我在服务器上有4个磁盘。 其中3个安装在raid卡上，配置为raid5。 其他设备是3 TB Sata磁盘。
如果我运行df -h命令;
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/pve-root 95G 7.3G 83G 9% /
tmpfs 16G 0 16G 0% /lib/init/rw
udev 16G 212K 16G 1% /dev
tmpfs 16G 19M 16G 1% /dev/shm
/dev/mapper/pve-data 298G 7.6G 291G 3% /var/lib/vz
/dev/sda1 495M 41M 429M 9% /boot
/dev/fuse 30M 12K 30M 1% /etc/pve
我将数据磁盘挂载为/ SATA
root @：/＃df -h / sata
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/pve-root 95G 7.3G 83G 9% /
parted -l </ strong>
Model: LSI MR9260-4i (scsi)
Disk /dev/sda: 479GB
Sector size (logical/physical): 512B/4096B
Partition Table: msdos
Number Start End Size Type File system Flags
1 1049kB 537MB 536MB primary ext3 boot
2 537MB 479GB 478GB primary lvm
Model: LSI MR9260-4i (scsi)
Disk /dev/sdb: 3000GB
Sector size (logical/physical): 512B/4096B
Partition Table: loop
Number Start End Size File system Flags
1 0.00B 3000GB 3000GB ext3
Model: Linux device-mapper (linear) (dm)
Disk /dev/mapper/pve-data: 325GB
Sector size (logical/physical): 512B/4096B
Partition Table: loop
Number Start End Size File system Flags
1 0.00B 325GB 325GB ext3
Model: Linux device-mapper (linear) (dm)
Disk /dev/mapper/pve-swap: 33.3GB
Sector size (logical/physical): 512B/4096B
Partition Table: msdos
Number Start End Size Type File system Flags
1 32.3kB 5001MB 5001MB extended
5 64.5kB 5001MB 5001MB logical
Model: Linux device-mapper (linear) (dm)
Disk /dev/mapper/pve-root: 103GB
Sector size (logical/physical): 512B/4096B
Partition Table: loop
Number Start End Size File system Flags
1 0.00B 103GB 103GB ext3
为什么我的系统无法看到完整的数据磁盘？
答案 0 :(得分：0)
fdisk -l </ strong>
Disk /dev/sda: 479.0 GB, 479023071232 bytes
255 heads, 63 sectors/track, 58237 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x0002f627
Device Boot Start End Blocks Id System
/dev/sda1 * 1 66 523264 83 Linux
Partition 1 does not end on cylinder boundary.
/dev/sda2 66 58238 467271680 8e Linux LVM
Disk /dev/sdb: 3000.0 GB, 3000034656256 bytes
255 heads, 63 sectors/track, 364733 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x00000000
Disk /dev/sdb doesn't contain a valid partition table
Disk /dev/dm-0: 103.1 GB, 103079215104 bytes
255 heads, 63 sectors/track, 12532 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x00000000
Disk /dev/dm-0 doesn't contain a valid partition table
Disk /dev/dm-1: 33.3 GB, 33285996544 bytes
255 heads, 63 sectors/track, 4046 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x00000000
Device Boot Start End Blocks Id System
/dev/dm-1p1 1 608 4883728+ 5 Extended
Partition 1 does not start on physical sector boundary.
/dev/dm-1p5 1 608 4883697 82 Linux swap / Solaris
Partition 5 does not start on physical sector boundary.
Disk /dev/dm-2: 324.9 GB, 324941119488 bytes
255 heads, 63 sectors/track, 39505 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x00000000
Disk /dev/dm-2 doesn't contain a valid partition table
答案 1 :(得分：0)
和 ls -l / dev / disk / by-uuid /
total 0
lrwxrwxrwx 1 root root 10 Feb 7 23:06 40272a0f-53f7-411c-912d-8ca336e14332 -> ../../dm-2
lrwxrwxrwx 1 root root 10 Feb 7 23:06 636cd224-f730-4863-8704-ef029ee75010 -> ../../dm-1
lrwxrwxrwx 1 root root 10 Feb 7 22:16 846c7554-d0d2-4f7f-b924-5e64b2253b76 -> ../../dm-0
lrwxrwxrwx 1 root root 9 Feb 7 23:06 d65a7bc3-8391-4db2-8928-0f80e6214ba1 -> ../../sdb
lrwxrwxrwx 1 root root 10 Feb 7 22:16 e166e41c-c5b6-4407-9609-50c917e070df -> ../../sda1