1:查看服务器上未挂载的磁盘(磁盘有普通磁盘,高效磁盘,SSD磁盘);命令如下:fdisk -l
从上图可以看出,服务器的 /dev/vdb 42.9GB 此磁盘未挂载;2:磁盘分区(分区有主分区,扩展 分区,逻辑分区);命令如下:fdisk /dev/vdb
n->p->1->回车->回车->w
上图的大概意思是这样的:n:添加一个分区P:主分区两个回车指是开始和结束的磁盘扇区大小;w:写入磁盘此时磁盘虽然已经分区,但是还没有文件系统,磁盘依然不能用;博主服务器只购买了一块数据盘,所以我就全部用来做主分区了,如果你想把一个磁盘分成好几块,可以继续按此命令分区即可;你可以继续创建扩展分区……;3:格式化磁盘并写入文件系统:命令如下:mkfs.ext4 /dev/vdb1 //这里可以用ext3,也可以用ext4;出现如下图这们的界面,就是格式化磁盘写入文件成功:
4:挂载新磁盘到操作系统的某个节点上,命令如下:
mkdir /huichengffmount /dev/vdb1 /huichengff
在系统的根创建一个huichengff,把这个磁盘挂载到此目录;挂载位置可以自己随意创建;5:查看磁盘信息,确认挂载新磁盘是否成功,命令如下:
df
如果挂载成功,会出现如下图这样的界面;
6:查看磁盘所有信息;当我们再来查所有分区时,用fdisk -l 命令就会多了一个主分区,/dev/vdb1;如下图:
7:设置开机启动自动挂载;新创建的分区不能开机自动挂载,每次重启机器都要手动挂载。设置开机自动挂载需要修改/etc/fstab文件 ;命令如下:
vim /etc/fstab
//打开后,在最后一行加入以下代码:
/dev/vdb1 /huichengff ext4 defaults 0 1
//如果上面用的是ext3,这里也要用ext3;
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