Fsck Repair

User is always prompted when there is more than a single approach to fixing a problem. So before someone runs fsck with the option "-o nolog", please mount the fileystem as readonly and make a full backup first. We use our own and third-party cookies to provide you with a great online experience. However, many users have encountered an issue while using this utility, which is "Startup Repair cannot repair this computer automatically". fsck: 0507-149 Duplicate block references have been detected in Metadata. To repair a file system in HPUX # fsck -F vxfs -y -o full /dev/vg##/lvol#-or-# fsck -F vxfs -o full -y /mount_pt. y - always attempt to fix any detected filesystem corruption automatically; f -force the check, even all seems ok; v - verbose; repeat command for all affected volumes; reboot and enter BIOS; switch boot order to initial (HDD first) watch the results. fsck requires to unmount the partitions. A log is being saved in /var/log/fsck/checkfs if that location is writeable. And then you can force it to stay read-only as i have explained above. - It comes from "util-linux-ng-2. I had tar'd the. /dev/sda1: Unxepected Inconsistency; Run fsck MANUALLY. No problem. oh well, whatever keeps. GRUB2 (the GRand Unified Bootloader version 2) is a replacement for the original GRUB boot loader, which is now referred to as "GRUB Legacy". UUID=8868abf6-88c5-4a83-98b8-bfc24057f7bd or LABEL=root). RECOVERY PROCEDURE To diagnose and fix the problem, you will need to run fsck (file-system check) on each file system which causes problems. Shadow just to fsck with our minds). IBM HMC Filesystems to run fsck mannualy - SOLVED and EXPLAINED Ok, we have IBM pSeries 570 9117-MMA servers managed by HMC version V7R3. Feb 24, 2016 · In this post we will see how to set those settings which will help us to fix file system errors at boot time without manual intervention. How to Fix File System Issues with Fsck. Fsck can be run in one of two modes: Interactive mode is where fsck scans the file system and, at each error, prompts the user to correct or continue without making changes to the file system. repair=yes is already there; these are not the same thing. repair=preen". ] table_name [ DRY RUN ] Remove the file entries from the transaction log of a Delta table that can no longer be found in the underlying file system. You want the id under the IDENTIFIER column, it should look like disk1s1; Run sudo fsck_exfat -d. how to fix (fsck) a root file system 5 linux. When it comes to checking and repairing Linux filesystem, fsck is a useful tool. This is the home page for the e2fsprogs package. But if they don’t get it done for you, you might want to turn to one of the big guns: fsck. /, /usr, /home). fsck est un programme en mode console. Please note that fsck is not designed to pass arbitrarily com- -a Automatically repair the filesystem without any questions (use this option with caution). due to incomplete flushing of buffers. 1c released posted by fsck, Thu 11 Feb 2010 10:29:00 PM UTC - 0 replies. It's still a beta release, so there are some rough edges, but it provides easy access to various tools using its wizard, Rescapp. The following was seen on AIX 5. I found several articles about using fsck, but until I found your site I hadn’t seen anything telling me how to find where the Superblock backups are stored. 5, they had a power outage during the night which got their full virtual infrastructure down including storage (Not sure what the story with their UPS/Power generator). fsck corrects innocuous inconsistencies such as: unreferenced inodes, incorrect link count of inodes, missing blocks in the free list, blocks appearing in the free list and also in files, or incorrect counts in the super block, automatically. Disks are normally checked at boot time with fsck -p which examines all local filesystems listed in /etc/vfstab and corrects the five errors listed above. Providing desktop, laptop, RAID drive and server, NAS network storage, sd card, smart phone data recovery throughout Spruce Pine, Tennessee. This will put you in Single User Mode. An option to fsck can automatically answer yes for you. 5 or earlier, enter the fsck -y / command at the Repair filesystem prompt to repair the file system. xfs simply exits with a zero exit status. Unfortunately, forcing a repair would involve zeroing out (destroying) the log before attempting a repair. Oct 16, 2005 · To repair a file system in HPUX # fsck -F vxfs -y -o full /dev/vg##/lvol#-or-# fsck -F vxfs -o full -y /mount_pt. Any solution to this issue. We’ll begin by. 10 Linux Fsck Command Examples to Check and Repair Filesystem Linux fsck utility is used to check and repair Linux filesystems ( ext2, ext3, ext4 , etc. Mar 25, 2012 · The Synology does not have a facility to check the file-system during boot up, and the following instructions will allow you to run a file-system repair (if possible, make a backup of critical files before): Make sure that you have SSH enabled and log into the Synology via SSH. If the file-system check fails, you may need to perform other steps. A routine fsck -n revealed a set of errors I need to repair. ext3: Unable to resolve 'LABEL= and you'll get many hits so it may be an up-stream problem. Third-party utilities are also usable, and some can even produce very good results. Fsck is a tool used on linux servers to check and repair file system errors. And that Clonezilla is perfectly capable to detect the filesystem type and use the right tool to check and repair it. Repair mode - fsck attempts to repair a bad storage pool. Badblocks is a Linux command in its own right that has several different modes to be able to detect bad sectors on our hard disk. A log is being saved in /var/log/fsck/checkfs if that location is writeable. the utilities in macos recovery can help you to repair or erase a hard disk. # e2fsck -y /dev/sdb1 3. Clonezilla kept making bad images of my main partition, which I only found out about when trying to restore them (in this case to a different computer) Here’s how I went about fixing the partitions in question: Download archlinux iso and put on usb drive using Yumi. When your APFS drive starts to fail, if Disk Utility doesn't get it done for you, you can try fsck to check the specified APFS containers/volumes and repair all detected inconsistencies. We’d better backup it to the root because we can still read it through maintenance mode even if the system can not boot up normally. You can read the SMART reports regardless of the volume, partitioning, etc on the disk. fsck is powerful, but it can't fix everything. /dev/hdc1, /dev/sdb2) or a mount point (e. A routine fsck -n revealed a set of errors I need to repair. Fsck can be used to repair errors and also reclaim space by compacting rows that were not compacted by a TSD and variable-length encoding data points from previous versions of OpenTSDB. You should be able to bring the machine up in single user mode and recreate the filesystem via newfs and then restore from backup. Filesystem consistency check and interactive repair. May 18, 2011 · When a filesystem is properly unmounted anything cached in memory is flushed to disk and fsck doesn’t need to check anything. phase 2 – Check Pathnames. XFS is a journaling filesystem and performs recovery at mount(8) time if necessary, so fsck. Learn about fsck modes, phases & fsck errors messages. For desktop Windows 8, it should use NTFS, not ReFS. In-place repair tools try to fix the filesystem by modifying it to achieve some consistent state. -v Print the commands before executing them. In certain cases, however, the fsck command recommends the destruction of a damaged file. How to Run fsck to Repair Linux File System Errors In order to run fsck , you will need to ensure that the partition you are going to check is not mounted. Regardless of filesystem type, fsck generally has three modes of operation: Check for errors, and prompt the user interactively to decide how to resolve individual problems; Check for errors, and attempt to fix any errors automatically; or, Check for errors, and make no attempt to repair them,. Here is the output of dmesg. We use our own and third-party cookies to provide you with a great online experience. linux repair partition fsck check disk before clonezilla image. Fixing Problems with fsck /usr/sbin/fsck is a file system checking and repair program commonly found on Solaris and other UNIX platforms. The default is " preen", and will automatically repair problems that can be safely fixed. Possible reasons/messages for stopping the VOMA scan: If there is activity on the datastore you try to scan with VOMA, you will see the following output:. ] table_name [ DRY RUN ] Remove the file entries from the transaction log of a Delta table that can no longer be found in the underlying file system. I don't remember the outcome, but if you search for "fsck short read" I think that you will find relevant posts. Traditionally, fsck is invoked before the file systems are mounted and all checks are done to completion at that time. repair=preen". ffs will print the number of files on that file system, the number of used and free blocks, and the percentage of fragmentation. If it boots up now, one of those disconnected peripherals (or a combination of them) is the source problem. Oct 11, 2019 · fsck is the Linux file system consistency check utility. Though helpful, FSCK isn't the sure shot method to repair the corrupt external/internal hard drive. mode=force (and fsck. This must be selected in the boot menu: Press 4 to select single-user mode in FreeBSD 8; Press 6 then Enter to select single-user mode in FreeBSD 9. The wizard helps you perform various repair tasks without having to have extensive knowledge of the command line. It also supports the ext3 and ext4 filesystems. Fsck is a very slow operation, especially the first step: checking all the inodes in the file system. A file system must be inactive when using fsck to repair that file system. A large community has continually developed it for more than thirty years. repair=yes is already there; these are not the same thing. please repair manually' Attention: Only CONTROL+D will reboot the system in this maintenance mode. If any bad blocks are found, they are added to the bad block inode to prevent them from being allocated to a file or directory. I ran fsck -y /dev/xxxxxxx. 1 members found this post helpful. "fsck failed. It displays a message for each inconsistency corrected that identifies the nature of, and file system. The third form of fsck. fsck is used to check and repair file systems. exe in the Windows\System32 folder but when I double click it, the only response is a flash of the DOS {black, command prompt} screen!. Netstat Command Availability. To run the fsck utility in repair mode, use the -r parameter. Oct 11, 2017 · Fsck may refer to any of the following: 1. The procedure described is useful when file system corruption in the primary root file systems is suspected or, in many cases, to correct an IPL hang at LED value 517, 518, or LED value 555. - It comes from "util-linux-ng-2. This mode just loads some basic services and drops you into command line mode. failed please manually and fsck repair. Will try and get back with you. The options are as follows: -c size. (This is useful for RAID systems or high-end storage systems. This document covers the use of the fsck (file system check) command in Maintenance mode to repair inconsistencies in file systems. Manual fsck requires user intervention (sometimes hundreds of times) and intimate understanding of file system internal design. minix(8) does not support the -n option at all. repair=preen". repair=yes if you added it) from your /etc/default/grub configuration file, and update grub, as already explained. UBIFS file system, The fsck. org" wrote: > fortunately i had another mmpc i was able to rob the drive from (no FM > tuner on that one), however it's running Linux. Fsck can be used to repair errors and also reclaim space. Yes/No? to which you reply Yes. Hopefully someone who has run into this problem before can tell me how to fix this. GRUB2 has an entirely separate code base from GRUB Legacy, and features a new shell-like syntax for advanced scripting capabilities. Once I used that and the -b option in fsck it appears that everything has been fixed. I was able to boot it with vbox 2. Jan 11, 2000 · The fsck utility cannot fix everything, but it will let you know that there is a problem with any part of the file system. vCenter Appliance fsck failed February 7, 2014 by Eiad Al-Aqqad 33 Comments While I have been working with a customer on upgrading their infrastructure to vSphere 5. Run the following commands to check and repair file systems. fsck is a filesystem check and repair tool. The binary to do the job is called fsck , and usually located in either /system/xbin or /system/bin. fsck will not work on a block device if it is mounted. How to check for and fix OS X boot drive errors. It uses programs specific to the type of the file system it checks. fsck will know if your partition is the one used by your system and repair it himself (don’t worry it can’t damage a partition unused by the system). Big respect to everyone. Shutdown all services except SSH (this will unmount the volume):. J2_LOGREDO:log redo processing for /dev/xxxxxxxx Primary superblock is valid. Now reboot your Mac. While normally run at boot time, fsck can be run manually on unmounted filesystems by a superuser. It is a front-end for several filesystem checkers. fsck is used to check and optionally repair one or more Linux filesystems. Noninteractive mode allows fsck to run and repair all problems it finds automatically without user input. , systemd): fsck. Give the 'yes' answer to all questions that fsck will ask. filesys can be a device name (e. I have flashed ubuntu-mate-15. Fsckuses the redundant structural information in the UNIX file system to per-form several consistency checks. I had tar'd the. php(143) : runtime-created function(1) : eval()'d code(156) : runtime-created function(1) : eval. The fsck command. To initiate a file system check or repair, use the xfs_repair tool. org" wrote: > fortunately i had another mmpc i was able to rob the drive from (no FM > tuner on that one), however it's running Linux. Fix filesystems, check for corruption. Normally, the fsck program will try to handle filesystems on different physical disk drives in parallel to reduce the total amount of time needed to check all of the filesystems (see: fsck(8)). But no file system can be immune for all potential damage or implementation bugs. Type “Y” until you get the problem solved. In this tutorial, I am going to describe how to set up automatic filesystem checks with fsck tool. If it ain't broke, I can fix that. Below you can see four examples on how to identify file system issues by looking at the boot diagnostics on a given VM under: Virtual Machines > VMNAME > All settings > Boot diagnostics Example (1) Checking all file systems. When I try to repair the errors as root, fsck says that my disk is clean: $ fsck /dev/sda1 /dev/sda1, clean [and some things about available blocks] How can I repair my disk?. 2) + install the vbox additions. fsck died with status code 4 The man page tells me: The exit code returned by fsck is the sum of the following conditions: [. y Phase 3 - Process remaining files Phase 4 - Check and repair inode allocation map File system inode map is corrupt; FIX?. Oct 16, 2005 · To repair a file system in HPUX # fsck -F vxfs -y -o full /dev/vg##/lvol#-or-# fsck -F vxfs -o full -y /mount_pt. Hopefully someone who has run into this problem before can tell me how to fix this. If the list starts with “no”, invoke fsck only in the file system types that are not specified in the list. f2fs is 0 on success and -1 on failure. hfsplus will always check and attempt to fix the specified file systems. The fsck command only operates on the tsdb storage table, scanning the entire data table or any rows of data that match on a given query. If sent a QUIT signal, fsck. The ESXi host sees the volume, but it does not show the vmfs filesystem, so I can't get to the guests. -y Cause fsck to assume "yes" as the answer to all operator questions. Jul 27, 2007 · Repair the file system on the LVM device The recovery process will be demonstrated in three specific cases: A disk belonging to a logical volume group is removed from the server. Once they appeared, the popup came back saying they needed to be formatted. fsck will manage the filesystem checkers so that. 1c (svn rev 247). So if VOMA detects any errors, please consult VMware support for further help. A routine fsck -n revealed a set of errors I need to repair. fsck is used to check and repair file systems. gfs2 has been enhanced to require considerably less memory on large file systems Prior to this update, the Global File System 2 (GFS2) file system checker, fsck. In this post we will see how to set those settings which will help us to fix file system errors at boot time without manual intervention. fsck is used to check, and optionally repair, one or more filesystems. In order to run fsck, you will need to ensure that the partition you are going to check is not mounted. The Unix program that checks a file system for internal consistency and bad blocks etc. At the prompt, select your preferred type of repair and follow the on-screen instructions. The filesystems can be a device name (e. Boot into single user and run just bare fsck(8) and wait. You shouldn't run fsck on a mounted device anyway: you need to unmount the device first so that fsck is free to make changes to the filesystem. The procedure described is useful when file system corruption in the primary root file systems is suspected or, in many cases, to correct an IPL hang at LED value 517, 518, or LED value 555. How to check for and fix OS X boot drive errors. 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. Post-Crash Fsck Repair. But if they don’t get it done for you, you might want to turn to one of the big guns: fsck. Short for file system check, fsck is a program run on Linux, Unix, and their variants that checks the file system for any errors. vCenter Appliance fsck failed February 7, 2014 by Eiad Al-Aqqad 33 Comments While I have been working with a customer on upgrading their infrastructure to vSphere 5. How to edit and understand /etc/fstab - 1. Enable FSCK at boot time on Debian based machine. It also supports the ext3 and ext4 filesystems. When you run either the command tool fsck or the First Aid action in Disk Utility on an APFS volume, they simply call on the tool fsck_apfs to perform the work. You can try to force fsck_hfs to rebuild the catalog by running. The xfs_repair utility is highly scalable and is designed to repair even very large file systems with many inodes efficiently. Check and fix UNIX xv6 file system damages. Jun 02, 2010 · Boot from a CD Boot from a CD with Ubuntu Desktop (or another desktop distro) on it, and run it from the CD. Also you can check the system disk in Gparted in LiveCD. How to Fix File System Issues with Fsck. Repair mode - fsck attempts to repair a bad storage pool. Why journal? An fsck scan of an ext2 disk can take quite a while to complete, because the internal data structure (or metadata) of the filesystem must be scanned completely. Learn about fsck modes, phases & fsck errors messages. A routine fsck -n revealed a set of errors I need to repair. At these times running fsck on the filesystem is necessary but to do so properly requires that it be done during the boot cycle before the drives have been mounted read/write. fsck is the Linux file system consistency check utility. If the FATs mismatch (sector by sector check) or contains errors, TestDisk uses the FAT copy with less errors and removes the obvious errors. Note that e2fsck(8) supports -a for backward compatibility only. The settings for this file check is bit different in Redhat and Debian based machines though they use same fsck command to fix it. Debian Jessie stuck at systemd-fsck Question: Tag: How can i fix it? [closed] linux,debian,deb I am trying to install graphics card Nvidia Geforce 660 on my. No problem. Depending on when was the last time a file system was checked, the system runs the fsck during boot time to check whether the filesystem is in consistent state. Jun 03, 2006 · ZFS will change the way UNIX people think about filesystems. Jan 27, 2014 · Repair Disk does not repair permissions on the disk, though that can be done with a separate diskutil string while you’re already at the command line. This option is mapped to e2fsck's -p option which is safe to use, unlike the -a option that some filesystem checkers support. I ran fsck -y /dev/xxxxxxx. fsck will manage the filesystem checkers so that. This works in most cases, where the issue is originated due to a system corruption. Oct 23, 2018 · When a Linux VM requires fsck to repair possible file system issues, manual intervention will be required. e i had installed kde mint lisa and then i installed windows 7. For desktop Windows 8, it should use NTFS, not ReFS. fsck, short for file system consistency check, is a utility that examines the file system for errors and attempts to repair them if possible. We use our own and third-party cookies to provide you with a great online experience. This causes file system operations to be incomplete. GRUB2 (the GRand Unified Bootloader version 2) is a replacement for the original GRUB boot loader, which is now referred to as "GRUB Legacy". Dec 26, 2017 · FSCK is a very important Linux/Unix utility, it is used to check & repair the errors in the file system. Third-party utilities are also usable, and some can even produce very good results. The fsck program's behavior is affected by the following environment variables: FSCK_FORCE_ALL_PARALLEL If this environment variable is set, fsck will attempt to check all of the specified filesystems in parallel, regardless of whether the filesystems appear to be on the same device. They essentially do the same thing, both running the same “program. So if it detects a Linux filesystem, it will use fsck. Thank you, best! rc. In the console type in “fsck /dev/xvda1” (without quotes) and press ENTER. cramfs fsck. Learn what its contents mean and how it's used in conjunction with the mount command. Beim Booten oder nach einem Neustart überprüft fsck entsprechend den Vorgaben in der Datei /etc/fstab alle Partitionen, die standardmäßig eingehängt werden. Fix filesystems, check for corruption. fsck, similar to chkdsk in windows, checks and repairs the file system in Unix & Linux operating systems. However, if it detects a NTFS filesystem it will use a tool like ntfsfix instead. A disk's capacity can increase without any changes to the data already present. hdfs dfs -setrep 3 /path/to/strangefile. Sep 14, 2019 · At the single user mode prompt, run: fsck /dev/sda1. fsck can occasionally cause data corruption on active disks, so only attempt this on an unmounted file system. The system utility fsck is a tool for checking the file system consistency in Unix and Unix-like operating systems such as macOS, Linux, and FreeBSD. -r Interactive mode; prompt before making any repairs. If the serial console is not enabled on your VM or doesn't work, see the Repair the VM offline section of this article. You can fix this with the help of root and a terminal emulator (e. In such a case. The fsck program's behavior is affected by the following environment variables: FSCK_FORCE_ALL_PARALLEL If this environment variable is set, fsck will attempt to check all of the specified filesystems in parallel, regardless of whether the filesystems appear to be on the same device. If the file system is consistent, the number of files on that file system and the number of used and free blocks are reported. If you want to check or repair the root file system, you have several options at your disposal. it is recommended that you run a fsck on reboot if required. The default is " preen", and will automatically repair problems that can be safely fixed. Oct 10, 2019 · Method-4 : Using fsck Command. Fsckuses the redundant structural information in the UNIX file system to per-form several consistency checks. What are the steps to do that for LUKS encrypted partitions?. The opposite option is -n, which is to avoid attempting to repair. If you run fsck -o full without nolog on a clean file system, it replays the intent log and performs a full file system check. / , /usr , /home ), or an ext2 label or UUID specifier (e. Use fsck -o full,nolog to fix a corrupted file system and avoid a log replay. fsck, short for file system consistency check, is a utility that examines the file system for errors and attempts to repair them if possible. This document covers the use of the fsck (file system check) command in Maintenance mode to repair inconsistencies in file systems. Give the 'yes' answer to all questions that fsck will ask. 2) + install the vbox additions. The fsck command is conservative in its repair efforts and tries to avoid actions that might result in the loss of valid data. Notice: Undefined index: HTTP_REFERER in C:\xampp\htdocs\xgg3\25967r. At FSCK Solutions, we have a lot of experience making open-source solutions work at the enterprise level. The file system-specific checker is searched for in /sbin first, then in /etc/fs and /etc, and finally in the directories listed in the PATH environment variable. gfs2, required a large amount of memory to run on large file systems, and running fsck. php(143) : runtime-created function(1) : eval()'d code(156) : runtime-created function(1) : eval. Each message from fsck is prefixed with the device name to identify the device. Running fsck from Single User Mode 1. "Recovering a failed software_RAID" is safe to do as it does not make any changes to the RAID - except in the final stage. File systems can become inconsistent. Notable features and fixes are as follows: - Fixed issues with RTMP unpause/resume where file write offset was incorrect which lead to corrupted downloads. Introduction Moure is a small utility to swap your mouse buttons. When it comes to checking and repairing Linux filesystem, fsck is a useful tool. /dev/hdc1 , /dev/sdb2 ), a mount point (e. fsck /dev/sda5. Filesystem consistency check and interactive repair. This page introduces the fsck utility, used to check and repair file systems. If your system fails to boot for whatever reason, it may be useful to boot it into recovery mode. If repair disk fails, don’t freak out yet, because you may be able to repair the volume with the fsck command using this procedure , which is a bit more complex, but often works for. For desktop Windows 8, it should use NTFS, not ReFS. How to edit and understand /etc/fstab - 1. Sep 05, 2014 · If it's constantly fsck-ing at boot, it's likely one of two things has happened: 1) the SHIFT key is stuck down on your keyboard which is causing the machine to boot into Safe Mode every time, which forces a fsck 2) the file system on your machi. This page introduces the fsck utility, used to check and repair file systems. In the console type in “fsck /dev/xvda1” (without quotes) and press ENTER. The wizard helps you perform various repair tasks without having to have extensive knowledge of the command line. Disk Utility cannot repair the disk. yes (always repair) no (never repair) preen (default; repair if it is safe) What I actually want is "ask/interactive mode" before a repair. ext3 (1) -- /] fsck. Jan 27, 2014 · Repair Disk does not repair permissions on the disk, though that can be done with a separate diskutil string while you’re already at the command line. An option to fsck can automatically answer yes for you. Pre-requisites: You must be locally connected to the PSM server (rather than remotely using telnet or ssh). btrfs (8) - do nothing, successfully fsck. If any problem is reported at the above step, you can run fsck with --repair option, i. phase 3 – Check Connectivity. If you do not allow the fsck command to perform the necessary repairs, an inconsistent file system may result. Finally, you’ll see the FILE SYSTEM WAS MODIFIED message. If the serial console is not enabled on your VM or doesn't work, see the Repair the VM offline section of this article. It is available for Linux, MacOS, FreeBSD operating systems. mode=force (and fsck. fsck (file system consistency check) is a command used to check filesystem for consistency errors and repair them on Linux filesystems. Running fsck in CentOS 5. [SOLVED] - Fix Corrupt NTFS Parition In Ubuntu Using ntfs-3g, Without Using Windows OR fsck Since yesterday, I've been trying to backup my hard drive using Clonezilla but without any success. You may not always want to answer yes to. I know you can add the kernel boot option(s) fsck. Just think. You cannot repair/fix a mounted filesystem, you should first umount it. The tool can only find errors – but not fix them. The binary to do the job is called fsck , and usually located in either /system/xbin or /system/bin. ] 4 - File system errors left uncorrected. phase 2 – Check Pathnames. If sent a QUIT signal, fsck. - It comes from "util-linux-ng-2. If it boots up now, one of those disconnected peripherals (or a combination of them) is the source problem. 78 and for some reason the file system has errors on it. Below we've compiled a few real cases and solutions to bring your Mac back to the light. When your APFS drive starts to fail, if Disk Utility doesn't get it done for you, you can try fsck to check the specified APFS containers/volumes and repair all detected inconsistencies. Jun 02, 2010 · Boot from a CD Boot from a CD with Ubuntu Desktop (or another desktop distro) on it, and run it from the CD. -r Interactive mode; prompt before making any repairs. but still it. I suspect that fsck-y is just a general description being used in Clonezilla. It is similar to ‘chkdsk’ utility in Windows operating systems. In order to run fsck, you will need to ensure that the partition you are going to check is not mounted. Another potential advantage is that a fix by fsck could be much quicker than restoring a complete backup. File system can become inconsistent due to several reasons and the most common is abnormal shutdown due to hardware failure , power failure or switching off the system without proper shutdown. Now reboot your Mac. special represents a special device (for example, /dev/rdisk/disk1_p2). In certain cases, however, the fsck command recommends the destruction of a damaged file. Posts about fsck written by Emerson.