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Active Directory 2008 NTDS File Locations

Posted on 2011-03-04
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I'm planning to put a new domain in with domain controllers that only have 2 disks max (mirrored), so I can't put NTDS files on a seperate spindle for performance etc. For 600 users, what are the chances of having performance issues? Is it still worth creating a second partiion to seperate NTDS and DNS files from the OS and pagefile or is it generally fine to have everything on the same partition?
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Question by:GeorgeFromTheBank
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Mike Kline earned 500 total points
ID: 35036759
With that number of users you are right you wouldn't see a huge perf gain and the DS team blogged about that too

http://blogs.technet.com/b/askds/archive/2010/10/29/friday-mail-sack-not-particularly-terrifying-edition.aspx

See question Is there any good reason to separate the AD Logs, DB and SYSVOL onto separate drives? Performance maybe?

You don't lose anything if you create a another drive for the AD files but you are not going to get any sort of gain here.

Thanks

Mike
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by:Tasmant
ID: 35036889
You can easily setup your server with 2 disks for this amount of users.
the fact to separate sysvol on another disk is much more to avoid the journal_wrap error, but should never happen if your dc are wall monitored.
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by:GeorgeFromTheBank
ID: 35036964
wall monitored?
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by:Tasmant
ID: 35037058
well monitored sorry :p
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by:kevinhsieh
ID: 35037226
For 600 users I wouldn't even think about it. I run DCs that size in VMs. Now if you had 60,000 users, maybe.
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by:Mike Kline
ID: 35039302
I'm not following how splitting them out would avoid journal wrap?

Another thing to note is that if you are going to 2008/R2 and using DFSR journal wrap is basically a thing of the past   http://blogs.technet.com/b/askds/archive/2010/04/22/the-case-for-migrating-sysvol-to-dfsr.aspx

Thanks

Mike
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by:Lee W, MVP
ID: 35040645
Had 1000+ users and never split the location, like others, I wouldn't worry about it.
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