Want to win a PS4? Go Premium and enter to win our High-Tech Treats giveaway. Enter to Win

x
?
Solved

.EDB vs .STM Database sizes

Posted on 2007-11-29
2
Medium Priority
?
2,021 Views
Last Modified: 2008-02-01
We have recently made a tremendous effort to reduce file space on our server by requiring each user to clean up his or her email in hopes that it will reduce the exchange database sizes.
Although each several users have decreased their mailbox size by several gig total, the .EDB and .STM don't seem to have really decreased in size.
I have also noticed that the .STM database (22.5 Gb) is nearly as large as the .EDB database (25.3 Gb). From what I have seen on several other Exchange Servers, the .STM less than half the size of the .EDB.
Can anyone explain the difference of the databases and how to manage the sizes better?
0
Comment
Question by:z711500
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
2 Comments
 
LVL 15

Accepted Solution

by:
Dave_AND earned 1600 total points
ID: 20373711
You need to do an offline defrad to revover the space. If you delete data in the database files, they dont shrink, just have "white space" ready to be filled with new data. do do an offline defrag use the ESEUTIL command within the exchange\bin dir.

http://support.microsoft.com/kb/328804

the STM files and EDB files are usualy about the same have a look at:

http://www.messagingtalk.org/what-is-the-difference-between-a-stm-file-and-a-edb-file

http://support.microsoft.com/kb/555360
0
 
LVL 104

Assisted Solution

by:Sembee
Sembee earned 400 total points
ID: 20373931
The sizes of the files will never decrease without an offline defrag. An offline defrag is total downtime and unless you are going to gain 40% of the space back, it isn't worth the downtime for most sites.

Simon.
0

Featured Post

Concerto's Cloud Advisory Services

Want to avoid the missteps to gaining all the benefits of the cloud? Learn more about the different assessment options from our Cloud Advisory team.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

A couple of months ago we ran into an issue that necessitated re-creating our Edge Subscriptions. However, when we attempted to execute the command: New-EdgeSubscription -filename C:\NewEdgeSub_01.xml we received an error indicating that the LDAP se…
Are you looking for the options available for exporting EDB files to PST? You may be confused as they are different in different Exchange versions. Here, I will discuss some options available.
To show how to create a transport rule in Exchange 2013. We show this process by using the Exchange Admin Center. Log into Exchange Admin Center.: First we need to log into the Exchange Admin Center. Navigate to the Mail Flow >> Rules tab.:  To cr…
In this Micro Video tutorial you will learn the basics about Database Availability Groups and How to configure one using a live Exchange Server Environment. The video tutorial explains the basics of the Exchange server Database Availability grou…
Suggested Courses

598 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question