Linux下新增扩容本地盘和FC存储,重新启动服务器是可以识别到新的空间或磁盘,执行使用下面的方法,不需要重启也能识别
[root@localhost ~]# ls /sys/class/scsi_host | wc -l3
[root@localhost ~]# echo "- - -" > /sys/class/scsi_host/host0/scan[root@localhost ~]# echo "- - -" > /sys/class/scsi_host/host1/scan[root@localhost ~]# echo "- - -" > /sys/class/scsi_host/host2/scan
或者使用for循环,不知道挂在那根总线上把全部的都刷一遍
[root@localhost ~]# for i in {0..2}; do echo "- - -" > /sys/class/scsi_host/host$i/scan; done或者[root@localhost ~]# for host in `ls /sys/class/scsi_host/|xargs -n 1`;do echo "- - -" >/sys/class/scsi_host/${host}/scan; done
扫描前 扫描后
echo 1 > /sys/class/scsi_device/X:X:X:1/device/rescanecho 1 > /sys/class/scsi_device/X:X:X:2/device/rescan或者echo 1 > /sys/block/sda/device/rescan
echo "- - -" > /sys/class/fc_host/host1/issue_lipecho "- - -" > /sys/class/fc_host/host2/issue_lip