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Underlying
technologies
and reducing
the risk
Stratus
Technologies
Andy Bailey
1
In today’s world,
there is an
expectation that
Stratus
systems are “
always available”.
The Smarter
Approach to
Uptime™
Every
application
is “mission
essential”.
Andy Bailey
2
Stratus
The Smarter
Putting
a
perspective
on
the
cost
of
Approach to
downtime…..
Uptime™
Andy Bailey
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
€272,200
€1,051,500
Average Per Hour
Source: HP analysis of 158 companies across EMEA, Summer 2005
3
Risk Factor
Risk Factors associated with
Virtualisation
No. Applications
4
Underlying technologies and
reducing the risk
5
The host becomes a single point of
failure.
Virtual servers
6
Stratus’ approach is to prevent any
failure conditions……..
Primary environment
7
…..rather than recovering from
failures
DR environment
8
Stratus
Technology to “deThe Smarter
risk”
aggressive
Approach to
virtualization
Uptime™
deployments
Andy Bailey

Always or “Continuously”
available

Simple to operate and
maintain
uses commercially available
operating systems
 everything is “hotplug”


Uncompromising TCO
Acquisition
 Management
 Downtime

9
Stratus
At Stratus,
“Availability”
is
The Smarter
the
Approach
to
Uptime™ focus of
primary
Andy Bailey
everything
we do!
10
The Company
11
HQ – Boston, MA
12
Stratus Customers
13
Constantly changing
data is needed in
real-time to make
decisions
14
The server is a direct
interface between a
business and
its customers
15
Availability of the
application is a
direct contributor to
revenue
16
Single transaction is
of enormous value
or
critical importance
17
Technology
18
FULL
REDUNDANCY All components
are duplicated
19
Embedded I/O
Disks
PCI
Embedded I/O
Fault
Detection
&
Isolation
Fault
Detection
&
Isolation
Fault
Detection
&
Isolation
Fault
Detection
&
Isolation
CPU
Chipset
Memory
CPU
Lockstepped CPUs
Disks
PCI
Chipset
Memory
Processors run in “Lockstep”
20
Multi-path I/O capability
Multi-path I/O
Disks
PCI
Embedded I/O
Disks
PCI
Embedded I/O
Fault
Detection
&
Isolation
Fault
Detection
&
Isolation
Fault
Detection
&
Isolation
Fault
Detection
&
Isolation
CPU
Chipset
Memory
CPU
Chipset
Memory
21
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
22
What happens to
the data?
23
Disks run in Full
Duplex mode
24
Memory is
mirrored and
synchronised
25
Network ports are
duplicated and
“teamed”
26
OS and S/W
reliability
27
OS Support &
Failsafe software
Red Hat® Linux® OS
28
S/W versions
W2003 Enterprise
Edition
W2003 Standard
on entry-level
29
Stratus Failsafe
software
32
Reliably distinguishes
software issues from
hardware issues to
speed problem
resolution –
TRANSIENT ERROR
PROTECTION
33
Driver hardening
ensures
uninterrupted
processing
if an I/O interface
fails
34
Rapid disk
resynchronization
transparently mirrors
disks and protects
data integrity
35
Active Upgrade™
Technology
Addresses major
causes of planned
downtime
36
What is Active Upgrade?
1. Duplex
Outside
World
Enet,
EMC, etc
S
D
S
D
System
Disks
2. Split
3. Merge &
Commit
Outside
World
Outside
World
RDR-Mirrored
System Disks &
Data disks
Data
Disks
D
Application
Keeps Running
S
D
Patch/Hot-fix
Gets Applied
S
D
S
D
S
Re-mirror from
Latest System &
Latest Data
Disks
37
ROOT-CAUSE
ANALYSIS
Accurate error data
capture to prevent
problem recurrence
38
Service
Methodology
39
24hr Customer
Assistance Centre
40
Component
fails. System
ISOLATES fault
and notifies
Stratus that a
CPU has failed
41
Next Day
Delivery
Service
System
automatically
orders
CORRECT
replacement
part
42
Next Day
Delivery
Service
Hot-pluggable
components
are EASY to
replace
43
Next Day
Delivery
Service
System
synchronizes
with
replacement
component
44
Worldwide
Services
45
Stratus is the first and only vendor to
report daily the reliability of its
installed base
of systems worldwide.
46
Stratus, in conjunction with
offer a unique virtualisation proposition…
Continuously
Available
Solutions
Unmatched
Operational
Simplicity
Compelling
Financial
Advantage
47