Document revision date: 19 July 1999
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[OpenVMS documentation]

Volume Shadowing for OpenVMS


Previous Contents Index

T
Timeouts
    disk recovery
Transient state
    definition
    performance
Transitions
    during copy operations
    during merge operations
    during minimerge operations
    in shadow set membership
U
UICs (user identification codes)
    for mounting disks
Unassisted merge operations
Unit errors
    recovery from
Upgrades
    operating system
User identification codes
    See UICs
V
Virtual units
    as system disk shadow set
    clusterwide #1
    clusterwide #2
    definition
    distributed
VMB (primary bootstrap)
    setting R3 for phase II volume shadowing
VOLPRO privilege
    required for MOUNT command
VOLPROC command
    messages
Volume labels
    copy operation
    differences among shadow set members
Volume sets
    constructing
    mounting #1
    mounting #2
    mounting #3
        with MNT$_SHANAM
    shadowed
    virtual unit item descriptor
Volume shadowing
    capacity license #1
    capacity license #2
    compatibility between phase I and II
    concepts
    copy assist performance
    definition
    disabling
    disabling copy assists
    enabling
    license registration for
    migrating from phase I to phase II
    minimerge performance
    overview
    per disk license #1
    per disk license #2
    phase II
    processing messages
    providing high data availability
    recovery from device failures
    recovery strategies after a system failure
    shadow server messages
    shadow set configurations
    system parameters
    virtual units
    VOLPROC messages
Volume shadowing generation number
    used for copy operation
Volumes
    compatibility with disks
W
WHEs (write log entries)
    availability
    for minimerge operation
Write log entries
    See WHEs
Write protection
    hardware
Write requests
    performance

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