Bad superblock magic number wrong

Bad superblock magic number wrong. Oct 1, 2022 · I had thought to label the volumes themselves: $ e2label /dev/sda. Phase 1 - find and verify superblock bad primary superblock - bad magic number !!! Aug 17, 2007 · 15, 0. May 12, 2015 · superblock for the filesystem (see fsdb(1M)). 0GB primary fat32 2 40. ext2: Bad magic number in super-block while trying to open /dev/sdd. I tried to load lede-17. ext2: Bad magic number in super-block while trying to open /dev/nvme0n2. 4-apm821xx-nand-mr24-initramfs-kernel. Some database servers, like Sybase, manage raw partitions on their own therefore the magic numbers will report as wrong during fsck checks. 1. ext2: Bad magic number in super-block while trying to open /dev/sdb1 The superblock could not be read or does not describe a valid ext2/ext3/ext4 May 13, 2018 · If the device is valid and it really contains an ext2/ext3/ext4 filesystem (and not swap or ufs or something else), then the superblock is corrupt, and you might try running e2fsck with an alternate superblock: e2fsck -b 8193 <device> or e2fsck -b 32768 <device> sudo mke2fs -n /dev/sda2 mke2fs 1. If the device is valid and it really contains an ext2 filesystem (and not swap or ufs or something else), then the superblock is corrupt, and you might try running e2fsck with an alternate Feb 9, 2023 · fsck. If the device is valid and it really contains an ext2 filesystem (and not swap or ufs or something else), then the superblock is corrupt, and you might try running e2fsck with an alternate superblock: e2fsck -b 8193. to restore superblocks. If the device is valid and it really contains an ext2/ext3/ext4. - 3136998 - 4 Oct 22, 2013 · Solution. ext2: Bad magic number in super-block while trying to open /dev/sda2 The superblock could not be read or does not describe a valid ext2/ext3/ext4 filesystem. If using fsck and without the proper descriptor, (-F vxfs), you can overwrite the vxfs superblock with a ufs superblock. fsck reports an invalid superblock: $ sudo fsck. fsck will check the consistency of a UFS filesystem. 3. is corrupt, and you might try running Nov 12, 2003 · Bad magic number in super-block. Dec 29, 2022 · I also tried replacing the superblock using the backup superblocks with the command sudo fsck -b 32768 /dev/nvme0n2. Using dd deleting partitions and creating new ones I get. e2fsck -b 32768 <device>. Apr 19, 2009 · 153 points. If the device is valid and it really contains an ext2/ext3/ext4 The actual count of free blocks does not match the count of free blocks in the superblock of the file system. 8 (1-Jan-2018) e2fsck: Bad magic number in super-block while trying to open /dev/sdf1. ext2fs_open2: Bad magic number in super-block e2fsck: Superblock invalid, trying backup blocks openfs: invalid superblock checksum. Some aplications doesn't work, CDE Please help. It's much easier to use diskutil to perform a file consistency check. May 5, 2015 · I've not even tried to format it in any way. Dec 6, 2021 · I have a healthy file system, but I cannot run tune2fs on it: # tune2fs -l /dev/sda1 tune2fs 1. You do not need the "f" option if the filesystem is not journaled. 46. $ e2label /dev/sdc. 0GB primary ext4 4 50. Unmount the file system. BTW the -n option for mke2fs does not actually change anything, it just goes through the motions of Feb 21, 2023 · Your testdisk-log doesn't show anything about /dev/sdb. Using a backup superblock gives the same thing. But the main problem persisted. I stopped the array, started it backup in maintenance mode and attempted to do a xfs_repair /dev/sdb1 and got. 2GB 90. 7 (16-Oct-2017) $ ext2fs_open2: Bad magic number in super-block. 10-24-2000 01:17 AM. ext4: Bad magic number in super-block while trying to open /dev/vg1001/lv. 0GB 40. 0. sudo debugfs debugfs 1. 32. If you omit the -N option, you will create a new, empty file system. pl testvol-01 testvol ENABLED ACTIVE 2097152 CONCAT - RW. This will label the disk. Oct 31, 2023 · ext2fs_open2: Bad magic number in super-block fsck. hpserv220:/ # ext2fs_open2: Bad magic number in super-block fsck. The disks were using raw partitions beginning at block 0 (cylinder 0). Re: Bad superblock: Magic number wrong Firstly, use the raw device i. Here is a vxfs file-system I have created and mounted: bash-2. Run the format () command and choose the disk from the menu. The superblock could not be read or does not describe a valid ext2 Nov 25, 2007 · Nov 25, 2007 11:53 AM in response to George Kopeczky. 6 on PIII 450 The System has 2 drives Root is at /dev/da0 a 4. Boot from the network or local Solaris DVD, and attempt the following steps. ext2: Bad magic number in super-block while trying to open /dev/sda The superblock could not be read or does not describe a correct ext2 filesystem. you should find a superblock in a partition like /dev/sdb1 or so but you have to use appropriate tool depending on filesystem type. If the device is valid and it really contains an ext2/ext3/ext4 filesystem (and not swap or ufs or something else), then the superblock is corrupt, and you might try running e2fsck with an alternate superblock: e2fsck -b 8193 or e2fsck -b 32768 Use this info (a number) to restore superblocks: e2fsck -b 123456 /dev/sdX. Ive done a bit of research on this "error" but am wondering if others have had trouble with larger drives in external enclosures. filesystem (and not swap or ufs or something else), then the superblock. 9 (28-Dec-2013) tune2fs: Bad magic number in super-block while trying to open /dev/sda1 Couldn't find Feb 9, 2023 · fsck. It was an ext4 partition. ext2: Bad magic number in super-block while trying to open /dev/sdb The superblock could not be read or does not describe a correct ext2 filesystem. Change to a directory outside the damaged file system. For example, consider this base64 encrypted output: # echo foo | openssl enc -aes256 Also get the message: Metadata corruption detected at xfs_inode_buf_verify+0x75/0xd0 [xfs], block 0x2d01c10 XFS (dm-2): Unmount and run xfs_repair. ext2: Bad magic number in super-block while trying to open /dev/sda. Good luck View in context. ntfsfix v2015. 05# vxprint -g testingdg -htq testvol. 2GB 50. You cannot e2fsck an entire drive /dev/sdd, so of course you got bad or missing superblock. 14AR. From a locally-connected DVD, use the following command: Oct 11, 2014 · Create new primary partition, set type as linux lvm. ext4: Superblock invalid, trying backup blocks… fsck. Found a dos partition table in /dev/sdb. The server is running debian: Sep 2, 2014 · First you must resize the partition table by running fdisk on the logical volume. and got the error: dumpe2fs: Bad magic number in super-block while trying to open /dev/sda1. If you forced the check it might even have caused some damage, and Jan 16, 2019 · What is “Bad magic number in superblock”? The magic number of the file system is stored in the Superblock. 1 e2fsck 1. Become superuser. ext4: Bad magic number in super-block while trying to open /dev/sda5 The superblock could not be read or does not describe a valid ext2/ext3/ext4 filesystem. The superblock could not be read or does not describe a correct ext2 filesystem. -b tries to fix bad clusters and -d to fix dirty states. 5 (29-Jul-2012) resize2fs: Bad magic number in super-block while trying to open /dev/sda2. Jul 17, 2018 · I'm trying to resize a Linux partition, but after tweaking a lot with this disk I don't know If I have totally corrupted it. Usually the second superblock copy is at block 32. bin and got this: Wrong Ramdisk Image Format Ramdisk image is corrupt or invalid So I tried my hand at compiling my own image and got this: => setenv netloadmethod tftpboot; setenv bootargs console=ttyS0,$115200 rootfstype Jun 17, 2020 · e2fsck 1. , depending upon how many partitions are on it. i. Found a dos partition table in /dev/sdc. means that the partition is not an ext2 / ext3 partition. The superblock could not be read or does not describe a correct ext2. When it asks to repair blocks select yes by pressing ' y '. sudo ntfsfix -b -d /dev/sda6. 2. 1) Last updated on OCTOBER 24, 2023. Apr 1, 2020 · The root filesystem on /dev/sda1 requires manual fsck. Then following some tutorial I do. Apr 9, 2018 · This is my 1st time compiling anything so go easy on me. If the device is valid and it really contains an ext2. Then run fsck using an alternative superblock: # fsck -F ufs -o b=<block number> <filesystem device>. If these steps fail, recreate the root ( /) file system by using the newfs command and restore it from a backup copy. Unless you chose otherwise, the volume was likely set up as an HFS volume rather than a UFS volume. Run the fmthard () command in a situation where there are many disks and a script should be employed. mount: wrong fs type, bad option, bad superblock on /dev/sdb on CentOS 6. Feb 11, 2018 · And this is where it goes wrong: Bad magic number in super-block. AFAICS your system doesn't recognize the partition. 5 (30-Dec-2021) ext2fs_open2: Bad magic number in super-block fsck. e2label: Bad magic number in super-block while trying to open /dev/sdc. Mar 6, 2013 · ext2fs_open2: Bad magic number in super-block fsck. Display the superblock values with the newfs -N command. Be sure to use the newfs -N in the next step. Bad magic number on /dev/md0. 13 (17-May-2015) ext2fs_open2: Bad magic number in super-block fsck. Jan 3, 2003 · bad super block: magic number wrong use -b option to fsck to specify location of an alternate super-block to supply needed information; see fsck(1m). Finally perform an online resize to resize the logical volume, then check the available space. Check with your technical experts if critical data is involved since this action could fsck from util-linux 2. 27. 13 (17-May-2015) Creating filesystem with fsck BAD SUPER BLOCK: MAGIC NUMBER WRONG How can I repair this error. 9 (28-Dec-2013) Filesystem magic number: 0xEF53 Oct 26, 2007 · fsck. Oct 4, 2011 · Code: fsck 1. Unfortunately I can't understand why this doesn't work. root@OMCP # When we try to run the fsck it prompts to look for the superblocks using either MKFS or NEWFS, but we do not know from which command the file system is created. ext2: Superblock invalid, trying backup blocks… fsck. 39 (29-May-2006) e2fsck 1. root@archie-ds:~# vgdisplay --- Volume group --- VG Name vg1001 Aug 22, 2012 · fsck. You can run file -s /dev/sda1 to see what it thinks is on the partition /dev/sda1. Allow fsck to repair all bad blocks. is corrupt, and you might try running e2fsck with an alternate superblock: e2fsck -b 8193 <device>. Technical Notes. fsck_hfs -fy /dev/disk3s3. Aug 4, 2020 · I had to shutdown my server today to replace a part and after I restarted, I found that my Unassigned device would no longer mount. Then try again to mkfs. What am I doing wrong? Thanks! Best regards, Nikolai Jun 26, 2023 · # fsck /dev/sdb fsck from util-linux 2. Oct 19, 2000 · Re: fsck --> Bad Super Block: Magic Number Wrong. found candidate secondary superblock verified secondary superblock would write modified primary superblock Primary superblock would have been modified. Jun 3, 2012 · The command 'e2fsck -f /dev/sda1" gives me "Bad magic number in super-block while trying to open /dev/sda1". Dec 26, 2023 · Marcus Greenwood Hatch, established in 2011 by Marcus Greenwood, has evolved significantly over the years. If the device is valid and it really contains an ext2 filesystem (and not swap or ufs or something else), then the superblock How to Restore a Bad Superblock. ext4: Bad magic number in super-block while trying to open /dev/sda3. d80-JD-75MS. Jun 28, 2017 · resize2fs /dev/vg0/simax resize2fs 1. 44. e2fsck 1. Apr 3, 2019 · Resolution: 1. 2 (28-Feb-2021) ext2fs_open2: Bad magic number in super-block e2fsck: Superblock invalid, trying backup blocks e2fsck: Bad magic number in super-block while trying to open /dev/md0 The superblock could not be read or does not describe a valid ext2/ext3/ext4 filesystem. 2GB 40 Error: bad restore file magic number (file may be corrupted) -- no data loaded In addition: Warning message: file ‘WORKSPACE_Wedding_Weekend_September’ has magic number '#gets' Use of save versions prior to 2 is deprecated Sep 14, 2023 · [david@another r4s]$ LANG=C sudo fsck /dev/loop0 fsck from util-linux 2. or. 1 and later Oracle Cloud Infrastructure - Version N/A and later Linux x86-64 Goal /dev/sda5 is in use. 39 (29-May-2006) fsck. ext2: Bad magic number in super-block while trying to open /dev/loop0 The superblock could not be read or does not describe a valid root@unraid:~# xfs_repair -n /dev/sdn1 Phase 1 - find and verify superblock bad primary superblock - bad magic number !!! attempting to find secondary superblock . ext4: Bad magic number in super-block while trying to open /dev/sdb1 and e2fsck reports a similar error: The file command recognizes files based on their magic numbers. Then you need to use kpartx to create the mapping from partition inside the volume to a device, like you already did before mounting, and then run resize2fs on the actual partition. you might try running e2fsck with an alternate superblock: fsck. #resize2fs /dev/sda2. May 5, 2015 · I've written zeros to the first 77Gb of the drive (as it took an entire day!) using dd, thinking this would help. 45. Jul 14, 2009 · I am running mandrake 8. Couldn't find valid filesystem superblock. 5 (30-Dec-2021) ext2fs_open2: Bad magic number in super-block e2fsck: Superblock invalid, trying backup blocks e2fsck: Bad magic number in super-block while trying to open /dev/sdb The superblock could not be read or does not describe a valid ext2/ext3/ext4 filesystem. Thanks for giving me nice, descriptive, helpful error messages, Linux. Hello All, (RHEL4) Few weeks ago I had posted a message in this forum about the problem I had when I replaced my two scsi disks and tried rebuild raid1 array. Error: bad restore file magic number (file may be corrupted) -- no data loaded In addition: Warning message: file ‘WORKSPACE_Wedding_Weekend_September’ has magic number '#gets' Use of save versions prior to 2 is deprecated Jul 1, 2010 · bad magic number to open super block: Ritho: Linux - Newbie: 1: 03-06-2008 08:02 AM: Bad magic number in super-block: Cadmium: Linux - Newbie: 2: 10-03-2007 01:50 AM: Bad magic number in super-block while trying to open /dev/hda6: Daddyfix: Linux - Hardware: 1: 11-20-2006 10:05 PM: e2fsck: Bad magic number in super-block: jamesdin: Debian: 3: Jun 9, 2011 · For newer Ubuntus You can use -b and -d option together. e when I reboot the system, mounting of /dev/md0 fails. Then I was able to mount the device using. I don't have any problem to lose all the data on the disk in order to solve this. 2 e2fsck 1. filesystem ( and not swap or ufs or something else), then the superblock. 01. v testvol - ENABLED ACTIVE 2097152 SELECT - fsgen. 20. I'm trying to resurrect a pair of Meraki MR24s. So, in summary, expand partition, run: resize2fs /dev/vm--disks--testes--home1. Run this command to attempt to repair bad superblocks on the drive. ext2fs_open2: Bad magic number in super-block fsck. $ e2label /dev/sdb. If the device is valid and really contains a valid an ext2 filesystem (and not swap or ufs or Oct 31, 2023 · ext2fs_open2: Bad magic number in super-block fsck. 38. The number after the -b option is to specify the location of alternate copies of the super block. filesystem. Bad Super Block: Magic Number Wrong | Post 29172 by matthewbane on Tuesday 1st of October 2002 09:23:42 AM Apr 1, 2020 · The root filesystem on /dev/sda1 requires manual fsck. So the command can be. I am running mandrake 8. 5 (29-Jul-2012) ext2fs_open2: Bad magic number in super-block fsck. fsck. Note: This could be detrimental to restoring data. 5. How to Restore a Bad Superblock. Mar 25, 2024 · The superblock could not be read or does not describe a valid ext2/ext3/ext4 filesystem. 2 and when booting I get the message: e2fschk: Bad magic number in super-block while trying to open /dev/hda8. ext3: Bad magic number in super-block while trying to open /dev/sda6 The superblock could not be read or does not describe a correct ext2 filesystem. ext4 /dev/sdX (or whatever filesystem you want) Just in case someone find this thread and want the right answer. 6 webserver had problems. I booted the computer from USB in live mode and ran the following command: sudo dumpe2fs /dev/sda1. Every time I try to recreate the partition table on the drive, every partition tells me that the superblock has a bad magic number. If the device is valid and it really contains an ext2 filesystem (and not swap or ufs or something else), then the superblock is corrupt, and you might try running e2fsck with an alternate Aug 13, 2007 · I am running mandrake 8. --help shows them. fsck /dev/sda1 (replace /dev/sda1 with the drive you want to fix). If the superblock in the root ( /) file system becomes damaged and you cannot restore it, you have two choices: Reinstall the system. 2GB 10. If the -o p option was specified, the free-block count in the superblock is fixed automatically. fsck: "Bad super block: magic number wrong". Problem is, it works fine on Windows. SOLUTION: For all of the things that were right, making the volume with fsck and making the filesystem with mkfs are two separate operations. /dev/sda5 contains a ext4 file system**. 2GB 120GB 69. 42. Oct 19, 2011 · Bad Super Block: Magic Number Wrong I had a power outage a day ago and when the power came back on my FreeBSD 4. xfs_repair /dev/sdb1. This magic number is used by OS to determine which is the file system related to disk /dev/sdb [root@sss ~]# dumpe2fs -h /dev/sdb |grep -i magic dumpe2fs 1. resize2fs 1. e /dev/vg00/rlvol1 not /dev/vg00/lvol1. Whenever I try to use mdadm on the drive, I get told that the drive is not a block device, which led me to try and figure out what is wrong, to then discover this bad magic number issue. BAD SUPER BLOCK: MAGIC NUMBER WRONG LOOK FOR ALTERNATE SUPERBLOCKS? Im running a multi drive enclosure via FW400 and one of the drives is a 750Gb partitioned into two partitions, roughly half and half. Determine whether the bad superblock is in the root (/), /usr, or /var file system and select one of the following: If the bad superblock is in either the root (/), /usr, or /var file system, then boot from the network or a locally connected Solaris DVD. Create a new primary volume and extend the volume group to the new volume. 1. 6 (20-Mar-2020) fsck. 5 (29-Jul-2012) resize2fs: Bad magic number in super-block while trying to open /dev/vg0/simax Couldn't find valid filesystem superblock. The superblock could not be read or does not describe a valid ext2/ext3/ext4. dumpe2fs is for ext2,3,4 filesystems, it will not work for fat or ntfs. The message you are getting likely is a result of trying to run /sibn/fsck on an HFS volume rather than /sbin/fsck_hfs. You might need to try several of the superblocks from the previous step. 3 GB SCSI drive And I am missing my /var that was on a 20GB IDE drive /dev/ad0. 43. root@archie-ds:~# vgdisplay --- Volume group --- VG Name vg1001 Sep 30, 2002 · Alternate super block location: 34693152 ** /dev/ad0s1e BAD SUPER BLOCK: MAGIC NUMBER WRONG. Oct 24, 2023 · How to Recover Corrupted Superblock (Bad magic number in superblock) on Oracle VM Repository or Poolfs (Doc ID 2127003. 8GB extended 5 50. Just a reminder, make sure that raw device isn't managed by RDBMS. $ e2fsck -f /dev/sdd1. But it says there is a dos partition table on /dev/sdb. Specific reasons for a damaged super block include: a wrong magic number, an out-of-range number of cylinder groups (NCG) or cylinders per group (CPG), the wrong number of cylinders, a preposterously large super block size, and trashed values in super block. Oct 21, 2021 · e2fsck 1. ext4 /dev/sdb1 e2fsck 1. $ e2fsck 1. 42 (29-Nov-2011) fsck. But then I get this error: fsck from util-linux 2. Applies to: Oracle VM - Version 3. Caution -. ext4: Bad magic number in super-block while trying to open /dev/sdb1. Why can the mount points of debugfs and sysfs be overlapped? Hot Network Questions Dec 16, 2022 · If the device is valid and it really contains an ext2/ext3/ext4. . 1 (24-Mar-2018) Warning! /dev/md2 is in use. Jul 1, 2010 · bad magic number to open super block: Ritho: Linux - Newbie: 1: 03-06-2008 08:02 AM: Bad magic number in super-block: Cadmium: Linux - Newbie: 2: 10-03-2007 01:50 AM: Bad magic number in super-block while trying to open /dev/hda6: Daddyfix: Linux - Hardware: 1: 11-20-2006 10:05 PM: e2fsck: Bad magic number in super-block: jamesdin: Debian: 3: Apr 13, 2023 · e2fsck 1. The easiest solution is to base64 --decode before decrypting. May 29, 2009 · Bad Super Block: Magic Number Wrong I had a power outage a day ago and when the power came back on my FreeBSD 4. ext4: Superblock invalid, trying backup blocks fsck. It said it was unable to mount /var and made me start in single user mode and said to run fsck MANUALY. ext2: Superblock invalid, trying backup blocks fsck. 1 (libntfs-3g) Usage: ntfsfix [options] device. Running FreeBSD 4. Jun 4, 2020 · fsck /dev/sda is not good- might have wrecked your superblock, fsck /dev/sda1 would be correct. :D. . 2GB 200MB primary ext2 3 40. Jun 29, 2015 · Information: You may need to update /etc/fstab. Share. The label eventually gets overwritten by database programs using raw partitions, if the raw partition begins at cylinder 0. e2label Bad magic number in super-block? Ask Question Asked 11 years, 4 months ago. I somehow managed to up the system with working raid1 array. # umountmount-point. e2label: Bad magic number in super-block while trying to open /dev/sdb. May 13, 2015 · You can usually tell where the superblock copies are by using: # newfs -N <filesystem device>. But there is a bug in openssl's base64 processing, it expects a newline at the end of the base64 encoded data. After running repair I see the same message: Phase 1 - find and verify superblock couldn't verify primary superblock - bad magic number !!! attempting to find secondary superblock Can't repair super block, bad magic number | Post 302562541 by dallasw1983 on Friday 7th of October 2011 08:49:56 AM Apr 27, 2014 · Code: Select all mint16@mint16 ~ $ sudo parted -l [sudo] password for mint16: Model: ATA ST3120814A (scsi) Disk /dev/sda: 120GB Sector size (logical/physical): 512B/512B Partition Table: msdos Number Start End Size Type File system Flags 1 1049kB 40. Marcus, a seasoned developer, brought a rich background in developing both B2B and consumer software for a diverse range of organizations, including hedge funds and web agencies. VGDisplay. Feb 28, 2011 · Bad Super Block: Magic Number Wrong I had a power outage a day ago and when the power came back on my FreeBSD 4. is corrupt, and you might try running Aug 7, 2009 · A search for answers to "the underlying task reported failure on exit" leads one on a wild Google chase through useless Apple support documents, unnecessary Terminal command lines that return "bad super block: magic number wrong," and complicated Unix forum threads. I've not even tried to format it in any way. Its decisions are based on a database typically found in /etc/magic or /usr/share/misc/magic. The superblock could not be read or does not describe a valid ext2/ext3/ext4 filesystem. After that try to repair the filesystem using e2fsck -b SUPERBLOCK_NUMBER /dev/md0, start with the lowest super block number and hope that there is any super block left. Try e2fsck for partition (s) on it, like /dev/sdd1, etc. Openssl can base64 decode and decrypt in the same step with the -a or -base64 switch. 37. I really don't know what to do with it, as all the tutorials I can find tell me to use fsck or e2fsck to repair Mount failed with below error: # mount mount: wrong fs type, bad option, bad superblock on /dev/mapper/testvg-testlv e2fsck failed with below error: e2fsck: Bad magic Aug 29, 2006 · Bad Super Block: Magic Number Wrong I had a power outage a day ago and when the power came back on my FreeBSD 4. Mar 13, 2002 · I am running mandrake 8. e2fsck: Bad magic number in super-block while trying to open /dev/md2 The superblock could not be read or does not describe a valid ext2/ext3/ext4 filesystem. Specific commands may use different magic numbers to recognize the file formats they can cope with. Jul 9, 2017 · Re: ext2fs_open2: Bad magic number in super-block. ext2: Bad magic number in super-block while trying to open /dev/sdb. Use fsck_hfs on a HFS filesytem-. Attempt to fix an NTFS partition. so with the warning given, we want get an advise on the best possible way to proceed for the file system repair. The disk label (VTOC) is kept on the block 0 of cylinder 0. So I still can not fix or mount the /dev/ad0s1e drive. Check the physical volume for free space, extend the logical volume with the free space. 43-WIP (20-Jun-2013) debugfs: open /dev/sda2 /dev/sda2: Bad magic number in super-block while opening filesystem Somewhere on the internet I found advice to run sync prior to that -- but it hasn't made any difference. Jan 3, 2018 · ubuntu@ubuntu:~$ sudo fsck /dev/sdb1 fsck from util-linux 2. Mar 11, 2013 · tune2fs: Bad magic number in super-block while trying to open /dev/sda3 Sep 10, 2022 · tune2fs: Bad magic number in super-block while trying to open /dev/nvme0n1p4 Jun 25, 2022 · Recover ext4 partition with bad superblock? (Failed after resizing, backup magic numbers don't work) Apr 13, 2023 · Look for the output line Superblock backups stored on blocks: and remember the super block numbers, for example 32768, 98304 and etc. sudo mount /dev/sda /media/ubuntu. Apr 19, 2009 · I'm going to take an educated guess that you are using fsck on a HFS filesystem. fi bx ld au oo ai di sk cx lp