在某此情况下,HP-UX系统上ioscan后容易出现NO_HW状态的盘,比如:
RX2604[/#]ioscan -fNnkC disk
Class I H/W Path Driver S/W State H/W Type Description
===================================================================
disk 1 64000/0xfa00/0x0 esdisk CLAIMED DEVICE HP IR Volume
/dev/disk/disk1 /dev/disk/disk1_p2 /dev/rdisk/disk1 /dev/rdisk/disk1_p2
/dev/disk/disk1_p1 /dev/disk/disk1_p3 /dev/rdisk/disk1_p1 /dev/rdisk/disk1_p3
disk 3 64000/0xfa00/0x1 esdisk CLAIMED DEVICE TEAC DVD-ROM DW-224EV
/dev/disk/disk3 /dev/rdisk/disk3
disk 9 64000/0xfa00/0xb esdisk CLAIMED DEVICE DGC RAID 5
/dev/disk/disk9 /dev/rdisk/disk9
disk 11 64000/0xfa00/0xd esdisk CLAIMED DEVICE HITACHI DF600F
/dev/disk/disk11 /dev/rdisk/disk11
disk 15 64000/0xfa00/0x10 esdisk CLAIMED DEVICE HITACHI DF600F
/dev/disk/disk15 /dev/rdisk/disk15
disk 23 64000/0xfa00/0x14 esdisk CLAIMED DEVICE HITACHI DF600F
/dev/disk/disk23 /dev/rdisk/disk23
disk 28 64000/0xfa00/0x16 esdisk NO_HW DEVICE HP P2000 G3 FC
/dev/disk/disk28 /dev/rdisk/disk28
disk 29 64000/0xfa00/0x17 esdisk NO_HW DEVICE HP P2000 G3 FC
/dev/disk/disk29 /dev/rdisk/disk29
disk 34 64000/0xfa00/0x18 esdisk CLAIMED DEVICE HP P2000 G3 FC
/dev/disk/disk34 /dev/rdisk/disk34
disk 35 64000/0xfa00/0x19 esdisk CLAIMED DEVICE HP P2000 G3 FC
/dev/disk/disk35 /dev/rdisk/disk35
RX2604[/#]
这种情况的出现是因为,disk28和disk29这2块盘之前有使用,后来在HP p2000的存储上删除重新划掉过,而disk34和disk35是新盘,在这台服务器上以前未使用过,所以状态是正常的。