Analysis of the operation details of XFS file system in CentOS7 system
Xfs is the default file system type of CentOS7.0. Different file system types have different creation, inspection, and adjustment commands. Pay attention to the distinction.
Adjust Xfs partition size (can only be increased):
lvextend -L 120G /dev/mapper/centos-root # Increase to 120G
lvextend -L 20G /dev/mapper/centos-root # Add 20G
xfs_growfs /dev/mapper/centos-root #Perform adjustments
Note: The adjustment command for ext2/ext3/ext4 is resize2fs, as follows:
lvextend -L 120G /dev/mapper/centos-root # Increase to 120G
lvextend -L 20G /dev/mapper/centos-root # Add 20G
lvreduce -L 50G /dev/mapper/centos-home # Reduce to 50G
lvreduce -L -8G /dev/mapper/centos-home # Reduce 8G
resize2fs /dev/mapper/centos-root # Execute adjustment
Repair command:
xfs_repair /dev/sdb1
Note: The following are the repair commands for Jfs, Ext2, and Ext3 respectively:
fsck.jfs -y /dev/sdb1
fsck.ext2 -y /dev/sdb1
fsck.ext3 -y /dev/sdb1
Problems encountered during adjustment:
1. After using the mke2fs command on the Xfs file system, it becomes ext2. You need to modify the corresponding file system type in the file /etc/fstab
2. Different file system types have different creation, inspection, and adjustment commands. Pay attention to the distinction
The above is the detailed content of Analysis of the operation details of XFS file system in CentOS7 system. For more information, please follow other related articles on the PHP Chinese website!
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