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Microsoft Exchange and the SAN

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Last Modified: 2012-05-10
Hi,

1) I am still confused related to the RELATIONSHIP between the Microsoft Exchange and the SAN (Storage Area Network) in the Production environment.

2) When i installed the Microsoft Exchange; the default locations are as the followings:
-for Exchange server's database: C:\Program Files\ExchSrvr
-When Creating the Storage Group:
  * For Transaction Log Location: C:\Program Files\ExchSrvr\Storage Group 1
  * For System Path Location: C:\Program Files\ExchSrvr\Storage Group 1
  * Log File Prefix: E01
-When Creating the Mailbox (say it for a user called "mbrown")
  * For Exchange Database: C:\Program Files\ExchSrvr\Storage Group 1\mbrown.edb
  * For Exchange Streaming Database: C:\Program Files\ExchSrvr\Storage Group 1\mbrown.st

3) I believe that i can CHANGE the PATH of the Exchange Database (during the Installation); say it, from "the default one" (C:\Program Files\ExchSrvr) to a DRIVE at the SAN (Storage Area Network) which is called " M: drive "; so all the above PATHS will be changed to :
-for Exchange server's database: M:\Exchsrvr
-For Transaction Log Location: M:\ExchSrvr\Storage Group 1
-For System Path Location: M:\ExchSrvr\Storage Group 1
-Log File Prefix: E01
-For Exchange Database: M:\ExchSrvr\Storage Group 1\mbrown.edb
-For Exchange Streaming Database: M:\ExchSrvr\Storage Group 1\mbrown.st
-Etc

4) My questions: i) Is my understanding CORRECT or WRONG? (Could we install the Exchange Database at the SAN or SHOULD be on the EXCHANGE SERVER itself?), ii) If the answer of #1 is CORRECT; my understanding of the CHANGE of the PATHS are also CORRECT?

5) Thank you

tjie

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Commented:
rr1968,

1) ****My recommendation would be to seperate the database and log location to avoid disk contention.
Say Database location is M drive and log files are on N drive (SAN)****

- Would you please SPECIFY clearly which ones (at my "sample" above) are the "DATABASE files" and the "LOG files" which i should put at M drive and N drive?

2) Thank you

tjie
These are logs:
-When Creating the Storage Group: This could be N drive)
  * For Transaction Log Location: N:\Program Files\ExchSrvr\Storage Group 1
  * For System Path Location: N:\Program Files\ExchSrvr\Storage Group 1
  * Log File Prefix: E01

This is database: (this could be on M drive)
-When Creating the Mailbox (say it for a user called "mbrown")
  * For Exchange Database: M:\Program Files\ExchSrvr\Storage Group 1\mbrown.edb
  * For Exchange Streaming Database: M:\Program Files\ExchSrvr\Storage Group 1\mbrown.st

BTW, you can build a drive big enough to hold your databases and log files will be 30% of database drive

Say if M drive is 100GB, have N drive at least 30GB (just in case if logs are not purged during backups)



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