hard drive detection

[Steve Buehler]

Ok.  Here is a real simple if not stupid question.  I have some hard drives 
in a machine and here is the layout:
/dev/sda2              35G  304M   32G   1% /
/dev/sdb1             113G   96G   12G  90% /Friday
/dev/hda2             112G  2.4G  104G   3% /Monday
/dev/sda1             113G   70G   38G  66% /Thursday
/dev/hdb2             111G   96G  9.4G  92% /Tuesday
/dev/hdc1             113G   96G   12G  90% /Wednesday
/dev/hda1            1004M   22M  931M   3% /boot

No I know I don't have 7 hard drives in the machine.  /dev/hda2 is having 
some problems and needs to be replaced.  Is it a different partition on 
/dev/hda1, /dev/hdb2 or neither?

Thanks
Steve