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Dynamic Disk Question

Posted on 2003-02-25
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Last Modified: 2010-04-13
Hello,

We are in the process of setting up a Exchange 2000 server. We had planned
on "mirroring" for fault tolerance. However after reading the lit from MS,
they state that a PC running anything less than W2k or XP can not access
data on dynamic disks (and you must have dynamic disks if you plan on using
RAID) (Article ID 308209). So does this mean that we can not use any RAID FT
on our drives if we have work stations using NT 4.0?

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Question by:crimsyn
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MSGeek earned 200 total points
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> However after reading the lit from MS, they state that a PC running anything less than W2k or XP can not access data on dynamic disks (and you must have dynamic disks if you plan on using RAID) (Article ID 308209).

The article is referring to local access, not access across the newtwork:

"After you upgrade to a dynamic disk, local access to the dynamic disk is limited to the Windows 2000 operating system."

Also, Dynamic Disks implementation of RAID is software based.  Meaning that the RAID is built and maintained by software.  It is possible to do this with hardware, if you have the right hardware.  Implementing RAID with hardware is more fault tolerant for if the OS fails the RAID array will stay intact.  If on a Dynamic Disk RAID the OS Fails, the RAID my also fail.

> So does this mean that we can not use any RAID FT
on our drives if we have work stations using NT 4.0?

Your answer is, no.  
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by:MSGeek
ID: 8020923
Thanks, glad I could clear that up.
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