Changing Open File Technologies

Discussion in 'FirstDefense-ISR Forum' started by Leapfrog Software, Feb 12, 2007.

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  1. Leapfrog Software

    Leapfrog Software Leapfrog Management

    Jan 25, 2006
    Northern Nevada, USA
    Greetings All,

    Our ISR technologies are assisted by an OFT, open file technology, driver to make perfect copies of the operating system. An OFT allows a perfect point in time snapshot of the operating system without having to close applications or users log off.

    At this point in time, Leapfrog Software offers two OFT offerings:

    Leapfrog Software RSS: Our OFT is included with our ISR technologies and provides the very minimal (lean and mean) of what is needed to make a perfect copy of the OS. It is currently the default for Windows 2000.

    Microsoft VSS: For Windows XP/2003/Vista, Microsoft has introduced their own OFT called VSS. VSS is the heavyweight of OFT’s. It provides the same raw features of our RSS, and additionally supports “requesters” and “writers”. A “requester” is an application requiring a backup of the system, in this case our ISR technology. Once a “requester” has asked for a snapshot of the OS, the VSS-aware “writers” perform application specific tasks that may purge and clean-up databases, flush buffers to disk, etc. Two examples of VSS-aware “writers” are Microsoft Exchange Server, and Microsoft SQL Server. VSS is currently the ISR default for Windows XP/2003/Vista.

    Some users have requested to switch between the two.

    Switch from VSS to RSS
    1. From a command prompt, cd \$ISR\$APP\Setup | ISRSetup -install -rss
    2. Reboot your computer

    Switch from RSS to VSS
    1. cd \$ISR\$APP\Setup | ISRSetup -install -vss
    2. Reboot your computer

    Last edited: Mar 11, 2009
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