EMC VPLEX 技术详解
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Site 1 Site 2
VPLEX Witness
– Coordinates seamless failover – Enables longer distance for stretched server clusters
WITNESS
VPLEX
– Provides zero RTO for storage changes or events
15
VMware vSphere Metro Storage Cluster
VPLEX is the first product certified to VMware vMSC
© Copyright 2012 EMC Corporation. All rights reserved.
16
VPLEX High Availability for Oracle RAC Over Distance
3
World‘s only solution that enables users to:
Have the exact same information In two separate locations Accessible at the same time
© Copyright 2012 EMC Corporation. All rights reserved.
Application restart with limited disruption
Disaster Recovery
Backup and Offsite Replication
© Copyright 2012 EMC Corporation. All rights reserved.
6
VPLEX Family Overview
2
#1 IT priority: improved efficiency
Requires a new approach to sharing and managing information within and across data centers
© Copyright 2012 EMC Corporation. All rights reserved.
Federated AccessAnywhere
VPLEX advantage
Enables stretched clusters with zero RPO
Automated recovery with near-zero RTO
High availability within and across VPLEX Metro data centers
VPLEX Toolkit
• VSI Plug-in • VPLEX Witness • VPLEX VASA provider
• RecoverPoint Splitter for VPLEX – CDP, CRR, CLR for VPLEX Local
– CDP, CRR, CLR for VPLEX Metro
EMC VPLEX FAMILY TECHNICAL REVIEW
With GeoSynchrony 5.1
© Copyright 2012 EMC Corporation. All rights reserved.
1
© Copyright 2012 EMC Corporation. All rights reserved.
• • • • Read caching Write caching/vaulting Consistency Groups Enhanced performance and scale
VPLEX Storage Services
VPLEX Management Console
• • • • • Mobility Central VPLEX Element Manager API Task-based navigation Rebuild and performance monitoring Serviceability improvements
• Share – Distributed volumes – Remote volumes • Tune – Back-end load balancing • Provision – Encapsulation • Protect
– Volume aggregation – Volume and access management Mirroring (local and remote) Host Cross-Cluster Connect Three-site protection (high availability and disaster recovery)
Cross-cluster connect
Site 3
Active
Federated AccessAnywhere
– Ideal for shorter distances
Active
– Leverages multipathing software – Trade off of higher host availability and CPU cycles
WITNESS
VPLEX
Site 3
Active
Federated AccessAnywhere
Active
© Copyright 2012 EMC Corporation. All rights reserved.
13
Availability: VPLEX Witness plus Cross-Cluster Connect
© Copyright 2012 EMC Corporation. All rights reserved.
11
Availability
ORACLE SAP
MICROSOFT
Multi-site Cluster
WITNESS
VPLEX
KEEP APPLICATIONS RUNNING
Active
Active
Single, dual, or quad engines
VPLEX between Vblocks
© Copyright 2012 EMC Corporation. All rights reserved.
8
GeoSynchrony 5.1: Operating System
Federated AccessAnywhere
– Passive DCs are expensive, normally with idle resources
Increased performance (locality of data access)
– Data does not have to be read from the ‗Production‘ site as the same data is R/W accessible at both sites
© Copyright 2012 EMC Corporation. All rights reserved.
9
Leveraging VPLEX
Information where it‘s needed, when it‘s needed
• Availability • Mobility
• Collaboration
Enable application uptime
Site 1 Site 2
• Continuous availability • Easy to set up and configure
WITNESS
VPLEX
• Optimal performance • Scale without compromise • Still use for non-RAC servers
© Copyright 2012 EMC Corporation. All rights reserved.
10
Availability
ORACLE SAP
MICROSOFT
Common approaches • Server clusters • Host mirroring • Active-passive
© Copyright 2012 EMC Corporation. All rights reserved.
5
Continuous Availability
Application continues with no disruptionቤተ መጻሕፍቲ ባይዱ(Zero Downtime)
High Availability
7
VPLEX Family of Products
VS1 VPLEX Local
VS2
VPLEX Metro
VPLEX Geo
Within a data center
Federated AccessAnywhere at synchronous distances
Federated AccessAnywhere at asynchronous distances
© Copyright 2012 EMC Corporation. All rights reserved.
12
Availability: Optimized with VPLEX
Enable application uptime
Site 1 Site 2
Improved performance Isolated fault domains Zero RTO regardless of fault Easier to manage
Site 3
Active Federated AccessAnywhere Active
– Reduces server failovers
© Copyright 2012 EMC Corporation. All rights reserved.
14
The Value of Cross-Cluster Connect
VPLEX Metro + Cross-Cluster Connect
No server failover required during: Front-end SAN failure Storage failure VPLEX Metro-Plex failure
VPLEX inter-cluster partition
© Copyright 2012 EMC Corporation. All rights reserved.
Server Cluster
Source
REPLICATION
Target
• Remote replication
Traditional challenges
Server cycles required to mirror or cluster Application restart required after failover Remote replication RTO/RPO impact
What is it?
A hardware and software virtualization platform Implemented as a SAN-based solution
Enables local and distributed federation
What is unique?
4
Why Distribute Your Data Center?
Increased availability
– Both DCs serve production workloads while providing resiliency for the other
Increased asset utilization
Federated AccessAnywhere High-availability, scale-out cluster architecture Unique technology enables workforce collaboration over distance
© Copyright 2012 EMC Corporation. All rights reserved.
VPLEX Witness
– Coordinates seamless failover – Enables longer distance for stretched server clusters
WITNESS
VPLEX
– Provides zero RTO for storage changes or events
15
VMware vSphere Metro Storage Cluster
VPLEX is the first product certified to VMware vMSC
© Copyright 2012 EMC Corporation. All rights reserved.
16
VPLEX High Availability for Oracle RAC Over Distance
3
World‘s only solution that enables users to:
Have the exact same information In two separate locations Accessible at the same time
© Copyright 2012 EMC Corporation. All rights reserved.
Application restart with limited disruption
Disaster Recovery
Backup and Offsite Replication
© Copyright 2012 EMC Corporation. All rights reserved.
6
VPLEX Family Overview
2
#1 IT priority: improved efficiency
Requires a new approach to sharing and managing information within and across data centers
© Copyright 2012 EMC Corporation. All rights reserved.
Federated AccessAnywhere
VPLEX advantage
Enables stretched clusters with zero RPO
Automated recovery with near-zero RTO
High availability within and across VPLEX Metro data centers
VPLEX Toolkit
• VSI Plug-in • VPLEX Witness • VPLEX VASA provider
• RecoverPoint Splitter for VPLEX – CDP, CRR, CLR for VPLEX Local
– CDP, CRR, CLR for VPLEX Metro
EMC VPLEX FAMILY TECHNICAL REVIEW
With GeoSynchrony 5.1
© Copyright 2012 EMC Corporation. All rights reserved.
1
© Copyright 2012 EMC Corporation. All rights reserved.
• • • • Read caching Write caching/vaulting Consistency Groups Enhanced performance and scale
VPLEX Storage Services
VPLEX Management Console
• • • • • Mobility Central VPLEX Element Manager API Task-based navigation Rebuild and performance monitoring Serviceability improvements
• Share – Distributed volumes – Remote volumes • Tune – Back-end load balancing • Provision – Encapsulation • Protect
– Volume aggregation – Volume and access management Mirroring (local and remote) Host Cross-Cluster Connect Three-site protection (high availability and disaster recovery)
Cross-cluster connect
Site 3
Active
Federated AccessAnywhere
– Ideal for shorter distances
Active
– Leverages multipathing software – Trade off of higher host availability and CPU cycles
WITNESS
VPLEX
Site 3
Active
Federated AccessAnywhere
Active
© Copyright 2012 EMC Corporation. All rights reserved.
13
Availability: VPLEX Witness plus Cross-Cluster Connect
© Copyright 2012 EMC Corporation. All rights reserved.
11
Availability
ORACLE SAP
MICROSOFT
Multi-site Cluster
WITNESS
VPLEX
KEEP APPLICATIONS RUNNING
Active
Active
Single, dual, or quad engines
VPLEX between Vblocks
© Copyright 2012 EMC Corporation. All rights reserved.
8
GeoSynchrony 5.1: Operating System
Federated AccessAnywhere
– Passive DCs are expensive, normally with idle resources
Increased performance (locality of data access)
– Data does not have to be read from the ‗Production‘ site as the same data is R/W accessible at both sites
© Copyright 2012 EMC Corporation. All rights reserved.
9
Leveraging VPLEX
Information where it‘s needed, when it‘s needed
• Availability • Mobility
• Collaboration
Enable application uptime
Site 1 Site 2
• Continuous availability • Easy to set up and configure
WITNESS
VPLEX
• Optimal performance • Scale without compromise • Still use for non-RAC servers
© Copyright 2012 EMC Corporation. All rights reserved.
10
Availability
ORACLE SAP
MICROSOFT
Common approaches • Server clusters • Host mirroring • Active-passive
© Copyright 2012 EMC Corporation. All rights reserved.
5
Continuous Availability
Application continues with no disruptionቤተ መጻሕፍቲ ባይዱ(Zero Downtime)
High Availability
7
VPLEX Family of Products
VS1 VPLEX Local
VS2
VPLEX Metro
VPLEX Geo
Within a data center
Federated AccessAnywhere at synchronous distances
Federated AccessAnywhere at asynchronous distances
© Copyright 2012 EMC Corporation. All rights reserved.
12
Availability: Optimized with VPLEX
Enable application uptime
Site 1 Site 2
Improved performance Isolated fault domains Zero RTO regardless of fault Easier to manage
Site 3
Active Federated AccessAnywhere Active
– Reduces server failovers
© Copyright 2012 EMC Corporation. All rights reserved.
14
The Value of Cross-Cluster Connect
VPLEX Metro + Cross-Cluster Connect
No server failover required during: Front-end SAN failure Storage failure VPLEX Metro-Plex failure
VPLEX inter-cluster partition
© Copyright 2012 EMC Corporation. All rights reserved.
Server Cluster
Source
REPLICATION
Target
• Remote replication
Traditional challenges
Server cycles required to mirror or cluster Application restart required after failover Remote replication RTO/RPO impact
What is it?
A hardware and software virtualization platform Implemented as a SAN-based solution
Enables local and distributed federation
What is unique?
4
Why Distribute Your Data Center?
Increased availability
– Both DCs serve production workloads while providing resiliency for the other
Increased asset utilization
Federated AccessAnywhere High-availability, scale-out cluster architecture Unique technology enables workforce collaboration over distance
© Copyright 2012 EMC Corporation. All rights reserved.