ПРОПАЛ ДИСК - HELP!!!

Пришлось грубо перегрузить систему. Накрылся /etc/fstab он был полностью чистый. Кстати на XFS :-). Но поламалось что-то еще. 

Прилагаю лог загрузки ядра. Обратите внимение на идентификацию диска hdb


Uniform Multi-Platform E-IDE driver Revision: 7.00beta-2.4
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
SIS5513: IDE controller at PCI slot 00:02.5
SIS5513: chipset revision 208
SIS5513: not 100% native mode: will probe irqs later
SiS645    ATA 100 controller
    ide0: BM-DMA at 0xf000-0xf007, BIOS settings: hda:DMA, hdb:DMA
    ide1: BM-DMA at 0xf008-0xf00f, BIOS settings: hdc:pio, hdd:DMA
hda: ST340016A, ATA DISK drive
hdb: SУ3╣0╣1╥A╔ ╔ ╔ ╔ ╔ ╔ ╔ ╔ ╔ ╔ ╔ ╔ ╔ ╔ ╔ , ATA DISK drive
blk: queue c03cbf40, I/O limit 4095Mb (mask 0xffffffff)
blk: queue c03cc084, I/O limit 4095Mb (mask 0xffffffff)
hdd: CD-W540E, ATAPI CD/DVD-ROM drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide1 at 0x170-0x177,0x376 on irq 15
hda: host protected area => 1
hda: 78165360 sectors (40021 MB) w/2048KiB Cache, CHS=4865/255/63, UDMA(100)
hdb: host protected area => 1
hdb: setmax LBA 78165360, native  78156225
hdb: 78156225 sectors (40016 MB) w/2130KiB Cache, CHS=4865/255/63, UDMA(100)
hdb: INVALID GEOMETRY: 255 PHYSICAL HEADS?
ide-floppy driver 0.99.newide
Partition check:
 hda: hda1 hda2 < hda5 hda6 >
 hdb:<4>hdb: set_multmode: status=0x51 { DriveReady SeekComplete Error }
hdb: set_multmode: error=0x04 { DriveStatusError }
 hdb2 <hdb: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hdb: dma_intr: error=0x10 { SectorIdNotFound }, LBAsect=234881087, sector=16064
hdb: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hdb: dma_intr: error=0x10 { SectorIdNotFound }, LBAsect=234881087, sector=16064
hdb: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hdb: dma_intr: error=0x10 { SectorIdNotFound }, LBAsect=234881087, sector=16064
hdb: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hdb: dma_intr: error=0x10 { SectorIdNotFound }, LBAsect=234881087, sector=16064
hda: DMA disabled
hdb: DMA disabled
ide0: reset: success
hdb: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error }
hdb: read_intr: error=0x11 { SectorIdNotFound AddrMarkNotFound }, LBAsect=234946367, sector=16064
hdb: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error }
hdb: read_intr: error=0x11 { SectorIdNotFound AddrMarkNotFound }, LBAsect=234946367, sector=16064
hdb: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error }
hdb: read_intr: error=0x11 { SectorIdNotFound AddrMarkNotFound }, LBAsect=234946367, sector=16064
hdb: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error }
hdb: read_intr: error=0x11 { SectorIdNotFound AddrMarkNotFound }, LBAsect=234946367, sector=16064
ide0: reset: success
hdb: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error }
hdb: read_intr: error=0x11 { SectorIdNotFound AddrMarkNotFound }, LBAsect=234946367, sector=16064
end_request: I/O error, cmd 0 dev 03:40 (hdb), sector 16064
hdb: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error }
hdb: read_intr: error=0x11 { SectorIdNotFound AddrMarkNotFound }, LBAsect=234946367, sector=16064
hdb: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error }
hdb: read_intr: error=0x11 { SectorIdNotFound AddrMarkNotFound }, LBAsect=234946367, sector=16064
hdb: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error }
hdb: read_intr: error=0x11 { SectorIdNotFound AddrMarkNotFound }, LBAsect=234946367, sector=16064
hdb: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error }
hdb: read_intr: error=0x11 { SectorIdNotFound AddrMarkNotFound }, LBAsect=234946367, sector=16064
ide0: reset: success
hdb: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error }
hdb: read_intr: error=0x11 { SectorIdNotFound AddrMarkNotFound }, LBAsect=234946367, sector=16064
hdb: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error }
hdb: read_intr: error=0x11 { SectorIdNotFound AddrMarkNotFound }, LBAsect=234946367, sector=16064
hdb: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error }
hdb: read_intr: error=0x11 { SectorIdNotFound AddrMarkNotFound }, LBAsect=234946367, sector=16064
hdb: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error }
hdb: read_intr: error=0x11 { SectorIdNotFound AddrMarkNotFound }, LBAsect=234946367, sector=16064
ide0: reset: success
hdb: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error }
hdb: read_intr: error=0x11 { SectorIdNotFound AddrMarkNotFound }, LBAsect=234946367, sector=16064
end_request: I/O error, cmd 0 dev 03:40 (hdb), sector 16064
 >

уж очень диск этот нужен . Спасибо.