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Questions tagged [df]

df is a standard Unix computer program used to display the amount of available disk space for filesystems

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Why is an incorrect size reported on multi-partition USB flash drive?

I'm creating a custom Linux installer which uses two partitions on a 4GB USB flash drive: an EFI partition for booting and a data partition for installer files. The size reported by df is unexpected. ...
Danny's user avatar
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2T file system full! du says only 70G consumed. Where is the rest?

When I run df / I get Filesystem Size Used Avail Use% Mounted on /dev/mapper/ubuntu--vg-ubuntu--lv 2.0T 1.9T 0 100% / When I run sudo ncdu -x / I get Total disk usage: ...
vijayvithal's user avatar
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2 answers
770 views

What happens if I dont resize filesystem after increasing storage

My question is built on top of this post: why df vs lsblk command have different results? The command, df and lsblk, yielded different result since I increased the storage. From the above post, it ...
Alan Chen's user avatar
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1 answer
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Linux + what are the preferred options in order to resolve inodes that reached 100%

we have RHEL machine , and from df -i , we can see that some partitions are with 100% ( about inodes ) , in spite by df -h we have space Note - disks are VMDK disks df -h /dev/sdc ...
King David's user avatar
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1 answer
231 views

Why are df and du command show inconsistent results?

When I run df -h it shows that 95% has been used in /data4 and I am the only user under /data4. Filesystem Size Used Avail Use% Mounted on overlay 591G 455G 136G 78% / tmpfs ...
martin's user avatar
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2k views

BTRFS discrepancy between df and du

the difference between disk usage reported by df and du makes 20% of capacity of my drive. It is ubuntu-type btrfs filesystem with @ and @home. Where could be the problem please? df -h /dev/sda2 ...
Jan's user avatar
  • 367
2 votes
1 answer
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linux df -h not showing some info

I have Ubuntu 20.04 linux and I create a second disk, and second filesystem. Right now when I want to see info my second filesystem df is not showing. I use default mount specification. df -ah ...
thargalin's user avatar
1 vote
1 answer
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How can I find out the capacity of the nfs mounted directory on the disk?

I cloud not find files filling the disk. df -h command print out / part usage %86 ( capacity is 15G ) but du -sh / command print out 3G. I am using nfs share on my system. the nfs mounted to /mnt. i ...
Hasan's user avatar
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214 views

Why my disk not in /dev/diskstats

I can see the device /dev/xsda by df -h command. But the device not shown in /proc/diskstats. Instead, there are devices names as below: sda sda0 .... sda6 lsbk does not show the device either $...
Kramer Li's user avatar
  • 101
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Find mounted hard drives on ubuntu

I recently got a new dedicated server and I'm trying to mount all the drives it contains. $ sudo lsblk -o NAME,FSTYPE,SIZE,MOUNTPOINT,LABEL NAME FSTYPE SIZE MOUNTPOINT LABEL ...
nmpg's user avatar
  • 101
4 votes
1 answer
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Not the same output format from `df` in different Linux distributions

In Ubuntu the output of this command df --exclude={tmpfs,devtmpfs,squashfs,overlay} | sed -e /^Filesystem/d | awk '{print $6 " " $1 " " $3 " " $4 " " $5}' is: /...
Piduna's user avatar
  • 153
3 votes
2 answers
11k views

Is it safe to delete contents of /root/.cache folder to free up space?

I need to free up disk space on my linux server. I run the df command to check space ad see that I'm using up 100% of disk space. myserver:/ # df / Filesystem 1K-blocks Used Available Use% ...
Harry Boy's user avatar
  • 131
0 votes
1 answer
146 views

Why does it say no space available when a lot are avaliable?

$ df -h Filesystem Size Used Avail Use% Mounted on /dev/sda1 30G 290M 28G 2% / devtmpfs 63G 0 63G 0% /dev tmpfs 63G 0 63G 0% /dev/shm tmpfs ...
ling's user avatar
  • 123
5 votes
3 answers
1k views

Is it possible to add a thousands comma separator to the output of the Linux "df" command

df command gives me good information, and I love to see it in KB unit. But I need a thousands separator (aka: a comma) every 3 digits because the numbers will be always huge. ex> df Filesystem ...
drenerd's user avatar
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2 votes
3 answers
5k views

Folder is empty, but du reports high usage

I have a 115GB partition on my hard disk (output of cgdisk /dev/sda is below): Part. # Size Partition Type Partition Name --------------------------------------------------------...
Farzad's user avatar
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2 votes
2 answers
3k views

Difference in free disk space - ncdu and df

I've noticed that there is a huge difference in free disk space for root by using "ncdu" or "df" for me: df -Th: dev devtmpfs 7,8G 0 7,8G 0% /dev run ...
sleepi's user avatar
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1 vote
2 answers
622 views

Unable to Detect Size of Brand new Hard Disk

I just purchased a 8TB hard drive today. I just put it in my USB enclosure. fdisk -l did see the device: Disk /dev/sdc: 1404.5 GB, 1404493455360 bytes, 2743151280 sectors Units = sectors of 1 * 512 ...
HCSF's user avatar
  • 165
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1 answer
147 views

Is there a way I can check which block of disk is really used?

I use df and du to check disk usage of centos,then I get different results from these tools. [root@localhost home]# df -Th Filesystem Type Size Used Avail Use% Mounted on /dev/mapper/...
Yvette Yu's user avatar
-1 votes
1 answer
591 views

What is the total size of your Linux installation and total partitions on the system?

I am going through the Linux documentation and trying to answer the following questions On which partition is your home directory? How many partitions are on your system? What is the total size of ...
Aravind R. Yarram's user avatar
1 vote
1 answer
3k views

Why does rm over NFS not free space immediately?

I'm on a SUSE Enterprise server which has mounted a drive via an NFS mount. I have created a 34GB file via dd if=/dev/Zero of=test_file bs=8k Count=4194304 to test the write speed of the NFS share. ...
Robert's user avatar
  • 139
2 votes
1 answer
3k views

Increase root disk space

New to Linux, I want to increase the size of disk space in fedora-root and it appears that theres ~16GB of available space in other filesystems. Is this a correct assessment? Below I provide the ...
TorusGenusTwo's user avatar
1 vote
2 answers
222 views

This is my `df -h` output. Why is my 256G SSD partioned into so many filesystems?

Filesystem Size Used Avail Use% Mounted on udev 63G 0 63G 0% /dev tmpfs 13G 139M 13G 2% /run /dev/nvme0n1p2 103G 22G 77G 22% / tmpfs 63G ...
Geert's user avatar
  • 171
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df hide ifree etc (GNU)

(analogous to https://apple.stackexchange.com/questions/263437/df-hide-ifree-iused-512-blocks-customize-column-format-dont-show-inode-info for BSD) How can I hide the columns beginning with i (iused, ...
Sridhar Sarnobat's user avatar
0 votes
1 answer
491 views

how to increase the space on docker in CentOS7?

How can I increase the space on this docker? I need to transfer 30G of images into this docker to do the image processing within the docker however seems I only have 2G available $ sudo docker pull ...
Mona Jalal's user avatar
1 vote
1 answer
2k views

Linux df command returns permission denied

Any ideas on how I can fix this, Im not sure it should return those results anyway... $ df df: `/var/named/chroot/etc/named': Permission denied df: `/var/named/chroot/var/named': Permission denied df:...
Jeffrey L. Roberts's user avatar
-1 votes
1 answer
3k views

Disk space usage per owner, group or user

I am writing a small tool in which I need to find per-user, owner or group File-system-memory-usage. There is no quotas for each one, so all of them works under the same HDFS parameters in the ...
TheStromp's user avatar
3 votes
1 answer
2k views

Parse df output by columns

I'm having difficulty extracting the Filesystem and Mounted on columns from the df ouput. $df -Hl Results in Filesystem Size Used Avail Capacity iused ifree %...
Dan's user avatar
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-1 votes
1 answer
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df says there is no free space, but there is free space

df shows there is no free space, but it also shows there is only 7,9/21G used. Filesystem Size Used Avail. Used% Mount path -> /dev/simfs 21G 7,9G 0 100% / devtmpfs 2,0G ...
Florian's user avatar
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1 answer
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Wrong available storage reported for mac os

The available space on my Macbook Air is not getting reported correctly. Hard disk capacity is 120GB out of which 17GB is getting reported as available space when I check HD info. When I see in ...
Ranjan's user avatar
  • 101
0 votes
0 answers
1k views

Why does the output of `lsblk` and `df -h` seem to conflict?

I'm trying to create a directory /mnt/data that will be mounted on to /dev/mapper/centos-home, since that's the biggest partition. The output of lsblk looks like this: NAME MAJ:MIN RM ...
Marcus Buffett's user avatar
0 votes
1 answer
54 views

Debian df - What are my partitions

I have a debian server hosted by Kimsufi. It has 2TB of HDD storage. When I run df -h on my server I get this output: Filesystem Size Used Avail Use% Mounted on /dev/root 20G 1.3G 17G ...
Vogon Jeltz's user avatar
0 votes
2 answers
1k views

du and df on Mac give different results

I'm trying to figure out where my HD space is going. df tells me this: bash-3.2$ df -h / Filesystem Size Used Avail Capacity iused ifree %iused Mounted on /dev/disk1 148Gi 137Gi 11Gi ...
Ronald S. Bultje's user avatar
0 votes
1 answer
79 views

System check : lsscsi Vs df

Runnning lssci I get 3 disks infos : $ lsscsi [0:0:0:0] disk ATA Samsung SSD 850 EMT0 /dev/sda [2:0:0:0] disk ATA VB0250EAVER HPG0 /dev/sdb [3:0:0:0] disk ATA ...
Romain Jouin's user avatar
1 vote
1 answer
185 views

How much disk space do I have?

I'm trying to find out how much disk space a system has, but df does not show the / filesystem : # df Filesystem 1K-blocks Used Available Use% Mounted on ...
mshani's user avatar
  • 41
9 votes
2 answers
13k views

why df vs lsblk command have different results?

so this is the situation: I had this hardDrive of 500GB, on my server and tried to upgrade it to a 2T HardDrive, after the upgrade result of lsblk has changed while df still returns same results. ...
nafas's user avatar
  • 519
15 votes
1 answer
19k views

Why might a partition show up in `mount` but not `df`?

If I compare this $> sudo mount | grep sdb /dev/sdb1 on /windows type fuseblk (rw,nosuid,nodev,allow_other,default_permissions,blksize=4096) /dev/sdb2 on /store type ext4 (rw) with this $> ...
spraff's user avatar
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4 votes
4 answers
5k views

Find availble disk space in unix without parsing `df` output

When I type df -k ., I get the following output Filesystem 1K-blocks Used Available Use% Mounted on /dev/sda2 16512936 8650196 7023932 56% / What I do is tail the last line and ...
Niraj Nandane's user avatar
-1 votes
1 answer
2k views

Is there something wrong with my disk partition?

# fdisk -l Device Boot Start End Blocks Id System /dev/sda1 * 2048 499711 248832 83 Linux /dev/sda2 501758 41940991 20719617 5 Extended ...
Bob's user avatar
  • 1
0 votes
2 answers
242 views

Where is my diskspace?

Recently my disk space reached the 98% mark, and I tried to discover the reason for this. My system consists of two disks: a ssd /dev/sda and a storage hdd /dev/sdb. My Linux is installed on /dev/...
dustin.b's user avatar
  • 101
1 vote
4 answers
11k views

df -l is showing 100% full but the file was removed

I got an alert that a local disk was full; dm@fooserv:/local/data/plog $ df -l Filesystem 1K-blocks Used Available Use% Mounted on /dev/mapper/rootvg-datavol ...
capser's user avatar
  • 129
2 votes
1 answer
238 views

df -h Size - User != Avail

When I run df -h I get the following Filesystem Size Used Avail Use% Mounted on /dev/sda3 809G 753G 14G 99% / But Size - Used is not even close to Avail (809-753 = 56 and ...
Noam's user avatar
  • 181
0 votes
1 answer
439 views

Disk usage increasing on its own

I am using ubuntu 13.10. I checked disk usage using df. Following was the result df --block-size=1 /dev/sda1 Filesystem 1B-blocks Used Available Use% Mounted on /dev/sda1 ...
tik's user avatar
  • 1
1 vote
1 answer
1k views

Linux Server out of Disk Space

When I run some commands I get 'out of space' messages. I looked around the Internet for ways to diagnose the issue. I ran df: adam@nas:/$ df Filesystem 1K-blocks Used Available Use%...
Adam S-Price's user avatar
1 vote
1 answer
3k views

Confused about df and lsblk commands showing different information?

$ lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT xvda1 202:1 0 20G 0 disk / xvda3 202:3 0 896M 0 disk [SWAP] $ df -h Filesystem Size Used Avail Use% Mounted on /dev/xvda1 7.9G ...
Cory's user avatar
  • 11
1 vote
3 answers
5k views

Get hard disk size without df

How to check a vendor's statement about a hard disk size? df shows results partition oriented (including tmpfs), one has to execute it and count label oriented. How to get in a single command or cat /...
Rodrigo Gurgel's user avatar
2 votes
0 answers
1k views

Raspbian: USB drive mounted and accessible but doesn't show on `df -h`

I have an USB drive connected to my Raspberry Pi running Raspbian. The directories on it are accessible using cd, ls etc. but the drive doesn't show up when running df. It however does show when I run ...
RUrlus's user avatar
  • 21
0 votes
1 answer
956 views

What are sparse files and how to deal with them?

When dealing with sparse files, df appears to report the dummy size and not the apparent size of the file which makes it difficult to monitor free space on the system. (I use df -h to check disk usage)...
kn330's user avatar
  • 123
1 vote
1 answer
3k views

Can I hide BIND mount points from DF?

Is there a formal way to hide the mount points of BIND from df (in CentOS 6.4) ? It's ugly and distracting. Apparently people have been complaining about it for a decade but I cannot seem to google ...
ck_'s user avatar
  • 1,905
3 votes
0 answers
217 views

Explaination needed for strange `df` and `du` results

Can someone help me to understand the following output: # df -h Filesystem Size Used Avail Use% Mounted on /dev/xvda1 8.0G 7.5G 167M 98% / udev 7.4G 8.0K 7.4G 1% /dev ...
smkengr's user avatar
  • 31
1 vote
1 answer
1k views

Missing space on hdd linux?

michaelxu@michaelxu-server:~$ df -h Filesystem Size Used Avail Use% Mounted on /dev/sda1 71G 65G 2.0G 98% / none 495M 224K 495M 1% /dev none ...
agz's user avatar
  • 8,308