HP UX Common Internet File System (CIFS) Client/Server Software manual CIFS/9000 Locking Summary

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Chapter 7 CIFS/9000 LOCKING SUMMARY

The following table summarizes CIFS/9000 file locking:

Mandatory Share Mode (Open Mode)

CIFS/9000

Lock Windows

Lock UNIX – no advisory locking Lock UNIX – advisory locking

Lock UNIX/NFS – no advisory locking Lock UNIX/NFS – advisory locking

Lock PC-NFS

Byte Range Locking

Yes

Planned Enhancement9

Yes (HP-UX AR 0901)

Planned Enhancement9

Yes (HP-UX AR 0901)

Yes (HP-UX AR 0901)

Lock Windows		Yes

Lock UNIX – no advisory locking		Planned Enhancement

Lock UNIX – advisory locking		Yes10

Lock UNIX/NFS – no advisory locking		Planned Enhancement

Lock UNIX/NFS – advisory locking		Yes

Lock PC-NFS		Yes

Oplocks

Break Oplock for Windows access		Yes

Break Oplock for UNIX access – no		Planned Enhancement
advisory

Break Oplock for UNIX access - advisory		Planned Enhancement

Break Oplock for UNIX/NFS – no advisory		Planned Enhancement

Break Oplock for UNIX/NFS – advisory		Planned Enhancement

Break Oplock for PC-NFS		Planned Enhancement

9See Appendix B.5

10See Appendix B.2

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Contents Version 1.03 September Eric Roseme Snsl Advanced Technology CenterE0300 Legal Notices Copyright NoticesContents Introduction CIFS/9000 Product Overview File Locking Overview ACLPage File Locking Implementations Windows CifsPage Unix NFSPC NFS Mandatory Share Mode Locking Open Mode CIFS/9000 File Locking ImplementationPage Page Page Windows only Client Access Local File System CIFS/9000 File Locking Interoperability ExamplesPage Windows only Client Access NFS Mounted File System Page Windows and Unix Client Access Local File System Page Windows and Unix Client Access NFS Mounted File System Page UNIX/NFS PC-NFS Page Unix PC-NFS Page Clients Page Byte Range Locking Mandatory Share Mode Open Mode CIFS/9000CIFS/9000 Locking Summary OplocksCIFS/9000 Competition Locking Summary Mandatory Share Mode Open Mode Network AppliancePage Mandatory Share Mode Open Mode EMC Celerra EMC CelerraPage Auspex NeTservices Mandatory Share Mode Open Mode Auspex NeTservicesPage Mandatory Share Mode Open Mode Veritas FSE Veritas File Server EditionLocking Summary Table EMCCIFS/9000 File Locking Interoperability Summary Page Smb.conf for Windows-Only Access Appendix a smb.conf ExamplesSmb.conf for Mixed-Mode Access Appendix B Sales Tool Locking Technology Examples Determine Locking RequirementByte Range Locking CIFS/NFS Open Mode Locking CIFS/NFS Open Mode Locking Competitor’s Claims for NFS Non-Locking Protection

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