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Linux文件系统变成只读解决办法

2011-05-23 15:04:46| 分类： Linux Support | 标签： |举报 |字号大中小订阅

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解决办法
1.重启看是否可以修复（很多机器可以）
2.使用用fsck – y 来修复文件系统
3.若，在进行修复的时候有的分区会报错，重新启动系统问题依旧

查看下分区结构

[root@localhost mobile]# more /etc/fstab

[root@localhost ~]# more /proc/mounts

[root@localhost ~]# mount
/dev/sda3 on / type ext3 (rw)
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
devpts on /dev/pts type devpts (rw,gid=5,mode=620)
/dev/sda1 on /boot type ext3 (ro)
tmpfs on /dev/shm type tmpfs (rw)
none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)
sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw)

查看ro挂载的分区,如果发现有ro，就重新mount
umount /dev/sda1
mount /dev/sda1 /boot
如果发现有提示“device is busy”，找到是什么进程使得他busy
fuser -m /boot 将会显示使用这个模块的pid
fuser -mk /boot 将会直接kill那个pid
然后重新mount即可。

4.直接remount，命令为
[root@localhost ~]# mount -o rw,remount /boot

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