Whenever I boot Mandrake 9.2 I get these errors. Mandrake loads normally after, but I am still concerned about them. Mandrake 8 does not install, I get 'test for bad drives error'. This time I was trying to wipe my hard drive with Darik's Boot and Nuke (DBAN) and these are the errors I got. Does anyone know what is wrong, and how I can go about fixing them?
Thanks in advance.

MY Computer: Dell OptiPlex GX200 (PIII 933MHz), 128MB Ram, Adaptec 29160N SCSI with Quantum Atlas 20GB hard drive.
IDE Devices: Lite-On CD-ROM, IOMEGA ZIP 100, LG GCE-8525B CD-RW

Partition check:
hdb:end_request: I/O error, dev 03:40 (hdb), sector 0
end_request: I/O error, dev 03:40 (hdb), sector 1
end_request: I/O error, dev 03:40 (hdb), sector 2
end_request: I/O error, dev 03:40 (hdb), sector 3
end_request: I/O error, dev 03:40 (hdb), sector 4
end_request: I/O error, dev 03:40 (hdb), sector 5
end_request: I/O error, dev 03:40 (hdb), sector 6
end_request: I/O error, dev 03:40 (hdb), sector 7
end_request: I/O error, dev 03:40 (hdb), sector 0
end_request: I/O error, dev 03:40 (hdb), sector 1
end_request: I/O error, dev 03:40 (hdb), sector 2
end_request: I/O error, dev 03:40 (hdb), sector 3
end_request: I/O error, dev 03:40 (hdb), sector 4
end_request: I/O error, dev 03:40 (hdb), sector 5
end_request: I/O error, dev 03:40 (hdb), sector 6
end_request: I/O error, dev 03:40 (hdb), sector 7
unable to read partition table
SCSI subsystem driver Revision: 1.00
Loading Adaptec I2O RAID: Version 2.4 Build 5
Detecting Adaptec I2O RAID controllers...
Red Hat/Adaptec aacraid driver (1.1-3 Feb 22 2004 20:50:50)
PCI: Found IRQ 9 for device 02:07.0
PCI: Sharing IRQ 9 with 01:00.0
PCI: Sharing IRQ 9 with 02:0b.0
PCI: Sharing IRQ 9 with 02:0b.1
scsi1 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.36
<Adaptec 29160N Ultra160 SCSI adapter>
aic7892: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs

(scsi1:A:0): 160.000MB/s transfers (80.000MHz DT, offset 127, 16bit)
Vendor: QUANTUM Model: ATLAS10K2-TY184L Rev: DA40
Type: Direct-Access ANSI SCSI revision: 03
scsi1:A:0:0: Tagged Queuing enabled. Depth 253

Is hdb your CD-burner? I got this message when booting with an unburned CD in the drive, no problem if that's the case.
However, if hdb is a hard drive I suggest you reformat it. If errors still exist, throw it away!

fsck -n /dev/hda


Execute that and post what happens (assuming that drive is a hard disk). Dont worry about the drive being mounted (if it is) because the -n tells fsck not to change anything.

Thanks to both of you for the help. For some reason I was thinking my hard drive was hdb (duh). It was my CD-ROM that was causing the problem, so I just unplugged it. I still have my CD-RW, so everything's cool.