Mailbox database size before & after backup

Hi there
i recently made a similar thread and someone told me that i should do it here so here is my issue :
i've been assigned to do a specific report related to exchange and its backup 
so what we want is a report that would give us the global size of all our mailbox databases before and after the backup ( even the size of the logs before and after)
(example : we have a mailbox database X: , we need to go inside the data folder, and retrieve the size of the .edb
then do the same thing with the logs, go inside the logs folder, and retrieve the logs size )
i was wondering if anyone ever managed to pull a script that does similar things, given the fact that i ve never worked with powershell and my knowledge is kinda limited in that area
Thanks

Hi Amassuo,
for finished scripts that do things, check out the
gallery. If you want to learn powershell (I might be biased, but I highly recommend it), check out the
learning center.
Regarding your specific issue, you can check the free space on a specific disk by running this powershell command:
Get-WmiObject win32_logicaldisk -Filter "DeviceID = 'C:'" | Select -ExpandProperty FreeSpace
Comparing before/after will get you the space differential (adapt drive letter in filter as needed).
Cheers and good luck with your script,
Fred
There's no place like 127.0.0.1

Similar Messages

  • Get size of the mailbox before/after backup

    Hi there
    i've been assigned to do a specific report related to exchange and its backup 
    so what we want is a report that would give us the global size of all our databases before and after the backup ( even the size of the logs before and after)
    (example : we have a database x , inside of it we need to go inside the data folder, and retrieve the size of the .edb
    then do the same thing with the logs, go inside the logs folder, and retrieve the logs size )
    i was wondering if anyone ever managed to pull a script that does similar things, given the fact that i ve never worked with powershell and my knowledge is kinda limited in that area

    Hi,
    To get the mailbox database size, you can use the following command.
    get-mailboxdatabase -status | fl name, databasesize
    To check the transaction log size of a specific mailbox database, you need to check the following path and see there is a lot of 1MB size TEXT file like E000000000A.
    <drive>\Program Files\Microsoft\Exchange Server\V14\Mailbox\Mailbox Database
    To get the total size of transaction log files, some scripts may help you. You can ask this question in the Script forum which is staffed by more experts specializing in this kind of problem. You might get a better answer there.
    http://social.technet.microsoft.com/Forums/scriptcenter/en-US/home?category=scripting
    Best regards,
    Belinda
    Belinda Ma
    TechNet Community Support

  • What is the best practice on mailbox database size in exchange 2013

    Hi, 
    does anybody have any links to good sites that gives some pros/cons when it comes to the mailbox database sizes in exchange 2013? I've tried to google it - but hasn't found any good answers. I would like to know if I really need more than 5 mailbox databases
    or not on my exchange environment. 

    Hi
       As far as I know, 2TB is recommended maximum database size for Exchange 2013 databases.
       If you have any feedback on our support, please click
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    Terence Yu
    TechNet Community Support

  • Estimating The Database Size before build up

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  • Mailbox database Size

    Hi,
       I have DAG enabled Exchange Server 2010 installed with three mailbox databases having sizes 282GB,162GB and 129GB respectively. I have started with a total of 250GB in 2010 and now it has reached a size more than 650GB.
       It has become very difficult to take the backup of such huge database files now and restoring it in case of a DR.
       Presently I have not enabled online archiving in any of these mailboxes mainly because most of the PCs are installed with outlook 2007 which doesn't show online archive.Of course OWA is another candidate to see those mails.
       Please suggest a best practice to reduce the size of these mailbox databases without losing any of the mails.
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    As mentioned above, Exchange database files do not shrink.  
    If you do a defrag, then since you have copies of this DB in the DAG then you have to reseed.  take a look at this
    http://blogs.technet.com/b/rmilne/archive/2013/08/23/offline-defrag-and-dag-databases_2c00_-oh-my_2100_.aspx
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    Blog:
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      Facebook:
      XING:
    Note: Posts are provided “AS IS” without warranty of any kind, either expressed or implied, including but not limited to the implied warranties of merchantability and/or fitness for a particular purpose.

  • Mailbox Database Size/White Space Reduction in a DAG

    I have several large databases in which I'm moving mailboxes off of in an attempt to prevent my LUNs from running out of disk space. As well, I have several mailboxes of users who have left the company. My questions are as follows:
    1. When I run remove-mailbox -id "some mailbox" -permanent $true, the mailbox is deleted from Exchange relatively instantly. Will Exchange recoup the white space that is left behind after the mailbox has been deleted so that the
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    2. Perataining to mailboxes that have been moved, if "Keep Deleted Mailboxes for" is set to 4 days on the database that holds mailboxes that I'm moving off, will the database hold onto the mailbox (even though it has successfully been moved to
    another database) for the duration of the "Keep Deleted Mailboxes for" setting? Or will the mailbox be hard deleted after the move completes successfully?
    3. As part of Online Maintenance, will Exchange defrag a databse and decrease the white space, thereby shrinking the database size or will I have to take it offline to do that?
    4. What are the procedures to perform an Offline Defrag of an Exchange Databse? How risky is this?

    Hello,
    To answer your questions:
    1.   When and online database defrag completes a pass on the database it will reclaim this as whitespace in the database. It will not however reclaim space on the disk by shrinking the .edb file. An offline defrag is required for that.
    2.   Moved mailbox will not be hard deleted until the 4 day retention period has past, unless you manually purge them using Remove-StoreMailbox.
    3.   Related to the answer for number 1. Exchange will fill whitespace as mailboxes grow, but it will not reclaim disk space.
    4.   In a DAG you will you need to dismount the mailbox database and run eseutil /d against the active database copy. This is a relatively low risk procedure, but requires databases to be offline thus interrupting mailbox access. It can also
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    http://support.microsoft.com/kb/192185/en-us
    For these types of situations my preference (If disk space allows) is to move all mailboxes to a fresh database then delete the database with excessive white space

  • Best practice on mailbox database size & we need how many server for deployment exchange server 2013

    Dear all,
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    4 servers: Hub&CAS1 & Hub&CAS2 & Mailbox1 & Mailbox2 
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    1500 mailboxes
    10GB or 15GB mailbox quota for each user
    How many
    servers and databases  are
    required for this migration<ins cite="mailto:Mohammad%20Ashouri" datetime="2014-05-18T22:41"></ins>?
    Number of the servers:
    Number of the databases:
    Size of each database:
    Many thanks.

    You will also need to check server role requirement in exchange 2013. Please go through this link to calculate the server role requirement : http://blogs.technet.com/b/exchange/archive/2013/05/14/released-exchange-2013-server-role-requirements-calculator.aspx
    2TB is recommended maximum database size for Exchange 2013 databases.
    Here is the complete checklist to upgrade from exchange 2007 to 2013 : http://technet.microsoft.com/en-us/library/ff805032%28v=exchg.150%29.aspx
    Meanwhile, to reduce the risks and time consumed during the completion of migration process, you can have a look at this proficient application(http://www.exchangemigrationtool.com/) that would also be
    a good approach for 1500 users. It will help you to ensure the data security during the migration between exchange 2007 and 2013.

  • What is the Exchange 2010 maximum mailbox database size that is support by MS in a single DAG environment?

    My Exchange setup:
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    2 mailbox servers
    2 CAS, 2 HT
    12 mailbox databases. The total of all databases combine is about 2TB. The largest mailbox databases are 530GB, 250GB, and 196GB. Are this over the supported recommendations?
    bl

    2TB, look at the second article but best practice 200GB or less 
    http://social.technet.microsoft.com/Forums/exchange/en-US/48431bab-4049-47db-9a84-359d5123d247/what-is-the-maximum-supported-database-size-in-exchange-2010-
    http://social.technet.microsoft.com/Forums/exchange/en-US/f96892b3-8e2d-4eef-b64a-4cbc0097396d/ideal-size-for-exchange-mailbox-database

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    Hi Stuart,
    Yes I was aware of display database "app"."db"; however this will output a table rather than a specific value. And what logic can I then add to the MaxL script to assess the specific value of "Db Status" and go to the "errorhandler" label if it is empty?
    It would seem this needs to be done via a VBScript, to loop through the file rows to find the value before proceeding accordingly. But I was hoping there might be a way to do this within MaxL.

  • Mailbox database size limit

    Hello,
    is there any limit for size of mailbox database file (.edb)? I found in some articles, that limit is 2TB. What happen, if this limit is reached? 
    Thanks
    Br,
    Jan

    The maximum supported size for a database is 16 TB.  However, it's best practice to keep it around 2TB assuming your going with a DAG.  I like to start out with 1 TB, and grow it from there if i really need to.
    https://technet.microsoft.com/en-us/library/ee832792(v=exchg.150).aspx#Best
    Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread

  • Best practice for default location of mailbox database(s) / logs

    Hello,
    I don't recall seeing any options during the Exchange 2013 install, to specify an alternate location for either the mailbox database or log files. I've reviewed the commands for moving the mailbox databases, but before reviewing the options for setting a
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    Also, I'm assuming that Exchange still requires the usual backup of transaction logs, for them to be cleared?
    Many thanks.

    Hi JH,
    here is a link to storage options and requirements for the Mailbox server :
    http://technet.microsoft.com/en-us/library/ee832792(v=exchg.150).aspx
    By default when installing New Exchange server With mailbox role,it will create default database and log path.
    Recomended is to have Database and Log files on seperate disks.You will have to attache those disk first,then you can create New database using ECP.
    Please look at my Gallery With full guide on how to setup New Exchange server.
    http://gallery.technet.microsoft.com/Install-Exchange-server-b5cce9e4
    Also for future use you might need to clean up log files to free up Space on Your Exchange server:
    http://gallery.technet.microsoft.com/Task-Scheduler-to-cleanup-25047622
    Hope this helps
    Please mark as helpful if you find my contribution useful or as an answer if it does answer your question. That will encourage me - and others - to take time out to help you. Thank you! Off2work

  • Database size and backups

    I have deleted a large number of records from a database which accounted for much of the space being used as it was not needed at this time. When I take a backup of the database will the size of the db I then restore from this backup be reduced or should
    I shrink the database first. Didn't want to have to perform a shrink operation if not necessary as I've seen posts that it affects performance.
    Thanks
    Robert

    If you have deleted chunks of data and take the backup the size of the backup will be reduced. However if you want to release the unused space from the running database(with out backup and restore), you could do a shrink
    Have a look at this link
    http://dba.stackexchange.com/questions/28360/sql-server-database-size-didnt-decrease-after-deleting-large-number-of-rows
    from
    the above link
    I've blogged about this where I admonished folks to "Don't
    touch that shrink button!" but sometimes... Sometimes you need to. 
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    My Blog |
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  • Exchange 2013 Database Size didn't reduction after user move another DB.

    Hi, I have two Exchange Server Ex01, Ex02 and two database DB1 and DB2. Already we move few user DB1 to DB2 but DB1 database size didn't reduction after move user. 
    Md. Ramin Hossain

    Hi ,
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    .Then that white-space will be used when a new mailbox is created on that same database.
    In case if you wanted to convert those white space to free space then you need to do an offline defragmentaion and that will make the physical change in the size of the database
    Note : For offline defragmentation we should have the database to be in a dismounted state.
    Command for offline defragmentation : 
    eseutil /d "path of the edb file"
    But my suggestion would be to move the mailboxes to the newly created database instead of doing the offline defragmentation to attain the free space .Because it would take too much of time for the large databases to get completed.
    Reference link for offline defragmentation : 
    http://exchangeserverpro.com/defrag-exchange-2010-mailbox-database/
    Command to see the white space on the mailbox database :
    ESEUTIL /MS "path of the edb file"
    To execute the above we need the database to be in a dismounted state.
    Reference Link : 
    https://social.technet.microsoft.com/Forums/office/en-US/4059c686-7c02-483b-9b15-891ca55295fe/running-the-eseutil-command-on-each-exchange-database-to-verify-database-whitespace?forum=exchangesvrgeneral
    Please reply me if anything is unclear.
    Thanks & Regards S.Nithyanandham

  • Exchange 2010 - mailbox database in a DAG different sizes

    HI
    After a recent health check on our Exchange 2010 (SP3) environment I noticed that our mailboxes databases in the DAG, which consists of 4 Exchange Servers, had used
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    Could someone why the mounted database and the 3 healthy copies are not the same size?
    Many thanks

    Hi,
    Based on your description, the active database and passive database have different size.
    Apart from Willard Martin's suggestions, please update database copy using the following command and then check result.
    Update-MailboxDatabaseCopy -Identity DB -SourceServer activeserver
    Please make sure the passive databae copy has healthy state.
    Best regards,
    Belinda Ma
    TechNet Community Support

  • Filter Mailbox database by size in Exchange 2007

    How do I filter the mailbox database to determine mailbox size, i.e. users who are near their limit.

    Hi,
    Please try to use the cmdlet like
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    Get-Mailbox -Server EXCH01
    -retrieves a summary list of all mailboxes on the server named EXCH01.
    Get-MailboxStatistics -Database MailboxDatabase
    -retrieves the mailbox statistics for all mailboxes in the mailbox database named MailboxDatabase.
    Get-MailboxStatistics -Server EXCH01
    -retrieves the mailbox statistics for all mailboxes on the server named EXCH01
    find it here http://www.windowsadmin.info/viewtopic.php?f=20&t=116
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