EMC CLARiiON CX3 UtraScale WorkShop_3.pdf

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EMC CLARiiON CX3 UtraScale WorkShop_3.pdf

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EMC CLARiiON CX3 UtraScale WorkShop_3

? 2005 EMC Corporation. All rights reserved. 55 EMC Confidential Lesson 1: Data Protection and Data Integrity Lesson 2: Host Connectivity Lesson3: CLARiiON Shutdown and Reboot Process Module 2 -- CLARiiON Disk Array Basic 2 ? 2005 EMC Corporation. All rights reserved. 56 EMC Confidential Lesson 1: Data Protection and Data Integrity ? 2005 EMC Corporation. All rights reserved. 57 EMC Confidential FLARE Architecture FLARE is composed primarily of a set of drivers – “Layered Driver” model allows additional software to be inserted into driver stack dynamically – FLARE can insert a new application without quiescing I/O – New features can be designed to interface with existing functions ? Ex: SAN Copy in R11 It maintains CLARiiON’s “family-ness” and protects customer investment SnapView MirrorView SAN Copy FLARE physical disks Host I/O ? 2005 EMC Corporation. All rights reserved. 58 EMC Confidential FL A R E FL A R E Where FLARE Lives ? 2005 EMC Corporation. All rights reserved. 59 EMC Confidential FLARE is the intelligence between storage applications and hardware Provides vital storage intelligence: Maintains data integrity, including RAID Ensures high availability, including SP failover Coordinates all hardware and software functions CX200LC FLARE intelligent operating environment SnapView CX300/200CX500/400 MirrorView SAN CopyNavisphere Access Logix CX700/600FC FamilyCX3 Series ? 2005 EMC Corporation. All rights reserved. 60 EMC Confidential FLARE Release 22 Memory ? 2005 EMC Corporation. All rights reserved. 61 EMC Confidential End to end data protection RAID protection Parity protection beyond RAID Hot spares and automatic rebuilds – Global hot spares Cache destage – Stored on persistent media called a Vault SNiiFFER: scans all data, all the time – Stale data protection ? 2005 EMC Corporation. All rights reserved. 62 EMC Confidential Data Path And Disk Protection All data is protected from the time it is accepted on