CRU Rax RAX Secure 3QJ Podręcznik użytkownika - Strona 6
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Drukuj stronę6 Frequently Asked Questions
Q: Can I daisy-chain both bays together so I can connect to
the computer with a single FireWire cable?
A: Yes. But for best performance, don't daisy chain other
Firewire devices to the same cable.
Q: When I change a drive to Write Protect Mode in my RAX
3QJp unit, I can still copy a file to the hard drive. Is the
file there?
A: No. The operating system will show the file on the drive,
but when you cycle power on the RAX 3QJp unit you
will see that the file is not actually there. Due to the
"spoof writing" style of write-blocking employed by this
product, any files you attempt to copy will appear to
copy successfully.
Q: Can I hot-swap drives with this product?
A: The RAX 3QJ and 3QJp units support hot-swapping over
USB and FireWire connections. If the eSATA/SATA host
supports this feature, the drives can be hot-swapped
via eSATA. All eSATA host cards currently sold by CRU
support hot swapping. Third-party host cards may or
may not support this feature.
Motherboard SATA connections often do not support
hot swapping, so a discreet host card is recommended.
Q: I've attached my unit and can see the volume, but it
shows up twice. Which one is real?
A: If you are seeing your volume mounted twice, chances
are the product is connected to the computer using
both the eSATA and FireWire connections. When this is
the case, the OS may attempt to mount the unit twice,
resulting in two volumes appearing. Simply turn off the
unit and unplug one of the connections to resolve the
problem.
Q: Can I hot-swap drives with this product?
A: RAX units support hot-swapping over USB and FireWire
connections. If the eSATA/SATA host supports this
feature, the drives can be hot-swapped via eSATA. Third-
party host cards may or may not support this feature.
Motherboard SATA connections often do not support
hot swapping, so a discreet host card is recommended.
Q: I've attached my unit and can see the volume, but it
shows up twice. Which one is real?
A: If you are seeing your volume mounted twice, chances
are the product is connected to the computer using
both the eSATA and FireWire connections. When this is
the case, the OS may attempt to mount the unit twice,
resulting in two volumes appearing. Simply turn off the
unit and unplug one of the connections to resolve the
problem.
Q: Why does my eSATA device appear as a Parallel SCSI
device in Mac OS System Profiler?
A: The "Serial ATA" tab in System Profiler shows devices
attached to the internal SATA bus, but not always
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devices attached to an eSATA host card. Sometimes
these devices will appear under the heading "Parallel
SCSI" instead. This is entirely normal and does not
indicate a problem with the device or its drivers.
Q: Why is my hard drive experiencing data corruption?
A: Many things can cause data corruption on hard drives,
whether they are inside your computer or inside an
external storage product. Malicious software, OS bugs,
failure to properly disconnect external devices, or for no
apparent reason at all. Data corruption or loss is therefore
not covered by warranty.
The first thing to try is to restart both the computer
and the external device. If the data is still corrupted, try
running built-in OS utilities on the hard drive (such as
Mac OS X's Disk Utility First Aid or Windows' Check
Disk tool with the setting "Scan for and attempt recovery
of bad sectors" enabled).
If the OS utility doesn't help, you may need data recovery
software. However, if there is a true hardware failure of
your hard drive that prevents it from communicating
with your computer, there is no software solution in
existence that can fix this problem.
Q: Why won't the computer let me eject or unmount my
drive?
A: There may be a software application running in the
background with an active link to the drive. Sometimes,
you may see a message such as "The disk is in use and
could not be ejected. Try quitting applications and try
again."
This is not a defect or issue caused by the RAX unit.
Try invoking the Force Quit feature in OS X to see what
software may be running. For Window, the equivalent
command is CTRL+SHIFT+ESC.
Drives connected to the computer via eSATA cannot
be ejected in Windows the way FireWire drives can.
However, freeware utilities are available on the Internet
that provide a similar function.
6.1 Contacting Technical Support
Still need help? Please contact our Technical Support team
through cru-inc.com/support. Call us toll free at (800) 260-
9800 or directly at (360) 816-1800.
CRU Mark
10.25.12
PMS 711
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