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Manuals and User Guides for Silicon Graphics CHALLENGE RAID. We have
1
Silicon Graphics CHALLENGE RAID manual available for free PDF download: Owner's Manual
Silicon Graphics CHALLENGE RAID Owner's Manual (142 pages)
Brand:
Silicon Graphics
| Category:
Storage
| Size: 2.43 MB
Table of Contents
Table of Contents
3
List of Figures
7
About this Guide
11
1 Features of the CHALLENGE RAID Storage System
15
Figure 1-1 CHALLENGE RAID Storage System, Deskside Version
16
Figure 1-2 CHALLENGE RAID Rack
17
Storage System Components
19
SCSI-2 Interface
19
CHALLENGE RAID Storage-Control Processor
20
Figure 1-4 CHALLENGE RAID Server with One SP
20
Figure 1-5 Sps Connected to the same CHALLENGE Chassis
21
Storage System Chassis
22
Figure 1-7 Disk Module Locations (Chassis Front View)
22
Figure 1-8 SCSI-2 Bus and Internal Buses (Front View)
23
Disk Modules
24
Figure 1-9 Disk Modules and Status Lights
24
Data Availability and Performance
25
Data Redundancy
25
Enhanced Performance: Disk Striping
26
Enhanced Performance: Storage System Caching
26
Data Reconstruction and Rebuilding after Disk Module Failure
27
RAID Levels
28
RAID-0 Group: Nonredundant Array
28
RAID-1: Mirrored Pair
29
Figure 1-10 RAID-1 Mirrored Pair (Hardware Mirrored Pair)
29
RAID-1_0 Group: Mirrored RAID-0 Group
30
Figure 1-11 Distribution of User Data in a RAID-1_0 Group
31
RAID-5: Individual Access Array
32
Figure 1-12 Distribution of User and Parity Data in a RAID-5 Group
33
RAID Hot Spare
34
Figure 1-13 Hot Spare Example
35
Using the CHALLENGE RAID Command Line Interface
35
2 Storage System Configurations
37
Table 2-1 CHALLENGE RAID Configurations
38
Basic Configuration
39
Table 2-2 Error Recovery: Basic Configuration
39
Dual-Interface/Dual-Processor Configuration
40
Table 2-3 Error Recovery: Dual Interface/Dual-Processor
40
Figure 2-1 Dual-Interface/Dual-Processor Configuration Example
41
Split-Bus Configuration
42
Table 2-4 Error Recovery: Split-Bus Configuration
42
Figure 2-2 Split-Bus Configuration Example
44
Dual-Bus/Dual-Initiator Configuration
45
Table 2-5 Error Recovery: Dual-Bus/Dual-Initiator
46
Figure 2-3 Dual-Bus/Dual-Initiator Configuration Example
47
3 Operating the Storage System
49
Checking CHALLENGE RAID Storage System Status
50
Figure 3-1 CHALLENGE RAID Indicator Lights
50
Using the Raid5 Command
51
Getting Device Names with Getagent
52
Table 3-1 Output of Raid5 Getagent
52
Getting General System Information
53
Getting Information about Disks
53
Figure 3-2 Disk Module Locations
54
Table 3-2 Output of Raid5 Getdisk
55
Getting Information about Other Components
56
Displaying the CHALLENGE RAID Unsolicited Event Log
57
Table 3-3 Output of Raid5 Getcrus
57
Shutting down the CHALLENGE RAID Storage System
58
Restarting the CHALLENGE RAID Storage System
59
Figure 3-3 Turning off (On) Power
59
Figure 3-4 CHALLENGE RAID Indicator Lights
59
Figure 3-5 Unlocking the Fan Module
60
Figure 3-6 Enabling an Sp's Power
61
4 Configuring Disks
63
Binding Disks into RAID Units
63
Getting Disk Group (LUN) Information
67
Table 4-1 Output of Raid5 Getlun
68
Changing LUN Parameters
70
Dual Interfaces, Load Balancing, and Device Names
71
5 Maintaining Disk Modules
73
Identifying and Verifying a Failed Disk Module
73
Figure 5-1 Disk Module Status Lights
74
Figure 5-2 Disk Module Locations
75
Setting up the Workplace for Replacing or Installing Disk Modules
76
Replacing a Disk Module
77
Ordering Replacement Disk Modules
77
Table 5-1 Ordering Replacement Disk Modules
77
Unbinding the Disk
78
Removing a Failed Disk Module
79
Figure 5-4 Attaching the ESD Clip to the ESD Bracket on a Rack
80
Figure 5-5 Pulling out a Disk Module
81
Figure 5-6 Removing a Disk Module
82
Installing a Replacement Disk Module
83
Figure 5-7 Engaging the Disk Module Rail
83
Figure 5-8 Engaging the Disk Module Guide
84
Figure 5-9 Inserting the Replacement Disk Module
84
Updating the Disk Module Firmware
85
Installing an Add-On Disk Module Array
86
Ordering Add-On Disk Module Arrays
86
Table 5-2 Ordering Add-On Disk Module Sets
86
Installing Add-On Disk Modules
87
Figure 5-10 Marking the Label for Disk Module A0
88
Figure 5-11 Disk Drive Locations
89
Figure 5-12 Engaging the Disk Module Rail
89
Figure 5-13 Engaging the Disk Module Guide
90
Figure 5-14 Inserting a Disk Module
90
Creating Device Nodes and Binding the Disks
91
6 Identifying Failed System Components
93
Table 6-1 Field-Replaceable Units
93
Fan Module
94
Power Supply
94
Battery Backup Unit
95
Storage-Control Processor
95
Diagnosing SP Failure
95
Using the Auto-Reassign Capability
96
Figure 6-1 Unlocking the Fan Module
97
Figure 6-2 Opening the Fan Module
97
Figure 6-3 Disabling an Sp's Power
98
7 Caching
99
Setting Cache Parameters
100
Viewing Cache Statistics
101
Table 7-1 Output of Raid5 Getcache
102
Upgrading CHALLENGE RAID to Support Caching
104
Changing Unit Caching Parameters
105
Technical Specifications
107
Table A-1 CHALLENGE RAID Deskside Chassis Specifications
107
Table A-2 CHALLENGE RAID Rack Specifications
108
The Raid5 Command Line Interface
111
Table B-1 Raid5 Parameters
111
Bind
113
Chglun
116
Clearlog
118
Clearstats
118
Firmware
118
Getagent
119
Table B-2 Output of Raid5 Getagent
119
Getcache
120
Table B-3 Output of Raid5 Getcache
121
Getcontrol
123
Getcrus
123
Getdisk
124
Table B-4 Output of Raid5 Getcrus
124
Figure B-1 Disk Module Locations
125
Table B-5 Output of Raid5 Getdisk
126
Getlog
128
Table B-6 Getlog Error Codes
128
Getlun
130
Table B-7 Output of Raid5 Getlun
132
Setcache
134
Unbind
135
Index
137
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