Document revision date: 19 July 1999
Volume Shadowing for OpenVMS
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S
Satellite nodes
booting shadowed
DECnet database example
distributing shadow set members across
LANCP database example
SCB (storage control block)
BACKUP revision number
information
proper dismount
read at boot time
volume label
volume shadowing generation number
SCSI (Small Computer Systems Interface)
devices that cannot be shadowed
hardware compliance
support for compliant hardware
support for compliant hardware
third-party compliance
SDA (System Dump Analyzer utility)
See System Dump Analyzer utility
Servers
MSCP
shadow server messages
/SHADOW qualifier
Shadow servers
messages #1
messages #2
Shadow set members
inaccessibility because of failures
modifying individual
naming
transferring changes
Shadow sets
accessed through MSCP server
adding members #1
adding members #2
additional members
backing up
clusterwide
components
configuration examples
copy operations
crash dumping to system disk
creating #1
creating #2
with SYS$MOUNT system service #1
with SYS$MOUNT system service #2
definition
dismounting
with SYS$DISMOU system service
displaying information about
dissolving
with SYS$DISMOU system service
distributing #1
distributing #2
examining
with DCL command SHOW DEVICES
with F$GETDVI lexical function
with SDA
initializing members
maximum number #1
maximum number #2
merge operations
merge throttle
migrating to phase II #1
migrating to phase II #2
modifying individual members
mounting
a volume set #1
a volume set #2
with SYS$MOUNT system service #1
with SYS$MOUNT system service #2
overview
quorum disk
removing a member
removing member units
with SYS$DISMOU system service
satellite node
standalone BACKUP
state changes
steady-state performance
system disk
upgrading
transferring changes to members
SHADOWING parameter
SHADOW_MAX_COPY parameter
guidelines for setting
SHADOW_MBR_TMO parameter
SHADOW_SYS_DISK parameter
SHADOW_SYS_TMO parameter
SHADOW_SYS_UNIT parameter
SHADOW_SYS_WAIT parameter
SHOW DEVICES command
during copy operation #1
during copy operation #2
during merge operation
during steady state
overview #1
overview #2
sample sequence
shadow set member
specifying the virtual unit
Single systems
enhanced shadowing performance
Small Computer Systems Interface
See SCSI
Standalone BACKUP
Status messages
mount verification
OPCOM
shadow server #1
shadow server #2
VOLPROC
Steady state
actions during system failure
definition
performance
Storage control block
See SCB
Stripe sets
shadowed
Striping
and performance
SYS$DISMOU system service
condition values returned by
dismounting volumes with
SYS$GETDVI system service
getting information about volumes with
SYS$MOUNT system service
condition values returned by
item codes
mounting volumes #1
mounting volumes #2
shadow set item codes
shadowed volume sets
SYSGEN (System Generation utility)
See System parameters
SYSNAM privilege
required for DISMOUNT command
required for MOUNT command #1
required for MOUNT command #2
System configurations #1
System configurations #2
effect on performance
setting up
System disk shadow sets
booting from
booting satellite nodes
crash dumping to
SHADOW_SYS_DISK parameter #1
SHADOW_SYS_DISK parameter #2
SHADOW_SYS_TMO parameter
SHADOW_SYS_UNIT parameter
SHADOW_SYS_WAIT parameter
System disks
crash dumping to
migrating to phase II shadowing
shadowing across an OpenVMS Cluster
upgrading #1
upgrading #2
System Dump Analyzer utility (SDA)
checking SCSI compliance
dumping to a shadowed disk
examining a shadow set
example
System management
booting a system disk shadow set
on systems with volume shadowing
setting up a shadowing environment
System parameters
displaying current values
DUMPSTYLE #1
DUMPSTYLE #2
migrating to phase II shadowing
MVTIMEOUT parameter
setting in the MODPARAMS.DAT file
SHADOWING
shadowing
SHADOW_MAX_COPY #1
SHADOW_MAX_COPY #2
SHADOW_MBR_TMO
SHADOW_SYS_DISK
SHADOW_SYS_TMO
SHADOW_SYS_UNIT
SHADOW_SYS_WAIT
/SYSTEM qualifier
mounting shadow sets for systemwide access
System services
performing shadow set operations
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