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Index
HP Volume Shadowing for OpenVMS: OpenVMS Version 8.4
Index
A- Addressing data
- recovery from errors, Repair and Recovery from Failures
- ALLOCATE command, Allocating Devices
- Allocation
classes
- naming format, Creating a Shadow Set
- nonzero, Creating a Shadow Set
- ALLOCLASS
parameter, Guidelines for Using Volume Shadowing Parameters
- ANALYZE/DISK/SHADOW
command, Using ANALYZE/DISK/SHADOW to Examine a Shadow Set
- ATM, Shadowing Disks Across an OpenVMS Cluster System
- AUTOGEN utility
- using with MODPARAMS.DAT, Setting System Parameters
- Availability
- achieved by shadow set configurations, Configuring Your System for High Data Availability
- levels, Levels of High Data Availability Using Volume Shadowing
- of
data, Overview
- performance
impacts, Performance Information for Volume Shadowing
- recovery
from failures, Repair and Recovery from Failures
- with write I/O requests, Overview
B- Backup operations, Performing Backup Operations on a Shadow Set
- data consistency requirements, Data Consistency Requirements
- database systems, Database Systems
- guidelines for using shadow set member, Guidelines for Using a Shadow Set Member for Backup
- host-based RAID, Host-Based RAID
- mapped files, Mapped Files
- multiple shadow sets, Multiple Shadow Sets
- OpenVMS Cluster operations, OpenVMS Cluster Operation
- OpenVMS file system, Base File System
- restoring data, Restoring Data
- revalidation of data consistency methods, Revalidation of Data Consistency Methods
- RMS considerations, RMS Considerations
- shadow copy as, Using Copy Operations to Create a Backup
- testing, Testing
- using Backup utility, Using the OpenVMS Backup Utility
- virtual cache, $QIO File Access and VIOC
- XFC, $QIO File Access and VIOC
- Backup utility (BACKUP)
- /IMAGE qualifier, Using BACKUP/IMAGE on a Shadow Set
- revision number, Information in the Storage Control Block (SCB)
- standalone
- restrictions, Restrictions on BACKUP Procedures
- Bitmaps
- (see HBMM bitmaps)
- Booting
- satellite
boot devices, Booting Satellite Nodes from a Served, System Disk Shadow Set
- satellite
nodes, Booting Satellite Nodes from a Served, System Disk Shadow Set
- system disk shadow set, Booting from a System Disk Shadow Set
C- CI (computer interconnect)
- and MSCP server access to shadow sets, Shadowing Disks Across an OpenVMS Cluster System
- preventing resource saturation, Performance During Copy and Merge Operations
- utilized for copy operations, Performance During Copy and Merge Operations
- Cluster
systems
- (see OpenVMS Cluster systems)
- CLUSTER_CONFIG.COM
command procedure
- setting shadowing parameters, Booting Satellite Nodes from a Served, System Disk Shadow Set
- CLUSTER_CONFIG_LAN.COM
command procedure
- setting shadowing parameters, Booting Satellite Nodes from a Served, System Disk Shadow Set
- Compatibility
- shadow set members, Supported Devices
- Configuration
of a shadow set
- effect on availability, Configuring Your System for High Data Availability
- examples, Shadow Set Configurations
- one system with
one adapter, Shadow Set Configurations
- one system with two host-based
adapters, Shadow Set Configurations
- OpenVMS Cluster with dual adapters, Shadow Set Configurations
- Configuration requirements
- HBMM, HBMM Configuration Requirements
- HBMM in mixed-version or mixed-architecture cluster, HBMM in a Mixed-Version or Mixed-Architecture OpenVMS Cluster System
- HBMM restrictions, HBMM Restrictions
- Consistency
- data, Ensuring Shadow Set Consistency
- ensuring
during failures, Types of Failures
- when adding shadow set members, Checking Status of Potential Shadow Set Members With /CONFIRM
- Controller errors
- recovery from, Types of Failures
- Controllers
- performing
DCD commands, Assisted Copy Operations (Alpha)
- setting preferred path, Assisted Copy Operations (Alpha)
- supporting performance assists, Improving Performance for Merge and Copy Operations
- using performance assists, Improving Performance for Merge and Copy Operations
- write log entries, Assisted Merge Operations (Alpha)
- Copy operations
- adding a member, Examples of Copy and Merge Operations
- after a system failure, What Happens to a Shadow Set When a System Fails?
- assisted, Assisted Copy Operations (Alpha)
- controllers supporting, Improving Performance for Merge and Copy Operations
- disabling
on HSC controller, Assisted Copy Operations (Alpha), Controlling HSC Assisted Copy and Minimerge Operations
- overview, Improving Performance for Merge and Copy Operations
- performance, Effects on Performance
- setting preferred path, Assisted Copy Operations (Alpha)
- BACKUP revision number, Information in the Storage Control Block (SCB)
- comparison with minicopy, Different Uses for Copy and Minicopy
- controlling which systems manage them, Controlling Which Systems Manage Merge and Copy Operations
- controlling with the SHADOW_MAX_COPY
parameter, Guidelines for Using Volume Shadowing Parameters
- example, Copy Operation: Creating a New Shadow Set
- managing, Managing Copy and Merge Operations (Integrity servers and Alpha), Managing Copy Operations
- multiple simultaneous, Guidelines for Using Volume Shadowing Parameters
- no copy, Examples of Copy and Merge Operations
- performance of minicopy versus DCD
copy, Why Use Minicopy?
- prioritizing, Prioritizing Merge and Copy Operations
- proper dismount, Information in the Storage Control Block (SCB)
- purpose, Copy Operations
- recovery from system failures, What Happens to a Shadow Set When a System Fails?
- transitions in shadow set membership, What Happens to a Shadow Set When a System Fails?
- unassisted, Unassisted Copy Operations
- volume label, Information in the Storage Control Block (SCB)
- volume shadowing generation number, Information in the Storage Control Block (SCB)
- with merge operation, Examples of Copy and Merge Operations
- Copy threads
- controlling dynamically, Performance During Copy and Merge Operations
- controlling
with the SHADOW_MAX_COPY parameter, Guidelines for Managing Shadow Set Performance
- referred to in status messages, Shadow Server Messages
- Crash dumps
- shadowed
system disk and minicopy, Obtaining Dump Files of Shadowed System Disk When Minicopy Is Used (Alpha Only)
- written
to system disk shadow set, Crash Dumping to a Shadowed Disk
D- Data
- changing on individual members, Modifying Data on Individual Shadow Set Members
- Data availability. (see Availability)
- Data
consistency, Ensuring Shadow Set Consistency
- when adding shadow set members, Checking Status of Potential Shadow Set Members With /CONFIRM
- Data errors
- recovery from, Types of Failures
- DCD
(disk copy data) commands, Assisted Copy Operations (Alpha)
- DDS., Supported Devices
- DECnet databases
- example of a satellite node, DECnet Database Example of a Satellite Node
- Devices
- allocating, Allocating Devices
- DECram served device, Managing Shadow Sets With SET SHADOW (Integrity servers and Alpha)
- recovery
from controller errors, Types of Failures
- recovery from data errors, Types of Failures
- recovery from errors, Repair and Recovery from Failures
- recovery from failures, Repair and Recovery from Failures
- recovery from unit or drive errors, Types of Failures
- supported, Hardware Environment
- unsupported, Supported Devices
- Digital
Storage Architecture (DSA) disk drives, Hardware Environment
- Disaster tolerant
OpenVMS Cluster systems. (see OpenVMS Cluster systems)
- Disk mirroring, Introduction to HP Volume Shadowing for OpenVMS
- Disks
- compatibility to form a shadow set, Supported Devices
- in Files-11 structure, Supported Devices
- initializing, Configuration Tasks
- SCSI support, Supported Devices
- DISMOUNT command
- /FORCE_REMOVAL qualifier, Removing Members from Shadow Sets
- /POLICY=MINICOPY qualifier, MOUNT Command Qualifiers (Shadowing Specific), Procedure for Using Minicopy
- creating a write bitmap, Creating a Bitmap With DISMOUNT
- removing a shadow set
member, Removing Members and Dissolving Shadow Sets
- required privileges, Removing Members and Dissolving Shadow Sets
- use of multiple-site qualifiers, How to Use the Multiple-Site SET SHADOW and DISMOUNT Command Qualifiers
- Dissimilar device shadowing (DDS), Supported Devices
- DOSD (dump off system disk), Crash Dumping to a Shadowed Disk
- use of DUMPSTYLE, Guidelines for Using Volume Shadowing Parameters
- Drive errors
- recovery from, Types of Failures
- DSA
(Digital Storage Architecture)
- naming the virtual unit, Creating a Shadow Set
- support for compliant
hardware, Supported Configurations
- DSSI (Digital
Storage Systems Interconnect)
- and MSCP server
access to shadow sets, Shadowing Disks Across an OpenVMS Cluster System
- DUMPSTYLE system parameter, Crash Dumping to a Shadowed Disk
- DVE. (see Dynamic
volume expansion (DVE))
- Dynamic
volume expansion (DVE), Supported Devices, Dynamic Volume Expansion (Integrity servers and Alpha)
E- Enhanced shadowing features, Enhanced Shadowing Features
- Error messages, Messages
- mount verification, Mount Verification Messages
- OPCOM, OPCOM Message
- shadow server, Shadow Server Messages
- system service, Evaluating Condition Values Returned by $DISMOU and $MOUNT
- VOLPROC, VOLPROC Messages
- Errors
- recovery from, Repair and Recovery from Failures
- Ethernet
- and MSCP server access to shadow sets, Shadowing Disks Across an OpenVMS Cluster System
- Gigabit Ethernet usage, Shadowing Disks Across an OpenVMS Cluster System
- preventing resource saturation, Performance During Copy and Merge Operations
- utilized for copy operations, Performance During Copy and Merge Operations
- Extensible Firmware Interface (EFI)
- shadow set precautions, EFI Shell Precautions on Shadowed System Disks
H- Hardware environment, Hardware Environment
- HBMM bitmaps
- master, How to Define an HBMM Policy
- master and local, Bitmaps: Master and Local
- selecting
systems for master bitmaps, Selecting the Systems to Host Master Bitmaps
- setting
the RESET_THRESHOLD value, Considerations for Setting a Bitmap RESET_THRESHOLD Value
- HBMM operations
- configurating and managing, Configuring and Managing HBMM
- displaying merge status, How to Display the Merge Status of Shadow Sets
- how to activate, How to Activate HBMM on a Shadow Set
- how to disable, How to Disable HBMM on a Shadow Set
- multiple-site OpenVMS Cluster considerations, Considerations for Multiple-Site OpenVMS Cluster Systems
- overview, Overview of HBMM
- preventing, How to Prevent Merge Operations on a System
- use of SET SHADOW/DEMAND_MERGE, Use of /DEMAND_MERGE When HBMM Is Enabled
- using multiple policies, Using Multiple Policies
- HBMM
policies, HBMM Policies
- activating, Rules Governing HBMM Policies
- assigning, Rules Governing HBMM Policies, How to Assign an HBMM Policy to a Shadow Set
- changing, Rules Governing HBMM Policies
- DEFAULT
name, Rules Governing HBMM Policies
- defining, How to Define an HBMM Policy
- how
to apply changed DEFAULT policy, How to Apply a Changed DEFAULT Policy
- how
to change policy assignments, How to Change a Policy Assignment of a Shadow Set
- how
to delete named policies, How to Delete a Named Policy from the Cluster
- how to display, How to Display Policies
- how
to remove policy associations, How to Remove a Policy Assignment from a Shadow Set
- longevity, Rules Governing HBMM Policies
- NODEFAULT
name, Rules Governing HBMM Policies
- rules, Rules Governing HBMM Policies
- syntax specification, HBMM Policy Specification Syntax
- Host-based adapter (HBA), Shadow Set Configurations
- Host-based minicopy
- Mutliuse property, Multiuse Property for Host-Based Minicopies
- HSC (hierarchical storage controller)
- disabling performance assists, Controlling HSC Assisted Copy and Minimerge Operations
I- INITIALIZE command
- /ERASE qualifier, Using INITIALIZE/SHADOW/ERASE to Form a Shadow Set (Integrity servers and Alpha)
- /LIMIT qualifier, Dynamic Volume Expansion (Integrity servers and Alpha)
- /SHADOW and /ERASE qualifiers, Using INITIALIZE/SHADOW/ERASE to Form a Shadow Set (Integrity servers and Alpha)
- Initializing
- disk
volumes, Configuration Tasks
- Installations
- Volume
Shadowing for OpenVMS, Installation
- Item codes
- adding to a shadow set, Item List to Add a Member to a Shadow Set
- creating and mounting a shadow set, Item List to Create and Mount a Shadow Set
- creating and mounting a volume set, Item List to Create and Mount a Volume Set
- with SYS$GETDVI system service, $GETDVI Shadow Set Item Codes
- with SYS$MOUNT system service, $MOUNT Shadow Set Item Codes
M- Mass storage control protocol (see MSCP)
- Merge operations
- after a system failure, What Happens to a Shadow Set When a System Fails?
- assisted
- performance, Assisted Merge Operations (Alpha)
- automatic throttling, Performance During Copy and Merge Operations
- comparison of merge and minimerge, Comparison of Merge and Minimerge Operations
- controlling which systems manage them, Controlling Which Systems Manage Merge and Copy Operations
- demand merge, SET SHADOW Command Qualifiers
- displaying status, How to Display the Merge Status of Shadow Sets
- example, Examples of Copy and Merge Operations
- improving performance, Improving Performance of Unassisted Merge Operations
- managing, Managing Copy and Merge Operations (Integrity servers and Alpha), Managing Merge Operations
- merge recovery operation, Overview of Full Merge and Minimerge Operations
- multiple simultaneous, Guidelines for Using Volume Shadowing Parameters
- overview, Overview of Full Merge and Minimerge Operations
- preventing, How to Prevent Merge Operations on a System
- preventing unnecessary, Dismounting Shadow Sets in Site-Specific Shutdown Procedures
- prioritizing, Prioritizing Merge and Copy Operations
- throttling, Improving Performance of Unassisted Merge Operations
- transitions in shadow set membership, What Happens to a Shadow Set When a System Fails?
- unassisted, Unassisted Merge Operations
- use of DEMAND_MERGE, Using /DEMAND_MERGE to Start a Merge Operation
- use of SHADOW_MAX_COPY, Guidelines for Using Volume Shadowing Parameters
- Messages, Messages
- displayed for unregistered nodes, Licensing Volume Shadowing for OpenVMS
- mount verification, Mount Verification Messages
- OPCOM, OPCOM Message
- shadow
server, Shadow Server Messages
- system
service, Evaluating Condition Values Returned by $DISMOU and $MOUNT
- VOLPROC, VOLPROC Messages
- Minicopy bitmaps
- creating, Creating Bitmaps
- DISMOUNT command, Creating a Bitmap With DISMOUNT
- MOUNT command, Creating a Bitmap With MOUNT
- displaying, Deleting Bitmaps
- displaying IDs, Displaying Bitmap IDs
- local, Master and Local Bitmaps
- managing with DCL commands, Managing Bitmaps With DCL Commands
- master, Using Minicopy for Backing Up Data (Integrity servers and Alpha), Master and Local Bitmaps
- representation, What Is Minicopy?
- Minicopy operations
- definition, What Is Minicopy?
- getting a dump file, Obtaining Dump Files of Shadowed System Disk When Minicopy Is Used (Alpha Only)
- performance, Comparison of Minicopy and Hardware-Assist (DCD) Copy Performance
- purpose, Why Use Minicopy?
- required steps, Procedure for Using Minicopy
- restrictions, Minicopy Restrictions
- starting, Starting a Minicopy Operation
- Minimerge operations
- actions during system failure, What Happens to a Shadow Set When a System Fails?
- after a system failure, What Happens to a Shadow Set When a System Fails?, Crash Dumping to a Shadowed Disk
- configuring for system disk, Crash Dumping to a Shadowed Disk
- controllers supporting, Improving Performance for Merge and Copy Operations
- disabling, Assisted Merge Operations (Alpha)
- disabling on HSC
controller, Controlling HSC Assisted Copy and Minimerge Operations
- enabling, Guidelines for Using Volume Shadowing Parameters
- minimerge recovery operation, Overview of Full Merge and Minimerge Operations
- overview, Improving Performance for Merge and Copy Operations
- performance, Assisted Merge Operations (Alpha), Effects on Performance
- write log entries, Assisted Merge Operations (Alpha)
- Mirroring
- disks, Introduction to HP Volume Shadowing for OpenVMS
- MODPARAMS.DAT
file
- editing in an OpenVMS Cluster, Setting System Parameters
- example, Setting System Parameters
- setting parameters, Setting System Parameters
- MOUNT command, Allocating Devices
- /CLUSTER qualifier, Booting Satellite Nodes from a Served, System Disk Shadow Set, Additional MOUNT Command Qualifiers (Not Shadowing Specific), Creating a Shadow Set With /SYSTEM and With /CLUSTER
- /COPY qualifier, Using the /NPCOPY Qualifier
- /INCLUDE
qualifier, Reconstructing a Shadow Set With /INCLUDE
- /NOASSIST qualifier, MOUNT Command Qualifiers for Shadowing
- /NOMOUNT_VERIFICATION
qualifier, MOUNT Command Qualifiers Specific to Shadowing
- /OVERRIDE=IDENTIFICATION qualifier, MOUNT Command Qualifiers Specific to Shadowing
- /OVERRIDE=SHADOW_MEMBERSHIP qualifier, Mounting a Former Shadow Set Member as a Non-shadowed Disk
- /POLICY=MINICOPY qualifier, What Is Minicopy?, Procedure for Using Minicopy, Starting a Minicopy Operation
- /SHADOW qualifier, Creating a Shadow Set
- /SYSTEM qualifier, Additional MOUNT Command Qualifiers Used for Shadowing
- adding shadow set members, Creating a Two-Member Shadow Set and Adding a Third Member
- creating a write bitmap, Creating a Bitmap With MOUNT
- format, Creating a Shadow Set
- POLICY qualifier, MOUNT Command Qualifiers Specific to Shadowing
- qualifiers, MOUNT Command Qualifiers for Shadowing, MOUNT Command Qualifiers Specific to Shadowing, Additional MOUNT Command Qualifiers Used for Shadowing
- reconstructing
shadow sets with /INCLUDE, Reconstructing a Shadow Set With /INCLUDE
- required
privileges, MOUNT Command Qualifiers for Shadowing, Additional MOUNT Command Qualifiers Used for Shadowing
- starting
a write bitmap, Procedure for Using Minicopy
- Mount utility messages
- systems that do not support
HBMM, Mount Utility Messages
- Mount verification
- messages, Mount Verification Messages
- Mounting
- devices, Allocating Devices
- shadow
sets, Additional MOUNT Command Qualifiers (Not Shadowing Specific)
- virtual
units, Creating a Shadow Set
- volume
sets, Using $MOUNT to Mount Volume Sets
- MSCP
- server, Shadowing Disks Across an OpenVMS Cluster System
- MSCP (mass storage control protocol)
- DCD commands, Assisted Copy Operations (Alpha)
- supported devices, Hardware Environment
- Mutliuse property, Multiuse Property for Host-Based Minicopies
- MVTIMEOUT parameter, Types of Failures
O- OPCOM (Operator
Communication Manager)
- messages, OPCOM Message
- OpenVMS Cluster systems
- computer interconnects, Shadowing Disks Across an OpenVMS Cluster System
- enhanced shadowing performance, Improving Performance for Merge and Copy Operations
- interprocess communication, Shadowing Disks Across an OpenVMS Cluster System
- maximum number of shadow sets, Maximum Number of Shadow Sets
- mounting shadow sets, Booting Satellite Nodes from a Served, System Disk Shadow Set, Additional MOUNT Command Qualifiers (Not Shadowing Specific)
- MSCP server access, Shadowing Disks Across an OpenVMS Cluster System
- multiple-site clusters
- shadowing across, Managing Shadow Sets With SET SHADOW (Integrity servers and Alpha)
- providing high data availability, Levels of High Data Availability Using Volume Shadowing
- requirement for nonzero allocation class, Creating a Shadow Set
- shadowing across, Shadowing Disks Across an OpenVMS Cluster System
- updating system parameters, Setting System Parameters
- OpenVMS multiple-site clusters
- managing shadow set members, Managing Shadow Sets With SET SHADOW (Integrity servers and Alpha)
- OPER privilege
- MOUNT command, MOUNT Command Qualifiers for Shadowing
- Operating
environments for OpenVMS Integrity server systems, Licensing Volume Shadowing for OpenVMS
P- PAKs
- registering, Licensing Volume Shadowing for OpenVMS
- Parameters. (see System parameters)
- Performance, Performance Information for Volume Shadowing
- assisted
copies, Assisted Copy Operations (Alpha), Improving Performance for Merge and Copy Operations, Effects on Performance
- assisted merge operations, Assisted Merge Operations (Alpha)
- automatic
merge throttle, Performance During Copy and Merge Operations
- controlling copy operations with SHADOW_MAX_COPY, Guidelines for Using Volume Shadowing Parameters
- for
read I/O requests, Overview
- merge assists, Improving Performance for Merge and Copy Operations
- minimerge, Effects on Performance
- shadow set, Performance Information for Volume Shadowing
- steady
state, Performance During Steady State
- write
log entries, Assisted Merge Operations (Alpha)
- Performance assists
- copy operation, Improving Performance for Merge and Copy Operations
- merge operation, Improving Performance for Merge and Copy Operations
- Performance implications
- bitmaps, Performance Implications of Bitmaps
- SetBit messages, Performance Implications of Bitmaps
- Policies, Overview of HBMM
- Preferred
path
- setting for controllers, Assisted Copy Operations (Alpha)
- Privileges
- LOG_IO, MOUNT Command Qualifiers for Shadowing
- OPER, MOUNT Command Qualifiers for Shadowing
- SYSNAM, Booting Satellite Nodes from a Served, System Disk Shadow Set, MOUNT Command Qualifiers for Shadowing
- VOLPRO, MOUNT Command Qualifiers for Shadowing
- Product Authorization Keys. (see PAKs)
R- RAID
(redundant arrays of independent disks), Overview
- levels, Striping (RAID) Implementation
- Read requests
- performance, Overview
- RECNXINTERVAL parameter, Guidelines for Using Volume Shadowing Parameters, Controlling Which Systems Manage Merge and Copy Operations
- Recoveries
- from
controller errors, Types of Failures
- from
data errors, Types of Failures
- from device failure, Repair and Recovery from Failures
- from system failures, What Happens to a Shadow Set When a System Fails?
- from unit or drive errors, Types of Failures
- repair
actions, Repair and Recovery from Failures
- repairing data, Overview
S- Satellite
nodes, Booting Satellite Nodes from a Served, System Disk Shadow Set
- booting shadowed, Booting Satellite Nodes from a Served, System Disk Shadow Set
- DECnet database example, DECnet Database Example of a Satellite Node
- LANCP database example, LANCP Database Example of a Satellite Node
- SCBs (storage control blocks)
- BACKUP revision number, Information in the Storage Control Block (SCB)
- proper dismount, Information in the Storage Control Block (SCB)
- read at boot time, Booting from a System Disk Shadow Set
- volume label, Information in the Storage Control Block (SCB)
- volume shadowing generation number, Information in the Storage Control Block (SCB)
- SCSI (Small Computer Systems Interface)
- hardware compliance, Hardware Environment
- support for compliant
hardware, Supported Devices
- third-party
compliance, Using SDA to Obtain Information About Third-Party SCSI Devices
- SDA., Crash Dumping to a Shadowed Disk
- Servers
- MSCP, Shadowing Disks Across an OpenVMS Cluster System
- shadow
server messages, Shadow Server Messages
- SET SHADOW
Command
- /NOSTALL qualifier, SET SHADOW Command Qualifiers
- /RESET_COUNTERS, SET SHADOW Command Qualifiers
- SET SHADOW command, Managing Copy and Merge Operations (Integrity servers and Alpha)
- /ABORT_VIRTUAL_UNIT qualifier, SET SHADOW Command Qualifiers
- /ALL qualifier, SET SHADOW Command Qualifiers
- /CONFIRM qualifier, SET SHADOW Command Qualifiers
- /COPY_SOURCE qualifier, SET SHADOW Command Qualifiers
- /DEMAND_MERGE qualifier, SET SHADOW Command Qualifiers, Use of /DEMAND_MERGE When HBMM Is Enabled
- /DISABLE=HBMM qualifier, SET SHADOW Command Qualifiers
- /ENABLE=HBMM qualifier, SET SHADOW Command Qualifiers
- /EVALUATE=RESOURCES qualifier, SET SHADOW Command Qualifiers, Managing Transient States in Progress
- /FORCE_REMOVAL qualifier, SET SHADOW Command Qualifiers
- /LOG qualifier, SET SHADOW Command Qualifiers
- /MEMBER_TIMEOUTqualifier, SET SHADOW Command Qualifiers
- /MVTIMEOUTqualifier, SET SHADOW Command Qualifiers
- /NAME=policy-name qualifier, SET SHADOW Command Qualifiers
- /OUTPUT qualifier, SET SHADOW Command Qualifiers
- /POLICY=HBMM qualifier, SET SHADOW Command Qualifiers
- /PRIORITY qualifier, SET SHADOW Command Qualifiers, Managing Transient States in Progress
- /READ_COST qualifier, SET SHADOW Command Qualifiers
- /SITE qualifier, SET SHADOW Command Qualifiers
- /STALL qualifier, SET SHADOW Command Qualifiers
- qualifiers, Managing Copy and Merge Operations (Integrity servers and Alpha)
- usage, Mounting a Former Shadow Set Member as a Non-shadowed Disk
- use of multiple-site qualifiers, How to Use the Multiple-Site SET SHADOW and DISMOUNT Command Qualifiers
- SET VOLUME command
- /LIMIT qualifier, Dynamic Volume Expansion (Integrity servers and Alpha)
- SHAD$MERGE_DELAY_FACTOR_DSAnnnn, Improving Performance of Unassisted Merge Operations
- SHAD$MERGE_DELAY_THRESHOLD_DSAnnnn, Improving Performance of Unassisted Merge Operations
- Shadow servers
- messages, Shadow Server Messages
- Shadow
set configurations, Maximum Number of Shadow Sets
- effect on performance, Performance Information for Volume Shadowing
- enhanced shadowing performance, Improving Performance for Merge and Copy Operations
- maximum number of shadow sets, Maximum Number of Shadow Sets
- setting up, Preparing to Use Volume Shadowing
- Shadow set members, Overview
- backing up, Performing Backup Operations on a Shadow Set, Restrictions on BACKUP Procedures
- crash dumping to system disk, Crash Dumping to a Shadowed Disk
- dismounting, Removing Members and Dissolving Shadow Sets
- distributed across an OpenVMS Cluster system, Supported Configurations
- inaccessibility because of failures, Repair and Recovery from Failures
- initializing, Configuration Tasks
- modifying data, Modifying Data on Individual Shadow Set Members
- naming, Creating a Shadow Set
- requirement for nonzero allocation
class, Creating a Shadow Set
- transferring changes, Modifying Data on Individual Shadow Set Members
- Shadow
sets
- adding members, Adding Shadow Set Members, Creating a Two-Member Shadow Set and Adding a Third Member
- additional members, Item List to Add a Member to a Shadow Set
- assigning
priorities, Assigning Priorities to Shadow Sets
- backing up, Performing Backup Operations on a Shadow Set
- clusterwide, Additional MOUNT Command Qualifiers (Not Shadowing Specific)
- components, Overview
- configuration examples, Shadow Set Configurations
- copy
operations, Copy Operations
- crash dumping to system disk, Obtaining Dump Files of Shadowed System Disk When Minicopy Is Used (Alpha Only), Crash Dumping to a Shadowed Disk
- creating, Creating a Shadow Set, Different Uses for Copy and Minicopy
- with SYS$MOUNT
system service, Using $MOUNT to Create and Mount Shadow Sets, Using $MOUNT to Mount Volume Sets
- data consistency, Ensuring Shadow Set Consistency
- definition, Overview
- dismounting, Dissolving Shadow Sets
- with SYS$DISMOU system
service, Dismounting and Dissolving a Shadow Set Locally
- displaying information about, Displaying Information About Shadow Sets
- displaying
priorities, Displaying Shadow Set Priority Values
- dissolving, Dissolving Shadow Sets
- with SYS$DISMOU system service, Dismounting and Dissolving a Shadow Set Locally
- distributed across an OpenVMS Cluster system, Shadowing Disks Across an OpenVMS Cluster System
- examining, Displaying Information About Shadow Sets
- with DCL
command SHOW DEVICE, SHOW DEVICE Examples for Shadow Set Information
- with F$GETDVI
lexical function, Obtaining Shadow Set Information With F$GETDVI
- with SDA, Displaying Shadow Set Information With SDA
- initializing
members, Configuration Tasks
- maximum number, Maximum Number of Shadow Sets
- merge throttle, Performance During Copy and Merge Operations
- modifying data, Modifying Data on Individual Shadow Set Members
- mounting, Creating a Shadow Set, Item List to Create and Mount a Shadow Set
- a
volume set, Using $MOUNT to Mount Volume Sets
- with SYS$MOUNT system service, Using $MOUNT to Create and Mount Shadow Sets, Using $MOUNT to Mount Volume Sets
- overview, Overview
- quorum disk, Shadowing System Disks
- removing members
- with
DISMOUNT command, Removing Members and Dissolving Shadow Sets
- with SYS$DISMOU
system service, Removing a Member from a Shadow Set
- requirements, Creating a Shadow Set
- satellite node, Booting Satellite Nodes from a Served, System Disk Shadow Set
- standalone BACKUP, Restrictions on BACKUP Procedures
- state changes, Ensuring Shadow Set Consistency
- steady state, What Happens to a Shadow Set When a System Fails?
- steady-state performance, Performance During Steady State
- system
disk
- upgrading, Upgrading the Operating System on a System Disk Shadow Set
- transitions during copy operations, What Happens to a Shadow Set When a System Fails?
- transitions during merge operations, What Happens to a Shadow Set When a System Fails?
- transitions during minimerge operations, What Happens to a Shadow Set When a System Fails?
- using BACKUP/IMAGE, Modifying Data on Individual Shadow Set Members
- SHADOW_ENABLE
parameter, Volume Shadowing Parameters
- SHADOW_HBMM_RTC parameter, Volume Shadowing Parameters
- SHADOW_MAX_COPY parameter, Using Minicopy in a Mixed-Version OpenVMS Cluster System, Guidelines for Using Volume Shadowing Parameters, Managing Transient States in Progress
- guidelines for setting, Guidelines for Managing Shadow Set Performance
- SHADOW_MAX_UNIT parameter, Guidelines for Using Volume Shadowing Parameters
- SHADOW_MBR_TMO parameter, Types of Failures, Guidelines for Using Volume Shadowing Parameters
- SHADOW_PSM_DLY parameter, Guidelines for Using Volume Shadowing Parameters
- SHADOW_REC_DLY parameter, Guidelines for Using Volume Shadowing Parameters, Controlling Which Systems Manage Merge and Copy Operations
- SHADOW_SITE_ID parameter, Volume Shadowing Parameters
- SHADOW_SYS_DISK
parameter, Guidelines for Using Volume Shadowing Parameters
- SHADOW_SYS_TMO
parameter, Guidelines for Using Volume Shadowing Parameters
- SHADOW_SYS_UNIT
parameter, Guidelines for Using Volume Shadowing Parameters
- SHADOW_SYS_WAIT
parameter, Guidelines for Using Volume Shadowing Parameters
- SHADOWING
parameter, Guidelines for Using Volume Shadowing Parameters
- SHOW CLUSTER
command
- displaying write bitmap information, Displaying Bitmap Status of Cluster Members
- SHOW DEVICE command
- displaying write bitmap information, Determining Bitmap Support and Activity
- during copy operation, Copy Operation: Creating a New Shadow Set
- during merge operation, Examples of Copy and Merge Operations
- during steady state, Examples of Copy and Merge Operations
- example sequence, SHOW DEVICE Examples for Shadow Set Information
- listing shadow set members, Listing Shadow Set Members
- listing shadow sets, Listing Shadow Sets
- overview, Displaying Information About Shadow Sets
- specifying the virtual unit, Listing Shadow Sets
- SHOW SHADOW command, SHOW SHADOW Management Functions
- enhanced shadowing
features, Enhanced Shadowing Features
- qualifiers, SHOW SHADOW Management Functions
- Shutdown procedures
- creating site-specific, Dismounting Shadow Sets in Site-Specific Shutdown Procedures
- preventing unnecessary merge operations on reboot, Dismounting Shadow Sets in Site-Specific Shutdown Procedures
- Smart Array 5300
- KZPDC, Supported Devices
- Standalone
BACKUP, Restrictions on BACKUP Procedures
- Status messages
- mount verification, Mount Verification Messages
- OPCOM, OPCOM Message
- shadow server, Shadow Server Messages
- VOLPROC, VOLPROC Messages
- Steady state, Default Management of Merge and Copy Operations
- definition, Shadow Set Consistency
- performance, Performance During Steady State
- Storage control blocks
- (see SCBs (storage control blocks))
- Stripe sets
- shadowed, Shadow Sets, Bound Volume Sets, and Stripe Sets
- Striping
- and performance, Striping (RAID) Implementation
- SYLOGICALS.COM
startup file
- defining site location, Managing Shadow Sets With SET SHADOW (Integrity servers and Alpha)
- SYS$DISMOU
system service
- condition values returned by, Evaluating Condition Values Returned by $DISMOU and $MOUNT
- dismounting volumes with, Using $DISMOU to Dismount Shadow Sets
- SYS$GETDVI
system service
- getting information about volumes
with, Using $GETDVI to Obtain Information About Shadow Sets
- SYS$MOUNT system service
- condition values returned by, Evaluating Condition Values Returned by $DISMOU and $MOUNT
- item codes, $MOUNT Shadow Set Item Codes
- mounting volumes, Using $MOUNT to Create and Mount Shadow Sets, Using $MOUNT to Mount Volume Sets
- shadow set item codes, $MOUNT Shadow Set Item Codes
- shadowed volume
sets, Using $MOUNT to Mount Volume Sets
- SYSGEN (System Generation utility)
- SET command, Managing Transient States in Progress
- WRITE ACTIVE command, Managing Transient States in Progress
- SYSNAM privilege
- DISMOUNT command, Removing Members and Dissolving Shadow Sets
- MOUNT command, MOUNT Command Qualifiers for Shadowing
- required for MOUNT
command, Additional MOUNT Command Qualifiers Used for Shadowing
- System
disk shadow sets
- booting from, Booting from a System Disk Shadow Set
- booting satellite nodes, Booting Satellite Nodes from a Served, System Disk Shadow Set
- crash dumping to, Obtaining Dump Files of Shadowed System Disk When Minicopy Is Used (Alpha Only), Crash Dumping to a Shadowed Disk
- SHADOW_SYS_DISK parameter, Guidelines for Using Volume Shadowing Parameters, Crash Dumping to a Shadowed Disk
- SHADOW_SYS_TMO parameter, Guidelines for Using Volume Shadowing Parameters
- SHADOW_SYS_UNIT parameter, Guidelines for Using Volume Shadowing Parameters
- SHADOW_SYS_WAIT parameter, Guidelines for Using Volume Shadowing Parameters
- System disks
- crash dumping to, Crash Dumping to a Shadowed Disk
- upgrading, Upgrading the Operating System on a System Disk Shadow Set
- System Dump
Analyzer utility (SDA)
- checking
SCSI compliance, Using SDA to Obtain Information About Third-Party SCSI Devices
- dumping to a shadowed
disk, Crash Dumping to a Shadowed Disk
- dumping to a system disk
shadow set, Obtaining Dump Files of Shadowed System Disk When Minicopy Is Used (Alpha Only)
- examining a shadow set, Displaying Shadow Set Information With SDA
- example, Displaying Shadow Set Information With SDA
- System
failure
- shadow set transitions, What Happens to a Shadow Set When a System Fails?
- System
management
- on systems with volume shadowing, Performing System Management Tasks on Shadowed Systems
- setting up a shadowing environment, Preparing to Use Volume Shadowing
- System parameters
- ALLOCLASS, Guidelines for Using Volume Shadowing Parameters
- bitmap, Bitmap System Parameters
- displaying current SYSGEN values, Displaying System Parameters
- DUMPSTYLE, Crash Dumping to a Shadowed Disk
- MODPARAMS.DAT file, Setting System Parameters
- MVTIMEOUT parameter, Types of Failures
- RECNXINTERVAL, Guidelines for Using Volume Shadowing Parameters, Controlling Which Systems Manage Merge and Copy Operations
- setting, Setting System Parameters
- SHADOW_ENABLE, Volume Shadowing Parameters
- SHADOW_HBMM_RTC, Volume Shadowing Parameters
- SHADOW_MAX_COPY, Using Minicopy in a Mixed-Version OpenVMS Cluster System, Guidelines for Using Volume Shadowing Parameters, Managing Transient States in Progress, Guidelines for Managing Shadow Set Performance
- SHADOW_MAX_UNIT, Guidelines for Using Volume Shadowing Parameters
- SHADOW_MBR_TMO, Types of Failures, Guidelines for Using Volume Shadowing Parameters
- SHADOW_PSM_DLY, Volume Shadowing Parameters
- SHADOW_PSM_RDLY, Guidelines for Using Volume Shadowing Parameters
- SHADOW_REC_DLY, Guidelines for Using Volume Shadowing Parameters, Controlling Which Systems Manage Merge and Copy Operations
- SHADOW_SITE_ID, Volume Shadowing Parameters
- SHADOW_SYS_DISK, Guidelines for Using Volume Shadowing Parameters, Preparing a Shadowed System Disk, Crash Dumping to a Shadowed Disk
- SHADOW_SYS_TMO, Guidelines for Using Volume Shadowing Parameters
- SHADOW_SYS_UNIT, Guidelines for Using Volume Shadowing Parameters
- SHADOW_SYS_WAIT, Guidelines for Using Volume Shadowing Parameters
- SHADOWING, Guidelines for Using Volume Shadowing Parameters
- using MODPARAMS.DAT, Setting System Parameters
- WBM_MSG_INT, Bitmap System Parameters
- WBM_MSG_LOWER, Bitmap System Parameters
- WBM_MSG_UPPER, Bitmap System Parameters
- WBM_OPCOM_LVL, Bitmap System Parameters
- System services
- performing shadow set operations, Creating and Managing Shadow Sets with System Services
V- Virtual units
- as system disk shadow set, Booting from a System Disk Shadow Set
- clusterwide, Booting Satellite Nodes from a Served, System Disk Shadow Set, Creating a Shadow Set
- definition, Overview
- distributed, Installation
- naming conventions, Shadow Set Configurations
- visible impact, Visible Impact of Transient State Events
- VOLPRO privilege
- MOUNT command, MOUNT Command Qualifiers for Shadowing
- VOLPROC command
- messages, VOLPROC Messages
- Volume labels
- copy operation, Information in the Storage Control Block (SCB)
- differences among shadow set members, MOUNT Command Qualifiers Specific to Shadowing
- Volume
sets
- constructing, Evaluating Condition Values Returned by $DISMOU and $MOUNT
- mounting, Using $MOUNT to Mount Volume Sets, Item List to Create and Mount a Volume Set
- with MNT$_SHANAM, MNT$_SHANAM Item Code
- shadowed, Shadow Sets, Bound Volume Sets, and Stripe Sets
- virtual unit item descriptor, Using $MOUNT to Mount Volume Sets
- Volume shadowing
- disabling, Guidelines for Using Volume Shadowing Parameters
- enabling, Guidelines for Using Volume Shadowing Parameters
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