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RAIDBank4 Owner’s Manual
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host bus adapter and the host Operating System to be usable. Windows 2003, Vista, Windows
2008, Mac OS X >10.4.8, and Linux distributions with appropriate kernels all support large LUNS.
Windows XP and prior cannot address large LUNS natively over USB, and must use eSATA host
bus adapters that have RAID support to be usable. MicroNet offers such host bus adapters- consult
your MicroNet authorized reseller for more information.
3.1.4 The volume set attributes screen shows the volume set default configuration value that is
currently being configured. The volume set attributes are:
Volume Name Default name is RAIDbank-VOL#nn. You can rename the volume set
name providing it does not exceed 15 characters.
RAID Level RAID level 0,1, 0+1 (10), 3 and 5.
Stripe Size This parameter sets the size of the segment written to each disk in a
RAID 0, 1, 3, or 5 logical drive. You can set the stripe size to 4 KB,
8 KB, 16 KB, 32 KB, 64 KB, or 128 KB. A larger stripe size produces
better-read performance for mostly sequential reads. For better
random reads performance, select a smaller stripe size.
Write Cache Mode RAIDBank4 supports Write-Through and Write-Back Caching algo-
rithms. In the Write-Back caching method, modications to data in
the cache aren’t copied to the cache source until absolutely neces-
sary, whereas Write-Through cache data is written to the storage and
the cache memory simultaneously. Write-back caching yields better
performance than write-through caching because it reduces the num-
ber of write operations to disk, but is also more prone to data loss due
to service interruptions.
HOST Channel (SATA/USB) RAIDBank4 supports two host channels. Host Channel 0 is the host
eSATA interface, and Channel 1 is the USB 2.0 host interface.
Drive Number (LUN 0-4) RAIDBank4 supports 4 logical units. Any Volume Set may be mapped
to eSATA and/or USB host channels independently.
Host SATA Transfer Mode. SATA150, SATA150+NCQ, SATA300, SATA300+NCQ (default.)
SIMULTANEOUS HOST CHANNEL VOLUME MAPPING
The RAIDBank4 can map a Volumeset to both host channels simultaneously for clustering environment.
Never attempt to mount the same volume on both channels without proper clustering software.
Mounting the same volume on both channels without proper software can result in
data corruption or loss!
!
Press the UP/DOWN buttons to select the attributes. Press the ENT to modify each attribute of
the default value. Using UP/DOWN buttons to select attribute value or press ENT to accept the
default value. To complete the attribute definition, press ESC
3.1.5 Enter the appropriate volume size to fit your application. Each volume set must have a
selected capacity which is less than or equal to the total capacity of the RAID set on which
it resides.
3.1.6 Press ENT to select foreground initialization or ESC to select background initialization.
Background initialization allows immediate access to the new volume but at an increase volume
creation time. Foreground initialization does not allow access to the host until completion but at
a faster completion rate.
3-RAID Control-LCD