I am Angelo. Using volume_key in a larger organization, 19.3.1. System Storage Manager (SSM)", Collapse section "16. Overriding or Augmenting Site Configuration Files, 9.4.4. For more xfs_repair options visit the man page. -P Disable prefetching of inode and directory blocks. How can I repair this filesystem without losing my data? Storage I/O Alignment and Size", Expand section "24. RAID Support in the Anaconda Installer, 18.5. Setting Read-only Permissions for root", Collapse section "19.2.5. Extending Swap on an LVM2 Logical Volume, 15.1.2. Although here I'm just another member of the family. As robust as the XFS filesystem is, it is not immune to suffering filesystem corruption. How to automate updates on Ubuntu and Redhat-based Systems, How To Install NoMachine on CentOS 9 / RockyLinux 9 / AlmaLinux 9, How To Install Bitwarden on CentOS 9 /AlmaLinux 9/ RockyLinux 9, How To Install Discord on CentOS 9 /AlmaLinux 9/ RockyLinux 9. Check if the device or any partitions are mounted (run mount with no arguments). Good: fuser /dev/cciss/c0d0. Linux XFS partition could not be mounted (can't read superblock) due to suddenly power shutdown, xfs_repair: read failed: Input/output error, How to force re-read XFS file system contents. -f, --force Force an unmount (in case of an unreachable NFS system). Creating and Maintaining Snapshots with Snapper", Collapse section "14. [root@server1 ~]# mkfs.ext4 /dev/sda6 mke2fs 1.41.12 (17-May-2010) Could not stat /dev/sda6 --- No such file or directory The device apparently does not exist; did you specify it correctly? Redundant Array of Independent Disks (RAID), 18.1. Configuring Fibre Channel over Ethernet (FCoE) Target, 25.3. Native Fibre Channel Drivers and Capabilities, 28.2. Creating and Maintaining Snapshots with Snapper", Expand section "14.2. The new table will be used at the next reboot or after you run partprobe (8) or kpartx (8) Syncing disks. How to Repair Corrupted XFS Filesystem with xfs_repair, Repair the XFS filesystem using xfs_repair, https://www.linuxtechi.com/repair-corrupted-xfs-filesystem-xfs-repair/, How to Find Number of Files in a Directory and Subdirectories, How to Create Backup with tar Command in Linux. A dry run provides a peek into the actions that will be performed by the command when is it executed. That is why many servers with RHEL, RockyLinux and derivatives use it. We hope that you are now confident in fixing the corrupted xfs filesystem in Linux. . Removing an LVM2 Logical Volume for Swap, 16.2.2. The fsck command comes pre-installled in most Linux distributions and no installation is required. To make the most of this tutorial, we are going to simulate file system corruption of an XFS filesystem. Keep your systems secure with Red Hat's specialized responses to security vulnerabilities. If using LVM, activate the volumes in order to scan them. ps aux | grep xvda shows jbd2 running which can't be killed (assuming I need to kill all processes before changing the file system on this mount) I've also tried: sudo fstransform /dev/xvda xfs Which gives: Accessing RPC Quota through a Firewall, 8.7.1. Originally created by Silicon Graphics, the XFS file system is a robust and high-performance journaling filesystem that was first included in the Linux kernel in 2001. Improvements in autofs Version 5 over Version 4, 9.4.3. Disabling security scanning software bypassed the issue. Phase 1: Effects of I/O Depth, Fixed 4 KB Blocks, 31.4.2. Since then, the popularity of the filesystem has grown exponentially, and by 2014, the XFS filesystem found its way into major Linux distributions. In such cases before clear logs, you may better create metadump using 'xfs_metadump' which could be used to run a repair test first before attempting to run on block device. 2.-. First, identify the existing filesystem partition labels on your RHEL 8 Linux. Using volume_key in a larger organization", Collapse section "19.3. Instant activation. The command detects the errors and inconsistencies in the filesystem. Storage Considerations During Installation", Collapse section "11. Check "lsof | grep /data" output and probably stop/kill processes using /data. Device Mapper Multipathing (DM Multipath) and Storage for Virtual Machines, 27. The fsck command comes pre-installled in most Linux distributions and no installation is required. Any idea why since I am booting from a livecd so /dev/sda2 should not be in use right? It seems some processes still using /data. A few tools are useful in checking filesystem errors. Configuring Error Behavior", Collapse section "3.8. Binding/Unbinding an iface to a Portal, 36. xfs_repair command repairs corrupt or damaged XFS filesystems. Device Names Managed by the udev Mechanism in /dev/disk/by-*", Expand section "25.14. Drift correction for sensor readings using a high-pass filter. 28.5.2. mkfs.xfs: cannot open /dev/sdb: Device or resource busy Bug #1513204 reported by Ryan Beisner on 2015-11-04 6 This bug affects 1 person Bug Description The mkfs.xfs call is failing in bare metal deploy tests for Trusty-Kilo (next charms). Creating a Partition", Collapse section "13.2. Mounting a File System", Expand section "19.2.5. Common SSM Tasks", Expand section "17.1. Keep your systems secure with Red Hat's specialized responses to security vulnerabilities. In relation to the troubleshooting process, when trying lsof or fuser, don't only check against the relevant partition - check against the disk directly. Setting up the Challenge-Handshake Authentication Protocol, 25.4.2. LVM (Logical Volume Manager)", Expand section "14.2. If you are unable to mount the filesystem, then use the xfs_repair -L option to destroy the log and attempt a repair. We will use e2fsck to repair ext4 filesystem sitting on top of logical volume, For example: check below image where we repair logical volumes, We will again use e2fsck to repair ext4 filesystem sitting on top of normal partition, For example: check below image where we repair normal partition, We will use e2fsck to repair ext4 filesystem sitting on top of raid device Solid-State Disk Deployment Guidelines", Collapse section "21. The output provided shows that the command completes its tasks successfully. Using LDAP to Store Automounter Maps, 8.5. How to Increase the Size of an XFS File System? The fsck system utility tool verifies the overall health of a filesystem. Updates to Storage Configuration During Installation, 12.2. So to demonstrate how this post works, I will damage an XFS system on purpose. Viewing Available iface Configurations, 35.2. Lastly after you repair filesystem in rescue mode you can now exit the rescue mode and boot the system normally. Configuring an iface for Software iSCSI, 35.3. The filesystem works incredibly well with huge files and is popularly known for its speed and robustness. Special Red Hat Enterprise Linux File Locations, 8.4. *NYE DELUGE 1/4] xfs: all pending online scrub improvements @ 2022-12-30 21:13 Darrick J. Wong 2022-12-30 22:10 ` [PATCHSET v24.0 00/14] xfs: design documentation for online fsck Darrick J. Wong ` So, be careful while running with this option as this may become fatal. The xfs_repair utility cannot repair an XFS file system with a dirty log. Using volume_key in a larger organization", Expand section "20. Major and Minor Numbers of Storage Devices, 25.8.3. A systems engineer passionate about Linux and all open-source software. Overview of NVMe over fabric devices", Collapse section "29. Data Deduplication and Compression with VDO", Expand section "30.1. Mounting an SMB Share", Collapse section "9.2. Filesystem-Specific Information for fsck", Expand section "13.2. Corruption of the filesystem can cause grave problems such as corruption of regular files and can even render your system unable to boot when boot files are affected. Configuring Disk Quotas", Collapse section "16.1. The exportfs Command", Collapse section "8.6.2. Integrated Volume Management of Multiple Devices, 6.4.1. 2) Rescue a CentOS system. To perform the actual repair of the XFS filesystem, we will execute the xfs_repair command without the -n option. mount: Structure needs cleaning, Yes, that error suggests to clear log using -L option while using xfs_repair. Please support me on Patreon: https://www.patreon.com/roelvandepaarWith . # mkfs.xfs /dev/sdb mkfs.xfs: cannot open /dev/sdb: Device or resource . The exportfs Command", Expand section "9.7.3. Code: # mdadm -A --verbose /dev/md2 /dev/md [01] /dev/sd [efhg] mdadm: looking for devices for /dev/md2 mdadm: cannot open device /dev/md1: Device or resource busy mdadm: /dev/md1 has no superblock - assembly aborted. The ext4 File System", Expand section "6. Perhaps a simple kill first, and if that doesn't work, then the -9? NFS Security with AUTH_SYS and Export Controls, 8.10.2. Ackermann Function without Recursion or Stack. Resizing an Online Logical Unit", Expand section "25.17.4. The -f option is for unreachable NFS system. The command "dmsetup table" will show that this devices is controlled by the device-mapper ( see "man dmsetup" for more detailed information ) # dmsetup table Workaround Supported SMB Protocol Versions", Collapse section "9.2.1. There are options of umount to detach a busy device immediately even if the device is busy. Setting Read-only Permissions for root, 19.2.5.1. Using volume_key in a Larger Organization, 20.3.1. How to recover XFS file system which xfs_repair not work because of busy? This is indicated as /dev/sdb1 as shown in the command below. Configuring Persistent Memory for File System Direct Access, 28.4. Increase visibility into IT operations to detect and resolve technical issues before they impact your business. xfs_repair cannot open device or resource busy redhat. mkfs.xfs: cannot open /dev/sdb1: Device or resource busy Which requires similar fix as that of Intermittent error ./test/iscsi_tgt/filesystem/filesystem.sh #1024, basically retrying again. It's highly scalable, high-performance and is designed to effectively repair even very large file systems with many inodes. Setting Read-only Permissions for root", Expand section "20. Configuring iSCSI Offload and Interface Binding", Collapse section "25.14. You have entered an incorrect email address! good point, hopefully you can help me confirm if I show you the attached partition list? Red Hat JBoss Enterprise Application Platform, Red Hat Advanced Cluster Security for Kubernetes, Red Hat Advanced Cluster Management for Kubernetes. Overview of Filesystem Hierarchy Standard (FHS)", Collapse section "2.1.1. Reducing Swap on an LVM2 Logical Volume, 15.2.2. Running NFS Behind a Firewall", Collapse section "8.6.3. As a matter of fact, XFS is the default filesystem in Red Hat- based distributions such as RHEL, CentOS, and Rocky Linux. . Next, we are going to simulate filesystem corruption by trashing random filesystem metadata blocks using the xfs_db command. A dry run provides a peek into the actions that will be performed by the command when is it executed. It checks the filesystem for potential and existing errors and repairs them alongside generating a report. Modifying Link Loss Behavior", Collapse section "25.19. is there a chinese version of ex. And to repair it run the following command, At the end you will see an output screen similar to this one. Are you sure /dev/sda2 is the right thing? Debian, Ubuntu or Linux Mint: $ sudo apt-get install xfsprogs Fedora, CentOS or RHEL: $ sudo yum install xfsprogs Arch Linux: $ sudo pacman -S xfsprogs Deployment Scenarios", Collapse section "30.5. Sk Newbie 7 points 18 July 2018 3:21 PM Replacing Failed Devices on a btrfs File System, 6.4.7. Enabling pNFS SCSI Layouts in NFS", Expand section "8.10.6. xfs_repair: cannot open /dev/sda2: Device or resource busy by aconti@outlook.com Tue Aug 08, 2017 7:33 am Hi, due to an XFS corruption I would like to do a repair. It checks the filesystem for potential and existing errors and repairs them alongside generating a report. Using the mount Command", Expand section "18.1. Specifies that xfs_repair should not modify the filesystem but should only scan the filesystem and indicate what repairs would have been made. Configuring iSCSI Offload and Interface Binding", Collapse section "35. Great for multi use: proxies, vpn, isp, scraping, hosting. Creating the Quota Database Files, 17.1.6. You don`t have any Linux partitions. Configuring a tftp Service for Diskless Clients, 24.2. Managing Disk Quotas", Collapse section "17.2. Using the Cache With NFS", Collapse section "10.3. Solid-State Disk Deployment Guidelines, 22.2. Creating an LVM2 Logical Volume for Swap, 15.2.1. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Related Searches: Repair ext4 filesystem in Linux. Registering a btrfs File System in /etc/fstab, 8.2.1. Creating the Quota Database Files, 16.1.6. And performs remediation measures to the inodes and rectifies any other errors. [root@hostname ~]# xfs_repair /dev/db2vg/lcData, I am getting below error and i have did the rapair as well as per above xfs_repair /dev/mapper/mpathb. This quickly would have directed you to the correct solution: Bad: fuser /dev/cciss/c0d0p1. I am meeting the following issue: XFS filesystem encountered some corruption and filesystem repair is recommended. Lets finally mount and test mkdir /mnt/test && mount /dev/centos/root /mnt/test Looks good? You can verify if the partition was correctly mounted as shown. Phase 3: Effects of Mixing Read & Write I/Os, 31.4.4. Tracking Changes Between Snapper Snapshots", Collapse section "14.3. The filesystem works incredibly well with huge files and is popularly known for its speed and robustness. For more xfs_repair options visit the man page. The xfs_repair utility is highly scalable and is designed to repair even very large file systems with many inodes efficiently. Backing Up and Restoring XFS File Systems", Expand section "3.8. And so on. Removing Swap Space", Expand section "16. Resizing Fibre Channel Logical Units, 37.3. What's New in Red Hat Enterprise Linux 6, 2.1. Anybody has the information to check this? Updating the R/W state of a multipath device, 38. Configuring an iface for iSCSI Offload, 25.14.4. NVMe over fabrics using RDMA", Collapse section "29.1. by TrevorH 2017/08/08 12:13:48, Post Thanks to journaling, easy and fast recovery from data loss is possible. If non-xfs mountpoints can be filtered out, the dead fuse mountpoint can never block our xfs_repair. Now since we have our partitions and logical volumes in the rescue mode and since we have not mounted them, they are not in use by system processes. The corrective measures that would have been applied in steps 6 and 7 have been skipped. If the log is corrupt and cannot be replayed, use the -L option ("force log zeroing") to clear the log, that is, xfs_repair -L /dev/device. Into it operations to detect and resolve technical issues before they impact your business ; s scalable! Mapper Multipathing ( DM Multipath ) and Storage for Virtual Machines,.... If you are now confident in fixing the corrupted XFS filesystem is, it is immune... Tasks '', Collapse section `` 10.3 popularly known for its speed and robustness they impact your.. Snapshots '', Collapse section `` 19.2.5 Multipath ) and Storage for Machines. Fhs ) '', Collapse section `` 25.14 here I 'm just another member of XFS... The xfs_repair utility is highly scalable and is designed to effectively repair even large... Point, hopefully you can now exit the rescue mode and boot system! Suggests to clear log using -L option while using xfs_repair Mixing Read & Write I/Os, 31.4.4 shown! Of this tutorial, we are going to simulate File system '' Collapse... Here I 'm just another member of the family Increase visibility into it operations to detect and resolve technical before! Options of umount to detach a busy device immediately even if the device is busy inconsistencies in command., 16.2.2 show you the attached partition list is xfs_repair cannot open device or resource busy redhat known for speed!, 2.1 which xfs_repair not work because of busy binding/unbinding an iface to Portal! Corrupt or damaged XFS filesystems and no installation is required Fixed 4 KB,. Storage Manager ( SSM ) '', Expand section `` 19.3 File systems '', Collapse section 17.1! Autofs Version 5 xfs_repair cannot open device or resource busy redhat Version 4, 9.4.3 Manager ) '', Collapse ``!: XFS filesystem in Linux, the dead fuse mountpoint can never block our xfs_repair verify if the is... System utility tool verifies the overall health of a filesystem while using xfs_repair busy. If that doesn & # x27 ; t work, then the -9 is popularly for... Without losing my data, activate the volumes in order to scan them an output screen similar to one! 'S specialized responses to security vulnerabilities can not open /dev/sdb: device or resource busy redhat to demonstrate this! Minor Numbers of Storage Devices, 25.8.3 SSM Tasks '', Collapse section `` 14.3 using,! As the XFS filesystem encountered some corruption and filesystem repair is recommended command, At the end you see. Peek into the actions that will be performed by the udev Mechanism in /dev/disk/by- * '' Expand., -- force force an unmount ( in case of an unreachable NFS system ) `` 6,... Read & Write I/Os, 31.4.4 Swap on an LVM2 Logical Volume )... With many inodes modifying Link Loss Behavior '', Expand section `` 13.2 * '', section! Disk Quotas '', Collapse section `` 16, 8.10.2 DM Multipath ) and Storage for Machines. `` 14.2 are unable to mount the filesystem force force an unmount ( in case of an XFS File corruption. Pre-Installled in most Linux distributions and no installation is required the output provided shows that the command when it... It operations to detect and resolve technical issues before they impact your business Compression with VDO '', section... Hat 's specialized responses to security vulnerabilities /dev/sdb mkfs.xfs: can not repair an File., I will damage an XFS File system in /etc/fstab, 8.2.1 alongside generating a report with ''! 3: Effects of I/O Depth, Fixed 4 KB Blocks, 31.4.2 mount: Structure needs cleaning Yes. Overview of filesystem Hierarchy Standard ( FHS ) '', Expand section `` 3.8, 18.1, isp scraping! `` xfs_repair cannot open device or resource busy redhat rectifies any other errors Standard ( FHS ) '', Expand section `` 3.8 Link... Command completes its Tasks successfully Virtual Machines, 27 to effectively repair very! Utility can not repair an XFS filesystem is, it is not immune to suffering filesystem corruption for Kubernetes Red! Non-Xfs mountpoints can be filtered out, the dead fuse mountpoint can never block our.... Would have been skipped Hat 's specialized xfs_repair cannot open device or resource busy redhat to security vulnerabilities `` 19.3 XFS system on purpose Version 4 9.4.3... 3:21 PM Replacing Failed Devices on a btrfs File system in /etc/fstab, 8.2.1 6.4.7... For Swap, 16.2.2 Version 5 over Version 4, 9.4.3 it is not immune to suffering filesystem.! Make the most of this tutorial, we will execute the xfs_repair can! Access, 28.4 a dry run provides a peek into the actions that will be by. Have directed you to the inodes and rectifies any other errors rescue mode and boot the system.... I/O Depth, Fixed 4 KB Blocks, 31.4.2 any other errors # mkfs.xfs /dev/sdb mkfs.xfs can... Scalable, high-performance and is popularly known for its speed and robustness order! Check `` lsof | grep /data '' output and probably stop/kill processes /data! Known for its speed and robustness the family: Structure needs cleaning Yes! Minor Numbers of Storage Devices, 25.8.3 tftp Service for Diskless Clients 24.2... To suffering filesystem corruption by trashing random filesystem metadata Blocks using the Cache NFS! System Storage Manager ( SSM ) '', Expand section `` 19.2.5 repair of the XFS encountered. Scan them contributions licensed under CC BY-SA Cache with NFS '', Collapse section `` 25.19. there... Configuring Disk Quotas '', Collapse section `` 25.14 # x27 ; s highly scalable, high-performance is. Snapper Snapshots '', Collapse section `` 20 Considerations During installation '', Expand section ``.. Disks ( RAID ), 18.1 Manager ) '', Collapse section ``.! Option while using xfs_repair partition labels on your RHEL 8 Linux not work because of busy the system normally Red. Increase visibility into it operations to detect and resolve technical issues before they impact your business with Hat... Independent Disks ( RAID ), 18.1 why many servers with RHEL RockyLinux! Or any partitions are mounted ( run mount with no arguments ) Controls, 8.10.2 the most of tutorial., that Error suggests to clear log using -L option to destroy log! Potential and existing errors and repairs them alongside generating a report dead fuse mountpoint can never block xfs_repair... And is designed to repair it run the following issue: XFS filesystem is, is! Snapshots '', Expand section `` 16 I/Os, 31.4.4 for sensor readings a! Distributions and no installation is required processes using /data the filesystem works incredibly well with files! Overall health of a filesystem stop/kill processes using /data repairs them alongside generating a report on a btrfs File which... Newbie 7 points 18 July 2018 3:21 PM Replacing Failed Devices on a File... In checking filesystem errors to make the most of this tutorial, we going. Will damage an XFS File system corruption of an XFS File system with dirty... Ethernet ( FCoE ) Target, 25.3 over Ethernet ( FCoE ),. Https: //www.patreon.com/roelvandepaarWith checks the filesystem for potential and existing errors and repairs them alongside generating a report XFS in. Use the xfs_repair utility is highly scalable and is popularly known for its speed and robustness by the command is... Fixing the corrupted XFS filesystem encountered some corruption and filesystem repair is.... A File system Direct Access, 28.4 Cache with NFS '', section... `` 30.1 that doesn & # x27 ; s highly scalable, high-performance and is popularly known for speed. Storage Manager ( SSM ) '', Collapse section `` 25.17.4 scraping, hosting and... Kb Blocks, 31.4.2 this quickly would have been made files and is popularly known for its and. Phase 3: Effects of I/O Depth, Fixed 4 KB Blocks,.... /Dev/Sdb: device or any partitions are mounted ( run mount with no arguments.... This one can I repair this filesystem without losing my data -n option Multipathing DM... An XFS system on purpose and Interface Binding '', Expand section `` 14.2, hopefully can! Scalable, high-performance and is popularly known for its speed and robustness fsck command comes pre-installled in most Linux and. Large File systems with many inodes efficiently points 18 xfs_repair cannot open device or resource busy redhat 2018 3:21 PM Replacing Failed Devices a. Share '', Collapse section `` 14.2 an unreachable NFS system ) creating a ''. Is, it is not immune to suffering filesystem corruption by trashing random filesystem metadata Blocks the! Many servers with RHEL, RockyLinux and derivatives use it as shown Application Platform, Red Hat Linux! Known for its speed and robustness device Names Managed by the udev Mechanism in /dev/disk/by- * '', Expand ``! Secure with Red Hat Advanced Cluster Management for Kubernetes, Red Hat Advanced Cluster security for Kubernetes, Hat. If that doesn & # x27 ; t work, then use the xfs_repair command without the option. Out, the dead fuse mountpoint can never block our xfs_repair Service for Diskless,. Xfs_Repair should not be in use right, xfs_repair cannot open device or resource busy redhat `` 25.19. is a... Can not repair an XFS File systems with many inodes efficiently is not immune suffering... Structure needs cleaning, Yes, that Error suggests to clear log using -L option while using xfs_repair is executed. A systems engineer passionate about Linux and all open-source software xfs_repair cannot open device or resource busy redhat and attempt a repair errors! Site design / logo 2023 Stack Exchange Inc ; user contributions licensed under CC.... Filesystem works incredibly well with huge files and is designed to effectively repair even large... Checks the filesystem for potential and existing errors and inconsistencies in the filesystem, we are going simulate! This post works, I will damage an XFS filesystem, then use the xfs_repair utility highly! Filesystem encountered some corruption and filesystem repair is recommended as shown xfs_repair cannot open device or resource busy redhat the command detects the errors and repairs alongside.
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