Document revision date: 30 March 2001

Q
Quorum disk
R
RAID (redundant arrays of independent disks)
levels
Read requests
performance
/READ_COST qualifier
Recoveries
from controller errors
from data errors
from device failure
from system failures
from unit or drive errors
repair actions
repairing data
Redundant arrays of independent disks
See RAID
S
Satellite nodes
booting shadowed
DECnet database example
distributing shadow set members across
LANCP database example
SCBs (storage control blocks)
BACKUP revision number
proper dismount
read at boot time
volume label
volume shadowing generation number
SCSI (Small Computer Systems Interface)
disks that cannot be shadowed
hardware compliance
support for compliant hardware
third-party compliance
SDA (System Dump Analyzer utility)
See System Dump Analyzer utility
Servers
MSCP
shadow server messages
SET DEVICE command
qualifiers
SHAD$MERGE_DELAY_FACTOR logical name
SHAD$MERGE_DELAY_FACTOR_DSA logical name
/SHADOW qualifier #1
/SHADOW qualifier #2
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
examining
with DCL command SHOW DEVICE
with F$GETDVI lexical function
with SDA
initializing members
maximum number
members
merge operations
merge throttle
modifying individual members
mounting
a volume set
with SYS$MOUNT system service #1
with SYS$MOUNT system service #2
overview
quorum disk
removing a member
removing members
with SYS$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 #1
SHADOW_MAX_COPY parameter #2
guidelines for setting
SHADOW_MAX_UNIT system parameter
SHADOW_MBR_TIMEOUT parameter
SHADOW_MBR_TMO parameter
SHADOW_SYS_DISK parameter
SHADOW_SYS_TMO parameter
SHADOW_SYS_UNIT parameter
SHADOW_SYS_WAIT parameter
SHOW CLUSTER command
displaying write bitmap information
SHOW DEVICE command
displaying write bitmap information
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
/SITE qualifier
Standalone BACKUP
Status messages
mount verification
OPCOM
shadow server #1
shadow server #2
VOLPROC
Steady state
actions during system failure
definition
performance
Storage control blocks
See SCBs
Stripe sets
shadowed
Striping
and performance
SYLOGICALS.COM startup file
defining site location
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
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
dump file restriction
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 SYSGEN values
DUMPSTYLE #1
DUMPSTYLE #2
MVTIMEOUT parameter
setting in the MODPARAMS.DAT file
SHADOWING
shadowing
SHADOW_MAX_COPY #1
SHADOW_MAX_COPY #2
SHADOW_MAX_COPY #3
SHADOW_MAX_UNIT
SHADOW_MBR_TIMEOUT parameter
SHADOW_MBR_TMO
SHADOW_SYS_DISK
SHADOW_SYS_TMO
SHADOW_SYS_UNIT
SHADOW_SYS_WAIT
write bitmap
/SYSTEM qualifier
mounting shadow sets for systemwide access
System services
performing shadow set operations

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