rp8420机器,安装了4块硬盘,vg00是用两个硬盘做,另外两个硬盘没有做vg,其中没有做vg硬盘经常离线,具体如下: #ioscan -fnNC disk | pg Class I H/W Path Driver S/W State H/W Type Description =================================================================== disk 5 64000/0xfa00/0x5 esdisk CLAIMED DEVICE _NEC DVD+RW ND-2100AD /dev/disk/disk5 /dev/rdisk/disk5 disk 6 64000/0xfa00/0x6 esdisk CLAIMED DEVICE HP 73.4GST373454LC /dev/disk/disk6 /dev/rdisk/disk6 disk 7 64000/0xfa00/0x7 esdisk NO_HW DEVICE HP 73.4GST373454LC /dev/disk/disk7 /dev/rdisk/disk7 disk 8 64000/0xfa00/0x8 esdisk CLAIMED DEVICE HP 73.4GMAU3073NC /dev/disk/disk8 /dev/rdisk/disk8 disk 9 64000/0xfa00/0x9 esdisk CLAIMED DEVICE HP 73.4GMAU3073NC /dev/disk/disk9 /dev/rdisk/disk9
(1)更换SCSI背板和SCSI连接线,开始正常,过了几个小时,还是以上现象。 (2)把disk7和disk9硬盘对换了一下,然后用ioscan -fnNC disk | pg ,看disk7和disk9都是NO_HW。 请问一下以下现象,是什么问题?