Quantum Confidential Update Summary

This update covers added platform support for various operating systems, upcoming support for Xsan changes, and details about global Windows share mode support. It emphasizes cross-client compatibility and features related to Microsoft Office file access. Notes on share mode tracking and FSM reconnect synchronization are also provided.

• Quantum Confidential
• Platform Support
• Windows
• Xsan Changes
• File Access

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1. SNFS 4.7 TOI Brent Petit 17 JUL 2013 | Quantum Confidential

2. 2 | Quantum Confidential

3. Added Platform Support Windows Server 2012 MDC Windows 8 Client support added in 4.3.2 SLES 11 SP2 MDC RedHat 6.4 MDC Solaris 11.1 Client x86_64 & Sparc Debian 6 Client x86_64 | Quantum Confidential

4. Xsan Changes 4.7 will be supported as a StorNext FX upgrade Details to come Current Xsan releases are based on 4.2.2 | Quantum Confidential

5. Global Windows Share mode Support Provides for cross-client support for the Windows sharemode behavior supported by the Windows CreateFile API Most notable use case is shared access to Microsoft Office files Allows access for clients that do not have global sharemode support But no enforcement is done on those clients | Quantum Confidential

6. Global Windows Share mode Support Example Microsoft Word files Client 1 opens File.doc MS Word opens this file with exclusive read/write access Client 2 opens File.doc Client 2 receives a sharing violation Once Client 1 closes File.doc , Client 2 is allowed to open the file This is a feature of Windows/Office that customers have been asking for | Quantum Confidential

7. Global Windows Sharemode Support Notes This feature requires additional share mode tracking in the FSM and the Windows Clients Overhead is minimal but not zero Non-Windows clients to not interact with sharemode tracking Enabling this feature can trigger new sharing violations on windows systems If that impacts the customer workflow the feature can be disabled until the customer applications are fixed FSM reconnect synchronization During FSM failover the clients must all resynchronize their sharemode state. This can increase the client reconnect time depending on how responsive all of the clients are. | Quantum Confidential

8. Global Windows Sharemode Support Notes FSM reconnect synchronization During FSM failover the clients must all resynchronize their sharemode state. This can increase the client reconnect time depending on how responsive all of the clients are. The resynchronization will time-out if a client does not respond in time This could lead to a sharing mode conflict In that case the FSM will allow the conflict and log the issue in the cvlog | Quantum Confidential