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how to calculate the exchange 2003 sp2 , mailbox store size RRS feed

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    how to calculate the exchange 2003 sp2 , mailbox store size
    Monday, February 20, 2012 7:49 AM

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    Hi

    Yes that includes deleted mailboxes.  If you delete mail or mailboxes the database size will not decrease but you will create "white space" for new data to be written to.  The database file will increase in size when there is no more white space to hold new data.  You can reclaim the white space by running an offline defragmentation of the database but this is not recommended is normal situations.

    The daily maintenance (online defrag) generates event ID 1221 which will tell you how much white space is available in each database.

    Cheers, Steve

    • Marked as answer by Gavin-Zhang Tuesday, February 21, 2012 10:04 AM
    Monday, February 20, 2012 10:42 AM
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    The white space is inside the database so if you have a 64GB database and you delete 4GB of email, once that email is out of the retention period you will have 4GB of white space available.  Your total database size on disk will still be 64GB though.  If you write 6GB of data to the database now the 4GB of space will be used up and the total database size on disk will be 66GB.
    Monday, February 20, 2012 11:02 AM

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    Below link might be helpful

    http://technet.microsoft.com/en-us/library/bb738147.aspx

    http://social.technet.microsoft.com/Forums/eu/exchangesvradmin/thread/14c0ea85-5462-4a24-b41e-d8ab10c3487d

    Regards,

    _Prashant_

    MCSA|MCITP SA|Microsoft Exchange 2003 Blog - http://prashant1987.wordpress.com

    Monday, February 20, 2012 9:09 AM
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    Refer the below site. It may help you in resolving your problem.

    http://blogs.technet.com/b/exchange/archive/2005/09/14/410821.aspx

    http://technet.microsoft.com/en-us/library/aa998066(v=exchg.65).aspx

    The size of the databases are as follows:
    Mailbox store=PRIV1.EDB+PRIV1.STM
    Public Folder store=PUB1.EDB+PUB1.STM

    Girishp

    Monday, February 20, 2012 9:38 AM
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    edb+stm=64GB

    is it included the deleted mailboxes?

    can you explain how the data is storing in database. If i delete any mailbox, what will happened to size??

    can you pls give more explanation????

    Monday, February 20, 2012 10:25 AM
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    Hi

    Yes that includes deleted mailboxes.  If you delete mail or mailboxes the database size will not decrease but you will create "white space" for new data to be written to.  The database file will increase in size when there is no more white space to hold new data.  You can reclaim the white space by running an offline defragmentation of the database but this is not recommended is normal situations.

    The daily maintenance (online defrag) generates event ID 1221 which will tell you how much white space is available in each database.

    Cheers, Steve

    • Marked as answer by Gavin-Zhang Tuesday, February 21, 2012 10:04 AM
    Monday, February 20, 2012 10:42 AM
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    you are telling that when i delete any mailbox, the "white space" will increase automatically????

    And if i create any new mailbox, it is using the space of 'white space"  ????

    If the white space is finished, it will take the space from physical database???

     

    Monday, February 20, 2012 10:52 AM
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    The white space is inside the database so if you have a 64GB database and you delete 4GB of email, once that email is out of the retention period you will have 4GB of white space available.  Your total database size on disk will still be 64GB though.  If you write 6GB of data to the database now the 4GB of space will be used up and the total database size on disk will be 66GB.
    Monday, February 20, 2012 11:02 AM
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    thank u
    Monday, February 20, 2012 11:04 AM