Document revision date: 19 July 1999

Appendix B
Appendix B	Messages
B.1	Mount Verification Messages
B.2	OPCOM Message
B.3	Shadow Server Messages
B.4	VOLPROC Messages
Index
Index
Examples
3-1	Nodes Not Registered to Use Volume Shadowing
3-2	MODPARAMS.DAT File
3-3	LANCP Database Example of a Satellite Node
3-4	DECnet Database Example of a Satellite Node
4-1	Creating a Shadow Set
4-2	Using the /NOASSIST Qualifier
4-3	Using the /CLUSTER Qualifier
4-4	Adding a Disk to an Existing Shadow Set
4-5	Mounting a Shadowed Volume Set
4-6	Dissolving a Shadow Set
5-1	Item List to Create and Mount a Shadow Set
5-2	Item List to Add a Member to a Shadow Set
5-3	Item List to Create and Mount a Volume Set
5-4	Removing a Member from a Shadow Set
5-5	Dismounting and Dissolving a Shadow Set Locally
5-6	Dismounting and Dissolving a Shadow Set Across the Cluster
6-1	Copy Operation: Creating a New Shadow Set
6-2	Copy Operation: Adding a Member to an Existing Shadow Set
6-3	No Copy Operation: Rebuilding a Shadow Set
6-4	Merge Operation: Rebuilding a Shadow Set
A-1	Migrating a Phase I Shadow Set to Phase II
Figures
1-1	Elements of a Shadow Set
1-2	Shadow Sets Accessed Through the MSCP Server
2-1	Levels of Availability
2-2	Configuration of a Shadow Set (One CPU, One Controller)
2-3	Configuration of a Shadow Set (One CPU, Two Controllers)
2-4	Configuration of a Shadow Set (An OpenVMS Cluster, Dual Controllers)
2-5	Configuration of a Shadow Set (Highly Available Local Area OpenVMS Cluster)
2-6	Configuration of a Shadow Set (With Multiple Star Couplers and Multiple Controllers)
2-7	Configuration of a Shadowed FDDI Cluster
3-1	Booting Satellite Nodes
6-1	Steady State Transitions
6-2	Copy Operation Transitions
6-3	Minimerge Operation Transitions
6-4	Merge Operation Transitions
Tables
2-1	Types of Device Failures
3-1	Volume Shadowing Parameters
3-2	SHADOWING Parameter Settings
4-1	MOUNT Command Qualifiers
4-2	F$GETDVI Items for Volume Shadowing
5-1	SYS$MOUNT Item Codes
5-2	$DISMOU Flag Options
5-3	SYS$GETDVI Item Codes
6-1	Information in the Storage Control Block (SCB)
8-1	Copy Times (In Minutes) for Two-Member RA82 Shadow Sets
8-2	RAID Levels

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