Transcript LSI Logic Storage Systems External Template

SATA In Enterprise Storage
Ron Engelbrecht
Vice President and General Manager
Engineering and Manufacturing Operations
September 21, 2004
Engenio Information Technologies
• Leading designer and manufacturer of high
performance disk storage technology
 24 years of open storage technology innovation
• More than 180 storage patents
 Shipped over 212,000 storage systems
• Over 18 PB in 2003 alone
 Installed footprint of $13.3 billion
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Serial ATA – Ready For The Enterprise
• SATA’s serial interface and faster mechanism have
enabled it to enter the enterprise storage market
Interface
Parallel ATA
Serial ATA
Consequence
Transmission
Parallel
Serial
Performance
Bandwidth
133 MB/s (max)
150 MB/s
Performance
Connections
Master / slave
Point-to-point
Performance
Scalability
Mechanism
PATA
SATA
Consequence
Rotational velocity
5,400 RPM
7,200 RPM
Performance
Average time to data
(latency + seek)
~ 16 ms
~ 13 ms
Performance
Max sustained data
transfer rate (drive)
46 MB/s
59 MB/s
Performance
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Application Access Patterns – IOPS
• Random, small-block transfers
 OLTP, databases, Exchange
 Vast majority of enterprise applications
• Drive performance enablers:
 Number of drives
• More drives equals more IOPS
 Seek time, latency, rotational
velocity, command queuing
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Application Access Patterns –
Throughput
• Sequential, large-block transfers
 Video servers, rich media,
seismic processing, HPC
• Drive performance enablers:
 Data transfer rate, max I/O size,
command queuing
• Max controller bandwidth typically
reached with relatively low number
of drives, negating small differences
in per drive transfer rates
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Classes Of Disk Storage
Primary
Secondary
Entry-level
OLTP, databases,
ERP, email
Retention managed data
fixed content, D2D backup
1st external RAID
File / print server
IOPS performance
Highest
Minimal
Minimal
MB/s performance
Highest
High
Minimal
Time to data
Immediate
~ Immediate
~ Immediate
Media reliability
Highest
High
High
Uptime
24/7
< 24/7 OK
< 24/7 OK
Price
Higher is OK
Low cost-per GB
Lowest
Primary media
FC disk
SATA disk
SATA / SCSI disk
Typical applications
Requirement
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Enterprise SATA Applications
• Secondary storage applications
 Disk-to-disk backup / restore
 Disaster recovery
 Fixed content / reference data
• Bandwidth / streaming applications (HPC)
 Good throughput at low cost per MB
• Entry-level SMB
 Low-cost, low I/O requirements
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Secondary Storage Applications
• Disk-to-disk backup / restore
 Shorter backup time / higher application availability
 Spinning archive enables faster restores
 Improved backup / restore reliability
• Fixed content / reference data
 Medical imaging, object folders, historical reports
 “Nearline” – data previously stored on tape
• Disaster recovery
 Restoration source of archived information
 Hot site storage of “like” data from primary site
• Temp work space for short-term processing
 Minimal IOPS performance requirements
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Primary Storage Applications
• Bandwidth / streaming applications
 High Performance Computing (HPC), video
streaming,
media / rich content, oil and gas
 Primary requirement: good throughput at low cost
per GB
• Entry-level SMB
 Primary requirement: low-cost
• Also has low performance requirement
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“How Will You Deploy ATA”
D2D Backup
Primary
Reference
/ archive
Test / temp
Disaster
recovery
40%
20%
20%
Email
All Respondents
40%
Current ATA Users
Baird – Storage and IT Survey III (Q2 ’04)
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Application Drive Requirements
• FC and SATA will typically be deployed to satisfy
very different application requirements
• FC – performance requirements
 Maximum number of spindles per box/capacity
point,
spinning at maximum rotations per minute
• SATA – cost-per-gigabyte requirements
 Minimum number of spindles per box/capacity point,
spinning at acceptably fast rotations per minute
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Designing An Enterprise-Class
SATA System
• Redundant pathing for single-ported SATA drives
• Dual-active controllers with automatic I/O path failover
• Redundant, hot-swappable components
• Fully-featured storage management
• Online administration and dynamic configuration
• Online scalability past initial enclosure
• Centralized administration of FC and SATA systems
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Engenio SATA Storage Systems
• Designed for environments that require lower cost
storage, but do not want to give up the availability
and functionality achieved with FC-based systems
 SATA systems utilize same controllers,
enclosures, firmware and management
software as enterprise-class FC systems
 Unique SATA Interface card provides
SATA drives with redundant I/O pathing
and FC-like functionality
 Robust firmware ensures data protection
and integrity
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SATA Solutions In The Field
• Customer: Veritas DGC
 A leading provider of integrated geophysical,
geological and reservoir technologies to the
petroleum industry worldwide
• Business problem:
 Bring more data online to: reduce the time of
completion of customer projects; handle more
customer projects in parallel; do the same projects
more cost effectively.
• SATA solution:
 Over 400 TB of SATA storage worldwide
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Thank You