How to Avoid Disasters via Software-Defined Storage Replication & Site Recovery

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Shifting weather patterns across the globe force us to re-evaluate data protection practices in locations we once thought immune from hurricanes, flooding and other natural disasters. Offsite data replication combined with advanced site recovery methods should top your list. In this webcast and live demo, you’ll learn about: • Software-defined storage services that continuously replicate data, containers and virtual machine images over long distances • Differences between secondary sites you own or rent vs. virtual destinations in public Clouds • Techniques that help you test and fine tune recovery measures without disrupting production workloads • Transferring responsibilities to the remote site • Rapid restoration of normal operations at the primary facilities when conditions permit

Software

Copyright © 2018 DataCore Software Corp. – All Rights Reserved.
• Shifting weather patterns
• Greater intensity
• Higher frequency
• Result: Areas once thought immune, are now suffering major damage
from hurricanes, flooding and other natural disasters
3
Increasing Vulnerability
Observed U.S. Trends in Heavy Precipitation
Relativenumberof
ExtremeEvents(%)
Source: 3rd National Climate Assessment

Copyright © 2018 DataCore Software Corp. – All Rights Reserved.
• Cause: High energy storm near South Central US datacenters
• Initial impact: Voltage sags & swells impact cooling systems
• Reaction: Structured power down process in region
• Consequences: Azure DevOps (VSTS) Services in area became unavailable
• Global impact: Azure Marketplace was down
• Degraded performance in other regions
• High latencies and timeouts with Active Directory
4
Azure Outage Postmortem
September 4, 2018

Copyright © 2018 DataCore Software Corp. – All Rights Reserved. 5
Remedies under consideration
• Synchronous replication between South Central and North Central US
would add 70ms for each round trip] – too long for key services
• Investigating feasibility of Asynchronous replicating data across regions
• Regularly exercise fail over across regions
“
” Source: Service Blog – Azure DevOps
Our goal is to provide the best balance among
competing objectives of high performance and
high availability.

Copyright © 2018 DataCore Software Corp. – All Rights Reserved.
Asynchronous Replication &
Advanced Site Recovery
Back Stage Tour
6

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Disaster Recovery
@ Azure Cloud
SQL Server
SQL Server
Primary Data Center
On-premises
Remote
Replication over IP
(bi-directional)

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8
EastWest
Out-of-band Mgmt
Vmhba64:
OracleServer:
ESXi:
Main Data Center SAN
DR SAN
North
Live Environment
South
Azure-DR-Cloud
Azure-DR-Node
Async
replication to remote
sites
Synchronous Mirror
within Metro Area
HOSTS SQLServer:
SQLServer:

Copyright © 2018 DataCore Software Corp. – All Rights Reserved.
9
Primary Site

Copyright © 2018 DataCore Software Corp. – All Rights Reserved. 10

Copyright © 2018 DataCore Software Corp. – All Rights Reserved.
11
Remote DR Node

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12
Initialize Replication

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Design Tenets
Replication
TestingSeparation

Copyright © 2018 DataCore Software Corp. – All Rights Reserved.
• Use Software-defined storage services to continuously replicate
data, containers and virtual machine images over long distances
• Evaluate alternatives between secondary sites you own or rent vs.
virtual destinations in public Clouds
• Apply techniques that help you test and fine tune recovery
measures without disrupting production workloads
• Establish a rigorous procedure & regularly practice
transferring responsibilities to the remote site
• Seek rapid restoration of normal operations at the primary
facilities when conditions permit
14
Take Aways

Copyright © 2018 DataCore Software Corp. – All Rights Reserved.
15
Comprehensive Set of Advanced
Data Services
VIRTUALIZED HOSTS PHYSICAL SERVERS
Adaptive Parallel I/O
Asynchronous Replication

Copyright © 2018 DataCore Software Corp. – All Rights Reserved.
Questions?
The Authority on Software-defined Storage
info@datacore.com
www.datacore.com

Business continuity, especially across data centers in nearby locations often depends on complicated scripts, manual intervention and numerous checklists. Those error-prone processes are exponentially more difficult when the data storage equipment differs between sites. Such difficulties force many organizations to settle for partial disaster recovery measures, conceding data loss and hours of downtime during occasional facility outages. In this webcast and live demo, you’ll learn about: • Software-defined storage services capable of continuously mirroring data in real-time between unlike storage devices. • Non-disruptive failover between stretched cluster requiring zero touch. • Rapid restoration of normal conditions when the facilities come back up.

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Unplanned interruption events, a.k.a. “disasters,” hit virtually all data centers at one time or another. While the preponderance of annual downtime results from interruptions that have a limited or localized scope of impact, IT planners must also prepare for the possibility of a catastrophic event with a broader geographical footprint. Such disasters cannot be circumvented simply by using high availability configurations in servers or storage. What is needed, especially for mission-critical applications and databases, are strategies that can help organizations prevail in the wake of “big footprint” disasters, but that can also be implemented in a more limited way in response to interruption events with a more limited impact profile. DataCore Software’s storage platform provides several capabilities for data protection and disaster recovery that are well-suited to today’s most mission-critical databases and applications.

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Next to performance and scalability, cost efficiency is one of the top three reasons most companies cite as their motivations for acquiring storage technology. Businesses are struggling to control the storage costs, and to reduce OPEX costs for administrative staff, infrastructure and data management, and environmental and energy. Every storage vendor, it seems, including most of the Software-defined Storage purveyors, are promising ROIs that require nothing short of a suspension of disbelief. In this presentation, Jon Toigo of the Data Management Institute digs out the root causes of high storage costs and sketches out a prescription for addressing them. He is joined by Ibrahim “Ibby” Rahmani of DataCore Software, who will address the specific cost efficiency advantages that are being realized by customers of Software-defined Storage

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The capabilities DataCore delivers have recently been significantly uplifted and streamlined further for virtualized server environments in its latest SANsymphony-V release. For brevity, it’s hard to beat DataCore’s press release which points out that “SANsymphony offers a flexible, open software platform from which to provision, share, reconfigure, migrate, replicate, expand and upgrade storage without slowdowns or downtime.” The product is agnostic with regard to the underlying storage hardware and can essentially breathe life and operational value into whatever is on a user’s floor. It is robust, flexible, and responsive and it can deliver value in terms of, for instance, better economics, improved response times, high availability (HA), and easy management administration. This white paper will examine SANsymphony-V's place in the Software-Defined Storage marketplace and review it's core features and capabilities.

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1. Copyright © 2018 DataCore Software Corp. – All Rights Reserved. WEBINAR How to Avoid Disasters via Software- Defined Storage Replication & Site Recovery Augie Gonzalez Director of Product Marketing DataCore Software

3. Copyright © 2018 DataCore Software Corp. – All Rights Reserved. • Shifting weather patterns • Greater intensity • Higher frequency • Result: Areas once thought immune, are now suffering major damage from hurricanes, flooding and other natural disasters 3 Increasing Vulnerability Observed U.S. Trends in Heavy Precipitation Relativenumberof ExtremeEvents(%) Source: 3rd National Climate Assessment

4. Copyright © 2018 DataCore Software Corp. – All Rights Reserved. • Cause: High energy storm near South Central US datacenters • Initial impact: Voltage sags & swells impact cooling systems • Reaction: Structured power down process in region • Consequences: Azure DevOps (VSTS) Services in area became unavailable • Global impact: Azure Marketplace was down • Degraded performance in other regions • High latencies and timeouts with Active Directory 4 Azure Outage Postmortem September 4, 2018

5. Copyright © 2018 DataCore Software Corp. – All Rights Reserved. 5 Remedies under consideration • Synchronous replication between South Central and North Central US would add 70ms for each round trip] – too long for key services • Investigating feasibility of Asynchronous replicating data across regions • Regularly exercise fail over across regions “ ” Source: Service Blog – Azure DevOps Our goal is to provide the best balance among competing objectives of high performance and high availability.

8. Copyright © 2018 DataCore Software Corp. – All Rights Reserved. 8 EastWest Out-of-band Mgmt Vmhba64: OracleServer: ESXi: Main Data Center SAN DR SAN North Live Environment South Azure-DR-Cloud Azure-DR-Node Async replication to remote sites Synchronous Mirror within Metro Area HOSTS SQLServer: SQLServer:

14. Copyright © 2018 DataCore Software Corp. – All Rights Reserved. • Use Software-defined storage services to continuously replicate data, containers and virtual machine images over long distances • Evaluate alternatives between secondary sites you own or rent vs. virtual destinations in public Clouds • Apply techniques that help you test and fine tune recovery measures without disrupting production workloads • Establish a rigorous procedure & regularly practice transferring responsibilities to the remote site • Seek rapid restoration of normal operations at the primary facilities when conditions permit 14 Take Aways

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