Transcript
XtremIO X2: Deep Dive Rami Katz, VP Product Management Zvi Schneider, Chief Architect
XtremIO X2 Efficiency • • • •
4X better rack density 1/3 Effective Price $/GB Multi-Dimentional Scaling 25% DRR enhancements
Protection • • • • 2
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NVRAM Xpanded iCDM capabilities Quality of Service Metadata-aware replication
Performance • 80% lower application latency • 2x better copy operations • New Hardware
Simplicity • New simple HTML-5 GUI • Intelligent Reporting and Troubleshooting • Guided Workflows
Software-Driven Architecture Driving Efficiency and Performance
Brute force approach limits enhancements R: +20%-30% W: +20%-30% R: +20%-30% W: +20%-30%
Generation N+2
Generation N+1
Generation N 4
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XtremIO Content Addressable Storage (CAS) Architecture The ability to move data quickly and efficiently using metadata indexing to reduce physical data movement within the array, between XtremIO arrays or between XtremIO and other arrays/ the cloud.
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XtremIO all-the-time data services IN-LINEin-line, ALL THE TIME DATA SERVICES Thin Provisioning
Compression
XtremIO Virtual Copies
Inline – compres sed blocks only
Super efficient – inmemory meta data copy
Deduplication
All volumes thin; optimized for data saving 6
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Inline – block written once No postprocess
No post process
D@RE
Always on Encryptio n with no perf impact
XtremIO Data Protection
Single “RAID model” double parity w/ 84% usable
XtremIO Virtual Copies (XVC) In-Memory Snapshot Technology
PERFORMANCE (read, write and latency as volume)
SPACE EFFICIENT (no metadata bloat, no space reservation, no moving blocks)
IN-MEMORY (instant creation, immediate deletion, flexible topology, unrestricted refresh)
FLASH OPTIMIZED 7
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(identical data services, always on, always inline)
XtremIO X2 - Efficiency Efficiency • • • •
4X better rack density 1/3 Effective Price $/GB Multi-Dimentional Scaling 25% DRR enhancements
Protection • • • • 8
© Copyright 2017 Dell Inc.
NVRAM Xpanded iCDM capabilities Quality of Service Metadata-aware replication
Performance • 80% lower application latency • 2x better copy operations • New Hardware
Simplicity • New HTML-5 GUI • Intelligent Reporting and Troubleshooting • Guided Workflows
better rack density As low as price of X1 for $/GB (effective)
X2: All the goodness at 1/3 the GBu price of X1 $/GB High WPD X1SSD
Low WPD X2SSD
X1 Economics of scale
X1 1/3 Price
X2 Capacity 10
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Metadata-aware architecture extends SSD longevity 93-97%
98% 99% Remaining
Lowest projected endurance across the install base is at…
19 100% Remaining
Source: XtremIO SSD Endurance Remaining Entire Install Base 11
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years
Better Controller Cost Amortization
X2 138TB in 4U X1 40TB in 6U SSD
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Active Controller Active Controller
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SSD
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FLASH ActiveFLASH Controller Active Active Controller Controller Active Controller
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X2 276TB in 4U
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FLASH FLASH Active Controller ActiveController Controller Active Active Controller
New Multi-dimensional Scaling Hardware Platform Improved Scaling granularity
Multi-dimensional Scaling Hardware Platform Scale-up X-Brick to
Up to 5.5PB of effective capacity
138TB SSD
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Scale-out a cluster to 8 X-Bricks of
1.1 PB
…......... Support for all configurations between 1 and 8 14
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Assumes 6:1 data reduction
New Scale up in X2 Platform Scale up In smaller increments
Density
XDP Group
1
72 drive DAE
Resilience
XDP Group
2 simultaneous SSD failures per XDP group
2
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better data reduction
Compression Improvements in X2
Intelligent Packing Algorithm
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X2 Vs X1: Compression improvements X1
X2
Oracle customer data from beta 18
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XtremIO X2 - Performance Efficiency • • • •
4X better rack density 1/3 Effective Price $/GB Multi-Dimentional Scaling 25% DRR enhancements
Protection • • • • 19
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NVRAM Xpanded iCDM capabilities Quality of Service Metadata-aware replication
Performance • 80% lower application latency • 2x better copy operations • New Hardware
Simplicity • New simple HTML-5 GUI • Intelligent Reporting and troubleshooting • Guided Workflows
lower application Latency better copy operations Only possible with elegant software design
Over 65% of Write IOs are small <= 8KB 45.00% 40.00% 35.00% 30.00% 25.00% 20.00% 15.00% 10.00% 5.00% 0.00% 512B
1KB
2KB
4KB
8KB
16KB
32KB
READ
XtremIO IO block size histogram - Entire Install Base 21
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64KB 128KB 256KB 512KB
WRITE
1MB
>1MB
Write Flow – X1 Write Request 01011101 01010010
• Flow Overview: – Write Arrives – Find Compute Module – Calculate Hash
Compute Module
› Read old data if needed
– Send to Data Module – Harden data – Acknowledge Host
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Compute Module 01011101 01010010
Data Module
Data Module 0110 0101
Write Flow – X2 with Write Boost • Flow Overview: – – – –
Write Arrives Find Compute Module Harden data Acknowledge Host
• Huge latency improvement, mainly for small IOs 23
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Write Request 01011101 01010010
Compute Module
Compute Module
Data Module
Data Module
Write Flow – X2 De-Stage Write Request
• Write transactions are aggregated, improving efficiency and bandwidth
Compute Module
Compute Module 0101 1101 0101 01011101 1110 0010 0010 01010010
• Benefit from IO folding Data Module
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Data Module
X2 small blocks performance Small Blocks X2 vs X1 X1: 4k 100%w
Latency Improved By Write Boost
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BW Improved By Aggregation + New HW
X2: 4k 100%w
Small block IOs at 80% lower latency ! Reference workload: Oracle OLTP with 20% Updates
X1: 167K IOPS @ 2.4ms
26% more IOPS @ 80% better latency 26
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X2: 212K IOPS @ 0.63ms
2X Performance for VM Provisioning Architecture enables amazing performance => 5x (!) of physical host connectivity
Over 40GB/s bandwidth from a Single X-Brick !
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X-Brick: X2-S 7.2TB – 28.8TB Cluster Building Block Active Controller B
Active Controller A 12 Haswell Cores
12 Haswell Cores
12 Haswell Cores
384GB RAM
12 Haswell Cores
384GB RAM
Infiniband RDMA
2 x 16 Gbps Fibre Channel 2 x 10 Gbps iSCSI
2 x 16 Gbps Fibre Channel 2 x 10 Gbps iSCSI SAS 3.0
48 HASWELL CORES
768 GB RAM
8 HOST PORTS
SAS 3.0
Up to 72 SSDs
400GB SSDs 29
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X-Brick: X2-R 34.5TB – 138.2TB Cluster Building Block Active Controller B
Active Controller A 12 Haswell Cores
12 Haswell Cores
12 Haswell Cores
1TB RAM
12 Haswell Cores
1TB RAM
Infiniband RDMA
2 x 16 Gbps Fibre Channel 2 x 10 Gbps iSCSI
2 x 16 Gbps Fibre Channel 2 x 10 Gbps iSCSI SAS 3.0
48 HASWELL CORES
2 TB RAM
8 HOST PORTS
SAS 3.0
Up to 72 SSDs
1.92TB SSDs 30
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XtremIO X2 - Protection Efficiency • • • •
4X better rack density 1/3 Effective Price $/GB Multi-Dimentional Scaling 25% DRR enhancements
Protection • • • • 31
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NVRAM Xpanded iCDM capabilities Quality of Service Metadata-aware replication
Performance • 80% lower application latency • 2x better copy operations • New Hardware
Simplicity • New simple HTML-5 GUI • Intelligent Reporting and troubleshooting • Guided Workflows
NVRAM • Components’ Failure – Method Of Operation
Normal Operation
Power Failure
Data Secured!
NVRAM
XIOS
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DRAM
Memory Bank Memory Bank
Flash Memory
Power Restored
Xpanded iCDM Capabilities
iCDM IS POPULAR : 1.5M XVCs at work A majority of XVC copies are writeable !
Read-only copies used for backup, gold master etc
XtremIO XVC type in Entire Install Base 35
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Writeable copies used for test/dev
46%
54%
XtremIO Virtual Copies (XVC) are busy ! XVC handles ~40% of IO workload XVC v/s Volumes: IOs from Entire Install Base
59%
60%
41%
40%
Total Read IOs
Total Write IOs IOs to XVC
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IOs to Volumes
INSIGHT
the number of XVC copies # volumes => 16384 # snapshots per volume => 1024
Post GA
X2: Better iCDM with QoS Normal
Burst
• Max IOPS or BW for every volume or consistency group • Protect workloads based on importance eg critical applications and multi tenant environments • Burst mode gracefully handle applications that temporarily exceeds max IOPS
QoS 38
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Metadata-aware Native Replication…So What?
Metadata-Aware Replication - A superior method for efficient data replication Unique Blocks Only Globally Unique - not just at the volume/CG level
Changes Only Compressed
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Production
DR
XtremIO Metadata-aware Native Replication
Best Protection
Easy Operation
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Post GA
Superior Performance
•
Uses XtremIO in-memory snapshots
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RPO as low as 30 seconds
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Supports XtremIO High Performance
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Wizard based
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Immediate RTO
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Efficient Metadata-aware Replication
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Full operational disaster recovery
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Up to 1000 recover points
•
•
“Fan-in” configurations
Efficient replication - Compression aware
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XtremIO X2 - Protection Efficiency • • • •
4X better rack density 1/3 Effective Price $/GB Multi-Dimentional Scaling 25% DRR enhancements
Protection • • • • 43
© Copyright 2017 Dell Inc.
NVRAM Xpanded iCDM capabilities Quality of Service Metadata-aware replication
Performance • 80% lower application latency • 2x better copy operations • New Hardware
Simplicity • New simple HTML-5 GUI • Intelligent Reporting and troubleshooting • Guided Workflows
New Simple HTML-5 UI
Redesigned User Interface •
Simple and intuitive
•
1-2-3 Provisioning
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Tagging and Search
•
HTML5 (no Java) Nothing to install Popular browser support
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Application Context
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Application Context
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Flexible provisioning flows Next step suggestions Create new Initiator Group
Create Create Volumes
Map
Map to existing Initiator Group Add Add to to new new Consistency Consistency Group Group
Map to new Initiator Group
Map to existing Initiator Group Create a protection scheduler
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X2 evolves every frontier that X1 redefined Efficiency
Performance
X1 Protection
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Simplicity
Q&A
X2 sessions • A Deep Dive In Integrated Copy Data Management • Advanced Data Replication With Next Generation XtremIO Platform • Simplicity & Extensibility Of The XtremIO Management System - A Guided Tour • End-User Computing - Updates & Best Practices • Virtualization Best Practices With XtremIO • Empowering MS SQL & Oracle DBAs With XtremIO
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