Device file
Device file disk device naming: / dev / dev-file
SCSI, SATA, SAS, IDE, USB: / dev / sd *
Virtual disks: / dev / vd
Different disk identifier: az, aa, ab ...
/ Dev / sda, / dev / sdb, ...
Different partitions on the same device: 1 .. .
/dev/sda1,/dev/sda5
Equipment Number: major number identifies the device type
Different devices in the minor number identifies the same type
Disk storage terms:
head head
track track
cylinder cylinder
sector sector
CHS:
24bit addressing using
Wherein 10 represents the front cylinder, intermediate 8 represents a head, behind 6 represents sector
The maximum addressable space 8GB
LBA:（Logical block addressing）
LBA is an integer, by converting into a complete disk format specific CHS
Addressing using LBA 48
The maximum addressable space 128PB
Use partition space steps:
Partition, create a file system, mount
Equipment Identity
Device partition
Create a file system
Label the filesystem
Create an entry in / etc / fstab file
Mount the new file system