目录
1)df-T能够查看已经挂载的分区和文件系统类型centos
2) fdisk -l 能够显示出全部挂载和未挂载的分区,但不显示文件系统类型bash
3) parted -l 能够查看未挂载的文件系统类型,以及那些分区还没有格式化app
第一步、查看文件系统linux
1)df-T能够查看已经挂载的分区和文件系统类型centos
[root@localhost Nginx]# df -T
Filesystem Type 1K-blocks Used Available Use% Mounted on
/dev/mapper/centos-root xfs 28289540 5970724 22318816 22% /
devtmpfs devtmpfs 906088 0 906088 0% /dev
tmpfs tmpfs 917152 0 917152 0% /dev/shm
tmpfs tmpfs 917152 24880 892272 3% /run
tmpfs tmpfs 917152 0 917152 0% /sys/fs/cgroup
/dev/vda1 xfs 1038336 145756 892580 15% /boot
2) fdisk -l 能够显示出全部挂载和未挂载的分区,但不显示文件系统类型bash
[root@localhost Nginx]# fdisk -l
disk /dev/vda: 32.2 GB, 32212254720 bytes, 62914560 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
disk label type: dos
disk identifier: 0x0009e475
Device Boot Start End Blocks Id System
/dev/vda1 * 2048 2099199 1048576 83 Linux
/dev/vda2 2099200 62914559 30407680 8e Linux LVM
disk /dev/mapper/centos-root: 29.0 GB, 28982640640 bytes, 56606720 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
disk /dev/mapper/centos-swap: 2147 MB, 2147483648 bytes, 4194304 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
3) parted -l 能够查看未挂载的文件系统类型,以及那些分区还没有格式化app
[root@localhost Nginx]# parted -l
Model: Linux device-mapper (linear) (dm)
disk /dev/mapper/centos-swap: 2147MB
Sector size (logical/physical): 512B/512B
Partition Table: loop
disk Flags:
Number Start End Size File system Flags
1 0.00B 2147MB 2147MB linux-swap(v1)
Model: Linux device-mapper (linear) (dm)
disk /dev/mapper/centos-root: 29.0GB
Sector size (logical/physical): 512B/512B
Partition Table: loop
disk Flags:
Number Start End Size File system Flags
1 0.00B 29.0GB 29.0GB xfs
Model: Virtio Block Device (virtblk)
disk /dev/vda: 32.2GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
disk Flags:
Number Start End Size Type File system Flags
1 1049kB 1075MB 1074MB primary xfs boot
2 1075MB 32.2GB 31.1GB primary lvm
4)lsblk -f 也能够查看未挂载的文件系统类型
[root@master1 ~]# lsblk -f
NAME FSTYPE LABEL UUID MOUNTPOINT
vda
├─vda1 xfs 47540296-497a-4a1a-8eb5-602f3f1473e5 /boot
└─vda2 LVM2_member N0luC7-9cMv-ZBNJ-icSN-SrJP-H0nX-JXvKK0
├─centos-root xfs 407126a2-772a-4835-bebc-90cc7226bdf6 /
└─centos-swap swap e3bcb5e9-3e10-426c-9dd9-aa86bac03852 [SWAP]
第二部、修复磁盘oop
ext4文件系统,使用命令 fsck.ext4 /dev/xxx 修复,spa
若是是xfs文件系统,使用命令 xfs_repair -L /dev/xxx修复it
通常状况修复后都可挂载,io
可是若是磁盘有问题,或者阵列出问题时此种修复可能会失败,挂载时依然要求格盘,那就果断的格盘吧