>>Is there some tools to make sure that
>>your DBF, DBC or CDX files will remain correct
>>after power supply crashing?
>>Sometimes it's brokes and we get message: "index don't match database. recreate index".
>
>
>There is no totally reliable way. However, you can take some safety measures:
>
>1) Put the server on a battery backup.
>2) Compaq makes servers with dual power supplies. If one fails, the other takes over automatically.

Highly recommend battery UPS for servers ALWAYS with unattended shut down software and sometimes battery UPS for workstations. But battery is no good of PC power supply goes out.