4405ch02 Architecture and technical overview.fm Draft Document for Review May 28, 2009 1:59 pm
58 IBM Power 570 Technical Overview and Introduction
storage solutions or simply high capacity storage for a single server installation, the unit
provides a cost-effective solution. It provides 24 hot-swappable disk bays, 12 accessible from
the front and 12 from the rear. Disk options that can be accommodated in any of the four
six-packs disk drive enclosure are 73.4 GB, 146.8 GB, or 300 GB 10 K rpm or 36.4 GB,
73.4 GB, or 146.8 GB 15 K rpm drives. Each of the four six-packs disk drive enclosure might
be attached independently to an Ultra320 SCSI or Ultra320 SCSI RAID adapter. For high
available configurations, a dual bus repeater card (FC 5742) allows each six-pack to be
attached to two SCSI adapters, installed in one or multiple servers or logical partitions.
Optionally, the two front or two rear six-packs might be connected together to form a single
Ultra320 SCSI bus of 12 drives.
2.11.3 IBM System Storage N3000, N5000 and N7000
The IBM System Storage N3000 and N5000 line of iSCSI enabled storage offerings provide a
flexible way to implement a Storage Area Network over an Ethernet network. Flexible-Fibre
Channel and SATA disk drive capabilities allow for deployment in multiple solution
environments, including data compliant retention, nearline storage, disk-to-disk backup
scenarios, and high-performance mission-critical I/O intensive operations.
Newest member of the IBM System storage N series family are the N7000 systems. The
N7000 series is designed to deliver midrange to high-end enterprise storage and data
management capabilities.
See the following link for more information:
http://www.ibm.com/servers/storage/nas
2.11.4 IBM TotalStorage Storage DS4000 Series
The IBM System Storage DS4000™ line of Fibre Channel enabled Storage offerings provides
a wide range of storage solutions for your Storage Area Network. The IBM TotalStorage
DS4000 Storage server family consists of the following models: DS4100, DS4300, DS4500,
and DS4800. The Model DS4100 Express Model is the smallest model and scales up to
44.8 TB; the Model DS4800 is the largest and scales up to 89.6 TB of disk storage at the time
of this writing. Model DS4300 provides up to 16 bootable partitions, or 64 bootable partitions
if the turbo option is selected, that are attached with the Gigabit Fibre Channel Adapter
(FC 1977). Model DS4500 provides up to 64 bootable partitions. Model DS4800 provides
4 GB switched interfaces. In most cases, both the IBM TotalStorage DS4000 family and the
IBM System p5 servers are connected to a storage area network (SAN). If only space for the
rootvg is needed, the Model DS4100 is a good solution.
For support of additional features and for further information about the IBM TotalStorage
DS4000 Storage Server family, refer to the following Web site:
http://www.ibm.com/servers/storage/disk/ds4000/index.html
2.11.5 IBM System Storage DS6000 and DS8000 series
The IBM System Storage Models DS6000™ and DS8000™ are the high-end premier storage
solution for use in storage area networks and use POWER technology-based design to
provide fast and efficient serving of data. The IBM TotalStorage DS6000 provides enterprise
class capabilities in a space-efficient modular package. It scales to 57.6 TB of physical
storage capacity by adding storage expansion enclosures. The Model DS8000 series is the
flagship of the IBM DS family. The DS8000 scales to 1024 TB. However, the system
architecture is designed to scale to over one petabyte. The Model DS6000 and DS8000
systems can also be used to provide disk space for booting LPARs or partitions using
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