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Chapter 1 - Overview
SANS DIGITAL TR4M enhances your data storage by combining advanced RAID
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features typically seen on high-end data
systems with high capacity Serial ATA (SATA) drives. By using industry standard SATA drives and Silicon Image Host Bus
Adapters, you can achieve extraordinarily performance while remaining assured that your data is protected against
hardware failure.
1.1 PRECAUTION
Please read the safe precautions carefully before you using SANS DIGITAL TR4M storage appliance. Ensure that you use
the product correctly according to the procedure described in this guide.
The following safety precautions are intended to remind you to operate the product safely and correctly. Please read and
ensure that you understand them before you proceed to the other sections of this guide.
• Do not attempt to disassemble or alter any part of the product that is not describe in this guide.
• Do not allow the product to come into contact with water or other liquids. In the event that water or other liquids
enter the interior, immediately unplug the product from the computer. Continued use of the product may result in
fire or electrical shock.
• Do not handle the product near a heat source or expose them to direct flame or heat.
• Never place the product in close to equipment generating storage electromagnetic fields. Exposure to strong
magnetic fields may cause malfunctions or corrupt data.
• TR4M does not support Windows 3.x/ 95 / 98SE/ ME/ NT.
• Before the unit operating, Hard disk drive needs to be installed.
1.2 FEATURES
1.2.1 Data Security
The SANS DIGITALTR4M software utility includes monitoring software for possible defective hard drive:
• RAID 1, 10 and 5 is supported with the use of the software. RAID levels 1, 10, and 5 will prevent data loss, even
when one of the hard drives in the RAID is defective.
• Supports hot-spare so that risk can be minimized by automatically regenerating the failed disk’s data on a backup disk.
• Support for Self-Monitoring Analysis and Reporting Technology (S.M.A.R.T.
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) to check disk physical status.
• Drives can be moved between controllers without losing data.
1.2.2 Data Versatility
The SANS DIGITAL TR4M software utility support Contiguous (Just a Bunch of Disk, JBOD mode) and Concatenated
(Spanning mode) drives for applications which do not require security or performance.
1.3 EASE OF USE
The SANS DIGITAL TR4M utility offers an easy to use interface for creating and managing your storage:
• Support SATA-II Port Multiplier support
• Support 3Gbit/sec transfer rate
• Creating and deleting volumes is possible without restart of the operating system
• Auto-Rebuilds supported so that it does not require the data to be taken off-line.
1.4 SPECIFICATIONS
• A single eSATA host port to 4 SATA 3.5-inch hard disks, with tool-less screws & door cover.
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Redundant Array of Independent Devices, a method of combining drives to provide better protection and/or
performance.
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Self Monitoring, Analysis and Reporting Testing.
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