Ok I tried the sysopen call and it got the same error. I even tried explicitly using the O_LARGEFILE option like... 

sysopen(MAINFEED,  $main_file,  O_RDONLY | O_LARGEFILE)  or die "Canno
+t open main feed file $main_file";

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As for the file system, it is vxfs but it looks like largefile support is enabled... 

grep AR2 mnttab
/dev/vx/dsk/optdg/AR2   /AR2    vxfs    rw,suid,delaylog,largefiles,io
+error=mwdisable,dev=449c138       1200983054

grep AR2 vfstab
/dev/vx/dsk/optdg/AR2   /dev/vx/rdsk/optdg/AR2  /AR2    vxfs    1     
+  yes     -

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Any other ideas? Thanks for the suggestions so far.

In reply to Re: Problem opening large file by jrich
in thread Problem opening large file by jrich

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