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DS8000 概念原理以及体系结构 (红皮书 20051213 版一~五章)

目录
DS8000 概念原理以及体系结构 (红皮书 20051213 版 一~五章).................................................1
.............................................................................................................................................................1
目录.............................................................................................................................................2
第一部分 介绍............................................................................................................................4
1 IBM TotalStorage DS 家族成员...................................................................................4
2 DS8000 概览.................................................................................................................5
2.1 硬件概述............................................................................................................7
2.2 存储容量............................................................................................................8
2.3 存储系统逻辑分区（LPARs）........................................................................8
2.4 支持环境............................................................................................................9
2.5 业务连续性弹性家族........................................................................................9
2.6 互操作性..........................................................................................................11
2.7 服务与安装......................................................................................................12
3 定位.............................................................................................................................12
3.1 共同的功能......................................................................................................12
3.2 共同的管理功能..............................................................................................13
3.3 可扩展性和配置灵活性.................................................................................14
3.4 存储系统 LPARs 的未来方向........................................................................15
4 性能.............................................................................................................................15
4.1 Sequential Prefetching in Adaptive Replacement Cache (SARC)..................16
4.2 IBM TotalStorage Multipath Subsystem Device Driver (SDD)......................16
4.3 zSeries 下的性能.............................................................................................16
5 总结.............................................................................................................................17
第二部分 体系结构..................................................................................................................17
1 机架.............................................................................................................................18
1.1 基础机架..........................................................................................................19
1.2 扩展机架..........................................................................................................20
1.3 机架操作面板..................................................................................................20
2 体系结构.....................................................................................................................21
2.1 基于服务器 SMP 设计....................................................................................23
2.2 Cache 管理.......................................................................................................23
3 Processor complex......................................................................................................25
3.1 RIO-G...............................................................................................................27
3.2 I/O enclosure....................................................................................................28
4 磁盘子系统.................................................................................................................29
4.1 DA（Device adapters）..................................................................................30
4.2 Disk enclosure..................................................................................................30
5 HA（Host Adapter）..................................................................................................36
5.1 FICON 和光纤通道协议主机适配卡............................................................37
6 电源和冷却.................................................................................................................38

7 管理控制台网络.........................................................................................................39
8 总结.............................................................................................................................40
第三部分 存储系统 LPAR（逻辑分区）...............................................................................40
1 逻辑分区介绍逻辑分区.............................................................................................40
1.1 虚拟化引擎技术..............................................................................................41
1.2 分区概念..........................................................................................................41
1.3 为什么要逻辑分区..........................................................................................43
2 DS8000 和 LPAR........................................................................................................44
2.1 LPAR 和存储设备影像...................................................................................45
2.2 DS8300 LPAR 实现.........................................................................................46
2.3 存储设备影像硬件组成部分.........................................................................47
2.4 DS8300 Model 9A2 配置选项........................................................................51
3 LPAR 安全性通过 POWER5
TM
 Hypervisor（PHYP）保障....................................55
4 LAPR 和拷贝服务......................................................................................................56
5 LPAR 益处..................................................................................................................57
6 总结.............................................................................................................................61
第四章 RAS..............................................................................................................................61
1 命名.............................................................................................................................66
2 Processor complex 的 RAS.........................................................................................71
3 系统管理程序 Hypervisor：存储影像独立性..........................................................81
3.1 RIO-G—一个自修复连接..............................................................................83
3.2 I/O enclosures..................................................................................................83
4 服务器 RAS................................................................................................................83
4.1 元数据检查 Metadata checks..........................................................................83
4.2 服务器 failover 和 failback..............................................................................83
4.3 在所有电源失去后的 NVS 恢复....................................................................88
5 主机连接高可用性.....................................................................................................89
5.1 开放系统主机连接..........................................................................................93
5.2 zSeries 主机连接.............................................................................................94
6 磁盘系统.....................................................................................................................95
6.1 磁盘路径冗余..................................................................................................96
6.2 RAID-5 概述....................................................................................................96
6.3 RAID-10 概述..................................................................................................99
6.4 spare 的创建..................................................................................................102
6.5 预故障诊断 Predictive Failure Analysis
®
(PFA)............................................103
6.6 硬盘 scrubbing...............................................................................................103
7 电源和冷却...............................................................................................................103
7.1Buildingpower loss.........................................................................................106
7.2 电力波动保护................................................................................................106
7.3 DS8000 电源控制..........................................................................................106
7.4 紧急电源关闭 Emergency power off (EPO).................................................106
8 微码升级...................................................................................................................107
9 管理控制台...............................................................................................................110
10 总结.........................................................................................................................111