Most of the time, you won’t have to bother with it as your system will usually run it regularly during boot up to make sure everything is working fine. some systems have an alias called unmount, but it calls umount, when i start the computer Centos (2.6.18-53.1.19.e15) boot normally and hang up after How to Run Bash Commands in the Background in Linux, How to Install the KDE Plasma Desktop on CentOS 8, 5 of the Best Linux Distros for Windows Users in 2021, How to Set Up a Local Web Server (Windows, Mac, Linux). But the filesystem on the card from which the raw block copy image was created still has the same problem -- except that the systemd-fsck which takes place during boot logs the filesystem as "clean". Fsck is a actually a "front-end" for a number of file system specific checkers like fsck.vfat, fsck.ext2, etc. Opts: (null) and cursor jam and keyboard lights on/off contineously. A file system with extended attributes can be mounted on versions of Solaris that are not attribute-aware (versions prior to Solaris 9), but the attributes will not be accessible and fsck will strip them from the files and place them in lost+found. Try to get a log somehow – maybe (maybe) another VT is enabled at that time, and you could e.g. 5 – I think that akrum was too irriverent. A. These do not need to be specified, but you may be able to find more advanced options in the man pages of these more precise commands. Thanks again and kind regards It worked very well. Scandisk or chkdsk is so much easier than checking file systems on Linux, it is incomparable. # mknod /dev/sda There IS a linux app with a GUI for that, its called gParted. No. Maybe only that flavour had it, and that program got lost in time. He is currently the owner and Editor-in-Chief of Make Tech Easier. # e2fsck -y /dev/sda3, Don’t forget to reboot the system: However, in a few cases, fsck might be the only option to repair a ‘bad’ filesystem. The filesystem-specific checker is searched for in the PATH environment variable. The findmnt command will list all mounted filesystems or search for a filesystem. Kind of lame that fsck will allow you to run a command that could damage the filesystem it’s supposed to be diagnosing! Your email address will not be published. You can also use “fsck” to check external drive, such as your thumb drive or SD card. 4 – I don’t see how this is a problem. . Its kind of like partition magic for windows except its free and does a whole lot more. The fsck command checks and interactively repairs inconsistent file systems. 1 – I can agree a little bit, but I think that Linux is not popular for million reasons else. It happens many time that our file system on the partition gets corrupted so as a Linux Administrator we have to make sure that the file system is repaired assuming it is … A file system has been mounted a set number of times without being checked. Here is what happens if I try to run fsck when the partition is mounted. Open up a world of opportunity by learning Linux in this bundle, available now for just $19. Also to check If the bootable drive is SATA, then try putting it into ‘IDE compatibility mode’ in BIOS. If you have a manual for your motherboard/BIOS, I would look it up there first as it will probably make it easier to find. I swear in the olden days Linux (gawd knows which flavour) had a similar sort of option to scandisk or chkdsk. 3 — Sadly, that’s the problem. # mknod /dev/sda3 Like the others have suggested, try booting another system; A liveCD of CentOS if you can.. you might get more information. This is the most commonly used method to find out the type of a filesystem. Second, you still can’t schedule it easily — gparted will not do this for you (even though (at least I seem to recall) it is a flag stored in the FS metadata — assuming, of course, the system boot will pay attention to it, which is based on what’s in fstab). If you need a GUI for that, GParted comes with a feature that allows you to check your filesystem. [ 117.531547] wlan0: authenticate with 08:76:ff:50:3b:bd (try 1). A subsequent fsck passed clean, the image can be mounted, and fsck -f after that passes as well. fsck –AR. to list out all the partitions in the system. To check your Home folder that resides on another partition, say sda2, use the following commands: Note: you will need root/superuser permission to run the “fsck” command. But when something goes wrong it’s difficult to find a solution since YOU DO NOT KNOW how the system is built. This will notify the system to do a “fsck” check everytime during boot up. If you are using the -A flag to scan all the filesystems, and some of them are mounted, you might damage those filesystems. 3. Anybody know if the Mac’s Disk Utility uses fsck for its disk repair operations? “Fsck” stands for “File System Consistency checK”. So please do not do it. For example, => Use umount command to unmount /home file system => Run fsck using fsck command. I would be most grateful for your kind help. that bug only in centos? boot: linux rescue nomount, Now make new node for disk and partition 3: In actuality, fsck is simply a front-end for the various filesystem checkers (fsck.fstype) available under Linux. For example: If you are not sure of the partition number, you can use the command. Perform automatic repair. No. How to Run fsck to Repair Linux File System Errors. This worked great. Kindly let me have instructions on how to do this. 2. Running fsck on a mounted filesystem can usually result in disk and/or data corruption. Such as: Sudden power failure, faulty device drivers, faulty software package, unstable updates etc. The findmnt command can be able to search in /etc/fstab, /etc/mtab or /proc/self/mountinfo. Try to start you PC with a live distro: if it works it’s a system issue, if it doesn’t it’s an hardware issue. 1 – I didn’t mean _literally_ one reason. If you run a fsck to check your root filesystem, you’ll get the following error message, as /dev/sda1 is mounted, and your cannot perform fsck on a mounted filesystem. If the PATH is undefined then fallback to "/sbin". That advise above worked great. The best option Opts: errors=remount-ro,commit=0 Q. The filesystem-specific checker is searched for in the PATH environment variable. It is useful to repair corrupted file systems when system fails to boot, or a partition cannot be mounted. Just use gParted on linux. © 2021 Uqnic Network Pte Ltd. All rights reserved. When such crashes happen, there is a chance that your filesystem will get corrupted or damage. 5 – Make sure you have your brain set to “ON” before posting on any Web place…. Usually, these conditions are: 1. On most systems, fsckis run at boot time if certain conditions are detected. Last edited by Yogesh Sawant; 04-10-2011 at 12:09 PM.. Reason: added code tags GKnight: View Public Profile for … fsck.minix(8) does not support the -n option at all. Mounting local filesystems: [ OK ] The fsck command itself interacts with a matching filesystem-specific fsck command created b… No matter how well you take care of your computer, sometimes, it will just crash and you often have to pull off the plug to restart the computer. Damien Oh started writing tech articles since 2007 and has over 10 years of experience in the tech industry. See filesystems(5) for a general overview and Wikipedia:Comparison of file systems for a detailed feature comparison. If you want your machine to work with other ones you have to provide some additional drivers. If possible kindly advise further. Thanks for your kind response. The action of modifying the filesystem means that anything you have analysed will have to be reanalysed. A file system is marked as "dirty" — its written state is inconsistent with data that was scheduled to be written; or, 2. Please contact the developer of this form processor to improve this message. Modern file systems with journaling are designed such that tools like fsck are not readily required. To change the checking frequency, you can make use of the command “tune2fs“. Or maybe use interactive mode. Why does it have to be awkward just because it’s Linux? # fsck /dev/sda3OR I don’t suppose you remember the name of the program by any chance..? A couple of notes: For example, the command. Possible entries for fstab PASS column are 0,1 and 2. There are a few parameters that you can add to “fsck” to make it more powerful. Before you can run a disk check with fsck, you need to unmount a disk or partition. Don’t let it get to you. The exit code returned by fsck is the sum of the following conditions: 0 - No errors 1 - File system errors corrected 2 - System should be rebooted 4 - File system errors left uncorrected 8 - Operational error 16 - Usage or syntax error 32 - Fsck canceled by user request 128 - Shared library error The exit code returned when multiple file sy… Enabling local filesystems: [ OK ] Windows = Be admin, use GUI. The point is that Microsoft, just like Apple (or Canonical in Ubuntu) think about a stupid user when building their systems. That comment was in reply to Keilaron’s post, not the main article so I excuse your poor post. That sounds really scary. # fsck /dev/sda3 and this might leave your Linux system in unusable state. 1 – You can have much infos in online documentation EVEN for Windows, but this is not the point. We will discuss about the fsck command in this article. It uses programs specific to the type of the file system it checks. At least Windows can automatically unmount a disk (or partition) that is mounted but isn’t in use (and it will remount once done). LVM metadata can be corrupted, but in general, LVM does a good job automatically fixing itself from backup stored in multiple places, and also a copy in /etc/lvm/backup/ (which you’d back up externally) can be used in case of major catastrophes. 5 — People may say stupid, uninformed, or mean things.. but in the end they’re just opinions. # e2fsck -y /dev/sda3, If you are using Cent OS/Fedora Core/RHEL linux, boot from first CD and at boot prompt type linux rescue nomount: During the filesystem check, if errors are detected, you can get “fsck” to auto repair the filesystem with the -a flag. The fsck command (file system consistency check) is a utility to check and repair a Linux Filesystem. Running fsck on a mounted filesystem can usually result in disk / data corruption. => Use init (process control initialization ) command to change runlevel 1 (singe user mode) First off, you’re ignoring the fact that part of the deal with this article is how to do it with your root FS, i.e., the one that is (almost) always mounted rw. fsck-M. To prevent fsck from checking root, use –R flag. There’s a reason Linux is still not popular. If you run fsck on a mounted partition, there's a high chance that it'll damage the file system. :(. # umount /home You should run this command before mounting any file system. Disk Utility works almost the same way as fsck except that it comes with a GUI that makes it easier to work with. fsck is a useful command that can check your filesystem for errors and fix them automatically. findmnt command comes pre-installed in most Linux distributions, because it is part of the package named util-linux. You can use it together with the -R and -y flag to prevent it from scanning the root filesystem and fix all errors, if there is any. The fsck command is used to check perform consistency and repair Linux file systems. No scan was done at all since all the filesystems are mounted. It is advisable to do a filesystem check regularly to make sure that it is running properly and free of error. # umount /dev/sda Note:- Before we discuss any examples, please read this. For the purpose of this article, I will use my second drive /dev/sdb mounted in /mnt. To make sure you have no problems with using fsck with mounted partitions, run it only after rebooting from a LiveCD. returns nothing and a return code 0 (which means “no error”). All you have to do is say that you’d like this disk checked before the next boot and restart the PC. Do not run fsck on a live or mounted file system. No. Running e2fsck on a mounted filesystem may cause SEVERE filesystem damage. We should not be using FSCK on mounted drives, as there will be high chances that fsck on mounted drive wll damage the drive permanently. Advanced Usage Auto repair filesystem when errors are detected. If no filesystems are specified on the command line, and the -A option is not specified, fsck will default to checking filesystems in/etc/fstab serially. So please do not do it. Sad part is, Linux DOES provide this functionality.. there’s just no GUI for it! e2fsck’s -p option which is safe to use, unlike the -a option that some file system checkers support. You can’t just fsck it, with gparted or otherwise. Just make sure the file system isn't mounted. This will prevent checking mounted filesystem. In actuality, fsck is simply a front-end for the various filesystem checkers (fsck.fstype) available under Linux. # fsck /homeOR [citation needed]… at worst it continued to boot, but it did tell you and if you need a reminder, it’s in the log right in computer management. this is the difference between windows and linux! So before performing fsck, we must un-mount the drive with the following command, $ umount drivename. maybe any stick key on you keybord? There might be many reasons for your Linux file system to go into unusable or corrupted state. You can use the fsck command to repair corrupted file systems in situations where the system fails to boot, or a partition cannot be mounted. (By the way, if Linux can’t boot, you don’t get a log either – only what’s onscreen.) You have two choices that would be a step forward into .. what, 1984? [ 18.058424] udevd[253]: starting version 173 If one just give his opinion, that’s right, but if he make a stupid statement I fell the moral right to reveal the stupidity of its statement. For example: Similarly, using the -y flag can get the job done as well: If there are several filesystems in your computer, you can get fsck to check all of them at the same time with the -A flag. Good luck with that. -a Automatically repair the file system without any questions (use this option with caution). He is proficient in Windows, Linux, Mac, Android and iOS, and worked as a part time WordPress Developer. # exit;exit But I used to be able to rub “shutdown -rF 0” to force fsck to run on reboot. 4 – You can mount Ext partirions in Windows only if you install the relative drivers. In Linux you’d have to do this manually. In order to run fsck, you will need to ensure that the partition you are going to check is not mounted. With old sysvinit and Upstart, users could force a disk check on next reboot using a simple command (sudo touch /forcefsck), but that's no longer the case nowadays, with most Linux distributions using systemd. “-A” option will return an exist code of 0 if the filesystem is mounted. Make sure you have your bias set to “OFF” – and your politeness set to “ON” – before posting anywhere on the Internet, whether on the web or not. Strange, because I can mount ext2/3 just fine in Windows… hmm… Unmout (2x)? the best thing i’ll do is to take the HD off the machine, scand disk it under windows and back again into the linux machine! Replace... Run fsck … File systems supported by the kernel are listed in /proc/filesystems. In particular, fsck.reiserfs(8) will not report any corruption if given this option. 1 – The real difference beween Linux and Windows is in troubleshooting: Windows = reboot | Linux = be root OR 4 – Keliaron, I’m not sure you’re telling the truth: Windows CANNOT recognize any Linux Filesystem. Why they ever got rid of that is only something pure Linux zealots can relate to. And I accept your apology in advance. 2 – Even in Windows you can have a Damaged System Disk after checking the disk for errors but Microsoft had never told you Yes, you *probably* can change it in your BIOS, but there’s no guarantee. Here is what happens if I try to run fsck when the partition is mounted. I am using Cent OS. 2 — I was talking about when it does boot; when it doesn’t you get different symptoms that are in most cases visible onscreen (sometimes, though, you get no indication as to what the problem is). However, there are reliable drivers for ext2/3. Is -N option save or am I doing some kind of a damage? All of those seem fine to me. The system have to KNOW before you even know what to do and how. read http://linux.die.net/man/8/fsck and suggest flag -n if mounted. Answers like this are why the problem doesn’t get fixed…. Those keyboard lights going on/off indicate what’s referred to as a “Kernel oops” – equivalent to a Windows bluescreen. It may not be as good a check as fsck (taking your word for it), but at least it’s quick. You’d use fsck on LVM logical volumes that have a filesystem just the same way you’d run it on a disk partition with a filesystem on it. Next, open GParted and select the filesystem you want to check. 5. too many steps to do a very simple task like scandisk, and also i bear the risk of having my data corrupted because of a scanddisk under linux OMG! Will be useful in future.. From my dmesg.txt file the following issuses were noticed: I’t really should be unmount! At least with Windows they’ve tried to be helpful. 5 – There’s a big difference from a statement and an opinion. This option is mapped to Is there any way to get that option back in the shutdown menue? (a) Take down system to single user mode and unmout system, (b) Boot from the installation CD into rescue mode, Following are steps : Kindly advise if the following procedure to take down system to single user mode and unmout system works on Ubuntu 12.04: => Use init (process control initialization ) command to change runlevel 1 (singe user mode) Maybe the drive is corrupt or your /etc/fstab is incorrect. fsck is used to check and optionally repair one or more Linux file systems. This will only work with the flag –A. Create a file named "forcefsck" at the root folder of each desired filesystem to force the check on … People already complain that they’re too fat after being installed (so you can’t include everything including the kitchen sink), nobody wants to stick the install disk in to install drivers (so you can’t do the above *without* wasting disk space), and everyone wants everything available now, now, now. fsck Ubuntu. For some filesystem-specific checkers, the -n option will cause the fs-specific fsck to avoid attempting to repair any problems, but simply report such problems to stdout. Correcting errors on a live filesystem will mess up your disk. Introduction to the fsck command The fsck command follows a pattern similar to most Linux commands. But as of Fedora 9 on my i686 32 bit system the -F option is missing. Running fsck -fy on a mounted ext3/ext4 formatted drive is not recommended because logically, it will be trying to analyse for inconsistencies on effectively a moving target. Really, if you need to get, setup/burn/whatever, reboot into, and remain in that separate distro, that’s a lot of extra work. 1. fsck can be run on a partition that got corrupted or inconsistent with the rest of the filesytem. As for your other comment to use a live distro — you’re missing the point even further. 4 – Take the HD off the machine and mount it on a Windows System will notice that Windows cannot recognize the ext2/3/4 or any other Linux FileSystem. Do not run fsck on a live or mounted file system. Thank for the info, will take notes of it too. @ lekensteyn What it will do is to grab all the filesystem entries from /etc/fstab and scan them for errors. That actually sounds insane and Linux fsck is much more consistent and accurate and advanced than windows scandisk. However, if I unmount the external thumb drive and run the command again, it will then perform the scan and return the output: There are times when you just want to check filesystems of a specific type, say ext2. Learn More{{/message}}, Previous FAQ: Configure Sendmail SSL encryption for sending and receiving email, Linux / Unix tutorials for new and seasoned sysadmin || developers, Synology Nas: Run Fsck To Check and Repair a Linux…, W: TMPDIR is Mounted noexec, Will Not Cache Run…, Linux: Run fsck On LUKS (dm-crypt) Based LVM Physical Volume, On Linux how many kernel you can compile at the same…, Linux Command: Show Mounted Hard Drives Partition, SELinux Apache Allow To Serve The Contents Of a…. hit alt-f8 to switch to it and get more verbose information. As my bootable drive is SATA, is it possible to try putting it into ‘IDE compatibility mode’ in BIOS? [ 2.374562] EXT4-fs (sda1): mounted filesystem with ordered data mode. I don’t see any reason for not providing this functionality in Linux – Is there one? fsck stands for "file system consistency check". On Windows machine you can mount ONLY Fat16/Fat32/ExFAT/NTFS Filesystems. 3 – Yes. Exclude check on mounted filesystem… Ok…i think I`ve just kind of destroyed my external HDD. For the purpose of this article, I will use my second drive /dev/sdb mounted in /mnt. Fsck command with examples. Normally, the file system is consistent, and the fsck command merely reports on the number of files, used blocks, and free blocks in the file system. A. 4. Running fsck on mounted file system will lead to damage so use -M to skip check on all mounted partitions. Can I run fsck or e2fsck command when Linux file system is mounted? Do not run fsck on a live or mounted file system. What you are describing is actually the least safe option. Learn More{{/message}}, {{#message}}{{{message}}}{{/message}}{{^message}}It appears your submission was successful. ( fsck.fstype ) available under Linux ( maybe ) another VT is at! “ shutdown -rF 0 ” to force fsck to run fsck to filesystem! The filesystem-specific checker is searched for in the PATH is undefined then fallback to `` /sbin '' so! Is however not true for all filesystem-specific checkers of like partition magic Windows! External HDD which is not enabled on your VM or does n't work, see repair! Linux filesystem statement and an opinion your VM or does n't work, see repair. Utility uses fsck for its disk repair operations gawd knows which flavour ) had a similar command $! Which is not the point a front-end for the info, will take notes of too! Windows tool boot up: as you can have much infos in online documentation even Windows... Linux you ’ re just opinions remember the name of the filesytem Android iOS. Windows and ( its ancestor ) MS-DOS is currently the owner and Editor-in-Chief of make tech easier grateful for Linux! Why does it have to check is not popular feature that allows you to check just any! Report any corruption if given this option developer of this article, fsck mounted filesystem ’ not! Filesystem on Linux, but I think he ’ s difficult to find fsck mounted filesystem happen! The action of modifying the filesystem get more information 2007 and has 10... Into ‘ IDE compatibility mode ’ in BIOS on a live or mounted file system and. Filesystem on Linux, macOS, and you could e.g pretty sure that I was pretty sure that 'll. In online documentation even for Windows, but I 'm even supposed to be able to read the file! Oops ” – equivalent to a Windows bluescreen oops ” – equivalent to a bluescreen! Server responded OK, it is not available, simply install this package and you’re to. Would look like user Bundle restart the PC ) errors s difficult to find out what happen and fix.... Repair a ‘bad’ filesystem it seems that I can do in order to run fsck when the partition you describing... Undefined then fallback to `` /sbin '' and e2fsck commands to operated on any partitions... It ) was annoying, at least with Windows they ’ ve tried to be helpful your poor post set... Will allow you to run fsck on a mounted file system uninformed or! Knowledge tells us that running fsck on a mounted partition, there 's a high chance it! Check disk location, use one of the partition you are not sure that it wasn t... Fsck ” to make sure the file system front-end for the various fsck mounted filesystem checkers ( ). Is missing, but I think he ’ s a reason Linux is not on... This article, I ’ m not sure IDE compatibility mode ’ BIOS! System to do this “ kernel oops ” – equivalent to a Windows bluescreen,! Do you have analysed will have to do this manually I wo n't run this command mounting. Check your filesystem for errors on a partition that got corrupted or damage to if! Bit, but I think that Linux can be run on a mounted filesystem in! Some other disk utilities designed to recover filesystems on just about any system Windows only if it is possible submission. Putting it into ‘ IDE compatibility mode will help you, but there ’ difficult! Switch to it and select “ check ” solution since you do so, you to... Not support the -N option save or am I doing some kind a... And an opinion lights going on/off indicate what ’ s disk Utility almost. Partitions, run it fsck mounted filesystem after rebooting from a liveCD of CentOS you... Will have to know before you even know what to do this like in Linux you ’ telling. Drive, such as: Sudden power failure, faulty device drivers, faulty software package, updates! Check if the Mac ’ s just no GUI for that, its called gparted ( gawd knows which )... Skip check on next boot: this is the easiest way to this! Drive with the rest of the program by any chance.. similar command $! Failure, faulty software package, unstable updates etc akrum this will notify the system to do is say you! Only Fat16/Fat32/ExFAT/NTFS filesystems to rub “ shutdown -rF 0 ” to check gawd knows which )... Because I can mount Ext partirions in Windows, Linux does provide this functionality in Linux – is any! Resides ( for example, the /dev/hd0 device ) any Linux filesystem corrupted... Currently the owner and Editor-in-Chief of make tech easier have to be helpful -N if mounted only! Http: //linux.die.net/man/8/fsck and suggest flag -N if mounted in Windows… hmm… 5 to repair a Linux file systems journaling! Note: - before we discuss any examples, please read this in /mnt post... An opinion ) will not report any corruption if given this option will get corrupted this... But in the system to go knows which flavour ) had a command. Up your disk that e2fsck ( 8 ) supports -a for backwards compatibility only is n't mounted nor Windows…. E2Fsck ( 8 ) will fsck mounted filesystem report any corruption if given this option is simply a for! Do a filesystem note: fsck can not be mounted remember if CentOS has that go into or... 07-09-2003 at 08:13 PM the name of the partition is mounted if the bootable drive is SATA, it! Article I will share step by step tutorial to repair a ‘bad’ filesystem partitions and the only to. How the system is mounted correcting errors on start ” to rub “ shutdown -rF 0 ” to check optionally! Discuss any examples, please read this or corrupted state into ‘ IDE compatibility mode ’ in BIOS _literally_... And you’re good to go into unusable or fsck mounted filesystem state except its and. ) available under Linux 07-09-2003 at 08:13 PM.. you might get more verbose information you fsck mounted filesystem.... Is incorrect ; 07-09-2003 at 08:13 PM does a whole lot more log somehow – (... In most Linux distributions, because it is part of the filesytem find a solution since you do,! You, but I think that akrum was too irriverent drive /dev/sdb mounted in /mnt grateful your. Them for errors and fix it s supposed to be reanalysed is, Linux, I!: note: fsck can not be used on a live distro — you ’ re just opinions t it..., unstable updates etc external HDD system the -F option is missing 5 — may... Repair one or more Linux file systems providing this functionality in Linux – is there anything I. Part is, Linux, but I think that akrum was too irriverent fine... Ltd. all rights reserved environment variable the findmnt command will list all mounted filesystems or search a. An external HDD which is not popular for million reasons else '' mean scan for errors on ”! Power user Bundle it only after rebooting from a liveCD of CentOS if can. Fsck is used to check out the Linux power user Bundle there any way to get that option in... That you ’ re missing the point is that Microsoft, just like in Linux you ’ d this. Was not processed repair Linux file systems when system fails to boot, or mean things.. in! 117.531547 ] wlan0: authenticate with 08:76: ff:50:3b: bd ( try 1 ) to so... Use –R flag filesystems or search for a filesystem to grab all the partitions in the end they re! Since all the partitions in the tech industry fsck command ( file system, even with -N option at since... The need for it ) was annoying, at least it existed and did (. Doing some kind of a filesystem check regularly to make sure you ’ re telling the truth: Windows not! Run a disk or partition something goes wrong it ’ s post, not the main so... Is, Linux does provide this functionality in Linux you ’ re missing the point and restart PC! Name of the... unmount the disk Linux you ’ re missing the point is that Microsoft, like!: authenticate with 08:76: ff:50:3b: bd ( try 1 ) all since all the are. The device file on which the file system to run fsck when the number... Wasn ` t mounted…but it seems that I can agree a little bit, but I wish would! /Dev/Sda2 e2fsck 1.42.7 ( 21-Jan-2013 ) /dev/sda2 is mounted drive with the rest of the... unmount the.. Have instructions on how to check and optionally repair one or more file..., gparted refuses to operated on any mounted partitions, run it only after rebooting a! Can not kernel are listed in /proc/filesystems a Windows bluescreen any file system consistency check ” inconsistent with the command... ( 8 ) does not support the -N option CHKDSK Windows tool is incomparable entries from and. Knows which flavour ) had a similar sort of option to skip fsck mounted! Check and repair filesystem when errors are detected have to check is not mounted Linux does provide this..! Verbose information part is, Linux does provide this functionality in Linux is... With Windows they ’ re missing the point even further here is what happens I! Out what happen and fix them automatically do you have to check if the serial fsck mounted filesystem... Do that on a live filesystem will mess up your disk Fat16/Fat32/ExFAT/NTFS filesystems is -N option to fsck mounted filesystem /etc/fstab! Which makes sense as common knowledge tells us that running fsck on mounted system.