This tag is for questions about hard disk space usage.

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1
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4answers
112 views

Bash script to list items in directory by size

How do I write a script that for each argument, the script should display the largest item in the directory along with its size. Something like this: [user]$ maxls /boot 2> /dev/null | sort -n ...
2
votes
3answers
830 views

How to monitor per user disk usage in Linux

I have local disk with 2T capacity attached to a host. Nearly 60 user home directories are stored on this disk. Currently no disk quotas are enabled. I need monitor the disk usage of individual ...
2
votes
2answers
556 views

Debian 7.6 OpenVZ VPS claims full disk usage when it's clearly not true

I have Debian 7.6 installed on an OpenVZ VPS with 10G hard drive space, but for some reason it claims 100% is used when I'm clearly not using that much. I ran df -h to find out the following: $ df -h ...
1
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2answers
34 views

DF output inconsistency

I moved about 12G files from Linux / partition (to a NFS directory), however it seems that the available size hasn't increased. Here is df result: Filesystem 1K-blocks Used ...
1
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2answers
51 views

du -sh ./* returning non-empty folders as 0 bytes

This may end up being a dual part question so bear with me. In the past if I want to see the size of all folders within my current directory, I would use the following: du -sh ./* When I do this on ...
1
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2answers
53 views

Disk usage in stat output and inode

Below is my stat output: [alankoh@SJOAM swap]$ stat myswapfile File: `myswapfile' Size: 2147483648 Blocks: 4194312 IO Block: 4096 regular file Device: fd03h/64771d Inode: 1179650 ...
0
votes
2answers
46 views

No space on the boot disk to update kernel

I have installed centos 7 on vmware and seem to have ran out of space on the boot drive. Is there a way to add more space without formatting the disk? [root@centos7 /]# df -h /dev/sda1 Filesystem ...
0
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2answers
54 views

What's the minimal disk usage of stripped-down Debian 7 installation on a VPS?

I don't have control over the installation of debian, it's a pre-built debian 7 image provisioned by the VPS provider. It consumes about 6.5GB of disk space 'out of the box.' Do you think it's ...
4
votes
1answer
547 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). ...
0
votes
1answer
417 views

Mounted Filesystems showing wrong details

I am using SLES 11 SP3. When I run df -lh in order to see mounted filesystems I get following results, which are correct: Filesystem Size Used Avail Use% Mounted on /dev/sdb3 9.9G 2.9G ...
0
votes
1answer
126 views

Help Deciphering Disk Usage. Where Did the Space Go?

The System An instance running on Amazon EC2 It is an m1.large EC2 instance The instance is running Ubuntu Server 12.04 LTS Here's What Happens... To begin, let's execute the following: ...
6
votes
0answers
108 views

Why is `du --apparent-size` sometimes off by more than 90%?

I'm working on a software that builds Pacman packages (which basically are tarballs with some special metadata files). The test suite builds some packages, then compares the resulting package to a ...
4
votes
0answers
79 views

Fixing terrible performance when watching/reading video and writing video files to disk

I have had this issue for quite some time and tried many times to fix it on my own and it always fails. IP schedulers, ionice and things like that always yield no result. I even went and bought an ...
3
votes
0answers
28 views

Can I determine the exclusive space usage of groups of btrfs subvolumes?

I want to free up some space in my btrfs filesystem by deleting some snapshots. But I cannot work out which ones would be effective to delete. This question's answer explains how to show the amount of ...
2
votes
0answers
52 views

tune2fs - how much space to reserve on large ext4 filesystem

I am aware that there are several questions concerning how much space to reserve on a filesystem using tune2fs -m, but some of the advice is contradictory, some seems to be relevant only to the ...
2
votes
0answers
69 views

df human-readable calculation

I was wonder why there is a difference between the reported size of a filesystem with df -h and calculating it manually. for example: The size according to LVM: # lvdisplay system/var | grep -i ...
1
vote
0answers
49 views

Siemens NX 10 installation: Could not determine filesystem containing /usr/ugs100

I debug script to install Siemens NX 10 applications for Debian 8.2, and get the warning: Could not determine filesystem containing /usr/ugs100 space calculations may be incorrect. The source ...
1
vote
0answers
34 views

Exchanging huge file trees between disks

I have two 1TB disks and a huge file tree on each. Each takes up about 85% of their disk. I want to swap/exchange the trees between disks. The only spare (USB) disk that big I have is nearly full. ...
1
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0answers
92 views

overlayfs root filesystem, cannot read /etc/mtab

I'm doing the following: mkdir /tmp/upper /tmp/work mount -t overlay overlay -o lowerdir=/,upperdir=/tmp/upper,workdir=/tmp/work / ls -l /etc/mtab > lrwxrwxrwx 1 root root 19 27. Feb 09:16 ...
1
vote
0answers
37 views

keep same inodes metadata with rsync or ignore metadata with du

I'm trying to synchronize two folders from a remote computer. I want to use rsync to send the folder, and du to check if the space used is identical on the remote computer. The problem is even with a ...
1
vote
0answers
316 views

No space left on device, with 320 GB free

I'm a bit lost. I have a 500 GB external hard drive with its original filesystem still in place. The last command (dd writing to a file within this filesystem) failed with "no space left on device". ...
1
vote
0answers
236 views

How to mount sdb directly or using LVM partitions on sda?

I am new to LVM and VM yet, and I need to be able to access sdb like /mybackup/ 1 - should I have sdb1 created then mount? 2 - should I mount sdb as whole disk without LVM? 3 - create lvm and than ...
1
vote
0answers
109 views

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

I have similar problem like unix.stackexchange.com/questions/37489/ btrfs filesystem show Label: none uuid: 3fdeaf6d-ca88-4cc8-8405-f882f02693f7 Total devices 3 FS bytes used 1.53MB devid ...
1
vote
0answers
118 views

What is the most elegant way to limit /tmp?

Recently I was struck by this tricky bug. In it, /tmp gets overflowed with symlinks until the system runs out of inodes. What is the best way to be sure that this can never happen again? I'd like to, ...
1
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0answers
227 views

Limiting the total size of samba's vfs_recycle by pruning oldest deleted files first

Running SerNet Samba 4.0.9 on CentOS 6.4 serving as an AD DC and fileshare for XP clients. Added recycler per the example here. My concern is that the recycle dir will eventually grow large. ...
1
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0answers
1k 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 ...
0
votes
0answers
38 views

Help me with C-shell Script: Disk checking

i am new in shell script. i have given a task to make a C-shell script. I have list of ip address and device name respectively. For example; cal 1 : 100.21.25.10 cal 2 : 100.21.25.11 cal 3 : ...
0
votes
0answers
75 views

MS Windows Folder Properties Size / Unix du -bs

I use MS Windows Folder Properties Size as a means to check the integrity of folders as I make copies, archives and backups. There have been multiple posts on the difference between the Unix system ...
0
votes
0answers
38 views

Using snmpdf on a linux or unix machine

After searching and thrusting many different tries into play, I cannot find a command or variation of one that will print results different from: $ snmpdf -v 2c -c inserted_tries here Description ...
0
votes
0answers
32 views

How can I figure out the size of a block on a busybox device?

This is the output of df on my little embedded device: # df Filesystem 1k-blocks Used Available Use% Mounted on rootfs 3008 3008 0 100% / /dev/root ...
0
votes
0answers
55 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 ...