This check can be done automatically during boot time or ran manually. Bad magic number in superblock while trying to open devsdb devsdb. Bad magic number in superblock while trying to open devloop1 fsck. Oct 16, 2005 finally, run fsck on the partition, enter. Bad magic number in superblock while trying to open devsda5 the superblock could not be read or does not describe a valid ext2ext3ext4 filesystem. Bad magic number in superblock while trying to open devsdb3. Nov 06, 2017 checking ext2 ext3 ext4 filesystems for errors. Bad magic number in superblock while trying to open devsdb since i am sure thanks to gparted that i am dealing with an ntfs file system, and not ext09 i think that the proposed solution running ef2fsck is not applicable to me. Bad magic number in superblock while trying to open devsdf the superblock could not be read or does not describe a correct ext2 filesystem. Bad magic number in superblock while trying to open devsdb the superblock could not be read or does not describe a correct ext2 filesystem. Bad magic number in superblock while trying to open devsdb1 the superblock could not be read or does not describe a valid ext2 ext3 ext4 filesystem. Bad magic number in superblock while trying to open devsdb1. I find this behaviour strange since the only partition i mount with ext2fsd is the ext3 partition.
I believe if certain memory segments can be avoided to. Recently, one of our sys admin run the command on ext3 file system wo specifying file system. In order to run fsck, you will need to ensure that the partition you are going to check is not mounted. Fsck will manage the filesystem checkers so that only one of them will display a.
Need some serious help to protect my file through fsck in. If the device is valid and it really contains an ext2ext3ext4. Hdd sda1 mounts but wont boot 1tb hdd, ext3, desktop ubuntu. Bad magic number in superblock while trying to open devsda2 the superblock could not be read or does not describe a correct ext2 filesystem. The superblock could not be read or does not describe a valid ext2ext3ext4 filesystem. So, every so often after upgrading my ubuntu server, i occasionally get an error during boot, saying the following. Bad magic number in superblock while trying to open devsdb the superblock could not be read or does not describe a valid ext2 ext3 ext4 filesystem.
The resize2fs program will resize ext2 or ext3 file systems. Very often, the bad information in the primary superblock might not have been propagated to the. Jul 15, 2009 using the info from the first command, fdisk and the uuid number from the second command, blkid, you can work out which device has which uuid number. This can be completed via system utility called fsck file system consistency check. Check and repair your filesystem with fsck linux make.
The linux e2fsck is only for checking and fixing errors in filesystem types ext2, ext3 and ext4. 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. For ext3 and ext4 filesystems that use a journal, if the system has been shut down. The bad magic number in superblock error message basically means i cannot find.
If the device is valid and it really contains a 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. Repair a broken sd card superblock on a raspberrypi. Set the bad blocks list to be the list of blocks specified by filename. If the is valid and it really contains an ext2ext3ext4 and not. Bad magic number in superblock while trying to open devsda2. Attempt to read block from filesystem resulted in short read while reading block 11931 jbd.
Bad magic number in superblock while trying to open dev. I have got this fixed by doing as i mentioned above. 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. Bad magic number in superblock unix and linux forums.
Perhaps read up on fsck if you choose to use it and understand its repercussions if things go pear shape. How to recover data from a corrupted ext3 partition. Bad magic number in superblock while trying to open devsdd the superblock could not be read or does not describe a valid ext2ext3ext4 filesystem. Bad magic number in superblock while trying to open devloop1 comment 7 dick gevers 20141127.
You need to enter in to rescue mode via either single user mode or by uploading and booting rescue iso on cloud server. Bad magic number magic number wrong restore primary. Attempting to extend filesystem in rhel 7 returns bad magic number in superblock solution verified updated 20151028t14. Bad magic number in superblock while trying to open devsdb5 the superblock could not be read or does not describe a correct ext2 filesystem. Bad magic number in superblock while trying to open devsdel devsdel. This option is the same as the l option, except the bad blocks list is cleared before the blocks listed in the file are added to the bad blocks list. How to resolve bad magic number in superblock error ux techno. Bad magic number in superblock while trying to open devsda5 the superblock could not be read or does not describe a correct ext4. Recovering accidentally formatted ext4 partition fixing.
Bad magic number in superblock while trying to open devsda5. This allows configurations which have a large number of disks to avoid fsck starting too many filesystem checkers at once, which might overload cpu and memory resources available on the system. My root partition is ext4 and my home partition is ext3. Bad magic number in superblock while trying to open devsdb1 and e2fsck reports a similar error. Here, you can change ext4 to ext3 or ext2 to suit the filesystem. Need some serious help to protect my file through fsck in linux. Attempting to extend filesystem in rhel 7 returns bad. Fsck will manage the filesystem checkers so that only one of them will display a progress bar at a time. I then following the steps that show how to enlarging an ext3 partition from this link. Result was more corruption as fsck by default assumes ext2 file system. Hi, after a power failure, i cant mount one of my partitions anymore. Cant repair super block, bad magic number unix and linux forums. Sep 08, 2011 bad magic number magic number wrong very often, the bad information in the primary superblock might not have been propagated to the backup superblocks. There are different scenarios when you will want to run fsck.
Repair a broken ext4 superblock in ubuntu linux expresso. Bash and windows batch script file name variable conversion. After that, i checked if i can create and copy files. Bad magic number in superblock while trying to open devhdb1 the superblock could not be read or does not describe a correct ext2 filesystem. Bad magic number in superblock while trying to open devsda5 the superblock could not be read or does not describe a valid ext2 ext3 ext4 filesystem. In linux and mac, there is this powerful command fsck that you can use to check and repair your filesystem. Bad magic number in superblock while trying to open devsda6 the superblock could not be read or does not describe a valid ext2ext3ext4 filesystem. Recovering a bad partition table ars technica openforum.
Bad magic number in superblock while trying to open devsda the superblock could not be read or does not describe a valid. I have run fsck and this is what i get for the drive that wont mount. Bad magic number in superblock while trying to open devloop1 last modified. How to use fsck to repair file system errors in linux. The superblock could not be read or does not describe a correct ext2 filesystem. Bad magic number in superblock while trying to open devsdb1 and e2fsck reports a. Im running a dual boot system with windows 7 and puppy linux ubuntu based bionic. How to resolve bad magic number in superblock error ux. If the device is not valid and it really contains an ext2 filesystem and not swap or ufs or something else, then the superblock is corrupt, and you might want to try running. Cant start ubuntu after windows update in a dual boot system.
Bad magic number in superblock while trying to open devsda6 couldnt find valid filesystem superblock. Then make sure in your etcfstab file, you refer to devices using uuidxxxxxxxxxxxxxxx instead of devsdxx. Bad magic number in superblock while trying to open. Repairing linux ext2 or ext3 or ext4 file system fsck. Bad magic number in superblock while trying to open devsdb the superblock could not be read or does not describe a. Bad magic number in superblock while trying to open devsdb the superblock could not be read or does not describe a valid ext2ext3ext4 filesystem. Bad magic number in superblock while trying to open devsdc1. Bad magic number in superblock while trying to open devsdb2 the superblock could not be read or does not describe a.
Bad magic number in superblock while trying to open devsda the superblock could not be read or does not describe a valid ext2 ext3 ext4 filesystem. Linux ext2ext3 superblock recovery kezhongs weblog. Bad magic number in superblock while trying to open devmd2 the superblock could not be read or does not describe a valid ext2 ext3 ext4 filesystem. Bad magic number in superblock while trying to open devmd1 the superblock could not be read or does not describe a valid ext2 ext3 ext4 filesystem. The easiest and safest way to unmount your disk is to use rescue mode. Bad magic number in superblock while trying to open devmd1 the superblock could not be read or does not describe a valid ext2ext3ext4 filesystem. You can issue the n parameter so it wont commit any changes if you like under a live linux distro. If the device is valid and it really contains an ext2 ext3 ext4. If the primary superblock of any filesystem referenced in the vfstab, to automatically mount during booting is corrupted, the system will fail fsck during bootup with the following message. Bad magic number in superblock while trying to open devmd2. If the device is valid and really contains a valid an ext2 filesystem and not swap or ufs or something else then the superblock is corrupt and you might try running e2fsck with an alternative superblock. Perhaps this is what youre after as a alternative to windows. The superblock could not be read or does not describe a valid ext2ext3ext4. Boot error because e2fsck thinks ext3 filesystem is ext2 opensuse.
You should boot from live distribution, such as ubuntu live cd running fsck on a mounted system is very dangerous, and run fsck on your file system, one partition at a time. No such device or address while trying to reopen var1 e2fsck. Hence we have chances to use a backup superblock for the fsck command to save the corrupted filesystem. Cant start ubuntu after windows update in a dual boot. I will give the fsck c a try after badblocks finishes. Bad magic number in the superblock while trying to open devhdb5 devhdb5. The superblock could not be read or does not describe a valid ext2ext3. How to run fsck to repair linux file system errors.
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 e2fssck with an alternate. Bad magic number in superblock while trying to open devsdb2 the superblock could not be read or does not describe a valid ext2 ext3 ext4 filesystem. The man page says it supports onlne ie while mounted resizing of ext3 with 2. For ext3 and ext4 filesystems that use a journal, if the system has been shut down uncleanly without any errors, normally, after replaying the committed transactions in the journal, the file system should be marked as clean. It appears that resize3fs may not support ext3 in any way for some or all of the 2.
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