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Replacing old Mirrored Drive

J

jardows

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After 7 years of use, it appears that one of my mirrored hard drives in my home server has failed. Thankfully, the second drive is working fine, so no data loss, and I have backups. The mirror was created using Windows software RAID. I want to rebuild the mirror, but was a little uncertain about buying a replacement for the failed drive.

The current drives I have are WD RE4 1TB, model WD1003FBYX. This is no longer a current model by Western Digital. While I can purchase them, it is old stock from 3rd party retailers, so the warranty situation is suspect. Plus what I can find, they are often more expensive than the current "Gold" model.

The current 1TB "Gold" model WD1005FBYZ actually sells on NewEgg for $10.00 less than the the 3rd party seller on NE for the old RE4.

My main question is, will I run into any problems in a Windows software mirror with the different model for rebuilding the array? I know ideally, I would replace both drives due to age, but right now that is an expense I am hoping to avoid.
 
will I run into any problems in a Windows software mirror with the different model for rebuilding the array?
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I don't believe you will have any issue with that.
 
Not sure how windows works for RAID but theoretically you should just replace the drive that has failed and go into the windows RAID setup and rebuild the array.
 
The only issue you could possible have is if the replacement drive is not the same size or larger. I have seen situations where, when dissimilar drives have been used as replacement mirrors that the new drive was 1 megabyte or less smaller than the existing drive and the controller refused to sync it. Controllers like Areca have a setting called Drive Truncation that can deal with issues such as this.
 
as long as the LBA size is same or larger you be fine (i think all enterprise HDDs have the LBA size on the disk label, but even if it is not you should be able to look up the tech sheet for the drives)
 
I might have some of that 1TB model new, in sealed as bag....but its at work and i cant go onsite yet
 
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