IBM Rack Mount Enclosure tbv 2108-S20 2108-2000 Leaflet

Product codes
2108-2000
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High-function connectivity for IBM serial disk systems
IBM Storage Area Network Data Gateway
for Serial Disk
Highlights
Provides Ultra SCSI connectivity
for UNIX** and Windows NT**
servers
Provides host-independent disk
mirroring for high availability,
disk concatenation for large-
volume groups, and Instant Copy,
which creates a separate copy of
data for tape backup
Supports multiple gateways with
the IBM StorWatch* SAN Data
Gateway S20 Specialist
Scales up to enable as many as
eight host attachments for each
serial loop
Can maximize Ultra SCSI host
adapter bandwidth potential
Flexible Ultra SCSI host
attachment
The IBM Storage Area Network (SAN) Data
Gateway for Serial Disk enables IBM 7133,
7131, and 3527 serial disk systems to
attach to host systems by using Ultra SCSI
and SCSI host adapters and drivers. All
7133 models are supported, including 36.4,
18.2, 9.1, and 4.5 GB capacities.
Powerful host-independent
functions
Host-independent RAID 1 disk mirroring
can improve performance and data
availability while simplifying operations.
The SAN Data Gateway replicates data
across or within serial disk systems—
simultaneously mirroring two or three
copies of data without host involvement.
With global hot disk sparing, data is
automatically rebuilt if a mirrored disk fails.
With SSA fibre optic extenders, mirrored
7133 Advanced Models D40 or T40 can
be separated by up to 10 km, and the SAN
Data Gateway and any 7133 model can
be separated by up to 2.4 km.
With 36.4 GB disks, logical volume groups
or partitions up to 580 GB can be created
for Windows NT servers, which have limited
volume addressing. The SAN Data
Gateway can create composite drives by
concatenating up to 16 physical disks.
Instant Copy can create a separately
addressable copy of mirrored data that
can be used for tape backup. After the
backup has completed, the SAN Data
IBM SAN Data Gateway for Serial Disk
Gateway re-synchronizes the data with
the primary copy.
To protect serial disk storage investments,
the SAN Data Gateway disk controller can
be replaced by the IBM Versatile Storage
Server* if requirements change.
Simplified management
The StorWatch SAN Data Gateway S20
Specialist is a Windows NT-based
management tool that provides configu-
ration and service functions—including
mirror group definition, creation of
composite drives, and Instant Copy disk
management—and can also manage
multiple SAN Data Gateways across the
enterprise.
A highly scalable solution
The SAN Data Gateway supports up to 64
serial disk drives in a single loop and
provides the capability to grow disk
capacity in a non-disruptive manner from
18.2 GB to 2.3 TB as requirements change.
As many as eight UNIX and Windows NT