PRIMECLUSTER Global File Services Configuration and Administration Guide 4.2 (Solaris(TM) Operating Environment)

12.10.2 Unavailable functions

The GFS Shared File System provides none of the following functions:

• Use as a root file system, /usr, /var, /opt
• lockfs(1M)
• Setting of hard link for a directory
• open(2) from another node to a mmap(2)
• mmap(2) from another node to a writeable
• open(2) open(2) from another node to a mmap(2) file for which MAP_SHARED and PROT_WRITE are specified
• mmap(2) which specifies MAP_SHARED and PROT_WRITE from another node to a writable open(2) file
• The strict file terminal management in the case of write(2)from another node to an open(2) file for which O_APPEND was specified
• Use of IPv6
• Setting extended file attributes, which is added in Solaris 9 OE
• Mount specifying non-blocking mandatory locking option, which is added in Solaris 9 OE