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priv1.edb is larger than the size shows in the ESM

Network Sharing , TCP/IP, Internet, Wireless, Exchange, IIS, ISA and Print

priv1.edb is larger than the size shows in the ESM

Postby guest » Sun Oct 19, 2008 9:02 pm

You have found that the physical size of
priv1.edb and priv1.stm is larger than the size shows in the ESM. If there
has been any misunderstanding, please let me know.

Before moving on, I would like to explain that Exchange database files (EDB
and STM) will become fragmented as they are used. This arises when data is
deleted. Deleted pages are marked freed for usage during the online
maintenance of the database. However, online maintenance does not reduce
the size of the database file; any deleted pages remain inside the file and
will be used for new data. As a result, the physical database may have a
large size on the disk; but the size shows in the ESM is small.

At this point, I suggest we perform an Offline Defragmentation. Please note
this command can help release the white space of database. For your
convenience, I have included the steps below:

Run an Offline Defragmentation
=======================
1. In Exchange System Manager, right-click the information store that you
want to defragment, and then click Dismount Store.
2. Run the following command from the Cmd command prompt

Cd C:\Program Files\exchsrvr\BIN
eseutil /d <mailbox store>

Note: I assume C:\Program Files\exchsrvr is the location where Exchange
Server is installed.

3. After finishing the above command, run the following command from the
Cmd command prompt

Isinteg -s Server_name -test alltests

4. Type the number of the store (which has dismount), and click Enter.
5. After performing the above steps, please mount the store again.

Please let me know if the physical size of mailbox store is shrunk. If you
would like to know how much space can free up by running offline
defragmentation, we can use the "Eseutil /ms" command to determine the
white space in a database. For more information, please refer to the
following KB article:

Determining the True Amount of Space in an Exchange Database
http://technet.microsoft.com/en-us/libr ... 9(EXCHG.65).aspx

In addition, please also take time to perform an Exchange online backup.
For your reference, I have included the related KB article:

How to back up and restore an Exchange computer by using the Windows Backup
program
http://support.microsoft.com/kb/258243/en-us
Tablet and Smartphone Setup Guide
http://www.quicksetupguide.com

Troubleshooting Vista Wireless
http://chicagotech.net/
guest
 
Posts: 10191
Joined: Mon Nov 27, 2006 1:10 pm

Postby guest » Sun Oct 19, 2008 9:07 pm

Thanks to your description I found the issue. When I added the "deleted
mail" tab it showed me several hundred MBs and even GBs of deleted items per
user. Then I checked the retention settings of the mailbox store. It said 7
days for objects and 60 days for deleted mailboxes, which is OK. But the
"Delete mailboxes and objects after backup only" was checked and since we use
Symantec Backup Exec for Backup this obviously never gets reset. So I took
the checkmark out and now it should delete the "deleted objects". Will it
wait another 7 days? If yes, can I force it to delete now?
Tablet and Smartphone Setup Guide
http://www.quicksetupguide.com

Troubleshooting Vista Wireless
http://chicagotech.net/
guest
 
Posts: 10191
Joined: Mon Nov 27, 2006 1:10 pm


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