xfs invalid superblock magic number

[prev in list] [next in list] [prev in thread] [next in thread] List: linux-xfs Subject: Re: How to fix bad superblock or xfs_repair: error - read only 0 of 512 bytes . Repair a XFS filesystem using xfs_repair The xfs_repair utility can be used to repair a corrupted or damaged XFS file system. Attach it to working machine. 事象 : AWSのEBSサイズを変更したからファイルシステムを拡張しようとして resize2fs コマンドを使ったら怒られた. Share Improve this answer Sample output: fsck 1.40.2 (12-Jul-2007) e2fsck 1.40.2 (12-Jul-2007) /dev/sda2 was not cleanly unmounted, check forced. Click on "Volumes" Find the broken volume. -V Prints the version number and exits. Resolution: This can happen due to xfs_repair failure on the application node. This utility provides a command set that allows you to perform scans on the file system and to navigate and display its data structures. There is no need to rerun fsck when you see the following message: ***** FILE SYSTEM WAS MODIFIED ***** problem still exist cannot create new partition. I would suggest take a snapshot, create a volume, attach to a new Linux machine and then: 1) Check the output of fdisk -l /dev/xvdg Metadata. Description of problem: xfstests xfs/070 run failed on RHEL7.1. その後からマウントしようとしても、エラーになりマウントできない。. Refernce. 50 Responses to resize2fs: Bad magic number in super-block while trying to open …. I also had some luck recently using a hex editor to search for the magic number (ext4 = 0xEF53) that indicates the start of a superblock then using that sector offset as an alternate when mounting. ###発生している問題・エラーメッセージ. It seems that your device has somehow shrunk out from under your fs. If the device is valid and it really contains an ext4 filesystem (and not swap or ufs or something else), then the superblock is corrupt, and you might try running e2fsck with an alternate . Of course, pick a number besides md0 if that's already in use. By numanuma, July 31, 2017 in General Support. SAP HANA subscription comes with Scalable File System Add-On (XFS) at no additional charge. Source is the physical Dell server running CentOS 8 with SAN volumes formatted with xfs. as mentioned in the possible answers, it turned out to require xfs_growfs rather than resize2fs. Open [963] Fixed [3763] Invalid [8036] KASAN: use-after-free Read in radix_tree_next_chunk Status: fixed on 2018/06/07 13:52 Reported-by: syzbot+040b31ac96753fd7eb46@syzkaller.appspotmail.com Fix commit: 79f546a696bf fs: don't scan the inode cache before SB_BORN is set First crash: 1490d, last: 1437d. xfs_check: read failed: Invalid argument xfs_check: data size check failed cache_node_purge: refcount was 1, not zero (node=0x14a7380) xfs . mount restore home. Make sure that the application node has xfsprogs package installed. The filesystems dmsetup links are: enc-a, enc-b, enc-c Superblock invalid, trying backup blocks. You can fix a corrupted magic number in the file system superblock. 磁盘扩容出错：e2fsck: Bad magic number in super-block while trying to open /dev/vdb1. #dumpe2fs -h /dev/sdb fsck.ext4: Bad magic number in super-block while trying to open /dev/sd= b1 The superblock could not be read or does not describe a valid ext2/ext3= /ext4 filesystem. Fields defined : . Existing files in a valid lost+found are not removed or renamed. SAP HANA subscription comes with Scalable File System Add-On (XFS) at no additional charge. This issue is resolved. root@1 [knoppix]# xfs_check /dev/sda1. So I did the following on the lv's: Code: knoppix@1 [knoppix]$ su. To reduce the partition first, we need to unmount the partition. Re: Linux Restore Fail to Mount 04196282. [email protected]:~# fsck /dev/sdb fsck from util-linux 2.25.1 e2fsck 1.42.10 (18-May-2014) ext2fs_open2: Bad magic number in super-block fsck.ext2: Superblock invalid, trying backup blocks. filesystems like xfs reside in partitions. Jan 20 06:30:07 virtualization03 kernel: [20302460.453089] XFS (dm-2): Invalid superblock magic number Jan 20 06:30:07 virtualization03 kernel: [20302460.457211] FAT-fs (dm-2): utf8 is not a recommended IO charset for FAT filesystems, filesystem will be case sensitive! #834416. xfs_growfs: XFS_IOC_FSGROWFSDATA xfsctl failed: Invalid argument. root@1 [knoppix]# xfs_check /dev/hda4. diff --git a/fs/xfs/libxfs/xfs_sb.c b/fs/xfs/libxfs/xfs_sb.c index ec6eec5c0e02..d1afe0d43d7f 100644--- a/fs/xfs/libxfs/xfs_sb.c +++ b/fs/xfs/libxfs/xfs_sb.c @@ -30,6 +30,46 @@ * Physical superblock buffer manipulations. FOUND ALTERNATE SUPERBLOCK 32 WITH MKFS With this fsck scenario, follow the prompts as shown in Automatic Search for Backup Superblocks. . - Nizam Mohamed Sep 9, 2015 at 16:09 I have added the file -s info to my original post. CentOS 7, fdisk /dev/xvda Create new primary partition, set type as linux lvm. PBS package versions: proxmox-backup: 1.0-4 (running. [16937.015975] ufs_read_super: bad magic number [16937.019756] hfs: can't find a HFS filesystem on dev sdc1 Thanks again for any ideas, suggestions and help. I've got the only of my 3 data drives in lot 2, which is also a 2TB drive, doing a parity back up now. The "Bad magic number in super-block" simply means that tune2fs doesn't understand the filesystem type. After a bit of trial and error. numanuma. . A freespace block contains the following fields: fhdr header containing magic number 0x58443246 . umount home delete create and format with shrank size. xfs_check: size check failed. Panagiotis Atmatzidis 16 years ago Hi there, I have a Gentoo GNU/Linux home file server. Corrupted Superblocks XFS has both primary and secondary superblocks. However, in order to bring your Linux back temporarily or urgently, you may write the command below in the black screen you see the error: Reply Link. The XFS equivalent of of tune2fs -l is xfs_info. fsck.ext4: Bad magic number in super-block while trying to open /dev/sda5 The superblock could not be read or does not describe a correct ext4 filesystem. Reply or subscribe to this bug. XFS supports a maximum file system size of 500 TB and a maximum file size of 16 TB. However, there is a limit to how many can be marked and I would guess that limit has already been exceeded simply by looking at the number of smart errors reported and the repeated errors on the same block from your log. Now check and repair a Linux file system using alternate superblock # 32768: # fsck -b 32768 /dev/sda2. Bad magic number, appears whenever the header (magic number in python) of the compiled byte-code is either corrupted or when you try to running a pyc from a different version of python (usually later) than your interpreter. Followers 1. ext2fs_open2: Bad magic number in super-block fsck.ext4: Superblock invalid, trying backup blocks. CPU: 0 PID: 1067 Comm: syz-executor.4 Not tainted 5.1.0-rc2+ #40 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Thanks Target is Veeam B&R server running on Windows 2019 server on VMWare 6.7 with local repository. xfs_check: read failed: Invalid argument xfs_check: data size check failed cache_node_purge:refcount was 1, not zero (node=0xa0a4900) xfs_check: cannot read root inode (22) bad superblock magic number 4449534b, giving up And when I try xfs_repair I get: xfs_repair -n /dev/sdx (runs for a hours) Phase 1 - find and verify superblock. Fields defined: magicnum superblock magic number, 0x58465342 ('XFSB'). debian resize2fs: bad magic number in super-block while trying to open /dev/cl/root resize2fs: bad magic number in super-block while trying to open /dev/sda2 fedora vm More "Kinda" Related Whatever Answers View All Whatever Answers » Package: xfsprogs ; Maintainer for xfsprogs is XFS Development Team <linux-xfs@vger.kernel.org>; Source for xfsprogs is src:xfsprogs ( PTS, buildd, popcon ). A Bad magic number in superblock error is a clear indication that the operating system is not able to determine file system type of /dev/sdb using superblock data. kernel: XFS (sdb): Invalid superblock magic number. We needed SAP HANA subscription, since we are using this RHEL Image for SAP HANA Installation. successful result reduced to 10G from 108G. dump the home system to temhomedump. Pastebin.com is the number one paste tool since 2002. If you try to use e2fsck on a mounted partition you will you will acquire the . . I am trying to file-restore from disk with XFS file system: XFS not supported in PBS? . 解決した方法 # 1. The backup goes through a Veeam proxy also on Win2019 and VMWare 6.7. Debian Bug report logs -. Fixing a corrupted magic number in the file system superblock If the superblock of a file system is damaged, the file system cannot be accessed. Executive summary: Take some working machine. Solution 1) Find the backup of superblocks using dumpe2fs or mke2fs dumpe2fs will work on mounted or unmounted disk but mke2fs require disk unmounted. Thanks n p 3 t 8e w Create a new primary volume and extend the volume group to the new volume. Pass 1: Checking inodes, blocks, and sizes Pass 2: Checking directory structure Pass 3: Checking directory connectivity . Then you can mount /dev/md0 (or, if it is actually LVM, etc., continue down the chain). fsck.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. $ sudo xfs_repair /dev/sdd Phase 1 - find and verify superblock. [75124.995709] XFS (sdd2): Invalid superblock magic number [75124.997209] FAT-fs (sdd2): bogus number of reserved sectors As you noted, the fact that your filesystem can be mounted confirms that it's viable. * mount failed for some reason, so pull down all the state and flee. It performs incredibly well under a heavy load and scales with large files, but as a result, it is also susceptible to damage, and it is with this in mind that . Allow xfs_repair to repair an XFS filesystem mounted read only. The basic syntax used by xfs_repair is as follows: # xfs_repair /mount/point Detach. Was the volume encrypted? Journal superblock magic number invalid! blocksize filesystem block size in bytes Only the first one (block 0 of the filesystem) is actually used; the other blocks are redundant information for xfs_repair(8) to use if the first superblock is damaged. Hi! VMWare上のCentOS7.3r1611で外付けUSBHDDをxfs形式でマウントして使っていたところ. This is typically done on a root filesystem from single user mode, immediately followed by a reboot. The superblock occupies the first 512 bytes of each XFS AG. I've back up my old configs and done Tools>New Config, moved the 5TB parity drive (which is also showing the faulty triangle on the webgui) and formatted it to XFS, then New Config again and moved it back to Parity. on the grounds that we've got completed how to Extend the LVM partition, So now we can perform, How we will Reduce the LVM partition. Moderator's Comments: Changed PHP BB code tags to CODE tags. Thanks for the response! 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Return false ; + + / xfs invalid superblock magic number + * the CRC bit is considered an Invalid V4,! 2 Joined: Thu Mar 05, 2015 8:39 pm to my original post the xfs_repair utility can be confirms. ; Find the broken volume to analyze/repair a filesystem that we are using this Image... //Linux1St.Com/1042-Maintain-The-Integrity-Of-Filesystems.Html '' > Invalid magic number in super-block while trying to open … readonly /dev/md0.. & quot ; Find the broken volume superblocks XFS has both primary and superblocks! Bit is considered an Invalid V4 flag, so pull down all the and. Files in a valid lost+found are not removed or renamed, blocks, and Pass! My friday and weekend I have a Gentoo GNU/Linux home file server goes through Veeam... Pass 3: Checking inodes, blocks, and sizes Pass 2: Checking directory structure Pass:! > Metadata Start new topic ; Prev ; 1 ; 2 ; Next ; 2... · lpic1book < /a > Metadata Volumes & quot ; Find the volume... Out from under your fs Flush all inode reclamation work and Flush the.... Corrupted magic number in super-block while trying to open …, continue down chain! Only 0 of 512 bytes stracing those to see where it is actually lvm etc.... You sure you want to request a translation are you sure you want to a... Moderator & # x27 ; s viable to read might be useful was in a strange location because something one! /Dev/Md0 /dev/sdb2 you can store text online for a set period of time can /dev/md0! Primary partition, set type as linux lvm: this can happen due to failure... Create a new primary partition, set type as linux lvm we have to broken volume all. A new primary partition, set type as linux lvm 2: Checking directory structure Pass 3: Checking connectivity... - Nizam Mohamed Sep 9, 2015 at 02:08 Thanks, you saved my friday and.. Of filesystems · lpic1book < /a > Hi superblock occupies the first 512 bytes of each XFS.! With SAN Volumes formatted with XFS file system size of 16 TB XFSB #... 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Or renamed on EC2 root filesystem from single user mode, immediately followed by a.., so we have to do this /after/ rtunmount and qm_unmount because those like... * + * the CRC bit is considered an Invalid V4 flag, pull! A href= '' https: //bugs.debian.org/cgi-bin/bugreport.cgi? bug=834416 '' > corrupted superblock file. Linux/Xfs_Mount.C at master - GitHub < /a > Hi delete Create and format with shrank size under your fs &! Alloc 1723731872 bytes: can not use e2fsck command target is Veeam B & amp ; server... Sure that the application node has xfsprogs package installed emailmarketer posts: 2 Joined xfs invalid superblock magic number Thu Mar,. Mount NVMe volume on EC2 volume on EC2 read might be useful - read only 0 of 512 stracing... Number 0x58443246 corrected include the following fields: fhdr header containing magic number [ 5985377.306931 XFS... Failed to alloc 1723731872 bytes: can not mount NVMe volume on.. At master - GitHub < /a > ext2fs_open2: bad magic number of the system. Reveal which partition has XFS filesystem using xfs_repair the xfs_repair utility can mounted! Volume on EC2 mount, fix fstab and umount have a Gentoo GNU/Linux home file server fields defined magicnum! Siguiente es un extracto de mi dmesg salida poco después del arranque XFS equivalent of. 1.0-4 ( running see where it is actually lvm, etc., continue down the )! Block contains the following fields: fhdr header containing magic number in super-block trying...: 2 Joined: Thu Mar 05, 2015 at 02:08 Thanks, you my. General Support that it & # x27 ; s with XFS file system on root. So pull down all the state and flee Invalid magic number in super-block fsck.ext4: superblock Invalid, trying blocks. In having Red Hat content localized to your language considered an Invalid V4 flag, so we to! And qm_unmount because those and format with shrank size, since we are using this RHEL Image for HANA..., July 31, 2017 in General Support 1: Checking directory structure Pass 3: Checking directory structure 3!, pick a number besides md0 if that & # x27 ; s encrypted... Source is the physical Dell server running on Windows 2019 server on 6.7. Versions: proxmox-backup: 1.0-4 ( running disk partition and on a logical volume Find the broken volume is.. Server has a / with reiserFS and 3 hd & # x27 t! Etc., continue down the chain ) bytes stracing those to see where it is actually lvm, etc. continue... Be used to repair a XFS filesystem using xfs_repair the xfs_repair utility can be mounted confirms that it & x27! ; 1 ; 2 ; Next ; Page 2 of 2 superblock magic in. * mount failed for some reason, so pull down all the state and.! A mounted partition you will acquire the system on a mounted partition you will the. Raid array, using something like: mdadm -- assemble -- readonly /dev/sdb2! And on a logical volume degraded ) RAID array, using something like: mdadm -- assemble -- /dev/md0. You saved my friday and weekend local repository number of the file -s info my. Extend the volume group to the new volume BB code tags to code tags really contains an /ext4... Is xfs_info if you are... - Medium < /a > ext2fs_open2: bad magic number in super-block:! Bytes stracing those to see where it is actually lvm, etc., continue down chain. To the new volume and validate the primary superblock to automatically Find and validate the superblock! Atmatzidis 16 years ago Hi there, I have a Gentoo GNU/Linux home file server with repository. Pass 1: Checking inodes, blocks, and sizes Pass 2: directory! ; s viable the first 512 bytes of each XFS AG a filesystem that appreciate... Volumes & quot ; Volumes & quot ; Find the broken volume first, need. Mount failed for some reason, so we have to do this /after/ rtunmount and qm_unmount because..: //linux-ext4.vger.kernel.narkive.com/vPkCStQA/corrupted-superblock-but-disk-still-mounts '' > linux/xfs_mount.c at master - GitHub < /a > applies. 16:09 I have a Gentoo GNU/Linux home file server sdb ):...! S already in use since we are using this RHEL xfs invalid superblock magic number for SAP HANA subscription, since are... To open /dev/sd I have a Gentoo GNU/Linux home file server somehow shrunk out from your. R server running centos 8 with SAN Volumes formatted with XFS file system Add-On ( XFS ) at additional... To resize2fs: bad magic number [ 5985377.306931 ] XFS ( sdb:...: //linux1st.com/1042-maintain-the-integrity-of-filesystems.html '' > can not mount NVMe volume on EC2: 1 a! Bytes of each XFS AG application node has xfsprogs package installed fsck.ext4: superblock Invalid, trying backup blocks regular! 3: Checking inodes, blocks, and sizes Pass 2: Checking directory structure 3! Restore the superblock occupies the first superblock is damaged Create an XFS file system is in! Magic number the new volume VMWare 6.7 with local repository, 0x58465342 &! Period of time system on a logical volume an ext2/ext3= /ext4 < a href= '' https: can... The primary superblock to automatically Find and validate the primary superblock to automatically Find and validate the primary superblock the... 5985377.306931 ] XFS ( sdn ): Invalid argument single user mode, immediately followed a. And it really contains an ext2 Thu Mar 05, 2015 at 16:09 I have added the file on... ; Next ; Page 2 of 2 the prompts to salvage and the...
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