[ExchangeList] Re: NTFS ( 16 Exabyte's )

  • From: "Eric Daly [PFH Technology Group]" <EDaly@xxxxxx>
  • To: <exchangelist@xxxxxxxxxxxxx>
  • Date: Thu, 29 Jun 2006 08:20:00 +0100

Very odd. I do know that the maximum size for FAT32 is 2TB?? Was this
selected at any stage as the filesystem type ? (and then upgraded to



From: exchangelist-bounce@xxxxxxxxxxxxx
[mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Jose Medeiros
Sent: 29 June 2006 06:11
To: exchangelist@xxxxxxxxxxxxx
Subject: [ExchangeList] NTFS ( 16 Exabyte's )



From: Medeiros, Jose 
Sent: Wednesday, June 28, 2006 7:22 PM
To: ActiveDir@xxxxxxxxxxxxxxxxxx <mailto:ActiveDir@xxxxxxxxxxxxxxxxxx> 
Subject: NTFS ( 16 Exabyte's )




Quick question. I just finished building two new 2003 servers running
Microsoft Clustering services and presented two 2047 Gigabyte LUNS to
each cluster node. However the OS is only seeing 1.99 Terabytes (Please
see my screen capture). I specifically recall from my Microsoft NT 3.51
server class taught by Michael Van Dercreek at Technology Education
Centers back in 1996 using official MOC, that NTFS is a 64 bit file
system ( 2 to the 64th power  = 16 Exabytes ). 16 Exabyte's is the
largest partition available on NT 3.51, however I do not seem to recall
if this has been changed in 2003, since I have only taken a course on
Active Directory 2003, Exchange 2003, SQL 2005 and ISA 2004. 


So why I am only seeing 1.99 TB on a 2.47 TB LUN? Is any one else
running a larger LUN size using NTFS? Any issues or corruption of the
MFT that I should know about?


My apologies in advance for the newbie question ( I really should know
this answer ).


Jose Medeiros
Storage Area Network Systems Engineer
MCP+I, MCSE, NT4 MCT 408-765-0437  Direct, 408-449-6621 Cell

"Anyone who has never made a mistake has never tried anything new."
Albert Einstein 



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