The document discusses tape virtualization and the CentricStor product. It notes that tape virtualization can help address issues with backup jobs not completing, low tape drive utilization, quality problems, and high costs. CentricStor integrates the benefits of disk and tape, allowing backup applications to focus on their core functions while CentricStor manages storage location policies and improves tape operation quality. It also enables consolidation to reduce costs.

1. CentricStor Virtual Tape
Intelligent Data
Protection
Radu Climescu
Bucharest, January, 2009

2. Content
Why Tape Virtualisation?
CentricStor
 Integrating the best of both worlds – disk and tape
 Saving costs with consolidation
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3. Why Tape Virtualisation?
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4. Why Companies look at VTLs Tape Drive
Backup Job
 Backup jobs not
completing?
 Tape drive utilisation low?
 Tape drive quality
problems?
 Aggressive recovery time
objectives (RTO)?
 High operating costs of
nearline infrastructure?
© by Sophie Graf
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5. How Tape Virtualisation Helps
Backup Appl.
CentricStor
LD LD LD LD  Enough tape drives for all backup jobs
 Successfully completed backup tasks
LV LV LV LV
 Better utilisation of physical tape drives
logical
 No stressful start stop operation
physical
PD PD  Faster response on restore requests
PV PV
Physical Tape Library
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6. Integrating the best of both worlds
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7. Disk Back-up
Disk enables …
 Tape virtualisation
L_Vol L_Vol L_Vol L_Vol
…
 Robust backup jobs
 Optimised throughput
 Better quality in real tape operation
Tape Tape
 Faster restores
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8. Tape back-up
… But Tape is Still Important © by Sophie Graf
 Best economy of scale
 Best medium for long term archiving
 Most energy efficient way of storing data
 Less error prone than disk
 52% of disk & tape users plan to increase
tape usage*
 13% decrease of disk only systems in 2007*
 58% of disk only users plan to start using
tape*
© by Sophie Graf
*) according to Fleishman-Hillard
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9. Integrating the best of both worlds
How CentricStor addresses both worlds
Focus Backup Application on Core
Competence Policy Driven Mgmt of Storage
Location
 No need to actively manage the Backup Appl.
storage location of a saveset  Long term / less access on
CentricStor tape
 Offload media mgmt tasks to
CentricStor  Demanding RTO on disk
LD LD
 Short term data on disk only
 Critical data on mirrored disk /
multiple tape copies
LV LV
Improve Quality of Tape Operation logical
 No stressful start/stop operation physical
 Automatic tape reorganisation PD PD
 Automatic tape refreshing PV PV
 Dual / Triple Save / Vaulting
Physical Library
 Seamless migration to new tape
technologies
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10. Saving costs with consolidation
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11. CentricStor Support in the Frontend
CentricStor True Tape Virtualization
Multivendor server environments
 Superior connectivity for almost
any server and operating system
 Certified for all major
backup applications
 Integrates seamlessly into
existing infrastructures
 Self-contained
Various tape and disk technologies
 Hides the complexity of backup
storage devices from all servers
 Autonomous control of the
total storage backup infrastructure
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12. CentricStor Software Support
CentricStor Support in the Frontend*)
UNIX / LINUX Windows Mainframe
Open Systems Backup Mainframe Backup
Tape Mgmt Systems
FC FICON ESCON LAN ctrl
Jukebox ctrl
LD LD LD LD LD LD LD Virtual Lib Ctrl
CentricStor
*) for details refer to http://partners.fujitsu-siemens.com/teams/cpc/default.aspx --> Quick Links / CS Support Matrix
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13. CentricStor Support in the Backend
Scalar i500, Scalar i2000, Scalar 10k,
ADIC/Quantum
Scalar 100, Scalar 1000, AML/J, AML/E, AML/2
Fujitsu ETERNUS LT130, LT160, LT270
Fujitsu Siemens 3560, 9084-221, FibreCAT TX24, SL500
IBM 3494, 3584 / TS3500
Spectra Logic T50, T120, T950
StreamLine SL500, SL8500; L180, L700e,
Sun StorageTek L1400, L5500, Powderhorn 9310, TimberWolf
9740
LTO Ultrium Gen 1, Gen 2, Gen 3, Gen 4
Magstar 3590, Jaguar 3592 /
IBM
TS1120
Fujitsu Siemens Magstar 3591
Sun StorageTek T9840, T9940, T10000
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14. Support future growth and standards:
No limits – unmatched scalability
CentricStor Grid Architecture
 The “centric” storage for data protection
 Modular building blocks
 Designed for
unlimited disk cache
 Performance
 actual models with
> 2 PB capacity (compressed)
 1.500.000 Virtual Volumes
 Scalability in all dimensions
 Frontend
- Virtual tape drives
- Throughput
 Backend
- Physical tape drives
- Backup capacity
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15. Business continuity:
Protected data needs to be replicated
CentricStor Grid Architecture Redundant data protection
 Building blocks spread across  Active-active disk cache mirroring
different physical locations
 Immediate recovery after a site outage
 Long distance connections
 Automated triple save for tape:
 Automatic failover against site outages - two local copies against media errors
 Unmatched disaster resilience - third copy at the vault location
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16. Seamless change to future technology:
Some data has to be stored for years
True Tape Virtualization Without server drawback
 Always the newest tape technology  Seamless swap
 Technology change by CentricStor VT  Maintain only one current standard
 Easy doubling physical library capacity  Always the most economic footprint
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17. Support different retention policies:
ILM with disk and tape
CentricStor VT - the only “Dual Target”
virtual tape solution on the market
 Optional choice of
 D2D2T / long term
 D2D / short term
lifetime of your backup
Economic use of disk
 Compression of tape data
before entering disk
Tape encryption
 Protection against loss of data
 Seamless plug-in integration
 Best of breed encryption appliances
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18. The most energy efficient technology:
Green Storage – CentricStor VT
The most advanced integration of tape
 Not all data needs to be stored on disk
 Resource usage appropriate
to the value of data
 Tape is still the most energy
efficient way to store data
 Managed tape storage needs less
power than comparable disk solutions
Consolidation reduces
 Total cost of backup storage
 Footprint for backup and archiving
 Power consumption
 Data center air conditioning
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19. More Information on …
http://www.centricstor.com
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