Updated: 11 December 1998

Guidelines for OpenVMS Cluster Configurations

P
Packet loss
on extended LANs
Packet sizes
in extended LANs
Page and swap disks
PAGEDYN system parameter
Parameters
setting SCSI
Path identifiers
Fibre Channel
Fibre Channel multipath
See also Device IDs
Paths
current #1
current #2
polling
multiple
precedence order
selection
polling
primary
PATHWORKS
PEDRIVER
congestion control
Performance
application
data transfer rates
SCSI storage
system
tape
tertiary storage
Performance requirements
Peripheral devices
PMDRIVER #1
PMDRIVER #2
Polling
paths
Polling parameters
Polling timers
POLYCENTER Capacity Planner #1
POLYCENTER Capacity Planner #2
POLYCENTER management software
Port allocation classes
See Allocation classes
Print queues
availability features
sharing clusterwide
Process quotas
increasing
Processor configurations
OpenVMS Cluster system
Processors
availability
characteristics
requirements
Propagation delays
in extended LANs
Q
QDSKINTERVAL system parameter
QMAN$MASTER.DAT file #1
QMAN$MASTER.DAT file #2
QMAN$MASTER.DAT file #3
Queue managers
multiple
Queuing delays
in extended LANs
Quorum
definition
Quorum disk
strategies
watchers
R
RAID (redundant arrays of independent disks)
disk striping (level 0) #1
disk striping (level 0) #2
disk striping (level 0) #3
disk striping (level 0) #4
disk striping (level 0)
hot files
disk striping with parity (level 5)
SCSI storage
volume shadowing (level 1)
Read/write ratio
I/O throughput
RECNXINTERVL system parameter #1
RECNXINTERVL system parameter #2
Redundancy
backup copies
boot servers
CI
components #1
components #2
data
disks
Ethernet bridges
Ethernet segments
I/O paths
interconnects
LAN adapters
scaling
system disk
Redundant arrays of independent disks
See RAID
Reliability
hardware
Reliable Transaction Router
Requirements
Bellcore Communications Research
OpenVMS Cluster
Resources
availability consideration
sharing
Retransmission timeout rate
RIGHTSLIST.DAT file
Ring latency
calculating
RMS
role in OpenVMS Cluster
Roots
system
S
Satellite OpenVMS Cluster systems
highly available
Satellites
definition #1
definition #2
proximity to servers
Scalability
alternative capabilities
definition
growth dimensions
I/Os
in CI OpenVMS Cluster systems
in DSSI OpenVMS Cluster systems
in MEMORY CHANNEL OpenVMS Cluster systems
in OpenVMS Cluster systems with satellites
in SCSI OpenVMS Cluster systems
planning an OpenVMS Cluster
processing and storage
processor capacity
requirements
strategies for achieving
SCS (System Communications Services)
role in OpenVMS Cluster
SCSI bus
See SCSI interconnect
SCSI configurations
configuring device IDs
configuring SCSI node IDs
configuring with CLUSTER_CONFIG.COM
fast wide OpenVMS Cluster
four-node Ultra SCSI OpenVMS Cluster
hardware
add-on SCSI adapters
BA350/BA353 StorageWorks enclosures
DWZZx converters
HSZ40 controller
multipath
requirements
transparent failover
multiported storage controllers
requirements
three-node fast wide OpenVMS Cluster
three-node fast wide OpenVMS Cluster with SCSI hub
two-node fast wide OpenVMS Cluster with HSZ storage
SCSI disks
accessing
configuration requirements
modes of operation
unique device IDs
SCSI interconnect
adapters
advantages
ANSI standard
arbitration rules #1
arbitration rules #2
bus resets #1
bus resets #2
cabling and termination
concepts
connected to a single host
connected to multiple hosts
control of
data transfer rates
definition
grounding requirements
hot plugging devices with
installation
maximum distances
maximum distances of
maximum length
number of devices supported
performance
power up and verify
scalability
show and set console parameters
storage
supported devices
TERMPWR line
troubleshooting
Security requirements
Servers
capacity
proximity to satellites
SET DEVICE/[NO]POLL command
SET DEVICE/PATH command
SET UNIT PREFERRED_PATH command
Shadowing
See Volume Shadowing for OpenVMS
SHADOW_MAX_COPY system parameter
Shared storage
Show Cluster utility
SHOW DEVICE/FULL command
SHOW DEVICE/MULTIPATH_SET command
Single-ended signaling
for SCSI
Single points of failure
reducing
servers and disks
Site-specific utilities
storage requirements
Small Computer Systems Interface
See SCSI
SMP #1
SMP #2
SMP #3
SMP #4
Software
availability strategies #1
availability strategies #2
Solid-state disks #1
Solid-state disks #2
SONET OC-3 Intersite Link Specifications
Spare components
Standards
Star coupler expanders
Star couplers
capacity limits
scaling
State transitions
guidelines
Storage
access
calculating growth
CI-based
determining availability requirements
DSSI-based
host-based
local adapters
management strategies
performance optimizers
scaling
shared, direct access
space requirements
Storage capacity
definition
Storage controllers
Fibre Channel
dual-ported
multiported
Storage devices
corresponding interconnects
definition
estimating capacity requirements
managing
Storage enhancement software
Storage Library System (SLS)
Storage requirements
archival
capacity
databases
for extensive users
for moderate users
for occasional users
growth
layered products
of OpenVMS operating system
page, swap, and dump files
site-specific utilities
third-party products
user data
user-written programs
StorageTek® 4400 ACS
StorageWorks
BA350/BA353 enclosures
definition
Striping
See Disk striping
Sybase® software
SYLOGICAL.COM procedure
on system disk
System Communications Services
See SCS
System disks
availability
multiple
advantages
redundancy
shadowing for OpenVMS Cluster availability
single #1
single #2
single versus multiple
strategies
System files
managing
System management
AUTOGEN command procedure
availability strategies
ease of
methods and tools
multiple-site OpenVMS Cluster systems
operating environments
proactive
products
software
tools #1
tools #2
System parameters
EXPECTED_VOTES #1
EXPECTED_VOTES #2
for OpenVMS Clusters with satellites
LOCKDIRWT
MPDEV_D1
MPDEV_ENABLE
MPDEV_LCRETRIES
MPDEV_POLLER
MPDEV_REMOTE
MSCP_LOAD
multipath
NPAGEDYN
PAGEDYN
polling
polling timers
RECNXINTERVL
SHADOW_MAX_COPY
updating
VOTES
System roots
System specifications
Systems
comparison of types
maximum DSSI adapters
scaling
SYSUAF.DAT files #1
SYSUAF.DAT files #2
SYSUAF.DAT files #3
multiple

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