HP CIFS File Locking Interoperation

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8.5 Locking Summary Table
Mandatory Share Mode (Open Mode) CIFS/9000 Net Apps EMC Auspex
Veritas
Lock Windows Yes Yes Yes Yes Yes
Lock UNIX – no advisory locking P/E N/A N/A N/A No
Lock UNIX – advisory locking Yes (0901) N/A N/A N/A No
Lock UNIX/NFS – no advisory locking P/E
14
Yes
14
U
14
No No
Lock UNIX/NFS – advisory locking Yes (0901) Yes Yes No No
Lock PC-NFS Yes (0901) Yes U No No
Byte Range Locking
Lock Windows Yes Yes Yes Yes Yes
Lock UNIX – no advisory locking P/E N/A N/A N/A No
Lock UNIX – advisory locking Yes N/A N/A N/A Yes
Lock UNIX/NFS – no advisory locking P/E
14
Yes
14
U
14
No No
Lock UNIX/NFS – advisory locking Yes Yes Yes Yes Yes
Lock PC-NFS Yes Yes U No Yes
Oplocks
Break Oplock for Windows access Yes Yes Yes Yes Yes
Break Oplock for UNIX access – no
advisory
P/E N/A N/A N/A No
Break Oplock for UNIX access - advisory P/E N/A N/A N/A No
Break Oplock for UNIX/NFS – no advisory P/E Yes U No No
Break Oplock for UNIX/NFS – advisory P/E Yes U No No
Break Oplock for PC-NFS P/E Yes U No No
• P/E= Planned Enhancement
• N/A= Not Applicable
• U= Unknown
14
See Appendix B5