求助！系统启动找不到硬盘，怎么办？

我用boot －a，重启后走到找系统盘 /pci@1f.0/ide@d/dad@1f,0:a ,然后就不动了，请问各位大虾，这是什么问题啊，该怎么处理!

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是不是磁盘坏了?

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在ok状态下用 probe-scsi-all看一下是不是能认到

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用下楼上的办法``最好说出你的具体环境！是否做了RAID  有几块盘```做了什么操作？
给一些相关的报错信息``！

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Rebooting with command: boot -V
Boot device: /pci@1f,0/ide@d/disk@0,0:a File and args: -v
Size 344568+90106+76202 Bytes
SunOS Release 5.8 Version Generic_108528_18 64-bit
Copyright 1983-2001 SUN Microsystems, Inc All right reserved.
Ethernet address = 0:3:ba:2c:4:ba
mem = 524288K (0x20000000)
avail mem = 509083648
root nexus = Sun Blade 150 (UltraSPARC-IIe 650MHz)
pcipsy0 at root: UPA 0x1f 0x0
pcipsy0 is /pci@1f,0
PCI-device: pmu@3, pmubus0
PCI-device: ppm@b3, pmubus0
grppm0 is /pci@1f,0/pmu@3/ppm@b3
PCI-device: ide@d, uata0
uata0 is /pci@1f,0/ide@d
dad0 at pci10@b9,52290 target 0 lun 0
dad0 is /pci@1f,0/ide@d/dad@0,0
        <WDC WD400BB-22DEA0 cyl 19156 alt 2 hd 16 sec 255>
root on //pci@1f,0/ide@d/disk@0,0:a fstype ufs
PCI-device: isa@7, ebus0
power0 at ebus0: offset 0, 800
power0 is /pci@1f,0/isa@7/power@0,800
us0 at root:UPA 0x0 0x0 ...
PCI-device: beep@b2, grbeep0
grbeep0 is /pci@1f,0/pmu@3/beep@b2
PCI-device: ebus@c, ebus1
PCI-device: /pci@1f,0/pmu@3/beep@b2
ohci0 is /pci@1f,0/usb@c,3
USB-device: mouse@1, hid4 at bus address 2
hid4 is /pci@1f,0/usb@c,3/mouse@1
USB-device: keyboard@2, hid0 at bus address 3
hid0 is /pci@1f,0/usb@c,3/keyboard@2
/pci@1f,0/usb@c,3/keyboard@2 (hid0) online
/pci@1f,0/usb@c,3/mouse@1 (hid4) online
PCI-device: SUNW,m64B@13, m640
m640 is /pci@1f,0/SUNW,m64B@13
m64#0: 1152x900, 8M mappable, rev 4752.27
cpu0: SUNW, UltraSPAEC-IIe (upaid 0 impl 0x13 ver 0x33 clock 650 MHz

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WARNING: /pci@1f,0/ide@d/dad@0,0 (dad0)
          Uncorrectable data Error: Block b5c00
WARNING: /pci@1f,0/ide@d/dad@0,0 (dad0)
          disk not responding to seletion
/dev/rdsk/c0t0d0s0: CANNOT READ: BLK 744416
/dev/rdsk/c0t0d0s0: UNEXPECTED INCONSISTENCY
                          RUN fsck Manually

后来使用fsck -F ufs /dev/rdisk/cot0d0s0 修复以后，就成上面那样了！谢谢！

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使用probe-scsi-all命令，要求使用reset-all后再执行probe-scsi-all，选择Y后没有任何输出！谢谢！

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SUN Blade 150 (UltraSPARC-IIe 650MHz)
双硬盘，没有做RAID，一个是系统盘，一个是数据盘！
系统是充血启动后出现这个问题的。

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另外我在OK下使用boot cdrom -s无法启动！谢谢！

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