fsck - check and optionally repair a file system.

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How can I reset an unknown root password if a file system check interrupts the startup sequence?

This morning I was helping a fellow admin with a crash that occurred on a CentOS 5.8 VM. Earlier in the day, the underlying SAN hosting various VMs experienced an issue and ultimately caused some ...
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158 views

Error file system check

I enabled the package e2fsprogs and always when the system starts it return the following error (when partition mounting): Jan 01 00:00:03 xxxx systemd[1]: Found device /dev/mmcblk0p3. Jan 01 ...
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2answers
495 views

Run fsck automatically when calling mount from command line

I have a backup script that mounts and unmounts a USB drive. I just noticed that its warning me: EXT3-fs warning: maximal mount count reached, running e2fsck is recommended My question: How can I ...
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fsck.ext4 is running in the background at 0% CPU. Is it done? [duplicate]

Is there a way to check if fsck is completed? I sent it to the background but don't know how to get it back. I'm on a Raspberry Pi.
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What happens if I run fsck on /dev/sda instead of /dev/sda1?

When I have run fsck in the past I have always run it on what I thought was a filesystem partition, ie. fsck -yf /dev/sdaN, where N is the partition number on disk A. A friend of mine recently ran ...
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1answer
1k views

How do I check the progress of Badblocks if it's running in the background?

I'm running a drive check on my unmounted USB3 drive with: sudo fsck.ext4 -cDfty -C 0 /dev/sda1 & However, I sent it to the background and would like to check its progress. It's been running on ...
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1answer
2k views

How to fix invalid map node linkage?

My drive is formated to hfs+ and it is not clean. In example when I'm trying to mount the drive by mount -f -o rw, dmesg displays the error: hfs: Filesystem was not cleanly unmounted, running ...
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Force fsck at boot time on the root file system (prior to mounting file systems, without Single-User mode) [duplicate]

I just wonder if there are any solutions available at all (Googled for 2 hours). How to automatically force fsck disks after crash in `systemd`? - does not mean anything. Setting fsck_y_enable="YES" ...
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1k views

How to check SSD disk for errors from a Live CD?

Debian on SSD. How to check SSD disk for errors from a Live CD? Additionally, to save results to a txt file. Partitions are sdb1 /boot ext2 sdb2 root ext4 sdb3 swap Should I unmount partitions ...
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1answer
180 views

How creating forcefsck file triggers file system check on reboot?

What is the significance of the file /forcefsck? I understand by creating this file the file system check is enforced during the next reboot. But how does this work?
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1answer
224 views

archlinux check disks on boot

How can I check and mark bad blocks on Linux startup? There are a number of options available and most of them require accessing hardware and running live CD's. But I would like to avoid and perform ...
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130 views

impossible to make fsck

I'm trying to make a fsck to a pendrive and it says me: e2fsck 1.42.8 (20-Jun-2013) Pass 1: Checking inodes, blocks, and sizes Error reading block 40402759450689 (Invalid argument). Ignore error? ...
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4answers
501 views

Mount filesystems after boot to avoid fsck delay for sshd

I'm trying to optimise the overall downtime and improve availability in case of system failure. I'm specifically concerned about the reboot (e.g. after a kernel panic) taking so long that I don't ...
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4answers
30k views

How can I fsck a partition when the device reads as busy (but has been confirmed otherwise)?

I'm attempting to run fsck -p /dev/sda5 to repair errors on an ext4 partition, however the command outputs fsck from util-linux-ng 2.17.2 fsck.ext4: Device or resource busy while trying to open ...
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2answers
2k views

dd to clone to smaller sdcard

One of my Raspberry Pi's is using a 4GB SDcard for the root/boot filesystem. As seen when mounted on another system: Disk /dev/sdc: 3904 MB, 3904897024 bytes 121 heads, 62 sectors/track, 1016 ...
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1answer
318 views

What makes fsck so slow on big filesystems?

I have over a dozen of filesystems on my OpenBSD server with 12GB DDR3 and several 1.5TB HDDs. All filesystems themselves are generally between 8GB and 64GB in size. I've noticed that even by ...
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129 views

bad inodes reappear after fsck() for vps guests

I have several vps guests that were created by virt-resize. I do daily backups on the guests by creating a snapshot and rsync file contents. But some of them don't have a clean disk image. As soon as ...
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1answer
878 views

What is the difference between fsck options -y and -p?

The ext2/3/4 filesystem checker has two options that seem to be very similar, -p and -y. Both seem to perform an automatic repair, but the manpage states that -p can exit when it encounters certain ...
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4answers
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How can I avoid “Run fsck manually” messages while allowing experimenting with system time changes?

I'm working with a system where we want to allow users to play around with the date and time if they want, and where reboots may happen arbitrarily. This is fine, except for one thing: if there's a ...
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3answers
1k views

File missing after fsck

Recently, my HDD crashed and I had to run a fsck command. Many files were moved to the lost+found folder and I've retrieved the important ones using find and grep, but I can't find my SQL databases. ...
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2answers
447 views

encrypted ext3 damaged; how to proceed?

My home partition on a Debian wheezy install is an encrypted LVM volume. It is ext3. Earlier today, I had a weird message in a terminal window about an attempt to write to a file in my /home tree ...
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340 views

Boot time discrepancy using systemd on Debian 7.4

I recently installed systemd on my Debian 7.4 system. The time from pressing the power button to usable desktop is around 42-44 seconds. The BIOS takes 6-7 seconds to load and transfer control to ...
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2answers
1k views

Stopping e2fsck early

I had some drive errors so I ran e2fsck -cckty to find bad blocks on a 2TB drive. It found some bad blocks at the beginning, but hasn't found any in a day and a half. e2fsck has been running for 40 ...
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1answer
2k views

Adding badblocks on mounted partition

I tried to move some files to my NAS (ShareCenter DNS-320), but something shows up, when using file managers: Input/Output error or when using rsync on mounted cifs/smb share rsync: close failed ...
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1answer
260 views

Check `fsck` automatically

I need to run fsck so that it automatically fixes problems (i.e., fsck -y). And because I am using "systemd" instead of "init" in the linux system, I cannot modify the /etc/default/rcS. So what ...
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1answer
1k views

Problems mounting a disk

I have a disk that has failed to mount on start up. I have commented out the line in fstab to try to diagnose the issue: # /dev/sdc /media/bigdrive ext4 auto,exec,rw,user,async 0 0 Then rebooted. I ...
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4answers
106 views

targeting a specific block with e2fsck to shorten wait

Recently had a LVM'd CentOS 6.5 install get accidentally cold-shutdown. On bootup, it says that the home partition need fscking: /dev/mapper/vg_myserver-lv_home: Block bitmap for group 3072 is not ...
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339 views

e2fsck -y /dev/sda changed my 6TB disk into 1.8TB

After problems with mount I run e2fsck -y -b BLOCK /dev/sda and it was running for 3 days on 6TB raid 0, when it completed this was the output: /dev/sda: ***** FILE SYSTEM WAS MODIFIED ***** ...
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1answer
11k views

How do I fix btrfs? [closed]

I've trawled mailing lists and finally finished up on Ubuntu's btrfs page, and am left feeling that btrfs still does not have a full fixing utility (as indicated on their home page). Even though ...
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2answers
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fcsk died with status code 4

During boot my laptop says: fsck died with status code 4 The man page tells me: The exit code returned by fsck is the sum of the following conditions: [..] 4 - File system errors ...
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1answer
4k views

Temporary files problem

Recently my server started to behave weird and I have two issues which I believe to be related. In Vi : When I try to save a file I get : E509: Cannot create backup file and I need to save ...
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227 views

What's the problem with fsck.ext3?

It seems there is some problem with my HDD in my satellite box. The box records to and plays video from the HDD, but occasionally it hangs (it was stable before). It's Linux version ...
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2answers
3k views

After crash, e2fsck fails with weirdly high block numbers/sizes

After a breaker trip a Raspberry Pi of mine started to halt boot with kernel panic (same message as here). This is a Raspberry Pi running Raspbian, so it runs from a SD card, from a main ext4 ...
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3answers
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fsck -cc /dev/sdb1 gives this result. Is everything okay?

root@host [/]# fsck -cc /dev/sdb1 fsck from util-linux-ng 2.17.2 e2fsck 1.41.12 (17-May-2010) Checking for bad blocks (non-destructive read-write test) Testing with random pattern: done /dev/sdb1: ...
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1answer
449 views

fsck ext4 on ssd: max mountcount and checkinterval

I'm using an ssd as the only drive in my laptop (Debian stable). It seems that SuSE sets mountcount to -1, disabling fsck at boot. The thread linked says that ext4 needn't be fsck'd anyway. Is that ...
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3answers
1k views

Safe to disable boot fsck on read-only ext3 file system?

I have a large, frequently read, ext3 file system mounted read-only on a system that is generally always hard power cycled about 2-3 times per day. Because the device is usually powered off by ...
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Is fsck -N mounted file system dangerous

I've read to never run fsck when the file system is mounted. What about running fsck -N to only identify but not repair the file system when mounted? Is that dangerous? Is fsck -N known to overload a ...
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1answer
92 views

Drive keeps rebooting and wait for manual fsck [closed]

This is what my datacenter says I've connected monitor to your server and it looks like it was rebooting and is waiting for manual fschk again. Have you rebooted your server? Then fdcservers ...
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4answers
14k views

What does “mounting fs with errors” mean in dmesg and what to do after that?

I run dmesg and this is what I see: EXT4-fs (sda1): warning: mounting fs with errors, running e2fsck is recommended EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: Here is the ...
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0answers
134 views

Problems with USB goflex 2 TB

I am using CentOS 5.5 and have been using cpio to write backups to a 2 TB GoFlex USB drive. This drive worked great for over a year, but am now running into a problem and not sure what to do. When ...
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3answers
2k views

Can one scan with fsck a read-only partition?

I have a file system that has some "unlinked inodes" and for this reason it was mounted as read-only. As I understood, to get this device into rw-mode, I need to perform partition check with fsck. All ...
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1answer
4k views

Extremely long time for an ext4 fsck

The problem that I am having is the extremely long time that fsck is taking. I have thoroughly made searches on Google, but I could not find anything that would resolve the problem. The command that ...
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1answer
208 views

Safest way to run ext4 fsck on external drive

I have an external drive formatted in ext4 that throws this error message when is plugged in EXT4-fs (sdd2): error count: 8 initial error at 1366215273 last error at 1366215527,it generally works just ...
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If “fsck -n /PATH” says errors, then it's 100% true that the FS has errors?

HOSTNAME:~ # fsck -n /FSMOUNTPOINT fsck 1.38 (30-Jun-2005) e2fsck 1.38 (30-Jun-2005) Warning! /dev/vgname/lvname is mounted. Warning: skipping journal recovery because doing a read-only filesystem ...
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Confusion with how to restore corrupt ext3 files if power outage occurs during a file write

I am running a small embedded system. Because the system will never be gracefully shutdown and will just have the power cable unplugged, I am running an initramfs but mounting an ext3 partition on a ...
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3answers
1k views

Automatically run kpartx during boot

I'm running Debian Wheezy on an SSD, and in addition I have two 500GB hard disks in Intel software RAID 0 (fakeraid). Both the SSD and the RAID array have GPT partition layouts. I have set up my fstab ...
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1answer
619 views

Why was -F removed from /sbin/shutdown?

I used to be able to run /sbin/shutdown -r -F now but in recent Ubuntu and Fedora releases there is no -F option and if I want to force an fsck I need to do touch /forcefsck; /sbin/shutdown -r now. ...
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1answer
468 views

Fedora 17-15 old lvm partition reporting incorrect size

After years i decided to upgrade from Fedora 15 to 18, but as per the guidelines only 2 versions can be jumped, so i decided to settle with Fedora 17 and ran preupgrade , all was going fine, till ...
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1answer
113 views

Can e2fsck be suspended?

I have a large hard disk partition. I would like to launch e2fsck on it so that i shall suspend its progress, be able to reboot and resume e2fsck from where it was suspended.
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658 views

File access after fsck very slow for first-time access?

My drive started to show up errors, I unmounted it and ran fsck on it. It's a 2TB drive installed on Debian Squeeze, using ext3. The fsck too about 17 hours. I found some, luckily mostly unimportant, ...