rgmanager reports error message "isAlive failed write test" on a Vormetric guarded mountpoint.

Issue

• A cluster service was failing due to write failures on a vormetric guarded mountpoint.

• The following error was reported

Aug 13 08:26:05 myserver rgmanager[39097]: Service service:myDBservice started
Aug 13 08:26:07 myserver rgmanager[3119]: [fs] fs:my_fs_01: is_alive: failed write test on [/my/fs/01]. Return code: 0
Aug 13 08:26:07 myserver rgmanager[3203]: [fs] fs:my_fs_01: Mount point is not accessible!
Aug 13 08:26:07 myserver rgmanager[39097]: status on fs "my_fs_01" returned 1 (generic error)