RAID Hard drive not showing

Posted on 2007-07-22
Last Modified: 2010-04-19
Hello Experts, i have a application server in which i have 2 hard drives in a RAID.

The problem is that I installed the RAID drivers fine but I cannot see the second hard drive in computer management. Both hard drives are 80GB each and 1 HD is running server 2003 EE.

Is it normal that the 2nd HD is not showing? My intuition tells me it should show. I need advice on this please.

Question by:elyrodriguez
    LVL 7

    Expert Comment

    Yes, it is normal. With RAID drivers your system sees only one "array" which is constructed out of several (one or more) disks. This happens below the level of he operating system, and thus, the array is the "disk" as seen by the OS.

    Author Comment

    Ok thanks for the quick response. How do I know the second hard drive is storing information. And also, what is it storing the complete operating system or the shared folders and other services?
    LVL 7

    Expert Comment

    Both disks. The data is being written simultaneously to both disks. If one fails, your running system should not be affected.
    With the drivers there are monitoring tools which allow you to monitor the status of your raid.
    LVL 13

    Assisted Solution

    If you want to verify that RAID 1 is setup and working you will have to reboot your server.  As the system is booting through BIOS there should be an option to go into the RAID Controller Management Utility.  You will have to hit something like <Ctrl> R to get to it, watch the screen for the message to pop up and it will tell you what to keys to hit.  From there you'll be able to tell if everything is setup properly and working.  

    Author Comment

    Thank you all for the responses. I understand that by rebooting I will see if everything is working as planned, however, as many of my other servers this application server does not have a monitor. And it defeats the purpose if i need to carry my monitor and plug it in to the server everytime I want to make sure that RAID is working. ezaton hit it on the spot because I wanted to know if there are any real-time monitoring tools that will allow me to see the health of the hard drives and if they are storing data correctly.

    Another thing, lets say the active hard drive fails, the shared folders and the services will still be running correct? If so, is there a way/alert/service that will notify me by default that the hard hard has failed? Can i set it up? Will the system pop up a message?

    Any suggestions, experiences?

    Thanks all
    LVL 7

    Accepted Solution

    The system will continue running. Monitoring depends on the tools supplied with the driver, vendor, versions, etc.

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