External tape, DVD-RAM, optical, disk storage, and SAN components 429
Draft Document for Review October 18, 2004 5486ExtStor.fm
Model DS8300
The DS8300 offers scalability of physical capacity up to 192TB. Fibre channel
disks are available in 73 GB, 146 GB, and 300 GB capacities, intermixable within
a single system. The DS8300 incorporates IBM's POWER5 processor
technology in two dual four-way processor complex offerings, the DS8300
Models 922 and 9A2. The DS8300 Model 9A2 enables the creation of multiple
IBM TotalStorage Storage System logical partitions (LPARs).
For additional information about DS8000, see the following Web site:
http://www-1.ibm.com/servers/storage/disk/ds8000/index.html
IBM TotalStorage Enterprise Storage Server Model 750
The IBM TotalStorage Enterprise Storage Server (ESS) Model 750 is designed to
help meet the needs of clients who do not require the full range of capacity and
performance scalability offered by the ESS Model 800, but need enterprise level
functionality intended to support reliable, continuous access to data at an
affordable price.
The ESS Model 750 provides an entry point into the ESS product family
comprised of ESS Model 750 and ESS Model 800. The ESS Model 750 offers
many of the features of ESS Model 800, but is based on a two-way processor
with 8 GB cache and 2 GB of Non Volatile Storage (NVS). This is in contrast to
the four- or six-way processors available with the ESS Model 800.
With support for up to 4.6 TB of physical capacity and six 2 Gb Fibre
Channel/FICON® or ESCON® host adapters, the ESS Model 750 is designed to
provide an attractive price/performance balance for clients requiring smaller
configurations. The ESS Model 750 is well-suited for environments where the
workload access densities average two operations per second per GB.
With i5/OS V5R3 release Multipath function provides an alternative path support
for host attachment. With Multipath should there be a FC adapter failure,
input/outputs are routed through another fibre channel IOA in the same multipath
group. This is a low cost availability option that would typically cost an FC adapter
for any currently installed. This does not alter the requirement for a load source
disk that must be mounted in the iSeries. Multipath support for ESS is provided in
i5/OS V5R3
For additional information about ESS, see the following Web site:
http://www-1.ibm.com/servers/storage/disk/ess/
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