10. GPT

10. GPT
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$ sudo parted /dev/sda
GNU Parted 2.3
Using /dev/sda
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted)

10.1. 查看分區

(parted) print
Model: DELL PERC 6/i (scsi)
Disk /dev/sda: 2498GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt

Number  Start   End     Size    File system     Name     Flags
 1      1049kB  50.0GB  50.0GB  ext4                     boot
 2      50.0GB  66.0GB  16.0GB  linux-swap(v1)
 3      66.0GB  2498GB  2432GB  ext4            /backup

空閒空間

(parted) print free
Model: DELL PERC 6/i (scsi)
Disk /dev/sda: 2498GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt

Number  Start   End     Size    File system     Name     Flags
        17.4kB  1049kB  1031kB  Free Space
 1      1049kB  50.0GB  50.0GB  ext4                     boot
 2      50.0GB  66.0GB  16.0GB  linux-swap(v1)
 3      66.0GB  2498GB  2432GB  ext4            /backup
        2498GB  2498GB  1032kB  Free Space

10.2. 創建分區

(parted) mkpart
Partition name?  []? /www
File system type?  [ext2]?
Start? 10GB
End? 50GB

例 12.1. GPT Example

(parted) print devices
/dev/sdb (9999GB)
/dev/sda (2498GB)

(parted) select /dev/sdb
Using /dev/sdb

(parted) mklabel gpt
Warning: The existing disk label on /dev/sdb will be destroyed and all data on this disk will be
lost. Do you want to continue?
Yes/No? yes

(parted) mkpart
Partition name?  []? /md1200
File system type?  [ext2]? ext4
Start? 0GB
End? 9999GB

(parted) print list
Model: DELL PERC H800 (scsi)
Disk /dev/sdb: 9999GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt

Number  Start   End     Size    File system  Name     Flags
 1      1049kB  9999GB  9999GB               /md1200


Model: DELL PERC 6/i (scsi)
Disk /dev/sda: 2498GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt

Number  Start   End     Size    File system     Name     Flags
 1      1049kB  50.0GB  50.0GB  ext4                     boot
 2      50.0GB  66.0GB  16.0GB  linux-swap(v1)
 3      66.0GB  2498GB  2432GB  ext4            /backup


(parted)

10.3. 退出

(parted) quit

10.4. mount

neo@backup:~$ sudo blkid
[sudo] password for neo:
/dev/sda1: UUID="2fc411ec-9f6e-4e04-9270-11d23a9b0668" TYPE="ext4"
/dev/sda2: UUID="f5175b7a-4c87-471c-ab9f-9d601bc5e6e2" TYPE="swap"
/dev/sda3: UUID="3217bdd9-1beb-494a-a428-8d1c09eaa1af" TYPE="ext4"

neo@backup:~$ sudo vim /etc/fstab
UUID=3217bdd9-1beb-494a-a428-8d1c09eaa1af /backup ext4 errors=remount-ro 0       1

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