EMC业务连续性数据保护方案
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• Replication
• Data Reduction
and compression
• Monitoring and management
5. Data is sequenced, checksummed, compressed, and replicated to the remote RPAs over IP (either asynchronous, or synchronous and bidirectional)
6
EMC 持续性数据保护方案
RecoverPoint: 网络式外挂 (Out-Band) 设计架构
✓ CDP: 本地端持续性数据保护 (Continuous Data Protection) ✓ CRR: 异地端持续性数据复制 (Continuous Remote Replication)
CRR
EMC
RecoverPoint Replication Services
44%
Natural Disaster
3%
方案: 切换至 DR 端
3
异构环境中数据复制的痛点
本地端
应用系统反应时间
异地端
Oracle Exchange SQL
应用系统数据 一致性问题
ቤተ መጻሕፍቲ ባይዱ
Oracle Exchange SQL
毁坏之保护
SAN SAN
SAN
容灾恢复
现有基础架构
网络通讯成本
测试演练
IBM HDS
6. Data is received, uncompressed, sequenced, and checksummed
7. Data is written to the Journal volume
/A /B /C
Local site
4. Appliance functions
• FC-IP conversion
HP STK
EMC
异构存储设备
IBM HDS
HP STK
EMC
4
决策考虑重点
业务层次 的考虑
花费成本
技术层次 的考虑
恢复及 数据一致性
功能性及 可用性
容量
服务恢复时间目 标( RTO )
带宽
数据恢复点目标 ( RPO )
性能
主要决策指标
5
RecoverPoint 的定位
数据恢复点目标: RPO
(数据遗失量)
3. Writes are acknowledged back from the RecoverPoint appliance
4. The appliance writes data to the Journal volume, along with timestamp and applicationspecific bookmarks
业务连续性数据保护方案
演讲人姓名 李馨 演讲人职务 EMC华南区客户技术主管
ESG 对业务停顿容忍值的研究报告
业务停顿(Downtime) = 金钱损失
Enterprise Storage Group Report 2006 September
业务恢复之前 1. 数据 2. 数据库 3. 操作系统 4. 主机 5. 网络 必须到位。
7
RecoverPoint 本地端数据保护处理流程
CDP
2a. Host splitter
2b. Cisco SANTap fabric splitter
1. Data is “split” and sent to the RecoverPoint appliance in one of two ways
Cluster Passive Node
Replication Data Flow
SSAANN
RecoverPoint appliances
WAN
Disaster recovery site
Standby DR
Server
Tape Backup Manager
SAN
Tape Library
Storage Groups Local and Logs Journal
2
数据遗失原因分析
Source: ONTRACK Data Recovery, Inc.
Viruses
7%
others
10%
Software Program Malfunction
4%
Human Error
32%
方案: RecoverPoint
Hardware or system
malfunction
SAN
RecoverPont
HDS
Appliance
IBM STK HP
Local site
CDP
History Journal
WAN
SAN
RecoverPont Appliance
EMC HDS
IBM History HP STK Journal
Remote site
支援异构存储平台及异构操作系统，可将数据反复恢复至任一时间点!
Weeks
Days
Hrs.
Min.
Sec.
服务恢复时间目标: RTO
(服务恢复所需时间)
Sec.
Min.
Hrs. Days
Weeks
Replication
几秒~几分钟
Automation
Tape backup
Replication
几分钟
Restore from tape
RecoverPoint 立即恢复~无论数据容量有多大
CRR
2a. Host splitter
2b. Cisco SANTap
1. Data is “split” and sent to the RecoverPoint appliance in one of two ways
3. Writes are acknowledged back from the RecoverPoint appliance
rA rB rC
Remote site
L. History volume
8. Consistent data is distributed to the remote volumes
9
RecoverPoint 整合 CRR 与 CDP功能
Production site
Cluster Active Node
/A /B /C
Production volumes
rA rB rC
Replica volumes
Journal volume
5. Write-order-consistent data is distributed to the replica volumes
8
RecoverPoint 异地端数据复制处理流程
• Data Reduction
and compression
• Monitoring and management
5. Data is sequenced, checksummed, compressed, and replicated to the remote RPAs over IP (either asynchronous, or synchronous and bidirectional)
6
EMC 持续性数据保护方案
RecoverPoint: 网络式外挂 (Out-Band) 设计架构
✓ CDP: 本地端持续性数据保护 (Continuous Data Protection) ✓ CRR: 异地端持续性数据复制 (Continuous Remote Replication)
CRR
EMC
RecoverPoint Replication Services
44%
Natural Disaster
3%
方案: 切换至 DR 端
3
异构环境中数据复制的痛点
本地端
应用系统反应时间
异地端
Oracle Exchange SQL
应用系统数据 一致性问题
ቤተ መጻሕፍቲ ባይዱ
Oracle Exchange SQL
毁坏之保护
SAN SAN
SAN
容灾恢复
现有基础架构
网络通讯成本
测试演练
IBM HDS
6. Data is received, uncompressed, sequenced, and checksummed
7. Data is written to the Journal volume
/A /B /C
Local site
4. Appliance functions
• FC-IP conversion
HP STK
EMC
异构存储设备
IBM HDS
HP STK
EMC
4
决策考虑重点
业务层次 的考虑
花费成本
技术层次 的考虑
恢复及 数据一致性
功能性及 可用性
容量
服务恢复时间目 标( RTO )
带宽
数据恢复点目标 ( RPO )
性能
主要决策指标
5
RecoverPoint 的定位
数据恢复点目标: RPO
(数据遗失量)
3. Writes are acknowledged back from the RecoverPoint appliance
4. The appliance writes data to the Journal volume, along with timestamp and applicationspecific bookmarks
业务连续性数据保护方案
演讲人姓名 李馨 演讲人职务 EMC华南区客户技术主管
ESG 对业务停顿容忍值的研究报告
业务停顿(Downtime) = 金钱损失
Enterprise Storage Group Report 2006 September
业务恢复之前 1. 数据 2. 数据库 3. 操作系统 4. 主机 5. 网络 必须到位。
7
RecoverPoint 本地端数据保护处理流程
CDP
2a. Host splitter
2b. Cisco SANTap fabric splitter
1. Data is “split” and sent to the RecoverPoint appliance in one of two ways
Cluster Passive Node
Replication Data Flow
SSAANN
RecoverPoint appliances
WAN
Disaster recovery site
Standby DR
Server
Tape Backup Manager
SAN
Tape Library
Storage Groups Local and Logs Journal
2
数据遗失原因分析
Source: ONTRACK Data Recovery, Inc.
Viruses
7%
others
10%
Software Program Malfunction
4%
Human Error
32%
方案: RecoverPoint
Hardware or system
malfunction
SAN
RecoverPont
HDS
Appliance
IBM STK HP
Local site
CDP
History Journal
WAN
SAN
RecoverPont Appliance
EMC HDS
IBM History HP STK Journal
Remote site
支援异构存储平台及异构操作系统，可将数据反复恢复至任一时间点!
Weeks
Days
Hrs.
Min.
Sec.
服务恢复时间目标: RTO
(服务恢复所需时间)
Sec.
Min.
Hrs. Days
Weeks
Replication
几秒~几分钟
Automation
Tape backup
Replication
几分钟
Restore from tape
RecoverPoint 立即恢复~无论数据容量有多大
CRR
2a. Host splitter
2b. Cisco SANTap
1. Data is “split” and sent to the RecoverPoint appliance in one of two ways
3. Writes are acknowledged back from the RecoverPoint appliance
rA rB rC
Remote site
L. History volume
8. Consistent data is distributed to the remote volumes
9
RecoverPoint 整合 CRR 与 CDP功能
Production site
Cluster Active Node
/A /B /C
Production volumes
rA rB rC
Replica volumes
Journal volume
5. Write-order-consistent data is distributed to the replica volumes
8
RecoverPoint 异地端数据复制处理流程