Advancing the os (solaris,sparc) clock with 10.2.0.2

Hello,
What would be the ramifications if we advance the system oclock on solaris os with 10.2.0.2? Do some testing on the database and then set back the time to current time. Are there any gotcha when the time is set back to the current time? What about the backup with rman, maybe the scn might be screw up? Thank you.

If you advance the time forward, and then back it up again, from the database's point of view, some times will occur twice. That is, a given time may map to two different SCNs.
This is not necessarily a problem, in and of itself. But, if you suffer a failure, and you need to do a recovery, and the recovery is to a point in time, and that point in time that you're recovering to is in the timeframe that was duplicated, and the time that you want to recover to is the second occurrence of that time, then you can't do an 'until time' recovery. You'll have to translate that to an appropriate SCN and do an 'until scn' recovery.
So, unless you're very, very unlucky, there should not be a problem.
Hope that helps,
-Mark

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    Help me out to know from where i can get software of OBIIEE(Siebel) for installation on Sun Solaris sparc 64 bit.? Its's urgent
    reards
    Prashant

    Such specific software is not available on OTN, you have to contact an Oracle sales representative.
    Werner

  • Do I have to use an external clock with a cDAQ-9188 and NI 9401 to read a linear encoder? I'm seeing error message that implies that but the example code doesn't show it.

    We can set up a task that works on demand but when we go to continuous sampleing we see Error -200303, which claims an external sample clock source must be specified for this application.  However, some of the NI linear encoder example code doesn't show that (uses the cDAQ 80 Mhz clock) and the documentation didn't mention that. 

    It's mentioned in the 918x user manual:
    Unlike analog input, analog output, digital input, and digital output, the cDAQ chassis counters do not have the ability to divide down a timebase to produce an internal counter sample clock.  For sample clocked operations, an external signal must be provided to supply a clock source.  The source can be any of the following signals:
    AI Sample Clock
    AI Start Trigger
    AI Reference Trigger
    AO Sample Clock
    DI Sample Clock
    DI Start Trigger
    DO Sample Clock
    CTR n Internal Output
    Freq Out
    PFI
    Change Detection Event
    Analog Comparison Event
    Assuming you have at least one available counter (there are 4 on the backplane), I would suggest to configure a continuous counter output task and use its internal output as the sample clock.  Specify the internal counter using an "_" for example "cDAQ1/_ctr0".  The terminal to use for the sample clock source would be for example "/cDAQ1/Ctr0InternalOutput".
    Which example uses the 80 MHz timebase as a sample clock?  It is far too fast for a sample clock on the 9188 according to the throughput benchmarks (80 MHz * 4 byte samples = 320 MB/s).  There is also no direct route between the 80 MHz timebase and the sample clock terminal for the counters--making this route would use a second counter anyway.
    Best Regards,
    John Passiak

  • Installing Webcenter Interaction 10g in Solaris SPARC 32 ????

    Hi everyone:
    Im trying to install Webcenter Interaction 10g on solaris SPARC 32 bits but looking for the installation package in OTN http://edelivery.oracle.com/EPD/Search/get_form?results=1 It seems not supported for this plataform ... i'm right ??
    Only a version for aqualogic Interaction but I think that's not works for my development.
    I try to install a linux version and everything seems to went fine but when I try to run the config manager the shell programing detects the plataform with the command uname -s then the process "thinks" that it is on SunOS with 64 bits of course, and it can't go on.
    I appreciate any help from you.
    And lots of thanks in advance.
    Edited by: user11959610 on 19/02/2010 02:11 PM

    On Sun Sparc processor, WCI requires 64-bit OS (32-bit is not supported for Sparc):
    http://www.oracle.com/technology/products/webcenter/files/webcenter_interaction_10gr3_certification_matrix.xls

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