I have five mailstores and am running low on space on mailstore one. The drive is 200GB in size and the mailstore is listed at 190GB. The actual size of the data on it is only 70GB so I need to run a defrag. To run the defrag I will run C:\program files\microsoft\exchange server\bin Eseutil /d c:\program files\exchange server\mailbox\<storage_group_name>\<database_name>.edb
My query is with the research I have done:
1) I have read though that I require 110% space for the database. Does this mean I will not have space to do a standard defrag and would need to redirect to a new drive?
2) Do I need to unmount all mailstores or just this one?