h.d. error?

[Kwsths]

Entelws 3afnika xwris na peira3w oute bios, oute ta partitions, oute
tipota arxise na mou petaei auto to parakatw mynhma.
 oi diskoi einai: 
hda: QUANTUM FIREBALL EL2.5A, 2445MB w/418kB Cache, CHS=621/128/63, UDMA
hdb: QUANTUM FIREBALL_TM3840A, 3681MB w/76kB Cache, CHS=935/128/63, DMA
Kanontas fdisk na dw ti trexei meta partition petaei to e3hs:
horizon:~# fdisk /dev/hdb

Unable to read /dev/hdb

Kai to mynhma sto boot einai auto:

Partition check:
 hda: hda1 hda2
 hdb: hdb1 hdb2 <hdb: dma_intr: status=0x51 { DriveReady SeekComplete
Error }
hdb: dma_intr: error=0x10 { SectorIdNotFound }, LBAsect=168288256,
sector=0
hdb: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hdb: dma_intr: error=0x10 { SectorIdNotFound }, LBAsect=168288256,
sector=0
hdb: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hdb: dma_intr: error=0x10 { SectorIdNotFound }, LBAsect=168288256,
sector=0
hdb: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hdb: dma_intr: error=0x10 { SectorIdNotFound }, LBAsect=168288256,
sector=0
hda: DMA disabled
hdb: DMA disabled
ide0: reset: success
hdb: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error }
hdb: read_intr: error=0x10 { SectorIdNotFound }, LBAsect=168288256,
sector=0
hdb: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error }
hdb: read_intr: error=0x10 { SectorIdNotFound }, LBAsect=168288256,
sector=0
hdb: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error }
hdb: read_intr: error=0x10 { SectorIdNotFound }, LBAsect=168288256,
sector=0
hdb: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error }
hdb: read_intr: error=0x10 { SectorIdNotFound }, LBAsect=168288256,
sector=0
hdb: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error }
hdb: read_intr: error=0x10 { SectorIdNotFound }, LBAsect=168288256,
sector=0
hdb: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error }
hdb: read_intr: error=0x10 { SectorIdNotFound }, LBAsect=168288256,
sector=0
hdb: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error }
hdb: read_intr: error=0x10 { SectorIdNotFound }, LBAsect=168288256,
sector=0
ide0: reset: success
hdb: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error }
hdb: read_intr: error=0x10 { SectorIdNotFound }, LBAsect=168288256,
sector=0
end_request: I/O error, dev 03:42 (hdb), sector 0
 > hdb3 hdb4

Exei kaneis kamia idea ti ginetai?
TIA

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