Document revision date: 30 March 2001

G
GRPNAM privilege
required for DISMOUNT command
required for MOUNT command
H
Hardware environment
Host-based adapter
HSC (hierarchical storage controller)
disabling performance assists
I
/INCLUDE qualifier
INITIALIZE command
/ERASE qualifier
/SHADOW qualifier
Initializing
volumes
disk volumes
Installations
See also License registrations
Volume Shadowing for OpenVMS
Item codes
for creating and mounting a shadow set
for creating and mounting a volume set
to add to a shadow set
with SYS$GETDVI system service
with SYS$MOUNT system service
L
LANCP databases
example of a satellite node
License registrations
capacity #1
capacity #2
for volume shadowing
per disk #1
per disk #2
M
Mass storage control protocol
See MSCP
Member units
backing up #1
backing up #2
crash dumping to system disk
mounting
requirement for nonzero allocation class
Members
adding
initializing
on satellite nodes
Membership
adding a new disk
data consistency
during steady state
transitions during copy operations
transitions during merge operations
transitions during minimerge operations
/MEMBER_TIMEOUT qualifier
Merge operations
after a system failure
assisted
performance
automatic throttling
controlling with the SHADOW_MAX_COPY parameter
example
multiple simultaneous
purpose
transitions in shadow set membership
unassisted
Messages
displayed for unregistered nodes
mount verification
OPCOM
shadow server #1
shadow server #2
system service
VOLPROC
Minicopy operations
definition
getting a dump file
performance
purpose
required steps
restrictions
starting
Minimerge operations
actions during system failure
after a system failure #1
after a system failure #2
configuring for system disk
controllers supporting
disabling
disabling on HSC controller
enabling
overview
performance #1
performance #2
write log entries
Mirroring
disks
MNT$_SHAMEM item code
MNT$_SHANAM item code
MODPARAMS.DAT file
editing in an OpenVMS Cluster
example
setting parameters in
MOUNT command
adding shadow set members
/CLUSTER qualifier #1
/CLUSTER qualifier #2
/CLUSTER qualifier #3
/COPY qualifier
creating a write bitmap
format
/INCLUDE qualifier
/NOASSIST qualifier
/NOMOUNT_VERIFICATION qualifier
/OVERRIDE=IDENTIFICATION qualifier
/OVERRIDE=SHADOW_MEMBERSHIP qualifier
qualifiers #1
qualifiers #2
qualifiers #3
reconstructing shadow sets with /INCLUDE
required privileges #1
required privileges #2
starting a write bitmap
/SYSTEM qualifier
Mount utility
See MOUNT command
Mount verification
messages
Mounting
devices
shadow sets
virtual units
volume sets
MSCP (mass storage control protocol)
DCD commands
server
serving a shadow set
supported devices
MVTIMEOUT parameter
/MVTIMEOUT qualifier
N
Naming conventions
for shadow set
shadow set
virtual unit
NOFE (no forced error bit)
/NOMOUNT_VERIFICATION qualifier
O
OPCOM (Operator Communication Manager)
messages
OpenVMS Cluster systems
disaster-tolerant clusters
managing shadow set members
enhanced shadowing performance
interprocess communication
maximum number of shadow sets
mounting shadow sets
mounting the virtual unit
multiple-site clusters
shadowing across
providing high data availability
requirement for nonzero allocation class
shadowing across
updating system parameters
OPER privilege
required for MOUNT command
Operating systems
upgrading on a shadowed system disk
/OVERRIDE=IDENTIFICATION qualifier
/OVERRIDE=SHADOW_MEMBERSHIP qualifier
P
PAKs (Product Authorization Keys)
registering
Parameters
See System parameters
Performance
assisted copies #1
assisted copies #2
assisted copies #3
assisted merge operations
automatic merge throttle
controlling copy operations with SHADOW_MAX_COPY
for read I/O requests
merge assists
minimerge
of a shadow set
steady state
transient state
write log entries
Performance assists
copy operation
merge operation
Preferred path
setting for controllers
Privileges
OPER
SYSNAM #1
SYSNAM #2
VOLPRO
Product Authorization Keys
See PAKs

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