linux在线添加硬盘、扫盘1：查看scsi 硬盘设备
[root@web02 ~]# ls /sys/class/scsi_host
host0 host1 host2
2：检查本机现有硬盘
[root@web02 ~]# fdisk /dev/sda
sda sda1 sda2 sda3
3：刷新scsi驱动器
[root@web02 ~]# echo "- - -" > /sys/class/scsi_host/host0/scan
[root@web02 ~]# echo "- - -" > /sys/class/scsi_host/host1/scan
[root@web02 ~]# echo "- - -" > /sys/class/scsi_host/host2/scan
[root@web02 ~]# fdisk /dev/sd
sda sda1 sda2 sda3 sdb sdc
[root@web02 ~]# fdisk /dev/sd^C
[root@web02 ~]# fdisk -l
Disk /dev/sda: 53.7 GB, 53687091200 bytes
255 heads, 63 sectors/track, 6527 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x0007f7e4
Device Boot Start End Blocks Id System
/dev/sda1 * 1131104857683 Linux
Partition 1 does not end on cylinder boundary.
/dev/sda2 13163364984320083 Linux
/dev/sda3 63366528153600082 Linux swap / Solaris
Disk /dev/sdb: 10.7 GB, 10737418240 bytes
255 heads, 63 sectors/track, 1305 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Disk /dev/sdc: 10.7 GB, 10737418240 bytes
255 heads, 63 sectors/track, 1305 cylinders
linux在线编程
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
[root@web02 ~]#

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