【正文】 ..................................................................................................... 110 Flexible Volumes（ FlexVol） ——靈活卷 .............................................................................. 111 Flexible Volumes 的概念 ............................................................................................ 111 Flexible Volumes 的特點 ............................................................................................ 111 FlexVol 的技術(shù)限定 ................................................................................................... 113 FlexVol 的技術(shù)優(yōu)勢 ................................................................................................... 114 FlexClone .......................................................................................................................... 115 技術(shù)原理 ................................................................................................................. 115 FlexClone 的性能 ...................................................................................................... 116 技術(shù)特點 ................................................................................................................. 116 技術(shù)優(yōu)勢 ................................................................................................................. 117 系統(tǒng)要求 ................................................................................................................. 117 LockVault .......................................................................................................................... 118 技術(shù)原理 ................................................................................................................. 118 LockVault 的版本 ...................................................................................................... 119 技術(shù)特點 ................................................................................................................. 120 技術(shù)優(yōu)勢 ................................................................................................................. 120 系統(tǒng)要求 ................................................................................................................. 120 FlexCache ......................................................................................................................... 121 技術(shù)原理 ................................................................................................................. 121 技術(shù)特點 ................................................................................................................. 123 技術(shù)優(yōu)勢 ................................................................................................................. 123 系統(tǒng)要求 ................................................................................................................. 123 NETWORK APPLIA NCE INC. 軟件和技術(shù)白皮書 CONFIDENTIAL amp。 PROPRIETARY 5 目錄 第一章 前言 ........................................................................................................... 11 第二章 軟件 ........................................................................................................... 12 Data ONTAP.......................................................................................................................... 14 WAFL.................................................................................................................................... 15 批次動態(tài)條帶化讀寫算法 .............................................................................................. 17 NVRAM ........................................................................................................................ 18 NetApp RAID技術(shù) ................................................................................................................. 22 增強型 RAID4+ ............................................................................................................ 22 消除校驗盤瓶頸 ........................................................................................................... 23 RAID DP ...................................................................................................................... 24 SyncMirror ................................................................................................................... 30 系統(tǒng)要求 ..................................................................................................................... 32 部署模型結(jié)構(gòu) ....................................................................................................................... 33 單機 StandAlone 模型 .................................................................................................. 33 雙機集群 ClusterFailOver模型 ..................................................................................... 33 系統(tǒng)要求 ..................................................................................................................... 35 多協(xié)議支持（ MultiProtocols） .............................................................................................. 36 以太網(wǎng)文件系統(tǒng)存儲區(qū)域網(wǎng) NAS（ FS SAN） .................................................................. 36 光通道數(shù)據(jù)塊存儲區(qū)域網(wǎng) SAN（ FC SAN） ..................................................................... 36 SAN（ FC SAN）與 NAS（ FS SAN）的比較 ...................................................................... 37 以太網(wǎng)數(shù)據(jù)塊存儲區(qū)域網(wǎng) iSCSI（ IP SAN） .................................................................... 38 SAN（ FC SAN）與 NAS（ FS SAN）的融合 ...................................................................... 39 SnapShot .............................................................................................................................. 42 技術(shù)原理 ..................................................................................................................... 42 系統(tǒng)要求 ..................................