Which Raid drive is bad

I have a two drive raid system that i purchased. Upon boot up i get the following message "Hard Disk SMART Status Bad" on your Secondary Slave Drive. I have unplugged each of them one at a time to try to determine which drive is bad. But both boot up the same with the same message. How can i determine which is bad and can i determine what Vista Home Premium thinks is bad about it sense it both of them do boot and run independent of each other.
I also for a while received the attached every 15 minutes or so. I always hit tell me later but the messages stopped on their own.
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kagofficeAsked:
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arnoldConnect With a Mentor Commented:
This is not a suitable drive for RAID the drive is not really bad, but the controller does not receive a response in time and designates it as bad.
Does your RAID enclosure come with a utility that you can view the logs as to the issue?

http://www.seagate.com/docs/pdf/datasheet/disc/ds_nl35series.pdf are more of the type.
Get the seagate tools to test the drive and see whether it is a true fault or whether this is as I described the "RAID" mechanism deems the drive as possibly failing.
http://www.seagate.com/ww/v/index.jsp?locale=en-US&name=SeaTools&vgnextoid=720bd20cacdec010VgnVCM100000dd04090aRCRD
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uescompCommented:
You could physically check the drives and look at the ST31000528AS, if both are exactly identical you just do what it says, you have a master and a slave, it reports the slave is bad so try replacing the slave.  You have 2 drives so im assuming its a mirror.  Another thing you could try is crystal disk, Crystal disk software checks the smart board status and reports back any issues.

Crystal disk can be found here:  http://crystalmark.info/software/CrystalDiskInfo/index-e.html
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kagofficeAuthor Commented:
i am happy to replace the slave drive. But how do i determine which is the slave drive?
Yes they are a  mirror.
Would the program you recommend be something i would be able to understand what it told me?
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BrianCommented:
If you have a master/slave setup, then you should be able to check the jumpers on the back of the hard drives. Usually there is a label on the drive or near the jumper pins as to which pin setup is which.
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kagofficeAuthor Commented:
I ran the seagate seatools SMART test and the result is attached.
It would appear one drive is about to fail.
So am i to look for pin placement or how shall i determine which is the bad drive?
As above unplugging one then the other i get the same start up message.
I could unplug one go to full boot, and then rerun this program is that the easiest way?
smart-test-fail.jpg
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BrianCommented:
Given this report. Go off of the serial number on the hard drive.
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arnoldConnect With a Mentor Commented:
Serial number is the identifier.

You can within diskmgmt.msc check which drive has that serial number and depending how your system is setup i.e. are you using AHCI such that you can have hot-swap for SATA drives?
Once you know which drive it is, you can eject it.
Then you can run defrag analyze on the remaining one, which will be flickering while the other will not see any activity.

Record the serial that is from the bad drive.
safest way is power off the system. locate the drive that has the serial that you copied and disconnect it.
If there are tools for the enclosure, they may have an option to identify the bad drive.  But this is information you did not include.
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uescompCommented:
Check your Raid tools or the BIOS to find the master and slave then reference the motherboard on where the drives are plugged in.  In most cases sata 0 is the primary and sata 1 is the slave, you should be able to see this in the BIOS.
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kagofficeAuthor Commented:
clearly the best help was to use the Seagate  Seatools it made the rest of the process very easy for a non techie like me.
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