Seagate ST39173WC Specifications download pdf (Page 55)

Chapter 3 RAID Manager Installation and Configuration 3-11

3.4.2.3 Parity Repair

With RAID 3 and RAID 5, data blocks are assumed to be good. Parity blocks are

regenerated by parityck (1M) with the proper options. See the man page

parityck (1M) for further details.

3.4.2.4 Multi-host Environment

■ Only 1 host in a cluster should be capable of running parityck.

■ Each host in a box sharing environment can run parityck.

1 2 ... 50 51 52 53 54 55 56 57 58 59 60 ... 121 122

Sun StorEdge 1
A1000 and 1
A3x00/A3500FC Best Practices 1
Contents 3
Contents v 5
Contents vii 7
Figures ix 9
Tables xi 11
Before You Read This Book 13
How This Book Is Organized 14
Using UNIX Commands 14
Typographic Conventions 15
Shell Prompts 15
Related Documentation 16
Accessing Sun Documentation 17
Sun Welcomes Your Comments 17
Troubleshooting Overview 19
A3x00/A3500FC disk array 20
1.2.1 Documentation 21
1.2.2 Web Sites 22
1.2.3 Internal Directory 22
Supported 23
1.2.6 Serial Cable 23
1.3 Tips for Filing a Bug 24
1.4 FINs and FCOs 24
Date Product Description 25
Hardware Installation and 31
Configuration 31
2.1 New Installation 32
2.1.3 Power Sequencer 33
2.1.4 Local/Remote Switch 33
Switch Settings 34
2.1.7 World Wide Name (WWN) 35
Existing A3x00 Arrays 36
Chaining Configurations 40
2.7 Supported Configurations 41
2.7.2 Onboard SOC+ 42
2.7.6 HBAs 43
2.8 SCSI to FC-AL Upgrade 44
RAID Manager Installation and 45
3.1.1 Software Installation 46
3.1.2 Software Configuration 47
3.2 LUN Creation/RAID Level 49
3.2.2 LUN Numbers 50
3.2.3 The Use of RAID Levels 50
3.2.4 Cache Mirroring 50
3.2.5 Reconstruction Rate 51
3.2.7 DacStor Size (Upgrades) 52
3.4.1 NVSRAM Settings 53
3.4.2 Parity Check Settings 54
3.4.2.3 Parity Repair 55
4.1 Installation 58
4.2 Solaris Kernel Driver 58
0 0x0 0x0 0x0 0xe 0x12 59
4.3 format and lad 60
4.3.1 Volume Labeling 61
4.4.1 Removing Ghost Drives 64
4.5 Device Tree Rearranged 65
4.5.1.1 Workaround 66
4.6 SNMP 67
Managers 68
4.7.3 Sun Cluster 69
4.7.4 High Availability (HA) 69
4.7.5 Quorum Device 70
Maintenance and Service 71
5.1.1 Disk Drives 73
5.1.2 Disk Tray 74
5.1.3 Power Sequencer 75
5.1.4 SCSI Cables 76
5.1.5 SCSI ID Jumper Settings 77
5.1.7 LED Indicators 77
5.1.8 Backplane Assembly 77
5.1.9 D1000 FRUs 77
5.1.10 Verifying the HBA 78
A3x00/A3500FC 78
5.1.12 Controller Board LEDs 79
5.2 FRU Replacement 80
5.2.2 Interconnect Cables 81
5.2.3 Power Cords 81
5.2.4 Power Sequencer 81
5.2.5 Hub 82
5.2.8 Battery Unit 83
5.2.7 Amount of Cache 83
5.2.9 Cooling 84
5.2.10 Disk Drives 84
5.2.11 Disk Tray 84
5.2.12 Midplanes 85
5.3.2 RAID Manager 6 Upgrade 88
5.3.3 Firmware Upgrade 88
How to Recover 92
6.2 LUNs Not Seen 96
Reinitialization 97
VKI_EDIT_OPTIONS 100
6.4 Dynamic Reconfiguration 101
Takes Too Long 102
6.6 GUI Hang 103
Problems 103
Manager 6.22 104
is running 107
reading past the end of the 107
Reference 109
A.1 Scripts and man Pages 110
Information for CPRE/PDE 111
PCI/SBus Systems 112
A.4 A3500/A3500FC Electrical 113
Specifications 113
A.5 Product Names 115
NVSRAM Product ID 116
NUMERICS 117
command, 6–17 119

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Seagate ST39173WC Specifications Page 55

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