HSZ80 Array Controller ACS Version
Page
Japan USA
Page
Chapter
Creating Storagesets
Vii
CLI Commands
Viii
Appendix a
Page
Figures
Xii
Xiii
Tables
Xiv
Compaq Website Telephone Numbers
Getting Help
Xvi About This Guide
Precautions
Electrostatic Discharge Precautions
Component Precaution
Maintenance Port Precautions
Vhdci Cable Precautions
Xvii
Typographical Conventions
Conventions
Xviii About This Guide
Xix
Special Notices
Xx About This Guide
Required Tools
Xxi
Related Publications
Xxii About This Guide
Revision History
General Description
2General Description
Typical Installation
Basic Building Block
4General Description
Basic Building Blocks List
Summary of Controller Features
Summary of HSZ80 Features
6General Description
Bridging the Gap Between the Host and Its Storage Subsystem
HSZ80 Array Controller
8General Description
HSZ80 Array Controller
HSZ80 Array Controller
10General Description
Description of Parts
Description of Parts
12General Description
Parts of the Optional Maintenance Port Cable
EMU PVA
Operator Control Panel
14General Description
Maintenance Port
Utilities and Exercisers
Fault Management Utility
Virtual Terminal Display
Clone Utility
Configuration Utility
Disk Inline Exerciser
Code Load and Code Patch Utility
Change Volume Serial Number Utility
Field Replacement Utility
Device Statistics Utility
Cache Module
Cache Module Memory Configurations
18General Description
Location of Cache Module Parts
20General Description
Caching Techniques
Read Caching
Read-Ahead Caching
Write-Back Caching
Write-Through Caching
22General Description
Fault-Tolerance for Write-Back Caching
Nonvolatile Memory
Cache Policies Resulting from Cache Module Failures
Cache Policies and Cache Module Status
Failover to controller B
24General Description
Resulting Cache Policies and ECB Status
26General Description
Through caching to its units Less than
28General Description
10 ECB Capacity Based on Memory Size
External Cache Battery
30General Description
11 Location of Parts
Battery Hysteresis
Charging Diagnostics
Page
Configuring an HSZ80 Array Controller
2Configuring an HSZ80 Array Controller
Configuration Rules
Introduction
Few Tips
Configuring an HSZ80 Array Controller
4Configuring an HSZ80 Array Controller
Location of Parts for a Single Controller Configuration
Configuring a Single Controller
6Configuring an HSZ80 Array Controller
SET Thiscontroller HOSTFUNCTION= ID, Mode
8Configuring an HSZ80 Array Controller
Connecting a Single Controller to the Host
10Configuring an HSZ80 Array Controller
Location of Parts for Transparent Failover
SET Failover Copy = Thiscontroller
12Configuring an HSZ80 Array Controller
Restart Othercontroller Restart Thiscontroller
14Configuring an HSZ80 Array Controller
Connecting in Transparent Failover Mode to the Host
16Configuring an HSZ80 Array Controller
Location of Parts for Multiple-Bus Failover
SET Multibusfailover Copy = Thiscontroller
18Configuring an HSZ80 Array Controller
Restart Othercontroller Restart Thiscontroller
20Configuring an HSZ80 Array Controller
Connecting in Multiple-Bus Failover Mode to the Host
Optional Steps
22Configuring an HSZ80 Array Controller
Change the CLI prompt
Set the maximum data-transfer rate
UPS Support
24Configuring an HSZ80 Array Controller
Setting the PVA Module ID Switch
Establishing a Local Connection to Controller
26Configuring an HSZ80 Array Controller
PC/Terminal to Maintenance Port Connection
This Controller and Other Controller
28Configuring an HSZ80 Array Controller
Using Transparent Failover Mode
Selecting a Failover Mode
30Configuring an HSZ80 Array Controller
Using Multiple-Bus Failover Mode
Enabling Mirrored Write-Back Cache
Selecting a Cache Mode
32Configuring an HSZ80 Array Controller
Fault-Tolerance
Host Scsi Bus
Setting Scsi Target ID Numbers
Device Scsi Bus
34Configuring an HSZ80 Array Controller
Using Preferred ID Numbers
Page
Creating Storagesets
2Creating Storagesets
Disk drives
4Creating Storagesets
Planning and Configuring Storagesets
Creating a Storageset and Device Profile
Type of Storageset
Creating Storagesets
Determining Storage Requirements
For Disk Array Technology
Choosing a Storageset Type
A Comparison of Different Kinds of Storagesets
8Creating Storagesets
Using Stripesets to Increase I/O Performance
10Creating Storagesets
Considerations for Planning a Stripeset
Distribute Members across Ports
12Creating Storagesets
Using Mirrorsets to Ensure Availability
Mirrorsets Maintain Two Copies of the Same Data
Considerations for Planning a Mirrorset
First Mirrorset Members on Different Buses
14Creating Storagesets
Using RAIDsets to Increase Performance Availability
16Creating Storagesets
Considerations for Planning a RAIDset
Page
Striping and Mirroring in the Same Storageset
18Creating Storagesets
Considerations for Planning a Striped Mirrorset
20Creating Storagesets
Cloning Data for Backup
Clone Steps for Duplicating Unit Members
22Creating Storagesets
Example
Use available device DISK20400size=832317 for member
DISK20000size=832317 y,n y ? y
24Creating Storagesets
Saving Subsystem Configuration Information to a Single Disk
Backing Up Your Subsystem Configuration
26Creating Storagesets
Saving Subsystem Configuration Information to a Storageset
Controller
Displaying the Status of the Save Configuration Feature
Cache
28Creating Storagesets
Notransportable
Restoring Node IDs
Node IDs
30Creating Storagesets
Page
32Creating Storagesets
Assigning Unit Numbers for Host Access to Storagesets
LUN
Unit Numbering Examples
34Creating Storagesets
Creating a Storageset Map
10. Storageset Map
36Creating Storagesets
Device PTL Addressing Convention within Controller
Locate devicename
11. PTL Naming Convention
Device port numbers Target Numbers
38Creating Storagesets
13. Locating Devices using PTLs
Defining a Partition
Planning Partitions
40Creating Storagesets
Guidelines for Partitioning Storagesets Disk Drives
42Creating Storagesets
Choosing Switches for Storagesets Devices
Enabling Switches
Changing Switches
Replacement Policy
RAIDset Switches
Reconstruction Policy
44Creating Storagesets
Membership
Mirrorset Switches
Read Source
Copy Speed
46Creating Storagesets
Disaster Tolerance Support
Transportability
Device Switches
48Creating Storagesets
Device Transfer Rate
50Creating Storagesets
Local/Remote
Dtsupport
Chunk Size
Initialize Switches
52Creating Storagesets
Increasing the Request Rate
16. Chunk Size Smaller than the Request Size
Increasing the Data Transfer Rate
54Creating Storagesets
Increasing Sequential Write Performance
Maximum Chunk Size for RAIDsets
Maximum Chunk Sizes for a RAIDset
Considerations for Saving the Configuration
Save Configuration
56Creating Storagesets
Destroy/Nodestroy
Unit Switches for Storagesets
Unit Switches
58Creating Storagesets
Configuring Storagesets
Adding One Disk Drive at a Time
2Configuring Storagesets
ADD Disk DISKnnnn ptl-location switchvalue
Adding Disk Drives
Configuring a Stripeset
Initialize mirrorset-name switch
Configuring a Mirrorset
4Configuring Storagesets
ADD Mirrorset mirrorset-name DISKnnnn DISKnnnn switch
Show mirrorset-name
ADD Unit unit-number mirrorset-name switch
Initialize RAIDset-name switch
Configuring a RAIDset
6Configuring Storagesets
ADD Raidset RAIDset-name DISKnnnn DISKnnnn DISKnnnn switch
Show RAIDset-name
Configuring a Striped Mirrorset
ADD Stripeset stripeset-name mirrorset1 mirrorset2
8Configuring Storagesets
ADD Unit unit-number DISKnnnn switchvalue
Configuring a Single-Disk Unit
Partitioning a Storageset or Disk Drive
10Configuring Storagesets
Show storageset-name
Initialize storageset-name switch
12Configuring Storagesets
Adding a Disk Drive to the Spareset
14Configuring Storagesets
Removing a Disk Drive from the Spareset
Enabling Autospare
Delete storageset-name
16Configuring Storagesets
Deleting a Storageset
Delete unit-number
Changing Device Switches
Changing Switches for a Storageset or Device
Displaying the Current Switches
Changing RAIDset and Mirrorset Switches
Changing Unit Switches
Changing Initialize Switches
18Configuring Storagesets
Enabling and Disabling the CCL
Configuring with the Command Console LUN
Finding the CCL Location
SCSI-2 Mode
SCSI-3 Mode
20Configuring Storagesets
Adding Storage Units with the CCL
Troubleshooting with the CCL
22Configuring Storagesets
Host Modes
Configuring Units with Multiple Hosts
IBM AIX
24Configuring Storagesets
Setting Host Modes
26Configuring Storagesets
Transparent Failover Mode
Designating the Port
Accessing Units on a Given Port
Designating the Host Scsi ID Number
28Configuring Storagesets
Scsi ID
Designating the Port and Designating the Host Scsi ID Number
30Configuring Storagesets
SET this PORT1ID = SET this PORT2ID =
32Configuring Storagesets
Multiple-Bus Failover Mode
Assigning Units through Multiple Host Adapters
34Configuring Storagesets
Moving a Storageset from one Subsystem to Another
Moving Storagesets
ADD Disk disk-name PTL-location
36Configuring Storagesets
Locate disk-name
Delete disk-name
ADD Unit unit-number storageset-name
ADD storageset-name disk-name disk-name
Move disk drives to their new location
38Configuring Storagesets
CLI Commands
CLI Overview
Using the CLI
Command Overview
2CLI Commands
Getting Help
Entering CLI Commands
SET Thiscontroller ?
4CLI Commands
Recall and Edit Command Keys
Unit Naming
Unit Number
Changing the CLI Prompt
Command Syntax
6CLI Commands
Command parameter Switches
Syntax
ADD Disk
Parameters
Remote
Switches
8CLI Commands
Transportable
ADD Disk DISK40200 4 2 0 Transportable
TRANSFERRATEREQUESTED=20MHZ Default
TRANSFERRATEREQUESTED=ASYNCHRONOUS
TRANSFERRATEREQUESTED=10MHZ TRANSFERRATEREQUESTED=5MHZ
ADD Disk DISK200 2 0 0 Remote
10CLI Commands
See also
Initialize DISK20000 2 0 ADD Unit D199 DISK20000
COPY=FAST
ADD Mirrorset
POLICY=BESTFIT
12CLI Commands
POLICY=BESTPERFORMANCE Default
Dtsupport Nodtsupport
READSOURCE=ROUNDROBIN
READSOURCE=disk-name READSOURCE=LEASTBUSY Default
ADD Mirrorset MIRR1 DISK10000 DISK20100 DISK30200
14CLI Commands
Initialize MIRR1 ADD Unit D104 MIRR1
Initialize Mirror Reduce
ADD Disk ADD Unit
Show Mirrorsets Show Storagesets Unmirror
ADD Passthrough passthrough-name scsi-port-target-lun
16CLI Commands
ADD Passthrough
Parameter
ADD Passthrough TAPE20300 2 3 ADD Unit P100 TAPE20300
Show Devices Show Passthrough
18CLI Commands
Show passthrough-name
RAIDset-name
ADD Raidset
RECONSTRUCT=NORMAL Default
20CLI Commands
RECONSTRUCT=FAST
Initialize RAID8
Noreduced Default
Reduced
ADD Raidset RAID9 DISK10000 DISK20100 DISK30200
SET Raidset Show Raidset
22CLI Commands
ADD Unit D70 RAID8
ADD Raidset RAID6 DISK10300 DISK20400 DISK30200 Reduced
Disk-name
ADD Spareset
ADD Spareset DISK20200 ADD Spareset DISK30300
Delete Spareset Show Spareset Show Storagesets
Container-name1 container-name2 container-nameN
24CLI Commands
ADD Stripeset
Stripeset-name
Initialize STRIPE1 ADD Unit D103 STRIPE1
ADD Stripeset STRIPE1 DISK10000 DISK20100 DISK30200
ADD Unit ADD Mirrorset
26CLI Commands
Initialize Show Storageset Show Stripeset
ADD Unit unit-number container-name
ADD Unit
Unit-number
28CLI Commands
ADD Unit Switches for Storagesets
Page
PARTITION=partitionnumber
30CLI Commands
MAXIMUMCACHEDTRANSFER=32 Default MAXIMUMCACHEDTRANSFER=n
Nopreferredpath Default
Noreadaheadcache
Readcache Default
Readaheadcache Default
Noreadcache
Nowritebackcache
32CLI Commands
Norun
Nowriteprotect
ADD Unit D102 DISK10000 PREFERREDPATH=THISCONTROLLER
Show Units
34CLI Commands
Createpartition
Delete unit-number SET unit-number
Clearerrors Clearerrors Clearerrors Clearerrors
Clearerrors CLI
Clearerrors CLI
Clearerrors CLI
36CLI Commands
Clearerrors controller Invalidcache
Controller
Examples
Device-name
Clearerrors device-nameUNKNOWN
38CLI Commands
Clearerrors DISK30000 Unknown
See also
40CLI Commands
Clearerrors unit-numberLOSTDATA
Clearerrors D103 Lostdata
See also
Unwriteabledata
Clearerrors unit-number
42CLI Commands
Clearerrors D103 Unwriteabledata
See also
Configuration Restore Configuration Save Initialize
Configuration Reset
44CLI Commands
Configuration Reset
Configuration Restore
Configuration Restore
Configuration Reset Configuration Save Initialize
46CLI Commands
Configuration Reset Configuration Restore Initialize
Configuration Save
SIZE=percent
48CLI Commands
Createpartition
Createpartition container-name SIZE=percent
CAPACITY= CYLINDERS= HEADS= SECTORSPERTRACK=
Destroy Partition Show
50CLI Commands
Delete STRIPE1
Delete DISK10000
Delete Failedset Delete Spareset Unmirror
52CLI Commands
Delete RAID9
Delete Failedset DISK20200
Delete Failedset
SET Failedset Show Failedset
ADD Spareset Show Spareset
Delete Spareset
54CLI Commands
Delete Spareset DISK20300
Delete D103
Delete unit-number
ADD Unit Clearerrors Lostdata
56CLI Commands
Delete Failedsets Delete Sparesets Destroypartition
Destroypartition container-name PARTITION=partition-number
Destroypartition
Partition-number
Delete D102 Destroypartition RAID9 PARTITION=2
58CLI Commands
Directory
Directory
RUN
Help
60CLI Commands
Help
Help
Your options are
SET ?
Initialize
62CLI Commands
Initialize container-name
CHUNKSIZE=DEFAULT Default CHUNKSIZE=n
Nosaveconfiguration Default
64CLI Commands
Destroy Default
Saveconfiguration
Show Devices Full
Initialize DISK10000 Saveconfiguration
Reduce DISK40400 Initialize DISK40400 Nodestroy
66CLI Commands
ALL
Cancel
Locate
Locate parameter
Units
68CLI Commands
Disks
PTL SCSI-location
Locate D102
Locate DISK10000 Locate Cancel
Locate Disks
Mirror
70CLI Commands
Mirror disk-name mirrorset-name
POLICY=BESTFIT POLICY=BESTPERFORMANCE
Nopolicy Default
72CLI Commands
ADD Mirrorset Reduce Show Mirrorsets Unmirror
Overridebadflush
Poweroff
74CLI Commands
Battery on
SECONDS=nn
Poweroff Switch Settings
Poweroff SECONDS=10
76CLI Commands
Reduce
Reduce disk-name1 disk-name2 disk-name3
78CLI Commands
Disk-name1 disk-name2 disk-name3
Show Mirrorsets
Show STRIPE1
ADD Mirrorset RUN Clone Show Mirrorset
80CLI Commands
SET mirrorset-name
New-container-name
Rename
Rename old-container-name new-container-name
Old-container-name
Rename DISK10000 Mydisk Show Disks
82CLI Commands
Noignoreerrors Default
Ignoreerrors
Restart controller
Restart Othercontroller
84CLI Commands
Immediateshutdown
Restart Thiscontroller
Retryerrors D103 Unwriteabledata
Retryerrors unit-number
Program-name
86CLI Commands
RUN
RUN program-name
Page
RUN Dilx
88CLI Commands
Selftest controller
Selftest controller
Restart controller Shutdown controller
90CLI Commands
Selftest Othercontroller Ignoreerrors
Selftest Thiscontroller
SET controller
SET controller Switches
Thiscontroller
92CLI Commands
Cacheups
CACHEFLUSHTIMER=n CACHEFLUSHTIMER=10 Default
Nocacheups Default
Allocationclass
HOSTFUNCTION=mode HOSTFUNCTION=ID,mode
94CLI Commands
Commandconsolelun
Nocommandconsolelun Default
NODEID=nnnn-nnnn-nnnn-nnnn checksum
Mirroredcache
96CLI Commands
NOPORT1ID
NOPORT2ID
Page
NOPORT1PREFERREDID
98CLI Commands
NOPORT2PREFERREDID
TERMINALPARITY=ODD TERMINALPARITY=EVEN
SCSIVERSION=SCSI-2 Default
TERMINALSPEED=baudrate TERMINALSPEED=9600 Default
SCSIVERSION=SCSI-3
Maximum SCSI-Bus Lengths for Given Data Transfer Rate
100CLI Commands
Show Thiscontroller Show Othercontroller
101
SET Othercontroller PROMPT=CONTROLLER B
SET Thiscontroller PORT1ID=2,5
SET device-name
102CLI Commands
103
SET DISK10300 Remote
104CLI Commands
SET DISK20000 TRANSFERRATEREQUESTED=5MHZ
SET DISK10300 Transportable
105
SET EMU
SET EMU
FANSPEED=HIGH
EMU Set Point Temperatures
106CLI Commands
FANSPEED=AUTOMATIC Default
SET EMU SENSOR2SETPOINT=34
107
SET EMU FANSPEED=HIGH
Autospare Noautospare
108CLI Commands
SET Failedset
SET Failedset
SET Failedset Autospare
109
SET DISK10000 Transportable
Init DISK10000
SET Failover
110CLI Commands
Thiscontroller Othercontroller
SET Failover COPY=THISCONTROLLER
111
SET Multibusfailover SET Nofailover SET Nomultibusfailover
SET mirrorset-name
112CLI Commands
MEMBERSHIP=number-of-members
113
REMOVE=disk-name
114CLI Commands
REPLACE=disk-name
115
SET MIRR1 POLICY=BESTFIT
116CLI Commands
ADD Mirrorset Reduce Show Mirrorset Unmirror
117
SET MIRR1 REMOVE=DISK30000
SET MIRR1 REPLACE=DISK30200
SET Multibusfailover
118CLI Commands
SET Failover SET Nofailover SET Nomultibusfailover
119
Destroyunflushabledata
120CLI Commands
Nodestroyunflushabledata Default
SET Nofailover
SET Nofailover
121
SET Failover SET Multibusfailover SET Nomultibusfailover
SET Nomultibusfailover
122CLI Commands
SET Nomultibusfailover Destroyunflushabledata
123
SET Failover SET Multibusfailover SET Nofailover
SET RAIDset-name
124CLI Commands
125
SET RAID9 POLICY=BESTFIT
126CLI Commands
SET RAID9 REMOVE=DISK10000
SET RAID9 REPLACE=DISK20100
127
ADD Raidset Show Raidsets
SET unit-number
128CLI Commands
129
130CLI Commands
131
MAXIMUMCACHEDTRANSFER=n MAXIMUMCACHEDTRANSFER=32 Default
ERRORMODE=NORMAL ERRORMODE=FAILSAFE
132CLI Commands
133
134CLI Commands
SET D102 Writeprotect Noreadcache
135
Show EMU
136CLI Commands
Show
Show controller Show device-name Show device-type
Storageset-name
137
Device-type
EMU
Full
138CLI Commands
139
Show MIRR1
140CLI Commands
Show Mirrorset Full
Show Thiscontroller Full
141
Show EMU
142CLI Commands
143
Shutdown controller
Shutdown Thiscontroller
144CLI Commands
Restart controller Selftest controller
145
Unmirror
Unmirror DISK10300
ADD Mirrorset Reduce RUN Clone
146CLI Commands
System Profiles
2System Profiles
Device Profile
Reduced Membership
Storageset Profile
4System Profiles
Enclosure Template
Controller Specifications
2Controller Specifications
Physical and Electrical Specifications for Controller
Optimum Operating Environmental Specifications
Environmental Specifications
Table B-4 Maximum Nonoperating Environmental Specifications
Table B-3 Maximum Operating Environmental Specifications
4Controller Specifications
Glossary
Bit
GL-2Glossary
CSR
Data striping
GL-4Glossary
See ECB
Dual-simplex
FD Scsi
GL-6Glossary
IBR
Operation
GL-8Glossary
Mist
Normal member
GL-10Glossary
PCM
PTL
GL-12Glossary
RAIDset
RFI
GL-14Glossary
SCSI-P cable
Storage subsystem
GL-16Glossary
Synchronous
GL-17
Vhdci
GL-18Glossary
GL-19
Page
ADD Unit unit-number container-name,5-27Adding
ADD Passthrough passthrough-name scsi-port-target-lun,5-16
ADD Raidset RAIDset-name container- nameN
ADD Stripeset stripeset-name container- nameN
2Index
Batteryoff Poweroff Batteryon Poweroff
AUTOSPARE, 4-15SET Failedset
Lostdata
Cacheups
Capacity CREATEPARTITION, 5-49INITIALIZE
Chunksize Initialize
SET MULTIBUSFAILOVER, 5-118SET Nofailover
4Index
Page
Copy
6Index
Cylinders CREATEPARTITION, 5-49INITIALIZE
Destroyunflushabledata SET Nofailover SET Nomultibusfailover
Disks
Disableaccesspath ADD Unit
8Index
Dilx
Errormode
Enableaccesspath ADD Unit
ECB
Index
Saveconfiguration
Nosaveconfiguration
ADD Disk
SET mirrorset-name,5-113Membership
PTL SCSI-location,5-68unit-number,5-68UNITS
Maximumcachedtransfer ADD Unit
Membership
Nopolicy ADD RAIDSET, 5-20NOPORT1ID
Nooverridebadflush Poweroff Noautospare SET Failedset
Nodeid
INVALIDCACHE, 5-36NODTSUPPORT
Noreadcache
Overridebadflush Poweroff
NOPORT2TRANSFERRATEREQUEST ED
Nopreferredpath
PORT1ID
Show device-type,5-137Path
PORT2ID
Prompt
Preferredpath
SET controller, 5-98Protocol
SET mirrorset-name,5-116
SET mirrorset-name,5-114
SET RAIDset-name,5-125
Rename old-container-name new-container
RUN program name
PORT2PREFERREDID PORT2TRANSFERRATEREQUESTE D
PORT1PREFERREDID PORT1TRANSFERRATEREQUESTE D
WRITEPROTECT, 5-133WRITEBACKCACHE
Show storageset-name,5-137SHOW storageset-type,5-137
Passthrough
Size Createpartition
TRANSFERRATEREQUESTED, 3-49TRANSPORTABLE
SET controller, 5-99Tip, defined, xix Tools, xx Topology
Time
TRANSFERRATEREQUESTED, 3-49ADD Disk
Vtdpy
Writeprotect