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Questions tagged [fsck]

fsck - check and optionally repair a file system.

4
votes
1answer
141 views

Should I answer yes to “Clone multiply-claimed blocks<y>?” when running e2fsck?

When running e2fsck -cck /dev/mapper/xxx I am prompted with has 487 multiply-claimed block(s), shared with 84 file(s): ... (inode #221446306, mod time Tue Feb 20 19:48:38 2018) ... (...
-2
votes
2answers
72 views

How can I make `fsck` actually check the healthiness of my disk, partitions, filesystems, and LVs?

I want to check the healthiness of my disk, partitions, filesystems, and LVs. So I run fsck. I heard to use fsck on a filesystem, I need to boot into a live Lubuntu from a bootable flash drive and ...
-1
votes
1answer
21 views

is it possible to `fsck` for badblocks a single LVM logical volume SEGMENT?

why? to resume fsck -fcck while looking for badblocks as it takes humongous time (1TB SATA HD) and I have no no-break on my desktop, so, I could split the logical volume in several segments of 10GB ...
0
votes
1answer
79 views

Long boot time of Debian Stretch

My Debian Stretch system takes nearly a minute to boot up. It usually takes about 15 seconds. My error: Gave up waiting for suspend/resume device fsck: error 2 (No such file or directory) while ...
0
votes
1answer
451 views

Mount: wrong fs type, bad option, bad superblock on /dev/mapper/VolGroup-lv_home

When I mount my /dev/VolGroup/lv_home there get error: [root@localhost VolGroup]# mount /dev/VolGroup/lv_home /home/ Mount: wrong fs type, bad option, bad superblock on /dev/mapper/VolGroup-lv_home,  ...
1
vote
1answer
38 views

How to show journal messages from all `fsck` units

Is there a reasonable procedure for a system administrator to view all the fsck messages? On my current Fedora 29 system, I can view all the fsck messages from my current boot like this: sudo ...
0
votes
0answers
14 views

Fsck on encrypted home folder, do I need to decrypt first?

I would like to run btrfs check on /dev/sda3 partition that have encrypted home folder. If I decrypt folder that partition became mounted. The check requires it be unmounted, thus encrypted. Is it ...
1
vote
1answer
29 views

Reboot with faulty drive, devices names change, server does not boot

I have had this problem on 2 servers and I want to know how should I handle the problem. My server has an SSD (/dev/sda) and two SATA drives (/dev/sdb and /dev/sdc). The second drive (/dev/sdb) has ...
0
votes
1answer
134 views

systemd-fsck failed with error code 8. Unable to repair disk on bootup

I have two partitions, one for the RO root filesystem (mmcblk3p1), and the other is the RW home partition (mmcblk3p2). I can't figure out why systemd-fsck is unable to fix my partition when I manually ...
0
votes
0answers
105 views

Can't mount second hdd due to error /dev/mapper/backup--mint--vg-root: can't read superblock

I'm trying to mount a second hdd. I don't know where I'm going wrong. First, I set up a partition with cryptsetup: sudo cryptsetup open /dev/sdb5 backup sudo vgdisplay I got two identical vg names, ...
0
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0answers
25 views

Does fsck.f2fs not support loopback image files?

I had a micro SD card that I had "adopted" so the Android phone I had could use the storage as apart of the total storage for applications and data. This worked for sometime till the micro SD failed. ...
-1
votes
2answers
2k views

Ubuntu recovery says “fsck from util-linux” and exits

I booted Ubuntu in recovery mode to try and fix a disk error. However, when I run: fsck I just get: fsck from util-linux 2.31.1 And nothing else happens. Any fsck command is simply printing '...
0
votes
1answer
231 views

btrfs check /dev/loop0 -> ERROR: cannot open file system

I have a file formatted as a btrfs filesystem. I can loop mount it and use it normally. I'd like to run btrfs check on this file, but an error is generated. First I tried with just the file: $ ...
0
votes
1answer
248 views

“No space left on device” despite 70GB free; can't create any files larger than 8.0MiB on iPad [closed]

OK so this is on an iPad Pro but I'm asking you guys because this is about the underlying Unix system behind iOS/OS X, not really iPad specific. (And yes I spent hours reading all relevant ...
0
votes
1answer
34 views

What would happen if you zeroed out a certain group of blocks in the EXT4 filesystem?

Basically, the EXT4 filesystem has chunks of data in size of 128MiB (by default), and this chunk is called a "group" or "group of blocks", which basically looks like this on the disk: The bigger the ...
6
votes
2answers
288 views

Where is fsck run?

I was reading through all the things that are run during bootup and have seen that after mounting the rootfs, /sbin/fsck.ext4 is run and after that systemd is run. I was wondering where or how fsck is ...
0
votes
0answers
184 views

disk in use in-spite we perform umount and lsof is empty

we want to perform fsck -f on /dev/sdc but without success umount -l /var/hadoop/zookeper lsof /var/hadoop/zookeeper/ fsck -f /dev/sdc fsck from util-linux 2.23.2 e2fsck 1.42.9 ...
-3
votes
1answer
57 views

Unmounting Linux [duplicate]

I have a problem with hashcat in Kali Linux and someone on the Internet suggested to do fsck. I check and it says to unmount the device before using the fsck command. I am using Kali Linux in dual ...
0
votes
0answers
92 views

Right way to fsck the root filesystem on an appliance?

Before going ahead, I'd like to make sure I understand how to perform a file check on the root filesystem that's installed on a USB keydrive on a Sheevaplug appliance running Debian 9. I was thinking ...
0
votes
1answer
33 views

Understanding USB message logs to troubleshoot USB automounting

I am trying to troubleshoot an issue where on one server my USB automounts whereas on another server it isn't. Comparing the logs for both instances, I am trying to understand what each line means. ...
3
votes
2answers
1k views

Does “recovering journal” prove an unclean shutdown/unmount?

Can we confirm the log message "recovering journal" from fsck should be interpreted as indicating the filesystem was not cleanly unmounted / shut down the last time? Or, are there other possible ...
1
vote
2answers
1k views

how to perform xfs_repair on disk that is actually UUID

we have redhat machines version 6.x we want to fix the file-system on one of our disks UUID=198s5364-a29c-429e-b16d-e772acd /data_SA xfs rw,noatime,inode64,allocsize=16m 1 2 but ...
0
votes
1answer
70 views

fsck not performed during boot in spite fstab configured correctly

today we notice about very strange issue the following partition ( from /etc/fstab) defined with "2" in the end of the line that means that fsck will be activate during boot since the data on that ...
1
vote
2answers
258 views

what is the best approach to fix file-system corruption on huge data

we need to fix filesystem corruption on sdb on redhat 6 version sdb is xfs file system df -h | egrep "Filesystem|/data" Filesystem Size Used Avail Use% Mounted on /dev/sdb 8.2T 7.0T ...
2
votes
1answer
256 views

How to Force fsck for all other non-root partitions

We have the following disks and there mount point: /dev/sdb /appTdb/sdc ext4 defaults,noatime 0 0 /dev/sdc /appTdb/sdd ext4 defaults,noatime 0 0 /dev/sdd /appTdb/sde ext4 defaults,noatime 0 0 /dev/...
0
votes
1answer
2k views

Is it possible to run fsck to only see errors on mounted disk

We have RedHat 7.2 OS. /dev/sdc is mounted to /bla/appLO Is it possible to run fsck on mounted disks (without umount /bla/appLO) and to see only the errors if they exist? Example: e2fsck -n /dev/...
4
votes
1answer
1k views

When can Linux boot with a Read-Only Root Filesystem

I am working on a embedded Linux with u-boot as bootloader and systemd init system. The tools are limited to standard busybox. While analyzing some problems, I figured out the root filesystem is read ...
0
votes
1answer
722 views

Usability is compromised on Ubuntu because of read-only filesystem error

Over the past couple of days Ubuntu has been progressively locking me out of the the system. I can't open some programs and the last straw was a few minutes ago when it refused to save a screenshot. ...
1
vote
2answers
1k views

Do systemd-fsck or fsck generate a status report?

How does one determine whether fsck operations were performed at bootup. I understand the default fsck config and behaviour, but is there a report or status that shows whether any fsck issues were ...
0
votes
0answers
29 views

After moving root partition in Linux Lite (Lubuntu), do I need to run fsck?

I finally migrated from Windows to Linux, and I chose Linux Lite (based on Lubuntu) as my first attempt, through dual-booting my PC. I loved using Linux, so I decided to steal most of the space of my ...
0
votes
1answer
804 views

Fsck on partition inside RAID broke file system AND RAID

What was: RAID 1 with mdadm on whole disks say /dev/md0 from /dev/sda and sdb, GPT with one partition on md0 and ext4 on this partition (md0p1). What I think happens: after changing motherboard linux ...
0
votes
1answer
50 views

Can't mount portable HDD - Cannot run commands on its partitions either

My Imation Apollo M100 portable disk is not mounting. One day I was copying a heavy file to it, the process got stuck and I unplugged it from the computer. When I connected it back to the PC and when ...
1
vote
1answer
479 views

How to pass parameter to fsck at boot time

I want to make fsck to run by default with -y at boot time to try to force automatic repair. Any idea how this can be done under Arch Linux?
4
votes
2answers
351 views

Fsck at boot time for loopback device

I discovered that is not possible to run fsck on a loopback device at boot by the fsck flag inside the fstab file, nor is it possible to accomplish this by manually running fsck when the loop device ...
0
votes
0answers
267 views

Metasploitable 2 fsck dies on boot up

I am running Kali Linux on a usb with persistence, I installed virtual box and I am trying to run metasploitable 2. When I start it everything goes well until fsck dies with exit status 4. It then ...
2
votes
1answer
321 views

Fixing btrfs file extent holes

So, due to what I assume to be a loose ATX connector my system powered down unexpectedly. Which is bad. When I run btrfs check I find a mile long list of extent holes. Fortunately they are limited to ...
1
vote
0answers
408 views

How do I run a fsck on an encrypted LVM partition?

I'm on Fedora 27 and I'm trying to fsck a SSD but the usual things like /forcefsck aren't working. Also tried to set up my /etc/default/grub like so GRUB_CMDLINE_LINUX="rd.lvm.lv=fedora/root rd.luks....
1
vote
0answers
34 views

Ubuntu locked up and strange UI changes, serious problem? [closed]

My Ubuntu 16.04 system just locked up out of the blue, I had to hard-reset the machine. Now that's booted back up, the Unity menubar has turned transparent, and the light shading around each icon on ...
0
votes
0answers
205 views

When fsck the `/dev/mapper/VolGroup-lv_web`, there comes error status: { DRDY ERR } error: { UNC }

When I fsck the /dev/mapper/VolGroup-lv_web, there comes a issue: /dev/mapper/VolGroup-lv_web contains a file system with errors, check forced. exception Emask 0x0 SAct 0x3 SErr 0x0 action 0x8 You ...
0
votes
1answer
605 views

is it safe to run e2fsck -y /dev/sdXX on hdfs files

we see the system log on one of the worker machine ( dmesg ) and from the log we saw that: (sdc): warning: mounting fs with errors, running e2fsck is recommended disk - sdc include the HDFS folder -...
1
vote
0answers
175 views

Unable to mount decrypted image

I have an encrypted image (ext4) that can be mounted perfectly on my Raspberry Pi but not on my (L)Ubuntu VM. The following commands work perfectly on the Pi: sudo cryptsetup luksOpen stuff.iso img ...
0
votes
1answer
367 views

e2fsck -n + how to know if need to run e2fsck in order to fix corrupted blocks?

we want to check the filesystem on the disks as /deb/sdc .... /dev/sdg on each linux redhat machine the target is to find what are the disks that required e2fsck ( as e2fsck -y /dev/sdb . etc ) ...
8
votes
1answer
7k views

What should I do to force the root filesystem check (and optionally a fix) at boot?

Yesterday, one of our computers dropped to grub shell or honestly, I am unsure what shell it was when we turned on the machine. It showed that it can't mount the root filesystem or something in this ...
2
votes
3answers
195 views

Is there any way to perform fsck automatically after power failure?

I have a USB HDD with an ext3 file system, (it's a Plex server media drive), connected to my Raspberry Pi, and after power failure it is not mounting automatically and has a superblock reading problem....
0
votes
1answer
490 views

OpenBSD /dev/sd0k unexpected inconsistency - bad super block

i got a big problem when i try to boot my VMware OpenBSD 5.7 i got this : I can see all my data making : cat /root/mydata they have nothing important for me into sd0k (/home) i've try fsck etc, the ...
5
votes
1answer
4k views

“inode extent tree (at level 1) could be shorter IGNORED”

I have a Debian system here. fsck runs from time to time while booting (on an ext4 file system). I get messages like this: inode extent tree (at level 1) could be shorter IGNORED What do they mean?
0
votes
1answer
256 views

RHEL6 / Centos 6 — mounting external USB storage at boot time in /etc/fstab

I wanted to put the mounting of my external USB storage disk into /etc/fstab so that I have it mounted READ/ONLY. LABEL=PN /PN ext3 defaults,ro 1 3 My ...
2
votes
1answer
86 views

What are the conditions that qualify a file as lost and found?

For files that fsck places in lost+found directory, under what circumstances does fsck consider a file to be lost, I have the following in my mind: For regular files: 1) If the inode links count is ...
0
votes
1answer
310 views

/etc/fstab and parallel filesystem check (fsck)

FSCK(8) says: The root filesystem will be checked first unless the -P option is specified (see below). After that, filesystems will be checked in the order specified by the fs_passno (the sixth) ...
1
vote
1answer
493 views

Disk shows wrong size on DF, correct size in gparted and vmware

I created a new backup system and initially tested everything with a 2.5TB disk. Once the idea worked out, I went to increase the disk to 7.5TB. I increase my volume on the SAN, then increased the ...