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IBM Storage
IBM TotalStorage Expansion Units
IBM TotalStorage DS4800
- 4 Gbps Fibre Channel interface technology
- Up to 1724 MBps bandwidth for high-throughput
applications
- Intermix of Fibre Channel and SATA hard disk
drives supported in the EXP810 storage expansion unit
- Includes IBM System Storage™ DS4000™ Storage
Manager to help centrally manage the DS4000 series
- Eight host channels for increased connectivity
- Supports intermix of EXP810, EXP710 and EXP100
4 Gbps Fibre Channel interface technology
The IBM System Storage DS4800 disk storage system supports a high-performance 4 Gbps
Fibre Channel interface for increased host connectivity to deliver necessary
bandwidth for high-throughput applications. It is designed for data-intensive
applications that demand increased connectivity provided by eight 4 Gbps host
channels designed to provide up to 1724 MBps of sustained bandwidth for
high-throughput applications through the eight channels directly attached to the
host servers or connected to a Fibre Channel storage area network (SAN).
Designed to help lower your Total Cost of Ownership (TCO)
The IBM System Storage DS4800 disk storage system offers customers a 4 Gbps SAN
solution to take advantage of the performance offered by 4 Gbps technology.
There are two ways to measure performance of an SAN device: Megabytes per second
(MBps) and input/output per second (IOPS). The IBM DS4800 4 Gbps SAN product has
very impressive performance numbers. It is designed to offer up to 1724 MBps
throughput with up to 575,000 IOPS. A 2 Gbps storage array can require up to
twice as many host ports as a 4 Gbps array to deliver the throughput of four 4 Gbps
ports. This frees up ports in the SAN for each array.
On the host side, if a server requires more than two 2 Gbps host bus adapters (HBAs)
to attain the required performance (a server should have at least two HBAs for
availability), then that number can be halved with 4 Gbps. Fewer HBAs help lower
the number of switch ports used and can help reduce overall cost.
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Common features |
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Hardware summary |
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Dynamic Capacity Expansion (DCE)
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System Storage DS4000 Storage Manager software
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Ability to mix FC and SATA disk attachment units
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IBM FlashCopy® to take point-in-time copies of logical
volumes
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Dynamic Volume Expansion
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VolumeCopy feature is designed to provide full
replication of one logical volume to another
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Enhanced Remote Mirror to multi-LUN applications
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Share a common pool of hot-spare disk drives among
multiple DS4800 systems
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Up to 8 GB cache battery-backed per controller
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Eight host ports and eight drive ports-Fibre Channel
(FC) Switched and FC Arbitrated Loop (FC-AL) standard, auto-sensing 1 Gbps/2
Gbps/4 Gbps
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Supports 36.4 GB, 73.4 GB, 146.8 GB and 300 GB 10,000
rpm drives and 36.4 GB, 73.4 GB, 146.8 GB and 300 GB 15,000 rpm drives,
400 GB, 500 GB and 750 GB 7200 rpm drives
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RAID level 0, 1, 3, 5 and 10 support
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8, 16, 32, 64, 128, 256 or 512 storage partitions*
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224 FC drives (using 14 DS4000 EXP810, 16 using DS4000
EXP710 Expansion Units) or 224 SATA drives (using 16 DS4000 EXP100
Expansion Units). Supports intermix of EXP810, EXP710 and EXP100 Expansion
Units.
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Dual redundant, hot-swappable cooling fans
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19-inch, industry-standard rack
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| 4 Gbps
FC host ports |
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- Deliver high bandwidth for the most
demanding applications
- Provides up to 1724 MBps of sustained
bandwidth for high-throughput applications through the eight channels
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Backward compatible with 1 Gbps and 2 Gbps devices |
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- Plan for the future while leveraging
current investments
- Auto-negotiation of connection speed
eases configuration in mixed environments
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Supports multiple RAID levels |
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- High availability and security for
mission-critical data
- Flexibility to configure system to
meet varying service levels
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Redundant, hot-swappable components |
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- Replace components without stopping
the DS4800
- Helps meet demanding service levels
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to 224 FC or SATA drives |
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- Upgrade from a workgroup SAN to an
enterprise network storage system with a single DS4800
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Dynamic Capacity Expansion (DCE) |
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- Add DS4000 EXP810, DS400 EXP710 or
DS4000 EXP100 enclosures to an existing DS4800 without stopping
operations
- Bring unused storage online for a new
host group or an existing volume to provide additional capacity
on demand
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to 512 partitions |
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- Optimize the utilization of storage
devices
- Reduce hardware and storage management
costs
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System Storage DS4000 Storage Manager software |
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- Centralized management of all local
and networked DS4000 series systems
- Quickly configure and monitor storage
from a browser-based interface
- Configure volumes, perform routine
maintenance and add new enclosures and capacity without interrupting
access to data
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Mix FC and SATA disk attachment units |
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- Allocate FC disk to applications that
demand the highest performance and have high I/O rates
- Save hardware costs by allocating less
expensive SATA drives to applications that require less performance
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FlashCopy |
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- Make point-in-time copies of logical
volumes for file restoration, backups, application testing or data
mining
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Dynamic Volume Expansion |
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- Expand logical volumes without
disrupting operations
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Characteristics
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Model |
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1815-80A, 1815-82A, 1815-84A, 1815-88A
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RAID controller |
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Dual active |
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Cache |
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Model 80: 4 GB
Model 82A: 4 GB
Model 84A: 8 GB
Model 88: 16 GB
battery-backed |
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Host interface |
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8 host ports—Fibre Channel (FC) Switched and FC
Arbitrated Loop (FC-AL) standard, auto-sensing 1 Gbps/2 Gbps/4 Gbps
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Drive interface |
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8 drive ports—Fibre Channel (FC) Switched and FC
Arbitrated Loop (FC-AL) standard, auto-sensing 2 Gbps/4 Gbps
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Supported drives with expansion units
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750 GB: 7.2K rpm, SATA II (E-DDM)
1000 GB: 7.2K rpm, SATA (E-DDM)
2 GBPS FC: 10K rpm, 73.4 GB (E-DDM)
2 GBPS FC: 10K rpm, 146.8 GB (E-DDM)
2 GBPS FC: 10K rpm 300 GB (E-DDM)
2 GBPS FC: 15K rpm 36.4 GB (E-DDM)
2 GBPS FC: 15K rpm, 73.4 GB (E-DDM)
2 GBPS FC: 15K rpm, 146.8 GB (E-DDM)
4 GBPS FC: 15K rpm, 36.4 GB (E-DDM)
4 GBPS FC: 15K rpm, 73.4 GB (E-DDM)
4 GBPS FC: 15K rpm, 146.8 GB (E-DDM)
4 GBPS FC: 15K rpm, 300 GB (E-DDM)
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RAID levels |
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0, 1, 3, 5, 10 |
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Storage partitions |
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8, 16, 32, 128, 256 or 512 storage partitions*
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Maximum drives supported
Note: DS4800 supports intermixing EXP810, EXP710 and
EXP100 Expansion Units |
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Model 80A: 224 drives (using 14 DS4000 EXP810, 16
EXP710 or EXP100 Expansion Units)
Model 82A: 224 drives (using 14 DS4000 EXP810, or 16
EXP710 or EXP100 Expansion Units)
Model 84A: 224 drives (using 14 DS4000 EXP810, or 16
EXP710 or EXP100 Expansion Units)
Model 88A: 224 drives (using 14 DS4000 EXP810, or 16
EXP710 or EXP100 Expansion Units) |
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Fans and power supplies |
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Dual redundant, hot-swappable |
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Rack support |
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19-inch, industry-standard rack |
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Management software |
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IBM System Storage DS4000 Storage Manager Version
10.10 |
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SAN support |
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Supported IBM FC switches and directors (product
numbers 2005, 2006, 2109, 2026, 2027, 2031, 2032, 2034, 2042, 2054, 2061
and 2062, and IBM BladeCenter®) |
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Warranty |
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Three year parts and labor warranty, 9x5 next
business day, upgradeable to 24x7 with four hour response
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Physical characteristics
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Dimensions |
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H 174.50 mm (6.87 in)
W 481.75 mm (18.97 in)
D 634.92 mm (25.0 in) |
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Weight |
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36.38 kg (80.2 lb) |
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Supported systems1 |
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For a list of currently supported servers, operating
systems, host bus adapters, clustering applications and SAN switches and
directors, refer to the DS4800 Interoperability Matrix available at
ibm.com/storage/disk/ds4000/ds4800.
For availability dates, configuration options, and attachment
capabilities, refer to: ibm.com/storage/disk/ds4000/ds4800
The DS4800 is supported only in rack installations.
With optional features, up to 14 DS4000 EXP810, or 16 EXP710/EXP100
Expansion Units can be attached to the DS4800 a maximum of 224 drives. |
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