scsi设备热插拔

1. SCSI设备支持热插拔
2. SCSI设备支持动态发现
2种方法查看scsi信息
cat /proc/scsi/scsi
yum install lsscsi –y
lsscsi
[1:0:0:0]    cd/dvd  NECVMWar VMware IDE CDR10 1.00  /dev/sr0 
[2:0:0:0]    disk    VMware,  VMware Virtual S 1.0   /dev/sda


cd /sys/class/scsi_host/host1/device/target1:0:0/1:0:0:0
echo 1 > delete
这时可以热插拔
lsscsi
/sys/class/scsi_host/host1/device/target1:0:0/1:0:0:0
cd /sys/class/scsi_host/host1
echo echo "- - -" > scan
恢复
lsscsi
[1:0:0:0]    cd/dvd  NECVMWar VMware IDE CDR10 1.00  /dev/sr0 
[2:0:0:0]    disk    VMware,  VMware Virtual S 1.0   /dev/sda