Re: Max size for a datafile

In article <1103_995853388_at_f3bpc14>, schabernackel_at_hotmail.com says...
>
>Isn't this more a matter of the nature of the file system
>rather than the number of bits used to do ints and address
>memory in the CPU?

Yes and no. The device drivers that control access to the logical volumes are compiled programs as well. If they're compiled using 32 bit libraries, they'll have a two gig file size limit regardless of what the operating system supports. On the other hand, if you try to use a 64 bit compiled program on a 32 bit operating system, regardless of its purpose, you'll get a core dump. You can have a 32bit based filesystem on a 64 bit OS which would still leave you with the 2-gig limit - I don't know why you'd want to do that, however.

Both HPUX and Solaris had 32bit-64bit munges for their OSs that allowed more than 2 gig files on what, for the most part, was a 32 bit OS; however, those were basically kludges.

Doug

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Douglas K. O'Leary
Senior System Administrator
dkoleary_at_mediaone.net