Description of problem:

While using a BlotDB in CNS-3.4+, the following has been observed that when the db file has been mounted on GlusterFS. 
 


Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
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Actual results:
open() with O_RDWR on a RO-filesystem returns 0 with NO ERROR. 
open() with O_RDWR on a RO file returns -1 with error == EACCESS


Expected results:
open() with O_RDWR on a RO-filesystem returns -1 with errno == EROFS
open() with O_RDWR on a RO file returns -1 with error == EACCESS


Additional info: