IBM ServeRAID-6M SCSI Controller - 128MB Cache 39R8815 用户手册
产品代码
39R8815
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Technology for performance and
reliability
With a data transfer rate
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of up to
320MBps, Ultra320 SCSI delivers
twice the performance of Ultra160
SCSI. New technologies
including
packet support, quick Arbitration and
Selection (QAS), read and write data
streaming, flow control and enhanced
filtering
allow data to transfer safely
and reliably at 320MBps. Both
Ultra320 and Ultra160 hard disk
drives
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can be used side by side with
ServeRAID-6 controllers, letting you
phase in some of the costs of
upgrading to higher-performance
Ultra320 drives.
Superior scalability
Each ServeRAID-6 controller can
support up to 14 devices per Ultra320
SCSI channel — as much as 2TB of
data. Install one or more controllers in
an xSeries server and add EXP300
Storage Expansion Units to expand
protected storage on a massive,
large-enterprise scale.
Designed for availability
The sizable battery-backed cache of
ServeRAID-6 controllers helps keep
power interruptions from endangering
your data
.
For high-availability
environments, IBM ServeRAID-6M
controllers are certified with
Microsoft®
Cluster Service (MSCS) for
use in two-node clustering
environments. Plus, ServeRAID-6M
controllers support adapter failover
under certain operating systems.
RAID levels enhance flexibility
In addition to RAID levels 0, 1 and 5,
you can also choose IBM Enhanced
RAID-1 (1E) or Enhanced RAID-5
(5EE). RAID-1E lets you mirror your
data with three or more disks—odd or
even—for more efficient utilization of
hard disk drives. RAID-5EE uses the
hot spare as an active participant in
the array, improving performance.
ServeRAID-6 controllers also support
striping of multiple RAID-0, 1, 1E or 5
arrays into spanned arrays, which
allows the capacity of two or more
arrays to be combined into a single
storage array. These spanned array
configurations use RAID levels 00, 10,
1E0 and 50. FlashCopy®, an IBM
software feature, lets you back up
logical drives instantly in many cases
without shutting down your
applications.
Superior usability and control
IBM ServeRAID Manager software
provides the flexibility needed for
small installations or large enterprise
storage networks. ServeRAID
Manager works smoothly with IBM
Director systems management
software for integration with larger
systems.
IPSSEND makes configuring and
rolling out large numbers of servers
simple. With IPSSEND, you can copy
and distribute ServeRAID controller
configurations and data images
across multiple servers, saving
valuable time and resources.
Help protect your data, your investment
and your business
Logical Drive Migration enables
ServeRAID-6 controllers to handle
capacity changes in background
mode and allows new RAID logical
drives to be added while your server
continues to operate.
ServeRAID-6 controllers store critical
RAID configuration information in
multiple places— nonvolatile RAM on
the controller and in a reserved area
on all the attached disks. This redun-
dancy for the most crucial portion of
your RAID subsystem data helps you
recover more quickly and easily from
a disaster.
Copyback automatically recreates
your original array after a failed drive
has been replaced.