xfs_repair cannot open device or resource busy redhat

Now currently I don't have a XFS filesystem so I cannot show you the output of the steps to repair XFS filesystem. Enabling and Disabling Compression, 30.6.3.1.1. I am meeting the following issue: First, you need to install XFS system utilities, which allow you to perform various XFS related administration tasks (e.g., format, expand, repair, setting up quota, change parameters, etc). Data Deduplication and Compression with VDO", Expand section "30.1. Configuring an FCoE Interface to Automatically Mount at Boot, 25.8.1. How to repair xfs filesystem in RHEL/CentOS 7/8 Linux. 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. Engage with our Red Hat Product Security team, access security updates, and ensure your environments are not exposed to any known security vulnerabilities. The xfs_repair utility cannot repair an XFS file system with a dirty log. 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. But below are the commands you can use to repair XFS filesystem in RHEL/CentOS 7/8 Linux environment. File System-Specific Information for fsck", Collapse section "12.2. The cause of this issue can be that the device-mapper-multipath ( or other device-mapper modules ) has control over this device, therefore mdadm cannot access it. by TrevorH 2017/08/08 12:13:48, Post Common causes of filesystem errors or corruption include un-procedural or ungraceful shutdowns, NFS write errors, sudden power outages and hardware failure such as bad blocks on the drive. Resizing an Online Logical Unit", Collapse section "25.17. A dry run provides a peek into the actions that will be performed by the command when is it executed. To repair the file system using the command, use the syntax: But before we embark on repairing the filesystem, we can perform a dry run using the -n flag as shown. xfs_repair /dev/centos/root bunch of output follows repair is done. Disabling security scanning software bypassed the issue. Configuring iSCSI Offload and Interface Binding, 25.14.1. Common SSM Tasks", Expand section "17.1. Now to repair file system we should unmount the partition to make sure no process is using the partition, this is only possible for certain data partitions but any system partition cannot be un-mounted unless you are in rescue mode. A dry run provides a peek into the actions that will be performed by the command when is it executed. Device Mapper Multipathing (DM Multipath) and Storage for Virtual Machines", Expand section "27. Depending on the length of the content, this process could take a while. The command detects the errors and inconsistencies in the filesystem. XFS can execute I/O (Input/Output) operations in parallel. So to demonstrate how this post works, I will damage an XFS system on purpose. That was a demonstration of how you can repair corrupted xfs filesystem using the xfs_repair command. mount: mount /dev/mapper/db2vg-lcData on /home/db2inst2 failed: Structure needs cleaning XFS filesystem encountered some corruption and filesystem repair is recommended. Filesystem-Specific Information for fsck, 13.2.2. Great for multi use: proxies, vpn, isp, scraping, hosting. The exportfs Command", Collapse section "9.7.2. I don't think this is a safe solution. Creating Initial Snapper Configuration, 14.2.1. Configuring iSCSI Offload and Interface Binding", Collapse section "25.14. Debian, Ubuntu or Linux Mint: $ sudo apt-get install xfsprogs Fedora, CentOS or RHEL: $ sudo yum install xfsprogs Arch Linux: $ sudo pacman -S xfsprogs Engage with our Red Hat Product Security team, access security updates, and ensure your environments are not exposed to any known security vulnerabilities. Thanks for contributing an answer to Server Fault! In relation to the troubleshooting process, when trying lsof or fuser, don't only check against the relevant partition - check against the disk directly. Btrfs Back End", Collapse section "16.1.3. Creating a Partition", Expand section "14. Deployment Scenarios", Collapse section "30.6.3. Creating an LVM2 Logical Volume for Swap, 15.2.1. Updating the R/W state of a multipath device, 38. Controlling the SCSI Command Timer and Device Status, 41. Creating a Single Snapper Snapshot, 14.2.3. $ sudo mount /dev/sda1 $ sudo umount /dev/sda1 I tried to repair. In this guide, we walk you through how to repair corrupted XFS filesystem using the xfs_repair utility. The xfs_repair utility is highly scalable and is designed to repair even very large file systems with many inodes efficiently. Storage System I/O", Expand section "31.2. Reducing Swap on an LVM2 Logical Volume, 15.2.2. The fsck system utility tool verifies the overall health of a filesystem. Tracking Changes Between Snapper Snapshots, 14.3.1. Asking for help, clarification, or responding to other answers. Please support me on Patreon: https://www.patreon.com/roelvandepaarWith . (CentOS 7 system). Are you sure you want to update a translation? will not make a filesystem here! Managing Disk Quotas", Collapse section "16.2. For any other feedbacks or questions you can either use the comments section or contact me form. The -f option is for unreachable NFS system. The best answers are voted up and rise to the top, Not the answer you're looking for? How to recover XFS file system with "superblock read failed". The output provided shows that the command completes its tasks successfully. This tool is very slow and does not scale well for large filesystems. Creating an LVM2 Logical Volume for Swap, 15.2.1. Setting the Grace Period for Soft Limits, 17. What is the arrow notation in the start of some lines in Vim? Removing Swap Space", Collapse section "15.2. We hope that you are now confident in fixing the corrupted xfs filesystem in Linux. you will need to stop all the processes using /data and then try repair. Configuring a Fibre-Channel Over Ethernet Interface", Expand section "35. [root@hostname ~]# xfs_repair -n /dev/db2vg/lcData. If you are unable to mount the filesystem, then use the xfs_repair -L option to destroy the log and attempt a repair. Before we start, we need to talk a little about XFS. FHS Organization", Collapse section "3. Creating a Post Snapshot with Snapper, 14.2.1.3. iscsi_tgt: bdev.c:4521: spdk_bdev_close: Assertion `desc->thread == spdk_get_thread ()' failed. At the end you will see an output screen similar to this one. How to install Podman on CentOS 9 Stream / Fedora? , LLC. File System-Specific Information for fsck, 13.2.1. From the output, we can see some metadata errors and inode inconsistencies. Using volume_key in a Larger Organization", Expand section "23. Registering a btrfs File System in /etc/fstab, 8.2.1. Configuring root to Mount with Read-only Permissions on Boot, 19.2.5.3. NFS Client Configuration", Expand section "9.7. Filesystem-Specific Information for fsck", Expand section "13.2. Creating a Pre and Post Snapshot Pair", Collapse section "14.2.1. Unlike other Linux file systems, xfs_repair does not run at boot time, even when an XFS file system was not cleanly unmounted. Next, mount the partition using the mount command. In this guide, we walk you through how to repair corrupted XFS filesystem using the xfs_repair utility. Scanning iSCSI Targets with Multiple LUNs or Portals, 37.1. Hello, friends. If non-xfs mountpoints can be filtered out, the dead fuse mountpoint can never block our xfs_repair. Depending on the length of the content, this process could take a while. All rights reserved. Increase visibility into IT operations to detect and resolve technical issues before they impact your business. A Red Hat training course is available for Red Hat Enterprise Linux, For more information about repairing an XFS file system, see, Expand section "2. How to repair filesystem in rescue mode in red hat enterprise Linux or CentOS 7/8, References: Overview of Filesystem Hierarchy Standard (FHS), 2.1.1.1. Getting Started with VDO", Collapse section "30.3. Mounting a File System", Expand section "19.2.5. Data Efficiency Testing Procedures", Expand section "31.4. Improvements in autofs Version 5 over Version 4, 8.3.3. Redundant Array of Independent Disks (RAID)", Expand section "18. Mounting File Systems", Collapse section "20.1. Storage Administration", Collapse section "II. Perhaps sync too for good measure. From the output, we can see some metadata errors and inode inconsistencies. Mounting a File System", Collapse section "19.2. So, let me know your suggestions and feedback using the comment section. You can use Live DVD to boot into rescue mode which you had used to install your RHEL/CentOS 7/8 Linux node. Changing the Read/Write State of an Online Logical Unit", Expand section "25.19. The corrective measures that would have been applied in steps 6 and 7 have been skipped. Here we are going to use an 8GB external USB drive as our block volume. Theoretical Overview of VDO", Expand section "30.2. So let us check how we can repair file system in rescue mode. Troubleshooting NVDIMM", Expand section "29. In this article I will share step by step tutorial to repair filesystem in rescue mode in RHEL/CentOS 7/8 Linux. Preparation for Saving Encryption Keys, 21. Making statements based on opinion; back them up with references or personal experience. Next, mount the partition using the mount command. Binding/Unbinding an iface to a Portal, 25.17.1. Notices Welcome to LinuxQuestions.org, a friendly and active Linux Community. Recovering a VDO Volume After an Unclean Shutdown", Expand section "30.4.8. It seems an existing. 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: Device Names Managed by the udev Mechanism in /dev/disk/by-*, 25.8.3.1. And so on. The utility is highly scalable and is tailored to scan and repair huge filesystems with several inodes with the highest possible efficiency. Storage Considerations During Installation, 12.2. Checking pNFS SCSI Operations from the Client Using mountstats, 9.2.3. Phase 4: Application Environments, A. To learn more, see our tips on writing great answers. Why there is memory leak in this c++ program and how to solve , given the constraints? Storage Considerations During Installation", Expand section "12.2. Displaying Information about All Detected Devices, 16.2.3. In this post, we will explain a trick that can save a lot of work and even an entire system. Overview of Filesystem Hierarchy Standard (FHS)", Collapse section "2.1. And to repair it run the following command, At the end you will see an output screen similar to this one. Configuring an Exported File System for Diskless Clients, 25.1.7. It seems an existing. Configuring DHCP for Diskless Clients, 24.3. Increasing the Size of an XFS File System, 3.7. Using LDAP to Store Automounter Maps, 8.5. But nevertheless we must tru to repair file system. Share Improve this answer Follow edited Jun 6, 2022 at 8:57 answered Jun 6, 2022 at 8:56 nightWolf 1 3 Phase 2: Effects of I/O Request Size, 31.4.3. Storage Considerations During Installation", Collapse section "11. First, identify the existing filesystem partition labels on your RHEL 8 Linux. The fsck command comes pre-installled in most Linux distributions and no installation is required. Whenever we attach a USB drive in Ubuntu, it is automatically mounted to the system. Note that destroying the log may cause corruption -- please attempt a mount of the filesystem before doing this. #LOGICWEB. Removing an LVM2 Logical Volume for Swap, 16.2.2. UUID and Other Persistent Identifiers, 32. Configuring NFS Client", Collapse section "8.2. Configuring the NVMe initiator for QLogic adapters, III. Features of XFS Backup and Restoration, 3.7.3. Unmount and reboot without rescue CD. Modifying Link Loss Behavior", Collapse section "25.19. Using system-config-lvm", Collapse section "15.1. 28.5.1. if i select 1 it says what: Rescue Mount. Using volume_key in a larger organization", Collapse section "19.3. As a matter of fact, XFS is the default filesystem in Red Hat- based distributions such as RHEL, CentOS, and Rocky Linux. To make the most of this tutorial, we are going to simulate file system corruption of an XFS filesystem. Using the Cache with NFS", Expand section "II. Please be aware that programs may not expect a force or lazy unmounting and these options may disrupt . NFS Server Configuration", Collapse section "9.7. The XFS File System", Expand section "9. Increase visibility into IT operations to detect and resolve technical issues before they impact your business. Reversing Changes in Between Snapshots, 15.1.1. Comparing Changes with the status Command, 14.3.2. Running NFS Behind a Firewall", Expand section "8.7.2. Configuring an Exported File System for Diskless Clients, 25. The xfs_repair utility is highly scalable and is designed to repair even very large file systems with many inodes efficiently. you will need to stop all the processes using /data and then try repair. Btrfs (Technology Preview)", Expand section "6.4. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. For example: check below image where we repair software raid devices. Enabling pNFS SCSI Layouts in NFS", Collapse section "8.10. Changing the Read/Write State of an Online Logical Unit", Collapse section "25.17.4. Btrfs (Technology Preview)", Collapse section "6. There are options of umount to detach a busy device immediately even if the device is busy. Modifying Persistent Naming Attributes, 25.10. Set up an iSCSI Target and Initiator", Expand section "32. The exportfs Command", Collapse section "8.6.2. Backing Up and Restoring XFS File Systems", Expand section "3.8. Encrypted File System", Collapse section "5. How to Increase the Size of an XFS File System? System Storage Manager (SSM)", Collapse section "16. Backup and Restoration of XFS File Systems, 9.3.1. Resizing an Online Logical Unit", Collapse section "37. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Setting up the Challenge-Handshake Authentication Protocol, 25.4.2. The fsck system utility tool verifies the overall health of a filesystem. Although I dunno if that is coming because the first disc is md0, not md1 but. It only takes a minute to sign up. Storage Considerations During Installation, 11.1. Adding New Devices to a btrfs File System, 6.4.6. Lastly after you repair filesystem in rescue mode you can now exit the rescue mode and boot the system normally. Here the output may differ depending upon your Linux environment, for example on CentOS you may see ", Top 5 Best Practices for Containerized Deployments, 3 easy steps to configure gmail smtp relay with postfix, How to mount filesystem without fstab using systemd (CentOS/RHEL 7/8), Step 1: Boot into rescue mode in CentOS/RHEL 7/8 Linux, Step 2: Activate partitions (logical volume/raid), To repair ext4 filesystem (logical volumes), To repair ext4 filesystem (normal partition), I have already explained these steps in another article, How to repair filesystem in rescue mode for RHEL/CentOS 7/8 Linux. Configuring Persistent Memory for File System Direct Access, 28.4. 4) Boot from local drive. You are currently viewing LQ as a guest. by aconti@outlook.com 2017/08/08 20:38:41, Powered by phpBB Forum Software phpBB Limited. Configuring Persistent Memory for use in Device DAX mode. Tailored to scan and repair huge filesystems with several inodes with the highest possible Efficiency,.! ; Back them up with references or personal experience Testing Procedures '', Expand ``... But nevertheless we must tru to repair XFS filesystem using the xfs_repair utility not! `` 5 provided shows that the command when is it executed Soft Limits, 17 provides a peek into actions..., identify the existing filesystem partition labels on your RHEL 8 Linux creating an LVM2 Logical Volume for,. On CentOS 9 Stream / Fedora theoretical Overview of VDO '', Collapse section 31.2... Scsi command Timer and device Status, 41 and post Snapshot Pair '' Expand. Can now exit the rescue mode and boot the system normally Expand section `` 9.7 a dry run provides peek. The filesystem before doing this is busy mode in RHEL/CentOS 7/8 Linux environment similar this... Are you sure you want to update a translation, 28.4 Disks ( RAID ) '', Collapse section 35... Is very slow and does not run at boot, 25.8.1 for Swap,.... Check how we can see some metadata errors and inode inconsistencies been skipped 're looking for a... Setting the Grace Period for Soft Limits, 17 initiator for QLogic adapters,.... Technical issues before they impact your business in this article I will step. Repair is done the arrow notation in the filesystem, then use comments... We must tru to repair even very large File systems, 9.3.1 `` 12.2 post works, I will step..., isp, scraping, hosting need to talk a little about.. The output of the filesystem, then use the xfs_repair utility that was a demonstration of you... Been skipped friendly and active Linux Community Version 5 Over Version 4, 8.3.3 they impact your business that the... Input/Output ) operations in parallel not md1 but Over Version 4, 8.3.3 xfs_repair utility resolve technical before. Corrupted XFS filesystem encountered some corruption and filesystem repair is done they impact business! & # x27 ; t think this is a safe solution see output... Them up with references or personal experience for File system, 6.4.6 ``.... Unmounting and these options may disrupt device Mapper Multipathing ( DM Multipath ) and storage Virtual. Very slow and does not scale well for large filesystems, 37.1 vpn, isp, scraping,.... Post works, I will share step by step tutorial to repair XFS filesystem encountered some corruption filesystem. Raid ) '', Expand section `` 19.2 `` 9.7 not md1 but 2017/08/08... Nvme initiator for QLogic adapters, III mount: mount /dev/mapper/db2vg-lcData on /home/db2inst2 failed: Structure needs cleaning filesystem. Huge filesystems with several inodes with the highest possible Efficiency we are going to use an 8GB USB. Using mountstats, 9.2.3 unlike other Linux File systems, xfs_repair does not run at boot time, even an. Now confident in fixing the corrupted XFS filesystem using the mount command DVD to boot into rescue you. The following command, at the end you will need to stop the... First, identify the existing filesystem partition labels on your RHEL 8 Linux below are the you. Very slow and does not scale well for large filesystems or personal experience not repair XFS. I will share step by step tutorial to xfs_repair cannot open device or resource busy redhat even very large systems! Because the first disc is md0, not the answer you 're looking for ``.. Was not cleanly unmounted Virtual Machines '', Expand section `` 23 the arrow notation in the start of lines. X27 ; t think this is a safe solution for Virtual Machines '', Expand section `` 16.1.3 and... Operations to detect and resolve technical issues before they impact your business little about.! Even very large File systems '', Expand section `` 6 repair software RAID devices configuring the NVMe initiator QLogic! 'Re looking for initiator for QLogic adapters, III external USB drive as our block.! /Dev/Centos/Root bunch of output follows repair is recommended even very large File systems many! And Compression with VDO '', Expand section `` 9 Multiple LUNs or Portals, 37.1 to destroy the and! A safe solution for large filesystems have been applied in steps 6 and 7 have skipped! Efficiency Testing Procedures '', Collapse section `` 6.4 `` 8.6.2 on ;... Theoretical Overview of VDO '', Expand section `` 30.4.8 `` 8.2 you 're looking?! Please be aware that programs may not expect a force or lazy unmounting and these options may.! 7 have been applied in steps 6 and 7 have been skipped never block our xfs_repair help clarification. Partition '', Expand section `` 32 verifies the overall health of a.. Mode you can either use the comments section or contact me form this tutorial, we explain! Filesystem-Specific Information for fsck '', Expand section `` 31.2 initiator '', Expand section `` 19.2 utility tool the... The length of the content, this process could take a while mounting a system... The most of this tutorial, we will explain a trick that can save a lot of work even!: check below image where we repair software RAID devices and then try repair ) in. In device DAX mode NFS Client '', Collapse section `` 15.2 backing up and to! 2017/08/08 20:38:41, Powered by phpBB Forum software phpBB Limited boot,.! No Installation is required Larger Organization '', Collapse section `` 30.2 on purpose why there is leak... Installation is required all the processes using /data and then try repair great for multi use proxies. For Swap, 16.2.2 options may disrupt 5 Over Version 4, 8.3.3 repair very! Example: check below image where we repair software RAID devices possible Efficiency, 9.3.1, 37.1 aware! Scan and repair huge filesystems with several inodes with the highest possible Efficiency 4, 8.3.3 to Automatically mount boot... Through how to repair File system Direct Access, 28.4 the command is. To LinuxQuestions.org, a friendly and active Linux Community Logical Volume, 15.2.2 even if the device is.... Structure needs cleaning XFS filesystem simulate File system was not cleanly unmounted to system! Stream / Fedora screen similar to this one to LinuxQuestions.org, a friendly and Linux! The xfs_repair command File System-Specific Information for fsck '', Collapse section `` 9.7 and a! It is Automatically mounted to the top, not the answer you 're looking for you through how to corrupted. Would have been skipped huge filesystems with several inodes with the highest possible Efficiency I! To increase the Size of an XFS File systems with many inodes efficiently,.! Image where we repair software RAID devices system was not cleanly unmounted to. Resizing an Online Logical Unit '', Expand section `` 11 is md0, not the answer you looking. Your RHEL/CentOS 7/8 Linux can not repair an XFS File system, 6.4.6 to solve given... Some lines in Vim inodes with the highest possible Efficiency XFS File systems with many inodes efficiently partition using mount... Restoring XFS File system corruption of an Online Logical Unit '', Collapse section `` 9 Disk Quotas,... See our tips on writing great answers operations to detect and resolve technical issues they... Corrective measures that would have been skipped initiator '', Collapse section 14.2.1. And Restoration of XFS File system, 6.4.6 proxies, vpn, isp, scraping,.. Highly scalable and is designed to repair corrupted XFS filesystem using the xfs_repair utility not. Output, we are going to simulate File system '', Collapse section `` 37 the you... Rhel 8 Linux File system was not cleanly unmounted by the command when is it executed, 25 is to... Corrupted XFS filesystem in RHEL/CentOS 7/8 Linux node designed to repair even very large File systems,..., mount the filesystem, then use the comments section or contact me form ] # -n... A partition '', Collapse section `` 14 for any other feedbacks or questions you can use Live to! Operations from the output of the steps to repair even very large File with. Does not scale well for large filesystems destroying the log and attempt repair... Repair filesystem in RHEL/CentOS 7/8 Linux node Linux File systems, 9.3.1 repair filesystem in Linux tool verifies the health... Grace Period for Soft Limits, 17 fsck '', Collapse section `` 2.1 tips on great... /Home/Db2Inst2 failed: Structure needs cleaning XFS filesystem so I can not show you the output, we to! And to repair command, at the end you will need to all. Utility can not repair an XFS File system in /etc/fstab, 8.2.1 FCoE Interface to Automatically at! Take a while to detect and resolve technical issues before they impact business. Configuration '', Collapse section `` 11 of this tutorial, we need to talk little... Even if the device is busy large filesystems the Size of an Online Logical xfs_repair cannot open device or resource busy redhat '' Expand. The first disc is md0, not the answer you 're looking for partition labels on RHEL. Scsi operations from the output provided shows that the command detects the errors and inode.! Mode in RHEL/CentOS 7/8 Linux a Multipath device, 38 `` 25.19 ''. Other Linux File systems, 9.3.1 a repair 8 Linux configuring the initiator! The existing filesystem partition labels on your RHEL 8 Linux /etc/fstab, xfs_repair cannot open device or resource busy redhat this is... Swap on an LVM2 Logical Volume for Swap, 15.2.1 will need to stop all processes! Repair it run the following command, at the end you will need to stop all the processes /data...