1 stratus technologies andy bailey underlying technologies and reducing the risk stratus...
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Underlying technologies and reducing the risk
Stratus Stratus TechnologiesTechnologies
Andy BaileyAndy Bailey
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Stratus
The Smarter The Smarter Approach to Approach to Uptime™Uptime™
Andy BaileyAndy Bailey
In today’s world, there is an
expectation that systems are “
always available”.
Every application is
“mission essential”.
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Stratus
The Smarter The Smarter Approach to Approach to Uptime™Uptime™
Andy BaileyAndy Bailey
Putting a perspective on the cost of downtime…..
Industry Segment Normal Cost of Downtime Peak Cost of Downtime
Discrete Manufacturing €49,000 €247,000
Process Manufacturing €19,800 €762,000
Banking €828,000 €2,698,000
Telco €192,000 €499,000
Average Per Hour €272,200 €1,051,500
Source: HP analysis of 158 companies across EMEA, Summer 2005
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Risk Factors associated with Virtualisation
No. Applications
Risk F
acto
r
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Underlying technologies and reducing the risk
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The host becomes a single point of failure.
Virtual servers
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Stratus’ approach is to prevent any failure conditions……..
Primary environment
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…..rather than recovering from failures
DR environment
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Stratus
The Smarter The Smarter Approach to Approach to Uptime™Uptime™
Andy BaileyAndy Bailey
Technology to “de-risk”
aggressive virtualization deployments
Always or “Continuously” available
Simple to operate and maintain uses commercially available
operating systems everything is “hotplug”
Uncompromising TCO Acquisition Management Downtime
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Stratus
The Smarter The Smarter Approach to Approach to Uptime™Uptime™
Andy BaileyAndy Bailey
At Stratus, “Availability” is
the primary focus ofeverything we
do!
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The Company
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HQ – Boston, MA
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Stratus Customers
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Constantly changing data is needed in real-time to make
decisions
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The server is a direct interface
between a business and its customers
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Availability of the application is a
direct contributor to revenue
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Single transaction is of enormous
value or critical
importance
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Technology
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FULL REDUNDANCY - All components are duplicated
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Processors run in “Lockstep”
Fault Detection
&IsolationEmbedded I/OEmbedded I/O
PCIPCIDisksDisks
CPUCPU
ChipsetChipset
MemoryMemory
Fault Detection
&Isolation
Fault Detection
&IsolationEmbedded I/OEmbedded I/O
PCIPCIDisksDisks
CPUCPU
ChipsetChipset
MemoryMemory
Fault Detection
&Isolation
Lockste
pp
ed
CP
Us
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Multi-path I/O capability
Fault Detection
&IsolationEmbedded I/OEmbedded I/O
PCIPCIDisksDisks
CPUCPU
ChipsetChipset
MemoryMemory
Fault Detection
&Isolation
Fault Detection
&IsolationEmbedded I/OEmbedded I/O
PCIPCIDisksDisks
CPUCPU
ChipsetChipset
MemoryMemory
Fault Detection
&IsolationM
ult
i-p
ath
I/O
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Self-checking logic detects and isolates errors to the component level and notifies Stratus of problems
If hard error occurs, faulty component is taken out of service; duplicate component continues normal processing – ZERO LATENCY
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What happens to the data?
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Disks run in Full Duplex mode
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Memory is mirrored and synchronised
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Network ports are duplicated and “teamed”
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OS and S/W reliability
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OS Support & Failsafe software
Red Hat® Linux® OS
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S/W versions
W2003 Enterprise
Edition
W2003 Standard on entry-level
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Stratus Failsafe software
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Reliably distinguishes software issues from hardware issues to speed problem resolution – TRANSIENT ERROR PROTECTION
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Driver hardening ensures uninterrupted processing if an I/O interface fails
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Rapid disk resynchronization transparently mirrors disks and protects data integrity
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Active Upgrade™ Technology
Addresses major causes of planned downtime
Active UpgradeActive Upgrade
ftSwitchftSwitchftSwitchftSwitchftSwitchftSwitchftSwitchftSwitchftSwitchftSwitchftSwitchftSwitchftSwitchftSwitchftSwitchVirtual
TechnicianModule
Virtual Virtual TechnicianTechnician
ModuleModule
Virtual Technician
Module
Virtual Virtual TechnicianTechnician
ModuleModule
Virtual Technician
Module
Virtual Virtual TechnicianTechnician
ModuleModule
Virtual Technician
Module
Virtual Virtual TechnicianTechnician
ModuleModule
Virtual Technician
Module
Virtual Virtual TechnicianTechnician
ModuleModule
Rapid Disk
Resync
Rapid Rapid DiskDisk
ResyncResync
Rapid Disk
Resync
Rapid Rapid DiskDisk
ResyncResync
Rapid Disk
Resync
Rapid Rapid DiskDisk
ResyncResync
Rapid Disk
Resync
Rapid Rapid DiskDisk
ResyncResync
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What is Active Upgrade?
S
S D
D1. Duplex
2. Split
3. Merge & Commit
S
S D
D
S
S D
D
RDR-MirroredSystem Disks &
Data disks
ApplicationKeeps Running
Patch/Hot-fixGets Applied
Re-mirror fromLatest System &
Latest DataDisks
Outside
World
Outside
World
Outside
World
Outside
World
Outside
World
Outside
World
Enet,
EMC, etc
SystemDisks
DataDisks
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ROOT-CAUSE ANALYSIS
Accurate error data capture to prevent problem recurrence
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24hr Customer Assistance
Centre
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Component fails. System
ISOLATES fault and notifies
Stratus that a CPU has
failed
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System automaticall
y ordersCORRECT
replacement part
Next DayNext DayDelivery Delivery ServiceService
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Hot-pluggable
components are EASY to
replace
Next DayNext DayDelivery Delivery ServiceService
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System synchronizes
with replacement component
Next DayNext DayDelivery Delivery ServiceService
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Worldwide Services
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Stratus is the first and only vendor to report daily the
reliability of its installed base of systems worldwide.
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UnmatchedOperational
Simplicity
CompellingFinancial Advantage
Continuously AvailableSolutions
Stratus, in conjunction with offer a unique virtualisation proposition…