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Overview
The newest member of the SentinelRAID series is designed with
Infortrend's 133MHz chipsets and PowerPC 750CXe CPU for fast,
high-throughput RAID operation. I/Os are rapidly processed
and distributed to array hard drives via a high-speed 64-bit
data path in the maximum bandwidth of 1056MB/second. The result
is a controller ready for future applications that require
both high sustained data rates and fast I/O turnaround.
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Features
High Flexibility
All SCSI channels can be defined as either host or drive. This allows
integrators a flexible deployment for connecting multiple host systems
through independent channels. Firmware upgrade can be performed
on single or redundant controllers during active services. Controllers
can shift I/Os temporarily allowing firmware on both controllers
to be updated. In the unlikely event of controller failure, a failed
unit can be replaced with one running later version of firmware.
64 array partitions and 128 LUNs per controller are supported.
High Data Availability
The controller's advanced capabilities ensure the highest level
of availability and fault tolerance. The capabilities include: automatic
drive failure detection and background rebuild, bad sector reassignment,
auto failback/failover, multi-level RAID, to name a few.
When the controller detects a hard drive failure in a RAID 1, 3,
or 5 logical drive, the disk array instantly replaces the failed
disk with a hot-spare. Data is reconstructed into the hot-spare
drive without interference to the host. In the absence of a hot-spare
drive, users can hot-swap the failed drive with a new one and an
automatic rebuild will begin.
The battery backup option protects write-back cache data from sudden
power interruptions. The battery supplies auxiliary power to maintain
cached data for up to 72 hours.
Bad Media Management
The controller is capable of detecting bad sectors on SCSI drives
during disk reads or writes, recovering the data from parity fault,
and performing bad sector reassignments. Bad sector management is
fully transparent to host.
The controller supports active-active redundancy with a synchronized
write-back cache.
Each controller has a dedicated high-bandwidth channel for an exact
replica of the counterpart's cached data. I/Os belonged to a failed
controller can be automatically transferred to the surviving controller,
and vice versa to the replacement making failover and failback totally
transparent to host.
Zero Down-Time Technology
The controller is designed from top to bottom to be hot-swappable.
The docking connectors and special canister mechanism ensure joining
and separating main board free of signal glitches and power surge.
With automatic failover/failback, auto rebuild, synchronized cache,
disk array operation is thoroughly protected from possible causes
of downtime.
Board-Only Solutions for OEMs
SentinelRAID controllers are the ideal solutions for OEM customers
who design their own backplanes. The controller board can be readily
integrated with a cableless and hot-swappable enclosure design via
the connection of all supported signals over docking connectors.
Full technical specifications are detailed on the pdf.
Download
the printable PDF from our FTP site!
Please contact our sales team at sales@caeneng.com or our service department at support@caeneng.com if you want to find out more!
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