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How to avoid power failures?

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The Question is:

How can potential loss of updates to user file global sections on power failure
be prevented? Is it true that a feature exists that flushes such updates to disk
using an internal battery backup? If so, is this feature standard or an option?
How can it be  enabled?

The Answer is :

  Consider acquiring an uninterruptable power supply (UPS).  Use the
  UPS to power the system, the storage enclosures, and the other critical
  system components.  Options include sufficient capability to ride-over
  the power outtage, long enough to ride-over until a generator can come
  on-line, or long enough to permit an orderly system shutdown.
  Certain VAX and Alpha systems (and certain StorageWorks shelves) do offer
  an optional integrated battery backup.  (Without specifics of the local
  system configuration, it is impossible to say if your particular system
  offers this option.)

answer written or last revised on ( 27-MAR-2000 )

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