resize2fs: Bad magic number in super-block while trying to open /dev/vdb Couldn't find valid filesystem superblock. 问题原因 该错误表示指定扩容的设备,如示例中的/dev/vdb,不是Ext4文件系统格式。 解决方案 检查设备的文件系统,确保为Ext4文件系统类型。 ls
Linux基础命令---resizefs resize2fs 调整ext2\ext3\ext4文件系统的大小,它可以放大或者缩小没有挂载的文件系统的大小。如果文件系统已经挂载,它可以扩大文件系统的大小,前提是内核支持在线调整大小。 size参数指定所请求的文件系统的新大小。如果没有指定任何单元,那么size参数的单位应该是文件系统的文件系统块大小。size...
resize2fs命令 针对的是ext2、ext3、ext4文件系统 xfs_growfs命令 针对的是xfs文件系统 ### 1)ext2/ext3/ext4文件系统的调整命令是resize2fs(增大和减小都支持) lvextend -L 120G /dev/mapper/centos-home #增大至120G lvextend -L +20G /dev/mapper/centos-home #增加20G lvreduce -L 50G /dev/mapper/ce...
resize2fs: Bad magic number in super-block while trying to open /dev/vdb Couldn't find valid filesystem superblock. Cause The device that you want to extend, such as /dev/vdb, is not formatted to Ext4. Solution Check the file systems on the device. Make sure that the file systems on...
ext4-fs warning是Linux系统中EXT4文件系统发出的警告信息。EXT4是Linux系统中广泛使用的一种文件系统,它提供了高效的文件存储和访问能力。当文件系统检测到某些潜在问题或不一致时,会通过内核日志(如/var/log/syslog或dmesg命令的输出)发出警告信息,以提醒系统管理员注意。 解析警告信息中的(device dm-4): ext4_res...
Linux OS - Version Oracle Linux 6.0 and laterOracle Cloud Infrastructure - Version N/A and laterInformation in this document applies to any platform.SymptomsOn Oracle Linux 6, an LVM volume group size has been extended and an attempt to do online resize of ext4 filesystem on LVM volume group...
# resize2fs /dev/vg01/lvol01 resize2fs 1.45.6 (20-Mar-2020) resize2fs: New size too large to be expressed in 32 bits Environment Red Hat Enterprise Linux 6 Logical Volume Management (LVM2) Ext3 and ext4 Filesystem Subscriber exclusive content ...
真实案例:同事对centos7服务器上的lvm进行了扩容(ext4系统),扩容后lv成功扩容,但挂载点无法同步扩容,执行resize2fs /dev/mapper/lv,提示resize2fs: Permission denied to resize filesystem 处理流程: 1遇到这种情况,一般是因为磁盘或者lv还在挂载中,需要先卸载掉挂载点(umount),考虑到本台服务器也是nfs server于是就...
resize2fs /dev/mapper/mpath22 [For Ext4] xfs_growfs /dev/mapper/vg01-lv002 [For XFS] Use the following steps if LVM is configured: Scan LVM to check the disk changes detected under LVM. pvscan If it’s detected, now the VG should reflect the additional space that was added into the ...
Enlarge the logical volume and the filesystem (the file system can be mounted, works with ext4 and xfs). Replace "{volume group name}" with your specific volume group name: #This command will increase the partition up by 20GB lvresize --size +20G --resizefs /dev/{volume group name}/...