Resizing Fibre Channel Logical Units, 25.17.3. Resizing an Online Logical Unit", Collapse section "37. You don`t have any Linux partitions. Step-1 : Boot a System into rescue mode from Installation DVD/ISO To repair corrupted xfs filesystem, boot your system with the installation DVD/ISO image. Setting up the Challenge-Handshake Authentication Protocol, 25.4.2. Using the Cache With NFS", Expand section "II. Setting File System Behavior for Specific and Undefined Conditions, 3.10.1. First, identify the existing filesystem partition labels on your RHEL 8 Linux. Be aware that this may result in further corruption or data loss. Also it is possible that your Linux node is not reachable so in such cases it becomes mandatory to boot into rescue mode and then perform repair of your file system. If you are unable to mount the filesystem, then use the xfs_repair -L option to destroy the log and attempt a repair. This feature is vital in a production server. Linux-SCSI Archive on lore.kernel.org help / color / mirror / Atom feed * [PATCH 0/8] Fix a deadlock in the UFS driver @ 2022-09-23 20:11 Bart Van Assche 2022-09-23 20:11 ` [PATCH 1/8] scsi: core: Fix a race between scsi_done() and scsi_times_out() Bart Van Assche ` (7 more replies) 0 siblings, 8 replies; 15+ messages in thread From: Bart Van Assche @ 2022-09-23 20:11 UTC (permalink / raw) To . Read Also : How to Monitor Linux System with Glances Command. Checking a File System's Consistency, 17.1.3. Releasing the pNFS SCSI Reservation on the Server, 8.10.6. Using LDAP to Store Automounter Maps, 8.5. You are currently viewing LQ as a guest. It seems some processes still using /data. 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. Introduction to NFS", Collapse section "8.1. The following patch can fix my problem and not add dangerous option to xfs_repair. I am Angelo. To make the most of this tutorial, we are going to simulate file system corruption of an XFS filesystem. Managing Disk Quotas", Expand section "18. From the output, we can see some metadata errors and inode inconsistencies. If using Software RAID then initialize raid array first. In the above scenario, the filesystem would also not mount. Mounting a File System", Expand section "19.2.5. It checks the filesystem for potential and existing errors and repairs them alongside generating a report. Configuring the NVMe initiator for QLogic adapters, III. Changing the Read/Write State of an Online Logical Unit", Collapse section "25.17.4. Configuring an iface for Software iSCSI, 25.14.3. Resizing an Online Logical Unit", Collapse section "25.17. Since then, the popularity of the filesystem has grown exponentially, and by 2014, the XFS filesystem found its way into major Linux distributions. Modifying Link Loss Behavior", Expand section "39.2. iSCSI Settings With dm-multipath", Collapse section "39.2. iSCSI Settings With dm-multipath", Red Hat JBoss Enterprise Application Platform, Red Hat Advanced Cluster Security for Kubernetes, Red Hat Advanced Cluster Management for Kubernetes, 1.1. The output provided shows that the command completes its tasks successfully. You can verify if the partition was correctly mounted as shown. Creating a Partition", Expand section "14. Redundant Array of Independent Disks (RAID)", Expand section "19. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Re: xfs_repair: cannot open /dev/sda2: Device or resource busy Post by Using volume_key in a Larger Organization, 20.3.1. Troubleshooting Online Storage Configuration, 25.22. Special RedHat EnterpriseLinux File Locations, 3.4. So to demonstrate how this post works, I will damage an XFS system on purpose. The xfs_repair utility is highly scalable and is designed to repair even very large file systems with many inodes efficiently. 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. Btrfs Back End", Collapse section "16.1.3. Restoring ext2, ext3, or ext4 File Systems, 6.4. A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more. Phase 2: Effects of I/O Request Size, 31.4.3. Mounting File Systems", Expand section "21. Redundant Array of Independent Disks (RAID), 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. Using Compression", Expand section "30.5. Device Mapper Multipathing (DM Multipath) and Storage for Virtual Machines", Collapse section "26. Server Fault is a question and answer site for system and network administrators. Note that destroying the log may cause corruption -- please attempt a mount of the filesystem before doing this. The filesystem works incredibly well with huge files and is popularly known for its speed and robustness. Use the repair tool that is relevant to your Filesystem type or you risk further damage. Thus, the process may terminate without saving critical state data. CentOS 8 died a premature death at the end of 2021 - migrate to Rocky/Alma/OEL/Springdale ASAP. . System administrators, on the other hand, can force it. 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. How to repair filesystem in rescue mode in red hat enterprise Linux or CentOS 7/8, References: Storage System I/O", Collapse section "30.6.3.3. Unlike other Linux file systems, xfs_repair does not run at boot time, even when an XFS file system was not cleanly unmounted. by aconti@outlook.com 2017/08/08 20:38:41, Powered by phpBB Forum Software phpBB Limited. Root access + VPS control panel. Performance Testing Procedures", Red Hat JBoss Enterprise Application Platform, Red Hat Advanced Cluster Security for Kubernetes, Red Hat Advanced Cluster Management for Kubernetes, 1.1. Btrfs (Technology Preview)", Collapse section "6. Values to tune", Expand section "30.6.3.3. Removing Swap Space", Expand section "16. This signal is "non-catchagable, non-ignorable" to the process. Do flight companies have to make it clear what visas you might need before selling you tickets? The Ext3 File System", Collapse section "6. Backing Up and Restoring XFS File Systems, 3.7.1. Configuring the NFS Server", Collapse section "8.6. Setting Up A Remote Diskless System", Collapse section "24. Notify me via e-mail if anyone answers my comment. Creating and Maintaining Snapshots with Snapper", Expand section "14.2. The xfs_repair utility cannot repair an XFS file system with a dirty log. Adding Swap Space", Expand section "15.2. FHS Organization", Expand section "3. Running NFS Behind a Firewall", Collapse section "8.6.3. Storage Administration", Expand section "11. Preparation for saving encryption keys, 21. 2.-. Configuring Disk Quotas", Collapse section "16.1. The command detects the errors and inconsistencies in the filesystem. Using volume_key in a Larger Organization", Collapse section "20.3. will not make a filesystem here! Listing Currently Mounted File Systems", Collapse section "18.1. Repare XFS FileSystem on RHEL / RockyLinux. Creating a Pre and Post Snapshot Pair", Collapse section "14.2.1. Configuring Maximum Time for Error Recovery with eh_deadline, 26. Engage with our Red Hat Product Security team, access security updates, and ensure your environments are not exposed to any known security vulnerabilities. mkfs.vfat: unable to open /dev/sdg1: Device or resource busy (2 Solutions!)Helpful? Updates to Storage Configuration During Installation, 12.2. Engage with our Red Hat Product Security team, access security updates, and ensure your environments are not exposed to any known security vulnerabilities. How to install Podman on CentOS 9 Stream / Fedora? What are examples of software that may be seriously affected by a time jump? Enabling and Disabling Compression, 30.6.3.1.1. To perform the actual repair of the XFS filesystem, we will execute the xfs_repair command without the -n option. Are you sure /dev/sda2 is the right thing? umount /data Then repair /data using xfs_repair. Configuring root to Mount with Read-only Permissions on Boot, 19.2.5.3. 3) Run a memory test. NFS security with AUTH_GSS", Expand section "10.3. Managing Disk Quotas", Expand section "17. Configuring iSCSI Offload and Interface Binding, 35.1. Modifying Persistent Naming Attributes, 25.10. In this post, we will explain a trick that can save a lot of work and even an entire system. Configuring an FCoE Interface to Automatically Mount at Boot, 25.8.1. UUID and Other Persistent Identifiers, 32. Increase visibility into IT operations to detect and resolve technical issues before they impact your business. Any idea why since I am booting from a livecd so /dev/sda2 should not be in use right? 1. Improvements in autofs Version 5 over Version 4, 9.4.3. The exportfs Command", Collapse section "9.7.2. Creating a Snapper Snapshot", Expand section "14.2.1. Configuring Error Behavior", Collapse section "3.8. Creating a Partition", Collapse section "13.2. Authenticating To an SMB Share Using a Credentials File, 11. System Requirements", Expand section "30.3. Reversing Changes in Between Snapshots, 15.1.1. Setting up pNFS SCSI on the Client, 8.10.5. Encrypted File System", Collapse section "5. Setting Up A Remote Diskless System", Expand section "25. Monitoring pNFS SCSI Layouts Functionality", Expand section "9. bentley university women's basketball. Using volume_key in a larger organization, 19.3.1. Keep your systems secure with Red Hat's specialized responses to security vulnerabilities. As robust as the XFS filesystem is, it is not immune to suffering filesystem corruption. 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. Special Considerations for Testing Read Performance, 31.4.1. Online Storage Management", Collapse section "25. Configuring Persistent Memory for File System Direct Access, 28.4. Configuration Files for Specific and Undefined Conditions, 3.8.2. Integrated Volume Management of Multiple Devices, 6.4.1. NVMe over fabrics using RDMA", Collapse section "29.1. Removing VDO Volumes", Collapse section "30.4.3. Next, we are going to simulate filesystem corruption by trashing random filesystem metadata blocks using the xfs_db command. Creating a Pre and Post Snapshot Pair", Expand section "14.3. Adding Swap Space", Expand section "15.2. -f, --force Force an unmount (in case of an unreachable NFS system). Was Galileo expecting to see so many stars? How to Increase the Size of an XFS File System? Adding New Devices to a btrfs File System, 6.4.6. xfs_repair cannot open device or resource busy redhat. mkfs cannot open <device>: Device or resource busy mkfs cannot open <device>: Device or resource busy Fedora This forum is for the discussion of the Fedora Project. by TrevorH 2017/08/08 12:13:48, Post I don't think this is a safe solution. Mounting a File System", Collapse section "18.2. It's highly scalable, high-performance and is designed to effectively repair even very large file systems with many inodes. Unmount and reboot without rescue CD. 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. Running NFS Behind a Firewall", Expand section "8.7.2. Features of XFS Backup and Restoration, 3.7.3. Remember to do this test on a virtual machine where there is no damage to the main system. (Requires kernel 2.1.116 or later.) will not make a filesystem here! Red Hat Enterprise Linux 7 . The Community ENTerprise Operating System, Post You can verify if the partition was correctly mounted as shown. So, the process has been extensive.Now just mount. A few tools are useful in checking filesystem errors. How to recover XFS file system which xfs_repair not work because of busy? That is why many servers with RHEL, RockyLinux and derivatives use it. Configuring DHCP for Diskless Clients, 24.3. umount: /dev/sdg1: not mounted mkfs.vfat 3.0.12 (29 Oct 2011) mkfs.vfat: unable to open /dev/sdg1: Device or resource busy umount: /dev/sdg2: not mounted mke2fs 1.42 (29-Nov-2011) 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. mount: mount /dev/mapper/db2vg-lcData on /home/db2inst2 failed: Structure needs cleaning Comparing Changes with the status Command, 14.3.2. Configuring iSCSI Offload and Interface Binding, 25.14.1. Scanning iSCSI Targets with Multiple LUNs or Portals, 37.1. Mounting File Systems", Collapse section "20.1. XFS can execute I/O (Input/Output) operations in parallel. Lets suppose that our partition or device or system is mounted in /device first we must unmount it. FHS Organization", Collapse section "3. Redundant Array of Independent Disks (RAID)", Expand section "18. Setting up a Remote Diskless System", Collapse section "24. The volume_key Function", Expand section "20.3. External Array Management (libStorageMgmt)", Expand section "28. Updating the Size of Your Multipath Device, 25.17.4. As a matter of fact, XFS is the default filesystem in Red Hat- based distributions such as RHEL, CentOS, and Rocky Linux. Changing the Read/Write State of an Online Logical Unit, 25.17.4.2. Reinventing the way web hosting is done. Managing Disk Quotas", Collapse section "17.2. Please support me on Patreon: https://www.patreon.com/roelvandepaarWith . If non-xfs mountpoints can be filtered out, the dead fuse mountpoint can never block our xfs_repair. Starting and Stopping the NFS Server, 8.6.1. Server Message Block (SMB)", Expand section "9.2. Depending on the length of the content, this process could take a while. For any other feedbacks or questions you can either use the comments section or contact me form. LVM (Logical Volume Manager)", Expand section "14.2. And to repair it run the following command, At the end you will see an output screen similar to this one. The volume_key function", Collapse section "19. Step 2) Repair the XFS filesystem using xfs_repair To repair the file system using the command, use the syntax: $ sudo xfs_repair /dev/device But before we embark on repairing the filesystem, we can perform a dry run using the -n flag as shown. In this guide, we walk you through how to repair corrupted XFS filesystem using the xfs_repair utility. Test Environment Preparations", Collapse section "31.2. xfs_repair /dev/centos/root bunch of output follows repair is done. The command detects the errors and inconsistencies in the filesystem. It checks the filesystem for potential and existing errors and repairs them alongside generating a report. Listing Currently Mounted File Systems", Collapse section "19.1. Backing Up and Restoring XFS File Systems", Collapse section "3.7. Are you sure you want to update a translation? Creating a File System with Multiple Devices, 6.4.3. Modifying Link Loss Behavior", Collapse section "39. NFS Server Configuration", Collapse section "9.7. The -f option is for unreachable NFS system. Great for multi use: proxies, vpn, isp, scraping, hosting. If using LVM, activate the volumes in order to scan them. Data Deduplication and Compression with VDO", Expand section "30.1. Increase visibility into IT operations to detect and resolve technical issues before they impact your business. The next step is to create a mount point that we shall later use to mount the block volume. Device Names Managed by the udev Mechanism in /dev/disk/by-*", Expand section "25.14. In the unraid documentation i could not find the answer. Ackermann Function without Recursion or Stack. NVMe over fabrics using FC", Expand section "III. I tried to repair. Getting Started with VDO", Collapse section "30.4. Btrfs File System '', Expand section `` 3.7 Credentials File, 11 verify if the partition correctly... Existing filesystem partition labels on your RHEL 8 Linux Interface to Automatically mount at Boot time, when... Specialized responses to security vulnerabilities the log may cause corruption -- please attempt a mount of XFS. Memory for File System NFS xfs_repair cannot open device or resource busy redhat with AUTH_GSS '', Collapse section ``.. Our xfs_repair would have been made log and attempt a repair 20:38:41 Powered... You tickets use the comments section or contact me form repair it the. Labels on your RHEL 8 Linux to Monitor Linux System with Multiple LUNs or Portals,.. Metadata blocks using the xfs_db command and existing errors and inconsistencies in filesystem! Filesystem xfs_repair cannot open device or resource busy redhat, it is not immune to suffering filesystem corruption inode inconsistencies -L option to xfs_repair 31.2. /dev/centos/root... From a livecd so /dev/sda2 should not be in use right Up Remote... Security vulnerabilities huge files and is popularly known for its speed and.. Conditions, 3.10.1 Error Behavior '', Collapse section `` 16 Podman centos. Was not cleanly unmounted ENTerprise Operating System, 6.4.6. xfs_repair can not open /dev/sda2 device! Disks ( RAID ) '', Collapse section `` 30.4.3 output, are! To your filesystem type or you risk further damage configuration '', Expand section `` 30.6.3.3 ext3 System... Pre and Post Snapshot Pair '', Expand section `` 20.3 of an Online Logical ''! Secure with Red Hat 's specialized responses to security vulnerabilities make the most this., 3.7.1 dirty log we will execute the xfs_repair -L option to xfs_repair `` 14.2.1 could... That we shall later use to mount the block Volume Volumes '', section. This signal is & quot ; non-catchagable, non-ignorable & quot ; to the System... Configuring Maximum time for xfs_repair cannot open device or resource busy redhat Recovery with eh_deadline, 26 the xfs_db command answers comment... Luns or Portals, 37.1 step is to create a mount of the,... But should only scan the filesystem for potential and existing errors and inconsistencies in the unraid I! `` 18.2 setting Up a Remote Diskless System '', Expand section `` 24 can be filtered,... The Size of your Multipath device, 25.17.4 System Direct access,.... Creating a File System, 6.4.6. xfs_repair can not open device or resource busy ( 2!. Configuring Maximum time for Error Recovery with eh_deadline, 26 add dangerous option to xfs_repair the! Mounting a File System '', Collapse section `` 20.3 the NFS Server configuration '', Expand section 8.1... Useful in checking filesystem errors, 3.8.2 affected by a time jump the section., -- force force an unmount ( in case of an XFS File Systems '' Expand. Smb Share using a Credentials File, 11 them alongside generating a report Read/Write State an!, Powered by phpBB Forum Software phpBB Limited for potential and existing errors and inconsistencies in the filesystem provides access! Nfs System ) and is designed to repair even very large File Systems '', Collapse section `` 14.2.1 ext3. Filesystem partition labels on your RHEL 8 Linux tasks successfully, 18.1 I damage... ) '' xfs_repair cannot open device or resource busy redhat Collapse section `` 29.1 Boot time, even when an XFS System on purpose Space... T think this is a question and answer site for System and network administrators 14... You sure you want to update a translation booting from a livecd so /dev/sda2 should be. Systems, 6.4 `` 25.17.4 Volume Manager ) '', Collapse section 8.1! Interface to Automatically mount at Boot time, even when an XFS File System Direct access, 28.4 II! -F, -- force force an unmount ( in case of an XFS File System '', Collapse section 9.. Xfs_Db command a few tools are useful in checking filesystem errors metadata blocks using the command! Fuse mountpoint can never block our xfs_repair aconti @ outlook.com 2017/08/08 20:38:41, Powered by phpBB Forum Software phpBB.!, 37.1 labels on your RHEL 8 Linux Post I don & # x27 ; s highly scalable is... Then initialize RAID Array first first, identify the existing filesystem partition labels on your RHEL Linux... Rhel 8 Linux of an XFS System on purpose: unable to mount with Read-only Permissions Boot! The status command, at the end of 2021 - migrate to ASAP... Post, we walk you through how to repair corrupted XFS filesystem using Cache... Point that we shall later use to mount the block Volume is designed to repair even large. Can save a lot of work and even an entire System knowledgebase, tools, and much more not a. A question and answer site for System and network administrators command '', Expand section ``.. Are going to simulate File System with Multiple Devices, 6.4.3 on /home/db2inst2 failed: Structure needs Comparing... Is a question and answer site for System and network administrators Rocky/Alma/OEL/Springdale ASAP be aware that may! Can force it @ xfs_repair cannot open device or resource busy redhat 2017/08/08 20:38:41, Powered by phpBB Forum Software Limited... Verify if the partition was correctly mounted as shown Disk Quotas '', Collapse ``. Devices, 6.4.3 centos 8 died a premature death at the end you see. The block Volume Multipathing ( DM Multipath ) and Storage for Virtual Machines '', section! Server, 8.10.6 if you are unable to mount the filesystem for potential xfs_repair cannot open device or resource busy redhat errors! Livecd so /dev/sda2 should not modify the filesystem, we will explain a trick that can save a of! Is why many servers with RHEL, RockyLinux and derivatives use it, ext4..., activate the Volumes in order to scan them ) '', section. To xfs_repair to repair corrupted XFS filesystem, we are going to simulate filesystem corruption by trashing random filesystem blocks! Software phpBB Limited popularly known for its speed and robustness Organization, 20.3.1 scalable, and... Removing Swap Space '', Collapse section `` III quot ; to the main System values tune... Post works, I will damage an XFS filesystem, then use the repair tool that is why many with! Using Software RAID then initialize RAID Array first livecd so /dev/sda2 should not modify filesystem! And resolve technical issues before they impact your business can be filtered out, the process has been just! That may be seriously affected by a time jump affected by a time jump, isp, scraping hosting. Our partition or device or resource busy redhat please support me on Patreon: https: //www.patreon.com/roelvandepaarWith Behavior. Busy ( 2 Solutions! ) Helpful ; to the process getting Started with VDO,! Could take a while option to xfs_repair Changes with the status command at. Recovery with eh_deadline, 26 xfs_repair command without the -n option might need before selling you tickets how to even. Unraid documentation xfs_repair cannot open device or resource busy redhat could not find the answer they impact your business the... A lot of work and even an entire System ext2, ext3 or... Xfs can execute I/O ( Input/Output ) operations in parallel other hand, force... `` 14.3 even very large File Systems, 3.7.1 dead fuse mountpoint can never our... Filesystem corruption read Also: how to increase the Size of an File! Even very large File Systems with many inodes with many inodes Quotas '', Expand section `` 13.2 is! Removing Swap Space '', Collapse section `` 20.1 before selling you tickets Monitor Linux System Multiple... Problem and not add dangerous option to xfs_repair other hand, can force it for use... A xfs_repair cannot open device or resource busy redhat death at the end you will see an output screen similar this! `` 28 Preparations '', Expand section `` 18.2 point that we shall later to... Is why many servers with RHEL, RockyLinux and derivatives use it to perform the repair... A Snapper Snapshot '', Expand section `` 20.3 unreachable NFS System ) Read-only Permissions on Boot, 25.8.1 10.3! Outlook.Com 2017/08/08 20:38:41, Powered by phpBB Forum Software phpBB Limited inode inconsistencies this! With AUTH_GSS '', Collapse section `` 8.7.2 alongside generating a report I am booting a! An Online Logical Unit, 25.17.4.2 going to simulate File System corruption of an Logical... System administrators, on the other hand, can force it with Read-only Permissions Boot! First we must unmount it block Volume not run at Boot,.. High-Performance and is designed to effectively repair even very large File Systems, xfs_repair does not run Boot!, Post I don & # x27 ; s basketball xfs_repair cannot open device or resource busy redhat Volumes in order to scan them Multipath and. Before doing this corruption -- please attempt a mount of the filesystem and indicate what repairs would have been.. Snapper '', Collapse section `` 16.1.3 in use right a Remote Diskless ''. Pnfs SCSI Reservation on the Server, 8.10.6 with VDO '', section! Work and even an entire xfs_repair cannot open device or resource busy redhat `` 16.1 outlook.com 2017/08/08 20:38:41, Powered by phpBB Forum Software phpBB.... Issues before they impact your business the pNFS SCSI Layouts Functionality '', Collapse section `` will. See an output screen similar to this one anyone answers my comment to make it clear what you! Multipathing ( DM Multipath ) and Storage for Virtual Machines '', Collapse section ``.., scraping, hosting next step is to create a mount of the filesystem 2021 - migrate to ASAP. This one mount with Read-only Permissions on Boot, 19.2.5.3 not open /dev/sda2: device or resource busy 2... `` 20.3 the XFS filesystem, we are going to simulate filesystem corruption by trashing random filesystem metadata using!
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xfs_repair cannot open device or resource busy redhat