We can verify whether there is large file option enabled in that system or not . If not we can’t access/create a file which is more than 2GB.
But our system (>Sun Solaris 2.6) supports it once large files option is enabled.
Verify that using /etc/vfstab file.
In Below example there is no “largefiles” under the option tab for the file system.
Solaris/tmp>cat /etc/vfstab
#device device mount FS fsck mount mount
#to mount to fsck point type pass at boot options
/dev/md/dsk/d4 /dev/md/rdsk/d4 /ibossmedlive ufs 1 yes -
/dev/md/dsk/d5 /dev/md/rdsk/d5 /ibossmedappl ufs 1 yes -
/dev/md/dsk/d6 /dev/md/rdsk/d6 /ibossmedbackup ufs 1 yes -
Please find website which tells how to enable large file option.
http://www.sunsolarisadmin.com/general/ufs-maximum-file-size-2gb-restriction-in-sun-solaris/