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RAID with automatuc failover for XP

Posted on 2006-11-07
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Last Modified: 2010-04-03
Hi,
  I would like to configure an XP PC with two mirrored hard drives to automatically failover from one drive to the other without rebooting should the first drive fail.  How can I do this?  Thank you.
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Question by:amberfinch
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by:darrenakin
ID: 17891860
We will need more info, what is your current RAID config, what does the mobo support? Do you have SCSI drives? SATA? IDE? Please provide hardware info. Also take a look at this http://www.newegg.com/Product/Product.asp?Item=N82E16816102036
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by:amberfinch
ID: 17892204
Sorry, I was a little hasty in my first message.  The system is 3GHz with 1Gig RAM.  Our two SATA drives are not mirrored yet; we *want* to mirror them.  We have no current RAID capability.  The motherboard only has two PCI slots, both of which are being used but I think we could remove one of those existing cards if we had to; so, software RAID would be preferable for us.  Our biggest concern, however, is that an automatic failover (no re-booting) capabilty exists.  We need this because the PC will be receiving and processing data from a scientific instrument for long stretches at a time.  The instrument will continue to send data even if the primary drive dies; if the second drive does not immediately take over, data will be lost.
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darrenakin earned 125 total points
ID: 17893113
No problem on the first message, I do it all the time. As for the RAID config, most newer boards actually support RAID, heres the deal though. If you mirror the drives and have a harddrive failure the system will not reboot, most of the software that comes with the MOBOs will alert you that you have a failed drive and then prompt you for a course of action, you can however choose at the time to do nothing. When you have the new drive you will need to replace it, in that case you will want to get some hardware like this http://www.newegg.com/Product/Product.asp?Item=N82E16816102025 this is hot swappable and a great solution.

As for the RAID controller if your board does not support SATA RAID http://www.newegg.com/Product/Product.asp?Item=N82E16816102080
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by:amberfinch
ID: 17899212
If we are prompted for a course of action, is there be an option whereby we can specify that we want to use the mirrored drive every time?  This would be very useful, since if the hard drive fails in the middle of the night there will be no one there to indicate what to do.
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by:darrenakin
ID: 17899235
It will automatically use the other drive and you will be notified of course of action you need to take
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