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RAID Array 3000 storage subsystem
DEC RAID Array 3000 storage subsystem Manuals
Manuals and User Guides for DEC RAID Array 3000 storage subsystem. We have
1
DEC RAID Array 3000 storage subsystem manual available for free PDF download: User Manual
DEC RAID Array 3000 storage subsystem User Manual (94 pages)
storage subsystem
Brand:
DEC
| Category:
Storage
| Size: 2.11 MB
Table of Contents
Table of Contents
3
Revision Record
9
About this Guide
11
1 Product Overview
15
Product Description
15
RAID Array 3000 Part Numbers and Model Descriptions
17
Pedestal Features
18
Pedestal Cabinet
18
Pedestal Front Panel Major Components
19
Pedestal Rear Panel Power Supplies
19
Pedestal Components
20
Storageworks Building Blocks (Sbbs)
20
RAID Array Controller
20
Pedestal Power Supplies
21
Uninterruptable Power Supply
21
Environmental Monitor Unit (EMU)
22
EMU Circuit Board Location
22
Ultrascsi Bus
23
Pedestal Rear Panel Components
23
Ultrascsi Bus Configuration Switch
25
Slot Locations and SCSI ID Addresses
25
Specifications
26
Pedestal Physical and Power Specifications
27
2 RAID Array Controller
29
Controller Overview
29
Controller Features
30
Bridging the Gap between the Host and the Pedestal
30
Units Created from Storagesets, Partitions, and Disk Drives
31
Controller Specifications
32
Controller Reset and LED Indicators
34
Led/Reset Switch Interface
34
Flexible RAID Set Configuration
35
Controller Front Panel
35
Performance Enhancements
36
Custom Components
36
Efficient Write and Read Algorithms
36
RAID Levels Supported
38
Pedestal RAID Set Restrictions
38
Raid 0
39
RAID 0 Write
40
Raid 1
41
Raid 0+1
41
Raid 4
41
RAID Array Controller (Continued)
41
Diagram of a RAID 1 Write
41
RAID 0+1 Example
42
Diagram of a RAID 4 Write
43
Raid 5
44
Diagram of a RAID 5 Write
45
Jbod
46
System Parameters
46
System Parameters
47
Redundant Operation
48
Initialization
48
Message Passing
48
Failover
48
Environmental
49
Backup Power Management
49
Voltage Monitoring
50
Acceptable System Voltage Levels
50
Acceptable Termination Voltage Levels
51
Acceptable 12 Volt Levels
51
Temperature Monitoring
52
Acceptable External Temperature Voltage Levels
52
Acceptable Board Temperature Voltage Levels
52
3 Maintenance
53
Introduction
53
Pedestal Status and Power Leds
54
SBB Status Leds
54
Pedestal Status Leds
54
Controller Leds
55
Disk Drive Status Leds
55
Disk Drive SBB Status Leds
55
EMU Error Reporting
56
EMU Error Conditions
56
Replacing Components (Fru's)
57
Removing the Pedestal Door
57
Removing Pedestal Door
57
Replacing an SBB
58
Replacing a Power Supply
59
Replacing an SBB
59
Replacing a Power Supply
60
Replacing the RAID Array Controller
61
Removing the Controller from the Pedestal
61
Replacing the EMU Board
62
Replacing the UPS
64
Differential/Wide Ultrascsi Bus
64
Reconfiguring the SCSI Bus
65
SCSI Bus Length and External Cables
65
Assigned Slot Device Addresses in the Pedestal
65
Remove Screw and Panel
67
Location of SCSI Bus Configuration Switch
68
Configuration Switch
68
Replacing the Controller Memory Cache Modules
69
Remove Controller
69
Release Locking Clips
70
Install Replacement Modules
71
Pivot Module down to Secure
72
4 Expansion Pedestal Option
73
Product Description
73
Expansion Pedestal Cabinet
74
Expansion Pedestal Slot Locations and ID Addresses
75
Expansion Pedestal Components
76
Expansion Pedestal
76
Rear Panel Power Supplies
76
Reconfiguring Base Pedestal Ultrascsi Bus
77
EMU Circuit Board Location
77
Remove Side Cover from Base Pedestal
79
Remove SCSI Bus Terminator
79
Disconnect SCSI Cable
80
Connect SCSI Jumper
80
Remove Connector Knockout Plate
81
Connect SCSI Cable
82
Set Configuration Switch to 7
82
Configuration Switch
83
Reconfigured SCSI Bus Addresses
83
Connect SCSI Cable between Pedestals
84
Power Cable Connections
85
Transfer Drives from Base to Expansion Pedestal
86
5 Second Controller Option
87
Introduction
87
Installation Procedure
88
RAID Array 3000 Pedestal Enclosure (Drives Optional)
88
Insert Module into SIMM Connector
89
Pivot Module down to Seat
90
Remove Controller from Top Slot
90
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