Questions tagged [filesystems]

A file system (or filesystem) is a means to organize data expected to be retained after a program terminates by providing procedures to store, retrieve and update data, as well as manage the available space on the device(s) which contain it.

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how can i increase OS FS on CentOS?

we have CentOS server installed on 83GB FS size while the OS disk size is 480gb how can we increase the FS to use the whole disk (sda, 480gb)? [root@server ~]# df -kh Filesystem Size ...
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fsck last check for vfat and other filesystem (other than ext)

Is it possible to find the last check for vfat or other filesystem. since tune2fs can only be used for ext file system. Can someone address me with this? Advanced Thanks..
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LVM Resize Failing

Summary I'm attempting to extend partition with LVM on it and its failing... All Googles and Bings have failed so unsure where the issue lies. Here is what's happened so far. This is a virtual server ...
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Is there any Linux mechanism to emergency-flush filesystem buffers on power loss?

A common "gotcha" with computers can happen when power gets cut to the computer without warning. Because the system loses power suddenly, it doesn't have a chance to flush cached filesystem ...
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How do I figure out what is filling up my AWS EC2 file system? [duplicate]

Elastic Beanstalk is telling me that my root file system is 96% full. When I SSH into the EC2 instance and run df, I can see that my root file system is 7.95GB/8GB used: Filesystem 1K-blocks ...
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Is there a remote filesystem for Linux that's encrypted and resilient against unreliable servers?

I've tried many combinations of sshfs and SMB, with autofs and/or manual mounts in a Cron job, and I've always had freezing / long timeout issues when servers become unavailable or weren't available ...
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AIX 7.1/ AIX 7.2 filesystem not persistently mounted across reboots and appears corrupted

OS: AIX 7.1 / AIX 7.2 Arch: ppc-64 I have created a custom (non-root) volume group homevg bash-5.1# lsvg homevg VOLUME GROUP: homevg VG IDENTIFIER: ...
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how to delete a file by a inode in linux kernel

I got the inode of a file in linux kernel, I want to delete the file by the inode. Do I need to unlink every dentry of the inode? or do I need to unlink any dentry? Which locks should I use to protect ...
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Does number of static pages on a web server's storage affect it's performance?

Imagine Website A Running on server A has 100 Static Pages and Website B Running on server B has 1000000 Static Pages, Both use the same tech (Software, Hardware E.T.C.) to run. Does Server B use more ...
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Extend /var partition on Centos Stream 8

During the installation of my centos stream 8 OS I gave /var a size of 10GB thinking it would be more than enough, but after I started using docker I found of that it takes too much space on the /var ...
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How to enable password policy on readonly filesystem?

I'm using a read-only filesystem (squashfs). I've used the overlays file system to mount /etc directory. I can change the password using passwd command. I've included libpam & libpwquality ...
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File and Printer Sharing disable config

I disabled the File and Printer Sharing feature over the firewall on the windows server to which my abc.com website is connected. This server only hosts website and mail. When I ping abc.com on cmd ...
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Linux server power outage - data integrity and OS corruption checks

What are the best practice steps to check for / recover from potential Linux OS corruption, in the event of unexpected power outage (or VM host failure)? Of course it "depends" on the ...
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RHEL 7 extend xfs partition/filesystem size without affecting data?

Excuse me, I'm trying to enlarge space for a directory in a RHEL 7.5 host and the partition is not managed by LVM. This host is virtual machine and I would like to increase size for /home/ext to use, ...
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Cache basic files properties of a disk?

I have a large BTRFS disk on my Linux Samba server. The content of the disk is rarely accessed, so most of the time the disk is sleeping. When I need to check if to see basic properties, not the file ...
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Windows Server 2019 Domain Controller: the operating system partition grows until it is full

I have a Windows Server 2019 (Standard Edition) operating system whose partition runs out of space in a few days (C: has 100GB total) crashing the operating system. It works as a Domain Controller (DC)...
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xfs: difference between block size and sector size

mkfs.xfs has two following options among others: -b block_size_options This option specifies the fundamental block size of the filesystem. The valid block_size_options are: ...
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After deleting a big file the space isn't freed even after rebooting the system:

So I have that problem. The space hasn't been freed, either checking by GUI (Nautilus or Disks utility) or by TUI(df). I've read that it could be because another process was still handling the file ...
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Shrink one of the disks in a multi device BTRFS filesystem

My root partition is running out of space and I have no other SATA slots. I have a BTRFS raid0 and I would like to shrink one of the partitions I used for the BTRFS-raid0 and add it to the root ...
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How do you Defrag an XFS file system

My old workstation, has /var /usr and /home mounted on an xfs file system, and it seems to spend most of its time grinding away, and getting slower and slower, much like windows used to 20 years ago, ...
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Running xfs_repair on hardware raid while still rebuilding?

Should I allow a hardware raid5 array rebuild to complete after swapping out a drive PRIOR to running an xfs_repair on the volume? Currently xfs_repair keeps failing in Phase 7 at the same spot: Phase ...
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Why can't I ls a directory that I own and has the sticky bit set

Suppose I have directory /home/john/dir/, that has the sticky bit set. I am running as user john and the directory dir is owner by user john and group john. Why can't I ls -la the directory? Shouldn't ...
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Share files via a shared disc across multiple VM's running Ubuntu 18?

I am trying to share a single disk across multiple VM's (Ubuntu 18). The VM's are hosted in Azure and the disk is an Azure Managed Disk. I've attached the disk to both VM's and have mounted them. I ...
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Why is a filesystem created with mkfs not available immediately

Why are file systems created with mkfs not immediately available after creation? The following command line probably best describes what I'm seeing: /sbin/mkfs.ext4 /dev/sdc && lsblk -o uuid --...
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Delete files from /tmp/ CentOS6

I'm running Centos6 and inside mt /tmp/ folder I see these files drwxr-xr-x. 2 root root 4096 Jan 14 2016 fileinstall-1059639640221211034 drwxr-xr-x. 2 root root 4096 Jan 30 2021 ...
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Restore disk with btrfs

I need an assistance with restoring HDD where was BTRFS after I tried to install Windows on SSD within the same PC. So, my PC has 3 disks: SSD with Fedora under BTRFS - /dev/sda{x} SSD without any FS ...
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Mount remote file system permanently or not

From a web application I want to copy files in a directory in which there are a huge amount of files (this is an Azure container, by the way). I would like to know if I should mount the remote ...
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SOLARIS 10 ZFS, I want to add spare with rpool but it gives me this error "cannot label 'c1t4d0': EFI labeled devices are not supported on root pools"

#zpool status pool: rpool state: ONLINE scan: resilvered 8.09G in 0h2m with 0 errors on Wed Sep 21 14:10:40 2022 config: NAME STATE READ WRITE CKSUM rpool ...
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In SOLARIS 10 ZFS, I want Hot spare pool and want to associate its 1st disk with rpool and 2nd disk with the xpool. What will be the complete method?

enter image description here This is the Current two pools that I have, and now want to associate Hot Spare disks with it, so please help
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Any idea for shared files and code in Ubuntu server?

I have developed an Ubuntu server and work with a small team, developing code and sharing some other files we use for general purposes. By now we were working with Google Drive and was working fine ...
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Are there any distributed transactional filesystem implementations that I can actually use?

I've been searching for distributed transactional filesystems so I don't have to make my own subpar implementation. I've only come across two: Warp Transactional Filesystem - The website is no longer ...
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How to install Ubuntu on ReiserFS?

I prepared a drive for installing Ubuntu on it and formatted it as ReiserFS using GParted. But there is no ReiserFS option in the ubuntu installer, so I have to choose a different file system type, ...
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touch, why I get file name too long error

I have the file with name /home/lenka/Translations/Ф-119-Д/заключение об аннулировании, исправлении и-или дополнении акта о гражданском состоянии_рум-русс.docx echo -n "/home/lenka/Translations/Ф-...
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How suitable is a S3 backend for rsync operations?

I run a large server providing open source software (https://ftp.halifax.rwth-aachen.de), currently serving more than 30 TByte of data with Multi-Gigabit throughput. Data is synchronized and kept up-...
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Cannot delete a folder with undefined number (many) of files in it

I have a folder with many files inside, i can't known number of files because I can't do ls or other listing command. These files are temporary so I tried rm -rf my-folder but it takes too many time, ...
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Can I mksqashfs a whole Mint 20 OS then restore with unsquashfs on a different drive?

I have a very strict system with the bare minimum applications on for security reasons since I work with medical data. Sometimes the laptops we use messup for one reason or another, won't boot, can't ...
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fedora 35 : file with drive extension

I have a file with "drive" as extension in nemo workplace tab : I don't knoww what it is. It's got a random name at each boot like : o_____o_O_o______.drive" and I cannot do anything ...
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Data corruption after dmsetup suspend, reload, resume, and re-suspend

Consider the following series of events for a device-mapper crypt target, test, holding an ext4 filesystem. These three commands swap out the crypt target's table with a new (dummy) table. This ...
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Discover EXT4 (or other) Linux file system (e.g. bootable?)

I want to be able to identify whether some older SATA HDD's have Linux partitions. With the advent (and my fairly recent discovery) of Windows Subsystem for Linux (WSL) on Windows, I realize options ...
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List only writable subvolumes on a btrfs filesystem

Is there any way to list just writable subvolumes in a btrfs filesystem like the way we can list just read-only subvolumes using -r flag in btrfs subvolume list [path] (which gives all subvolumes ...
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Ubuntu 20.04 VM Corrupted Javascript files when installing NPM packages

I'm experiencing something weird on Ubuntu server 20.04, Its virtual machine running on XCP-NG 8. I tried several versions of nodejs 14, 16, 18 but nothing solves the issue I can't even install nodejs ...
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vgdisplay shows free extents but lvresize doesn't find them

I'm trying to grow a LVM logical volume, and resized the physical volume. Now, vgs shows free extents, but when I try to assign them to the logical volume with lvresize, it says 0 extents available. ...
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ln: failed to create hard link: Too many links

I have a pipeline on my server which creates a lot of hard links to big files. today I realized it fails and shows this error: ln: failed to create hard link to '/path/to/a/file': Too many links The ...
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How to recover file system (ext4) on raid5?

I have an ext4 file system on a raid5 array, /dev/md0 built from mdadm. I found it wasn't mounted after I reboot once. And I ran a fcsk on it but get a superblock error. So I was going to run mke2fs -...
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Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(179,0)

I'm trying to run orange-pi emulation with self-build linux kernel by this commands: ARCH=arm CROSS_COMPILE=arm-linux-gnueabi- make mrproper ARCH=arm CROSS_COMPILE=arm-linux-gnueabi- make ...
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Calculating the difference of size between fdisk and df

Say I have a 1TB SSD and I want to create a 400GB partition with ext4. So I use fdisk and mkfs to achieve that: #### fdisk #### sudo fdisk /dev/sdb # New primary partition, with partition 1 starts ...
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Convert Ext4 partition to an exsisting Btrfs volume

I recently installed Fedora on my laptop and I have my old /home ext4 partition (/dev/sdb2). I would like to convert then merge this partition with the btrfs filesystem. Here is my current setup : $: ...
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disk quota (using quota tools) of type "project" with an hard limit for root

I have a program that must run as root. I want to limit its disk usage by using quotas. I set up a project quota on the directory that said program uses for storage. It looks like that disk quota ...
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file system error during bootup

I am getting below errors through console of the linux machine. Welcome to emergency mode! After logging in, type "journalctl -xb" to view system logs, "systemctl reboot" to reboot,...
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Accessing Raw Data on DVR Formatted Hard Disk

I need to access the data stored on hard drive that was used in Lorex DVR system. The drive gets formatted by the DVR when installed. I am trying to mount that drive in Linux but to no avail. fdisk ...
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