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© 2015 VMware Inc. All rights reserved.
超融合雲機 VxRail: 擴展並簡化VMware 環境應用
Alan Lin, 林俊谷 技術顧問, VMware Taiwan 台灣威睿資訊有限公司
基礎架構虛擬化技術的進一步演進
Storage Policy Mega Cloud(s)
Journey to SDDC & Hybrid Cloud
Software-Defined Data Center
對資料中心基礎架構進行虛擬化作為IT即服務的資源池,
透過軟體對整體環境提供自動化管理
2 2
Server Virtualization
SDDC Network & Security
Orchestration / Automation
Monitoring
Policy Driven Automation
One Cloud / Hybrid Cloud Storage
Virtualization
「超融合基礎設施」未來展望
$.9B
$1.9B
$3.1B
$4.B
2015 2016 2017 2018 2019
Source: IDC Hyperconverged Systems 2015-2019 Forecast, February, 2016
超融合市場 整個儲存市場
$10B
$20B
$30B
$40B
$50B
2012 2026
TRADITIONAL STORAGE
ENTERPRISE
SERVER SAN STORAGE
HYPERSCALE
SERVER SAN STORAGE
Source: Wikibon Server SAN Research Project , August 2014
$4.8B 年平均成長率
64%
3
Copyright © 2016 VMware, Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. VMware products are covered by one or more patents listed at http://www.vmware.com/go/patents .
HYPER-CONVERGED
系統設計的轉型 – “超融合基礎架構”
NOW
SAN
SERVERS
STORAGE
THEN
Copyright © 2016 VMware, Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. VMware products are covered by one or more patents listed at http://www.vmware.com/go/patents .
系統設計的轉型- 軟體定義的儲存形成資源池
FAST NETWORK
VIRTUAL SAN
NOW
Powered by Intel® Xeon® Processors
Copyright © 2016 VMware, Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. VMware products are covered by one or more patents listed at http://www.vmware.com/go/patents .
VMware 超融合基礎架構是轉化客戶資料中心的利器
6
HYPER-CONVERGED SOFTWARE
Compute, storage and networking
Tightly integrated software stack
INDUSTRY-STANDARD HARDWARE
Convergence of physical storage on
x86 hardware
Building-block approach
Copyright © 2016 VMware, Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. VMware products are covered by one or more patents listed at http://www.vmware.com/go/patents .
VMware超融合架構軟體的特徴
7
Virtual SAN Ready Nodes
x86 伺服器
vSphere
vCenter Server
Virtual SAN
VMware HCS 簡易管理
1 緊密整合軟體架構
>100K 每個節點IOPS
$1/GB
當使用All Flash
架構時
擁有高性能擴展力 最高成本的效率
靈活的部署選項
整合式一體機
Copyright © 2016 VMware, Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. VMware products are covered by one or more patents listed at http://www.vmware.com/go/patents .
VSAN 將伺服器内置硬碟進行抽象化
8
VSAN Cluster - 儲存資源池
vSphere Cluster - 運算資源池
與vSphere 核心整合的
Software-Defined Storage
Virtual SAN
運用内置SSD與硬碟達到性能的要求
在內置硬盤實現“資源共享”和“資料保護”的機制
取代RAID, LUN等概念來達到容易建置的目的
Copyright © 2016 VMware, Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. VMware products are covered by one or more patents listed at http://www.vmware.com/go/patents .
簡易的管理:基於原則的儲存自動化部署
9
以虛擬機為單位定義儲存面的服務級別需求
Storage Policy-Based Management
Virtual SAN
共有資料儲存
vSphere + Virtual SAN
SLA 維持
虛擬機器基於儲存原則自動配置,且動態變更
儲存原則設定完全基於業務應用本身之需求
容量
可靠性
效能
每組虛擬機器可設定自己之儲存原則
Copyright © 2016 VMware, Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. VMware products are covered by one or more patents listed at http://www.vmware.com/go/patents .
只要在創建VM時選擇適當的儲存原則
When the policy is selected, Virtual SAN uses it to place / distribute the VM to guarantee availability and Performance
10
Copyright © 2016 VMware, Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. VMware products are covered by one or more patents listed at http://www.vmware.com/go/patents .
11
Copyright © 2016 VMware, Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. VMware products are covered by one or more patents listed at http://www.vmware.com/go/patents .
超融合架構儲存軟體– 內建, 或螺栓?
• VSAN 內建於 vSphere
• 效能最佳化
• 使用較少資源
vSphere + Virtual SAN
…
Hard disks
SSD
Virtual SAN Datastore
Hard disks
SSD Hard disks
SSD
vSphere
…
Hard disks
SSD
File System
Hard disks
SSD Hard disks
SSD
storage server
• 競爭對手在vSphere上增加一個儲存虛擬機
• 較低的效能
• 使用較多資源
storage server
storage server
storage server
VSAN 記憶體使用計算 : BaseConsumption + (NumDiskGroups x ( DiskGroupBaseConsumption +
(SSDMemOverheadPerGB x SSDSize)))
Copyright © 2016 VMware, Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. VMware products are covered by one or more patents listed at http://www.vmware.com/go/patents .
兩種VSAN架構提供更好的效能擴充彈性: HYBRID VS ALL-FLASH
All-Flash
每台主機 100K IOPS +
sub-millisecond latency
Caching
寫入内容會首先進行緩存, 從容量層讀取内容
容量層 閃存設備
資料讀取直接到容量層
SSD PCIe Ultra DIMM
Data Persistence
Hybrid
每台主機 40K IOPS
讀寫緩存
容量層 SAS / NL-SAS / SATA
SSD PCIe Ultra DIMM
Virtual SAN
13
Copyright © 2016 VMware, Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. VMware products are covered by one or more patents listed at http://www.vmware.com/go/patents .
傳統VMware建置環境時程需求
14
14U Installation
Applications
Support
~4 weeks
1 week
DHCP
DNS
Copyright © 2016 VMware, Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. VMware products are covered by one or more patents listed at http://www.vmware.com/go/patents .
使用超融合架構對時效的節省
15
4U
Installation
Applications
Support
1 week
1 day
2–3 hours
Growth Days ++ Lower power/cooling
++ zero reliance on local teams
3X
7
X
24
x
30
+%
FASTER
DHCP
DNS
Copyright © 2016 VMware, Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. VMware products are covered by one or more patents listed at http://www.vmware.com/go/patents .
軟體定義儲存的使用效益
• 顯著加快虛擬機儲存的分配
• 動態改變以虛擬機為單位的服務水平
• 可以跟雲端管理工具結合輕鬆達到流程自動化
加速儲存的佈建
• 減少對儲存設備在管理上的依賴
• 在虛擬機建立時自動配發儲存資料服務
• 基於原則設定的簡易儲存管理
簡化儲存的管理 儲存TCO的降低
• 通過有效地利用儲存容量減少無謂的資源預留
• 通過基於原則的儲存管理,降低運營管理成本
16
Copyright © 2016 VMware, Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. VMware products are covered by one or more patents listed at http://www.vmware.com/go/patents .
VMware Virtual SAN 6.2 功能: 重複資料刪除與壓縮 ※僅All Flash
• 在磁碟群組的層面做到對資料的重複刪除與壓縮
• 以Virtual SAN叢集為單位啓動/關閉此功能
• 當資料從快取層轉移到資料層將重複資料除去
– 每4 KB為固定區塊檢視有無重複的資料
• 重複資料刪除後再進行壓縮
A B C D
D C A B
A C B D
快取層 (SSD)
A B C D
在de-stage的階段將重複資料刪除、資料並壓縮
資料層 (SSD)
A B C D
I J K L
E F G H
M N O P
儲存壓縮後的資料
17
Copyright © 2016 VMware, Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. VMware products are covered by one or more patents listed at http://www.vmware.com/go/patents .
VMware Virtual SAN 6.2 功能: 擦除編碼Erasure Coding※僅All Flash
• RAID-6 =容忍兩個節點的故障
– 4+2 (配置要求是至少6個節點)
相較傳統的比例(RAID-1組成)可節省約 50%
• 要存放20 GB 資料容量、原先要 40 GB、在RAID-6 情況下僅需要 30 GB
18
資料
奇偶校驗
資料
奇偶校驗
資料
資料
資料
資料
奇偶校驗
資料
資料
資料
資料 資料 資料 奇偶校驗
RAID-5
• RAID-5 =容忍一個節點的故障
– 3+1 (配置要求是至少4個節點)
– 相較傳統的比例(RAID-1 組成)僅需約 33 %
• 要存放20 GB 資料容量、原先要 40 GB、在RAID-5 情況下僅需要 27 GB
資料
奇偶校驗
資料
奇偶校驗
資料
資料
資料 資料
資料
資料
奇偶校驗
資料
資料
資料
資料 奇偶校驗
資料
資料
奇偶校驗
奇偶校驗
資料
資料
資料 奇偶校驗
RAID-6
Copyright © 2016 VMware, Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. VMware products are covered by one or more patents listed at http://www.vmware.com/go/patents .
通過 iSCSI 支援來連接非虛擬化工作負載
優勢
• 適用於實體/非虛擬化/多 hypervisor 工作負載的 Virtual SAN , 消除單獨實體儲存陣列的成本和複雜性
• 擴展了關鍵業務應用使用情形:利用共享儲存支援 MSCS
概述
• 非虛擬化工作負載可以利用 Virtual SAN 進行儲存(使用 iSCSI 啓動器)
• 導出 VMDK 作為 iSCSI 目標的儲存(LUN)並可透過策略進行管理
• 提供了核心 Virtual SAN 功能,包括重複資料消除、壓縮等
• 通過 vCenter 進行管理
19
Virtual SAN 資料儲存
iSCSI Target
iSCSI Initiator iSCSI Initiator
網路
客戶: 電商平台-下一步的規劃:關鍵業務雙活保護
省書店
(Active)
+ + + +
市書店
(Active)
辦公室
(Witness)
完全資料同步
實現零停機, 零資料丟失的架構
RTT 5毫秒以下 RTT 200 毫秒以下
49
要點概覽 • 故障域
• 站點層面保護(雙活數據中心)
• 站點故障時會自動切換
• 支援SMP-FT
• 支援Oracle RAC和Windows
MSCS
優勢概覽 • 標準x86伺服器
• 統一、簡便的管理
• 允許有計劃的維護,業務負載隨需遷移
Copyright © 2016 VMware, Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. VMware products are covered by one or more patents listed at http://www.vmware.com/go/patents .
生命週期管理
21
VxRail Manager • Installation & Upgrade • VxRail Market • EMC Support • Optional VCE Vision
vRealize Automation • Automation blueprints
• Governance and control • Self-service catalog
vRealize Operations • End-to-end analytics
• Proactive Alerting • Capacity Management
vCenter Server • Single-pane-of-glass view • Familiar vCenter interface • Single or multi cluster management
Optional software licensed separately
Included software capabilities
Copyright © 2016 VMware, Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. VMware products are covered by one or more patents listed at http://www.vmware.com/go/patents .
互動式導覽部署精靈
22
Copyright © 2016 VMware, Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. VMware products are covered by one or more patents listed at http://www.vmware.com/go/patents .
Copyright © 2016 VMware, Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. VMware products are covered by one or more patents listed at http://www.vmware.com/go/patents .
Copyright © 2016 VMware, Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. VMware products are covered by one or more patents listed at http://www.vmware.com/go/patents .
Desktop
Production
Dev/Test
vRealize Automation vRealize Operations/Log Insight
部署與維運自動化/流程化/標準化
Day1 自動佈建 Day2 自助式維運管理 資源使用效能分析與容量管理 管理報表
管理者
使用者
vRealize Business
CIO/Manager
VSAN
(Production)
VSAN
(Testing)
VSAN
(Desktop)
26
客戶基礎架構整體優化建議
① 整個公司硬體標準化
一般伺服器 一般伺服器
② 基礎架構層的標準化
③ 管理的共通性 ③
伺服器 伺服器
①
① 各個廠區儲存硬體組成
② SLA是不明確的
③ 各個廠區的管理機制是分離的
Tier 1
成本高 Backup
+ DR
High-end
Storage
Tier 2
成本中 Backup VSAN
SSD
Tier 3
成本低 無 VSAN
SAS
②
Copyright © 2016 VMware, Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. VMware products are covered by one or more patents listed at http://www.vmware.com/go/patents .
VMware’s 市場領導地位與經驗證的軟體
27
Compute Virtualization
vSphere
500k+ 客戶
Software Defined Storage
Virtual SAN
5000+ 客戶
Network Virtualization
NSX
1800+ 客戶
Cloud Operations
vRealize Suite
20k+ 客戶
Thank You!
28