Creating a 1tb mirror ...

Posted on 2009-07-09
Medium Priority
Last Modified: 2012-05-07
I am creating a 1tb mirror set with 2 1tb hard drives (SATA) with in a MS Home Server OS.  I went to Manage, Disk Management, selected the drives & changed them to dynamic, then created the mirror. Problem is that the mirror is resynching at an incredibly slow rate - 2 days we are at 35%.  Nothing else running - just resynching.  Is this normal ?  Or am I doing this wrong?
Question by:ftv34p4s
LVL 88

Accepted Solution

rindi earned 500 total points
ID: 24820989
I'd stop this, break the mirror, remove any partitions on the disks, get a raid controller (many mainboards from the last 2 years already have a built-in simple raid controller, so check your manual first), then setup the array that way and install the raid controller's drivers into your OS. After that restore the data from your backup. Using dynamic disks and m$'s pure software raid is slower than any raid controller, even if the controller is a fake-raid controller and cheap. It's also not advisable to use dynamic disks because that is an m$ proprietary thing and most 3rd party tools don't know this standard and then can't see the disks. That makes live harder than necessary. Of course synching 1 TB will also take long with a raid controller, but you far better off using one.

Author Closing Comment

ID: 31601589
Youir are right the MS Mirroring is NOT the way to go.  But, I have tried several RAID controllers and Win Home Server will NOT recognize them or install drivers.  So, I hace MS Tech support assisting and (hopefully) will get a resolution soon.  But, your comments were spot on...

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