What is Exchange DB whitespace?
White space is the database storage area that has become available for storing new data because of the deletion of existing data. Exchange, instead of reducing the database size, makes this space available for the addition of new mailboxes. This reclaimed storage area is known as White space.
How do I reclaim a whitespace in Exchange 2013?
- Information. To clear white space, we recommend you to follow these steps:
- Check white space Exchange database. Read more in the article Get mailbox database size and whitespace.
- Create a new mailbox database.
- Move all mailboxes from one database to another.
- Delete old mailbox database.
How do I see whitespace in exchange?
How to Find White Space in Exchange?
- To check white spaces on a mailbox database, use: Get-MailboxDatabase < DB Name > -status | Select-Object Server,Name,AvailableNewMailboxSpace.
- To check white spaces on all mailbox database on a server, use:
- To check white spaces on all mailbox database on all server, use:.
How do I determine the size of my Exchange database?
Get Mailbox Database Size using Exchange PowerShell Run Get-MailboxDatabase command which will bring two properties, namely: Database size and AvailableNewMailboxSpace. Make use of “Status” parameter in the above command so that the values could be fetched.
How do I reduce the size of my Exchange 2013 database?
To reduce Exchange database size, you have many options—delete unwanted data, perform defragmentation, move data to a new database, delete unused data after creating a backup, etc.
How do I clean up my Exchange 2013 database?
STEPS TO PERFORM OFFLINE DEFRAG OF EXCHANGE 2013 DATABASE Run the command Dismount-Database, provide database name as identity and then confirm by entering ‘Y. ‘ Now, navigate to your database by running the command cd and providing the EDB file path. Run the given Eseutil /d command to defrag the dismounted database.
How do I make my Exchange database smaller?
Is it safe to delete Exchange database log files?
You can safely delete these logs. In fact, I recommend you to delete them. Logs are great when you need more information and want to have a look into it when you are having issues. Exchange Servers are filling up easily with all these logs.
How do I increase the database size limit in Exchange 2010?
The default database size limit for Exchange 2010 Service Pack 1 Standard edition is 1024 GB. If a mailbox database grows beyond this limit, the database automatically dismounts. You can modify the size limit of a database on the standard edition of Exchange 2010 by editing the registry.
How to reclaim white space in exchange 2010 Mailbox?
In this article we will see how to reclaim white space in Exchange 2010 mailbox database. To reclaim the white space of mailbox database, you have to defrag the database. Before you begin you must note that the defrag process will create a temporary mailbox database approximately equal to the actual size of mailbox database.
What is database scanning in exchange 2010?
In Exchange 2010, database scanning checksums the database and performs post Exchange 2010 Store crash operations. Space can be leaked due to crashes, and online database scanning finds and recovers lost space. Database checksum reads approximately 5 MB per second for each actively scanning database (both active and passive copies) using 256KB IOs.
Should database maintenance tasks be performed during runtime in exchange 2010?
Due to the aforementioned issues, it was critical in Exchange 2010 that the database maintenance tasks be moved out of a scheduled process and be performed during runtime continuously in the background. Won’t these background tasks impact my end users?
How can I improve the performance of my Exchange 2010 database?
For more information on this subject see Jetstress 2010 and Background Database Maintenance. Use different storage or improve the capabilities of the storage Choose storage which is capable of meeting Exchange best practices (256KB+ stripe size).