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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Data Replication Approaches for Hot Standby Architecture
I'm relatively new to the world of storage & filesystems (please forgive me if I'm not using the correct language), and I'm currently researching ways to achieve a hot standby configuration -- i.e....
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Folders created by rsync on external HDD aren't visible, but can be 'cd'ed into
So I have a NAS where I put photos.
$ ls -l
total 161
drwx------ 1 david david 0 jul 5 2020 '2001 09 Republica Domicana'
drwx------ 1 david david 0 out 5 2021 2003
...
drwx------ 1 ...
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Enable BTRFS in kernel (running Rocky Linux 9.2)
I am trying to read an encrypted filesystem pulled from a Fedora 38 installation on Rocky Linux 9.2. When I plug the SSD in, it shows the following error:
I suppose that this means (1) the default ...
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Monitor web server directories for changed / new files
TL;DR: Is there an easy why to monitor directories for new/changed/deleted files?
Details: A simple WordPress website on a virtual server got hacked. Nothing too serious. No important project / data ...
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Domain-joined clients local Administrators group lost Domain Admins member: recovery possible?
On a number of Windows 10 clients joined to a Windows Server 2022 domain and after some serious GPO-related mishandling, the local administrators group contains only the (inactive) administrator. Is ...
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Azure NFS migration from on prem NFS
Context: We are working on a data migration project involving the synchronization of data between an on-premises NFS filesystem and an Azure NFS-based file share. The goal is to ensure a seamless ...
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High latency when using FUSE to pass through to tmpfs + swap
I'm creating a shim layer over an in-memory file system (tmpfs) so that I can intercept the file system commands and do extra processing (the end goal is to replicate the writes over the network for ...
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On linux filesystem becoming RO, how to reliably reboot?
When the main Linux partition becomes ro for some reason (errors), I am trying to
use cron job to check and reboot (so that fsck can run and attempt a fix), but I see that even the cron may not run!
...
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LVM: Creation difference between CentOS 7 and CentOS 6
I have CentOS 6 & 7 server and am creating 512 MB logical volumes:
CentOS 7:
sudo lvcreate -v -n lvname -L 512M rootvg && sudo mkfs.xfs -L "lvname" /dev/mapper/rootvg-lvnamee
...
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ocfs2_dlmfs file system not found while running tunefs.ocf2s command
While running the following tunefs command to enable the discontig-bg file system feature:
tunefs.ocfs2 --fs-features=discontig-bg /dev/drbd0
I receive the following error:
tunefs.ocfs2: ocfs2_dlmfs ...
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Is there any cli to detect directory changes between bash script runs?
For example I have this command
generate-and-deploy-new-version ./site-directory
and I want to run it only if content of the ./site-directory was changed.
if checkchanges "./site-directory" ...
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Mounting local and S3 storage to the same folder location?
Using Oracle Linux 8, I have a /usr/local/caplogs/logs folder which has logs from my services written to it constantly.
I have S3 storage, which I have attached to /usr/local/caplogs/logarchive using ...
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EXT4-fs error (device md0) in ext4_free_inode:357: Filesystem failed CRC
After setting up Raid1 Mirror on DNS server, now I am planning to go for a Debian upgrade from 10 to 11.
I was able to update the source.list file and perform apt update but when i do apt full-upgrade ...
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arch linux laptop not recognizing partitions or filesystems on internal windows SDA drive
I bought a laptop with windows 11 and installed arch linux on it. The laptop has 3 internal 500GB SSDs. Two of them are in a RAID configuration to make a single 1TB partition which Windows came ...
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How to mount glusterfs based san lun on another server and mount with ext4/xfs filesystem
I have one glusterfs based filesystem san lun with some data assigned to linux server and want to access that data on that server.
What are the possible ways to recover that data?
Tried to mount it ...
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Storing each file on separate physical drives for a single file volume
I am working with a bunch of really large files (>100 GB). As we often process multiple large files in parallel (e.g. 10-12), we think that it might be advantageous to have each file be stored on ...
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Is /proc/mounts file depracated?
I have been reading at several places that we should no longer refer to /proc/mounts and instead it is better to rely on /proc/self/mountinfo file. For example, see this question:
/proc/self/mountinfo ...
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File System Private download method not Writeable -Drupal
Giving File System error that it is not writeable or folder does not exist on Production Env
Drupal version - 9.5.9
Server we are using Amazon Linux2
I have added line in setting.php $settings['...
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What is the simplest way to set up shared/clustered read-write filesystem across servers?
What is the simplest way to set up shared/clustered read-write POSIX-compliant filesystem across servers where performance is not a major concern?
Suppose I have two Linux servers S1 and S2 and an ...
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How can I restore lost data after executing the xfs_repair command to forcibly clear log files to restore the file system?
I already know how to do xfs meta data backup. To repair the xfs file system, only the xfs_repair -L lv command is available. I will move the abnormal Inodes to the lost+found directory after I want ...
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Ubuntu/Apache: /tmp files unexpectedly removed
I'm losing files in /tmp on current Ubuntu (22.04.2), possibly related to virtualisation. Any insights appreciated. This is not a normal cleanup; the file is lost immediately.
I have two systems: a ...
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Kickstart %ksappend Filepath
I'm trying to modularize my kickstart file; in particular, I'd like the %pre section to live in a separate file brought in using the %ksappend statement. However, this consistently fails with the ...
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What's the difference between /dev/dsk and /dev/sda?
I was researching about block devices and character devices. I found an article that mentions how block devices are assigned as /dev/sd[a-z]. But then I read a different article that mentions how ...
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how to delete a xfs file system from logical volume (lvm2), to achieve the goal being this logical volume without any file system?
I have LVM RedHat 8 intall and there's one Volume Group there.
Fri May 19 [michal@Ora2 ~]$ sudo vgdisplay
--- Volume group ---
VG Name ol
System ID
Format lvm2
...
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Delete folders asynchronously
I have a large file system in which I have to delete certain directories from time to time. Currently I have a script which amongst other things, deletes a folder and subsequently generates an email ...
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How are files routed through the network when using a copy command with UNC paths as the source and destination?
Given a command like robocopy "\\UNC1" "\\UNC2" /E /MT:128 /R:0 /W:0 executed from a workstation.
Do files move like this
or more like
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Discrepancy in file usage after rsync
I copied files from an exFAT filesystem to an ext4 filesystem:
sudo rsync -avz /media/user/1TB-SD-EX/ -e ssh example.com:/data/pc/sd1tb
After successful run I check source and destination size with ...
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Storing 100 million files in the same "directory" under S3-compatible storage?
I have > 100 million image files (book covers) as a flat list of files under a single "directory":
/images/000000093e7d1825b346e9fc01387c7e449e1ed7
/images/...
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/dev/md0 - wrong fs type, bad option, bad superblock on /dev/md0, missing codepage or helper program, or other error
I recently had issues with a raid filesystem I created and had some bad luck.
I started creating a raid0 one one disk with the intent to expend it afterwards. I had data on two drives and had only one ...
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deleted files doesn't free up space on nfs volume
I would like to hear your suggestion on why space is not released after files deletion.
Jira application uses nfs volume as shared jira home. 12 gb indexes snapshot is created per hour (oldest one is ...
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RHEL + what could be the reason that FSTYPE not defined from lablk , in spite filesystem was created on disk in the past
I want to share the following very strange behavior , that for me it's not make sense but its a a fact on our production RHEL 7.2 server
disks are VMDK
from df -h we can see the following:
sdb ...
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Borg asking for key file when upgrading unencrypted repository
Evening,
So i have an unencrypted borg backup repository which im trying to upgrade. The problem is, when running the borg backup command borg replies with "no key file found for repository"....
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Windows Images created with dd cannot be restored
I used a live USB Linux system to create images of Windows Installations (Win 8 and 10) on hard drives like this:
dd if=/dev/sdb bs=64k conv=noerror, sync | gzip -c > /dev/sdc1/win.img.gz
However,...
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Linux file system(s) with ACID guarantees? [closed]
What could I do, to obtain a Linux file system, with the same guarantees as ACID guarantees for databases?
It seems file systems haven’t advanced to this point that I had assumed would be industry ...
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Copied data to LVM-Thin pool by mistake
I'm here today because of a big mistake that I have made.
I created an LVM-Thin data pool (and not on a LVM-Thin LV) on my Proxmox server and (don't ask why) ran a mkfs.ext4 on the pool then mounted ...
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Expanding XFS file system from another device?
I have two virtual devices on a fedora system. Both are in a raid 5 configuration. No LVM is in place. The system it’s self is installed on one of the devices. That same device is also the one with ...
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Permission for Users group successfully modified via code, but change is not reflected in Security tab for the Users group
I have C# code (at the end) which:
Creates a file
Prints the current ACL
Gives the builtin users group "write permissions" to the previously created file
Prints the current modified ACL
...
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Creating a ramdisk with lvmvdo persistent across reboot?
I am trying to create a persistent ramdisk with lvmvdo with the below unit file but it does not seem to work.I have not added the --type vdo option to the lvcreate command yet ( this is for RHEL9 )
[...
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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 ...
