Sparse files & Oracle

Hi Oracle Gurus,

Has anyone experienced / seen situations where recovery of backed up data produced "sparse" database files which then caused serious problems?

(A sparse file is a file where any "empty" O/S blocks do not actually take up a full block but have a marker to show the block is empty)

I would like to know if this is a potential problem with backup and recovery on these unix variants:
AIX 3.2.5, AIX 4.1
HP-UX 9, HP-UX 10
Solaris 2.4
DG/UX

Your advise would be very much appreciated Thanks

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   Alex Natautama                                     Oooo.              
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