
Alpine Linux添加硬盘空间
系统环境:Alpine vir 3.18.2 x86_64
安装parted工具
fdisk 命令不支持GPT,parted命令可以交互式初始化硬盘和分区
alpine:~# apk add parted
(1/2) Installing readline (8.2.1-r1)
(2/2) Installing parted (3.6-r1)
Executing busybox-1.36.1-r1.trigger
OK: 466 MiB in 94 packages
alpine:~#
运行交互式模式
进入parted交互式模式,输入help查看交互式命令。
alpine:~# parted
GNU Parted 3.6
Using /dev/sda
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) help
align-check TYPE N check partition N for TYPE(min|opt) alignment
help [COMMAND] print general help, or help on COMMAND
mklabel,mktable LABEL-TYPE create a new disklabel (partition table) #磁盘类型,GPT等
mkpart PART-TYPE [FS-TYPE] START END make a partition #新建分区
name NUMBER NAME name partition NUMBER as NAME #分区命名
print [devices|free|list,all] display the partition table, or available devices, or free space, or all found partitions #列出信息
quit exit program
rescue START END rescue a lost partition near START and END
resizepart NUMBER END resize partition NUMBER
rm NUMBER delete partition NUMBER
select DEVICE choose the device to edit #选择设备,硬盘、分区
disk_set FLAG STATE change the FLAG on selected device
disk_toggle [FLAG] toggle the state of FLAG on selected device
set NUMBER FLAG STATE change the FLAG on partition NUMBER
toggle [NUMBER [FLAG]] toggle the state of FLAG on partition NUMBER
type NUMBER TYPE-ID or TYPE-UUID type set TYPE-ID or TYPE-UUID of partition NUMBER
unit UNIT set the default unit to UNIT
version display the version number and copyright information of GNU Parted
(parted)
列出所有硬盘
假设添加的硬盘为/dev/sdc
(parted) print devices
/dev/sda (5369MB)
/dev/sdb (53.7GB)
/dev/sdc (10.7GB)
(parted)
选择硬盘
(parted) select /dev/sdc
Using /dev/sdc
(parted)
设置硬盘类型为GPT
(parted) mklabel gpt
(parted)
添加分区
这里全盘设置为一个分区,交互式模式下分别输入分区名,文件系统类型,起始位置和结束位置,起止位可以用容量表示也可以用百分比表示,添加完毕后查看分区号为1,则分区的路径为/dev/sdc1,退出分区工具
(parted) mkpart
Partition name? []? data
File system type? [ext2]? ext4
Start? 0%
End? 100%
(parted) print
Model: Msft Virtual Disk (scsi)
Disk /dev/sdc: 10.7GB
Sector size (logical/physical): 512B/4096B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
1 1049kB 10.7GB 10.7GB data
(parted)quit
格式化分区
使用mke2fs命令格式化为ext4分区
alpine:~# mke2fs -t ext4 /dev/sdc1
mke2fs 1.47.0 (5-Feb-2023)
Discarding device blocks: done
Creating filesystem with 2620928 4k blocks and 655360 inodes
Filesystem UUID: 857ac26d-86f7-4b0a-87b6-d1db61c063ed
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632
Allocating group tables: done
Writing inode tables: done
Creating journal (16384 blocks): done
Writing superblocks and filesystem accounting information: done
alpine:~#
永久挂载新硬盘
查看分区UUID
alpine:~# blkid
/dev/sdc1: UUID="857ac26d-86f7-4b0a-87b6-d1db61c063ed" TYPE="ext4"
/dev/sdb2: UUID="f7cd3f23-fc5b-49f1-9c7a-20bf89b3a7f9" TYPE="ext4"
/dev/sda3: UUID="9c0abfe7-463b-432d-b5a1-0b96b965c8e4" TYPE="ext4"
/dev/sda2: UUID="efcb0489-c89f-4982-ae28-fdd6fbe3e03f" TYPE="swap"
/dev/sda1: UUID="3A00-9604" TYPE="vfat"
/dev/sdb1: UUID="7138a683-7603-4a69-82c3-1206e30c4efc" TYPE="ext4"
alpine:~#
修改fstab文件,配置分区挂载路径 /opt/programs,programs文件夹应已存在
alpine:~# vi /etc/fstab
UUID=65b4dfed-c3d3-4550-bd21-e8b8e6aa83ac / ext4 rw,relatime 0 1
UUID=2677-3F6F /boot/efi vfat rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=utf8,shortname=mixed,errors=remount-ro 0 2
UUID=28971e08-2233-4696-aac5-f15d3e61e52a swap swap defaults 0 0
UUID=857ac26d-86f7-4b0a-87b6-d1db61c063ed /opt/programs ext4 defaults 0 0 #在UUID部分后增加一行记录
/dev/usbdisk /media/usb vfat noauto 0 0
tmpfs /tmp tmpfs nosuid,nodev 0 0
~
~
- /etc/fstab 1/6 16%
:wq #保存退出
也可使用分区路径到文件夹路径的方式添加挂载配置
请注意,UUID部分记录和路径部分记录不能交叉
不能一行UUID记录一行路径记录
刷新挂载 mount -a
alpine:~# mount -a
alpine:~#
查看挂载情况 df -h
alpine:~# df -h
Filesystem Size Used Available Use% Mounted on
devtmpfs 10.0M 0 10.0M 0% /dev
shm 138.0M 0 138.0M 0% /dev/shm
/dev/sda3 4.1G 2.7G 1.1G 70% /
tmpfs 55.2M 584.0K 54.6M 1% /run
/dev/sda1 263.5M 280.0K 263.2M 0% /boot/efi
/dev/sdb1 9.7G 2.4M 9.2G 0% /opt/cloudreve
tmpfs 138.0M 0 138.0M 0% /tmp
cgroup_root 10.0M 0 10.0M 0% /sys/fs/cgroup
/dev/sda3 4.1G 2.7G 1.1G 70% /var/lib/docker
/dev/sdb2 39.1G 53.1M 37.0G 0% /opt/apps
/dev/sdc1 9.7G 2.0M 9.2G 0% /opt/programs #分区已成功挂载
alpine:~#
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