Discussion , one comment may have some interesting links:
Exchange supports a variety of backup options, including, online full, differential incremental, and cumulative incremental – each applicable to the entire Exchange database – and an optional, but highly recommended, mechanism for backing up and recovering individual mailboxes. Knowing when to deploy the various backup options is important.
Microsoft Exchange Server offers three categories of protection for user data and system files:
Application Protection - Providing backup and recovery of the Exchange application files, clustering support, and disaster recovery procedures.
Database Protection - The backup and recovery procedures for database volumes within Exchange storage groups and databases.
Mailbox-level Protection - The ability to safeguard individual mailbox data, including both mail messages and attachments, for quick restore with minimal impact on the system or network.
Please refer these for a perfect backup planing and practise; (Don't miss any of these)
Microsoft Exchange Server offers three categories of protection for user data and system files:
Application Protection - Providing backup and recovery of the Exchange application files, clustering support, and disaster recovery procedures.
Database Protection - The backup and recovery procedures for database volumes within Exchange storage groups and databases.
Mailbox-level Protection - The ability to safeguard individual mailbox data, including both mail messages and attachments, for quick restore with minimal impact on the system or network.
Please refer these for a perfect backup planing and practise; (Don't miss any of these)
- http://www.veritas.com/van/articles/3282.jsp
- http://www.windowsitpro.com/Articles/Index.cfm?ArticleID=8311
- http://www.microsoft.com/technet/prodtechnol/exchange/guides/PFBestPrac/2c7ce510-1b88-4f2c-a85d-797d699c438f.mspx?mfr=true
- http://www.msexchange.org/articles/Understanding-Exchange-Information-Store.html
- http://gsexdev.blogspot.com/2004/12/finding-when-exchange-store-last.html
Also another comment:
How to remove Exchange Server transaction log files
http://support.microsoft.com/kb/240145/en-us
If you really just want to backup one log file then
you might just as well turn on circular logging.
How circular logging affects the use of transaction logs
http://support.microsoft.com/kb/147524/
How to modify the circular logging setting
http://support.microsoft.com/kb/258470/
Before a full backup is made...
All uncommited log files are commited to the message store and deleted.
Brick level backups are not considered as full backups ... hence the log files.
You might want to consider this stratedgy...
Brick backup on Friday night
Full backup on saturday (could be any other day you like doing full backups)
and differential backup monday through friday.
To restore one mailbox, restore from brick backup
To restore any other day, fulll backup + differential backup
http://support.microsoft.com/kb/240145/en-us
If you really just want to backup one log file then
you might just as well turn on circular logging.
How circular logging affects the use of transaction logs
http://support.microsoft.com/kb/147524/
How to modify the circular logging setting
http://support.microsoft.com/kb/258470/
Before a full backup is made...
All uncommited log files are commited to the message store and deleted.
Brick level backups are not considered as full backups ... hence the log files.
You might want to consider this stratedgy...
Brick backup on Friday night
Full backup on saturday (could be any other day you like doing full backups)
and differential backup monday through friday.
To restore one mailbox, restore from brick backup
To restore any other day, fulll backup + differential backup
