实例介绍
【实例简介】
ZFS文件系统官方文档，由sun提供，目前最新的ZFS开发仍然未脱离该范畴。
【实例截图】
【核心代码】
Table of Contents Introduction...........................................................................................................................5 Chapter One – Virtual Devices (vdevs), Vdev Labels, and Boot Block................................6 Section 1.1: Virtual Devices.............................................................................................6 Section 1.2: Vdev Labels.................................................................................................6 Section 1.2.1: Label Redundancy................................................................................7 Section 1.2.2: Transactional Two Staged Label Update..............................................7 Section 1.3: Vdev Technical Details.................................................................................8 Section 1.3.1: Blank Space...........................................................................................8 Section 1.3.2: Boot Block Header...............................................................................8 Section 1.3.3: Name-Value Pair List...........................................................................8 Section 1.3.4: The Uberblock.....................................................................................12 Section 1.4: Boot Block..................................................................................................14 Chapter Two: Block Pointers and Indirect Blocks...............................................................15 Section 2.1: DVA – Data Virtual Address....................................................................15 Section 2.2 : GRID.......................................................................................................16 Section 2.3: GANG.......................................................................................................16 Section 2.4: Checksum..................................................................................................17 Section 2.5: Compression.............................................................................................18 Section 2.6 : Block Size................................................................................................18 Section 2.7: Endian........................................................................................................19 Section 2.8: Type..........................................................................................................19 Section 2.9: Level.........................................................................................................20 Section 2.10: Fill............................................................................................................20 Section 2.11: Birth Transaction.....................................................................................21 Section 2.12: Padding...................................................................................................21 Chapter Three: Data Management Unit...............................................................................22 Section 3.1 : Objects.......................................................................................................22 Section 3.2: Object Sets..................................................................................................26 Chapter Four – DSL ...........................................................................................................29 Section 4.1 : DSL Infrastructure.....................................................................................29 Section 4.2: DSL Implementation Details.......................................................................31 Section 4.3: Dataset Internals.........................................................................................32 Section 4.4: DSL Directory Internals..............................................................................34 Chapter Five – ZAP..............................................................................................................37 Section 5.1: The Micro Zap............................................................................................38 Section 5.2: The Fat Zap.................................................................................................39 Section 5.2.1: zap_phys_t..........................................................................................39 Section 5.2.2: Pointer Table.......................................................................................41 Section 5.2.3: zap_leaf_phys_t...................................................................................41 Section 5.2.4 : zap_leaf_chunk...................................................................................43 Chapter Six – ZPL................................................................................................................45 Section 6.1: ZPL Filesystem Layout...............................................................................45 Section 6.2: Directories and Directory Traversal............................................................45 Section 6.3: ZFS Access Control Lists............................................................................47 3 Chapter Seven – ZFS Intent Log.......................................................................................51 Section 7.1: ZIL header...................................................................................................51 Section 7.2: ZIL blocks....................................................................................................52 Chapter Eight – ZVOL (ZFS volume).................................................................................55
好例子网口号：伸出你的我的手 — 分享！
小贴士
感谢您为本站写下的评论，您的评论对其它用户来说具有重要的参考价值，所以请认真填写。
- 类似“顶”、“沙发”之类没有营养的文字，对勤劳贡献的楼主来说是令人沮丧的反馈信息。
- 相信您也不想看到一排文字/表情墙，所以请不要反馈意义不大的重复字符，也请尽量不要纯表情的回复。
- 提问之前请再仔细看一遍楼主的说明，或许是您遗漏了。
- 请勿到处挖坑绊人、招贴广告。既占空间让人厌烦，又没人会搭理，于人于己都无利。
关于好例子网
本站旨在为广大IT学习爱好者提供一个非营利性互相学习交流分享平台。本站所有资源都可以被免费获取学习研究。本站资源来自网友分享，对搜索内容的合法性不具有预见性、识别性、控制性，仅供学习研究，请务必在下载后24小时内给予删除，不得用于其他任何用途，否则后果自负。基于互联网的特殊性，平台无法对用户传输的作品、信息、内容的权属或合法性、安全性、合规性、真实性、科学性、完整权、有效性等进行实质审查；无论平台是否已进行审查，用户均应自行承担因其传输的作品、信息、内容而可能或已经产生的侵权或权属纠纷等法律责任。本站所有资源不代表本站的观点或立场，基于网友分享，根据中国法律《信息网络传播权保护条例》第二十二与二十三条之规定，若资源存在侵权或相关问题请联系本站客服人员，点此联系我们。关于更多版权及免责申明参见 版权及免责申明
网友评论
我要评论