Linux centos7系统内核因为空间用尽，100%满了导致进入磁盘只读模式修复cannot remove 'xxxx.zip': Read-only file system

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Linux centos7系统内核因为空间用尽，100%满了导致进入磁盘只读模式修复cannot remove 'xxxx.zip': Read-only file system

root用户无法删除文件，尝试无数种办法依旧提示
cannot remove 'xxxx.zip': Read-only file system

尝试重启系统问题依旧，检查dmesg发现内核打印为
EXT4-fs (vda1): Couldn't remount RDWR because of unprocessed orphan inode list. Please umount/remount instead.

解决办法，进入单用户模式运行取消挂载命令

1. umount -l /sysroot

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在重新挂载这个磁盘

1. mount /dev/vda1 /sysroot

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重新挂载过程会提示如下，内核会自动修复磁盘的只读问题

[ 472.762602] EXT4-fs (vda1): warning: mounting fs with errors, running e2fsck is recommended
[ 472.765857] EXT4-fs (vda1): Errors on filesystem, clearing orphan list.
[ 472.768462] EXT4-fs (vda1): recovery complete
[ 472.769911] EXT4-fs (vda1): mounted filesystem with ordered data mode.

随后 cd /sysroot 进去删除垃圾文件，在reboot直接重启服务器即可恢复系统正常工作