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Running Windows Server 2003 under Exchange 2007 on an HP ProLiant ML110. I am utilizing RAID 1. I would like to add another hard drive, break the mirror, and separate the transaction logs from the system drive. It has come to my attention that the disc mirror is causing the hard drive to actually work harder with more read operations and breaking that mirror will actually improve performance and reduce paging. Currently paging at 2GBs. Also planning a 2GB memory upgrade. 
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Running Windows Server 2003 under Exchange 2007 on an HP ProLiant ML110. I am utilizing RAID 1. I would like to add another hard drive, break the mirror, and separate the transaction logs from the system drive. It has come to my attention that the disc mirror is causing the hard drive to actually work harder with more read operations and breaking that mirror will actually improve performance and reduce paging. Currently paging at 2GBs. Also planning a 2GB memory upgrade. 

Segregate transaction logs from system drive in Server 2003. Also, break the mirror.

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

The Microsoft Legacy Operating System topic includes legacy versions of Microsoft operating systems prior to Windows 2000: All versions of MS-DOS and other versions developed for specific manufacturers and Windows 3/3.1, Windows 95 and Windows 98, plus any other Windows-related versions, and Windows Mobile.