

Disk space shows up as used but not on `du` [duplicate]

I have a problem where 70G on a server seems unreachable: XXX@XXX:/data$ df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/ubuntu--Storage-root 120G 2.9G 111G ...
2
votes
2answers
132 views

du on ramdisk displays 3GB less than df

I understand there's often a some discrepancy between du and df but when I du my ramdisk it occupies 13G, whereas df shows it's using 16GB. This seems quite a big difference. Is this normal? ...
0
votes
1answer
119 views

df showing same usage statistics for different mounts

I've run the following df command on my system and get the following output: Filesystem 1K-blocks Used Available Use% Mounted on //loonie/Market ...
1
vote
1answer
39 views

How can I create a variable for just the Size, Used, and Available of df?

Say I want to create variables, one for each the size, used, and available when using df. How can I create variables for each? Is there an option that returns just one of these things? directorySize= ...
1
vote
1answer
87 views

“df -h” and “fdisk -l” in amazon server [closed]

When you do a df -h you can see: Filesystem Size Used Avail Use% Mounted on /dev/xvda1 7 . 9G 1.7G 6.2G 22% / But, when you do fdisk -l you see: Disk /dev/xvda1: 26.8 GB, 26843545600 bytes 255 ...
1
vote
3answers
198 views

What's the difference between fdisk -l and df -h?

In my ubuntu system, I want to have a look about my system disk info. When I use fdisk -l without sudo, I get nothing. But with sudo fdisk -l, I only get a device /dev/sda1, but when I use df -h, I ...
0
votes
2answers
348 views

Regarding the output of “df -h” in Linux

Regarding the output of "df -h" in Linux. [root@]# df -h Filesystem Size Used Avail Use% Mounted on /dev/sda2 193G 82G 101G 45% / tmpfs 1.9G 272K 1.9G ...
6
votes
5answers
221 views

Get filesystem name and usage with `df -h`

df -h | grep test | sed -e 's/*%.^ //g;s/.*[ ^I]//' Output: /test /test/drv0 /test/drv1 df -h | grep test | cut -d '%' -f1 | sed -e 's/*%.^ //g;s/.*[ ^I]//' Output: 10 20 15 I want to ...
2
votes
2answers
335 views

the difference in used hard drive space as shown by df and du is HUGE!

It seems that du discounts the #open files when calculating the disk usage, and this hit me when I saw that df is showing 100% usage, while du says only 40% is in use. when i looked up on this, i ...
1
vote
1answer
585 views

Is there any way to check df -k hanging for nfs mount issues?

I am trying to write a script for such failure scenarios. In a scenario where maybe, if remote connection is lost, df waits for the remote server to respond (looks like df is hanging). I know I could ...
3
votes
2answers
3k views

Shell script to send an alert mail if disk usage exceeds 90%

I am new to shell scripting and want to implement a script on my server which will automatically send email alerts if the disk usage goes over 90% and second email alert when it goes over 95%. My ...
1
vote
0answers
440 views

why is df update slow?

When I remove large files, then use df to check the disk usage, often it takes a noticeable amount of time to update the disk usage percentage appropriately. This affects several data management ...
1
vote
2answers
2k views

df command not showing correct values

This is a RHEL server, I'm running a MySQL server on it, the database and log files (however, logging is disabled) are located on the /srv directory where plenty of space is available. Recently I had ...
1
vote
2answers
877 views

No space left on device / No Inodes free OR used / Double mounting

For about a day now I can only create/cp/mv (through terminal or various GUI programs) files on my FAT16 formatted USB stick, of about a few bytes. Doing so with larger files reports cannot create ...
1
vote
2answers
300 views

awk a specific column with unexpected line break

I can't seem to find a solution for this and it's driving me crazy. I know I can use awk to print a column(s). I'm having trouble printing a specific column though because of the way my file system is ...
0
votes
5answers
326 views

How to display result of df every 30s? [duplicate]

All I want to see is the % after I issue df / every 30s but on the same line just after the previous number. So the final output would be 86% 86% 86% 87% 87% ...... Could it be one line code? Or ...
0
votes
2answers
161 views

'df' command doesn't list /home directory

In the book I am reading, the output of df command is shown like this: Filesystem 1K-blocks Used Available Use% Mounted on /dev/sda2 15115452 5012392 9949716 34% / /dev/sda5 59631908 ...
0
votes
0answers
50 views

User mounted secondary drive as /var

I have a drive that someone else mounted using mount /dev/sdc1 /var At some point they complained that all the data was missing Now: mount /dev/sdc1 /media/testdrive df -h shows 130GB used du -h ...
4
votes
1answer
245 views

Linux tool to track directory space over time

Are there any common Linux tools that track disk space over time, not just a filesystem overall, but for example, so I could easily see which directory trees swelled up and shrunk historically? The ...
2
votes
2answers
560 views

Is it possible to tell df to use /proc/mounts instead of /etc/mtab?

Installing gentoo in chroot I found that commands like mount and df doesn't work: they try to read file /etc/mtab (which of course is empty). Can I (for future use) setup or even recompile them so, ...
2
votes
2answers
137 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 ...
0
votes
1answer
59 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 ...
1
vote
1answer
1k 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 ...
2
votes
2answers
281 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
679 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
6k 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 ...
1
vote
2answers
147 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
2k 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 ...
4
votes
1answer
2k 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 ...
7
votes
4answers
3k 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 ...
3
votes
2answers
956 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 ...
10
votes
7answers
34k 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 ...
2
votes
1answer
141 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 ...
1
vote
2answers
913 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
657 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 ...