# umount /dev/sda1Īfter successful unmount, execute fsck command at Linux bash prompt. But you are required to unmount that partition before checking and repairing it. To scan a Linux disk partition, you can use fsck (File System Consistency Check) command. Scan & Repair a Ext4 Type Disk Partition: You can find the last scan time for Linux Ext4 type partitions with the help of following command. You can execute the lsblk command with following switches at the Linux bash prompt to list the required information. Recommended Training: 1Z0-409 Oracle Linux Fundamentals Certified Practice Examįirst of all you need to identify the disk partitions in your Linux server, their respective file systems and the path where they are being mounted.īy using a console or a ssh client, connect with your Linux server as root user. Recommended Book: Practical Guide to Linux Commands, Editors, and Shell Programming by Mark Sobell & Matthew Helmke The exact behaviors of various fsck implementations vary, but they typically follow a common order of internal operations and provide a common command-line interface to the user. The command works directly on data structures stored on disk, which are internal and specific to the particular file system in use - so an fsck command tailored to the file system is generally required. Generally, fsck is run either automatically at boot time, or manually by the system administrator. The system utility fsck (file system consistency check) is a tool for checking the consistency of a file system in Unix and Unix-like operating systems, such as Linux, macOS, and FreeBSD. Enable Scanning of XFS Disk Partitions at Linux Startup.Scan & Repair a XFS Type Disk Partition.Enable Scanning of Ext4 Disk Partitions at Linux Startup.Scan & Repair a Ext4 Type Disk Partition.In this article, you will learn how to repair Linux disk errors by using fsck and xfs_repair commands.
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