troubleshooting Question

Will it work to replace 1.5TB disk with 2TB disk in Intel RAID 1 Array?

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Member_2_79173 asked on
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I have a Dell XPS 8100 machine running Windows 7. I purchased it with a RAID 1 configuration. The RAID controller is the Intel Rapid Storage Technology controller. Size of the array is 1.5TB. It has two Seagate st31500341as 1.5 TB SATA drives.

Today I saw a message that one of the drives has failed. As recommended by the help section of the controller I clicked on the failed drive and selected "set to normal". It is rebuilding the array now and is at 9% complete. I think it will not say if it was successful until it gets to 100% but regardless of that I want to purchase a spare drive to replace the one that failed. On Amazon a 1.5TB drive is $93 with free shipping from Databug but I don't know how long that will take to get to me. If I change it to 2TB I can get that with the standard 2-day Prime shipping and get it Wednesday or pay $3.99 to get it Tuesday. The 2TB drive will be fulfilled by Amazon and trackable.

My question is, if I replace the failed 1.5TB drive with a 2TB version of that drive will the Intel Rapid Storage Technology controller be ok with that? I know that the array will still only be 1.5TB but I want to get the replacement drive as fast as possible. I know that you can mix sizes for RAID 5 and the resultant array is determined by the size of the smallest drive so I think this should work but just wanted to check.
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David
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