ATTO Technology UL5D PCI 보충 설명서 - 페이지 5
{카테고리_이름} ATTO Technology UL5D PCI에 대한 보충 설명서을 온라인으로 검색하거나 PDF를 다운로드하세요. ATTO Technology UL5D PCI 8 페이지. Atto technology ul5d lp host adapters: supplementary guide
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Try swapping in a different U320 rated terminator.
If all else fails, replace the SCSI host adapter.
The U320 SCSI host adapter is detected by the operating system, it detects some
of the connected devices on both SCSI busses, but does not detect all of the
connected devices.
Verify the SCSI devices are powered on.
Check the SCSI devices to make sure that they are all set to different SCSI ID's.
Each device on each SCSI bus must use a unique ID, including the host adapter.
Devices on Bus 1 can have the same IDs as those on Bus 2. By default, the host
adapter uses SCSI ID 7, so devices should use ID's 0 through 6, or 8 through 15.
Check cable integrity. Check the cables for solid connections. Make sure they
are screwed down. Inspect cable ends for bent pins. U320 SCSI requires high
quality cables that are specifically rated for the U320 transmission speeds.
Boot into the OSX and use the ATTO Configuration Tool to verify the host
adapter has its termination set properly. Instructions to do this can be found in
the help portion of the ATTO Configuration Tool.
Verify the external terminator is the same SCSI type as the devices (certified as
usable for Ultra320 SCSI or lower) and does not have damaged pins.
Try attaching SCSI devices one at a time with different cables, adding drives and
cables until the problem occurs. This will help pinpoint the device or cable
causing the problem.
Watch the LED indicators on the SCSI devices before, during, and after startup.
Drive lights should also flash at startup as the SCSI bus is scanned. This may
give a clue as to the root cause of the issue.
Errors are reported while trying to flash new firmware onto the SCSI host
adapter.
The ATTO Configuration Tool performs validations on the structure of the file. If
it does not pass these validations, the file is rejected. The image file may be
corrupted. Try downloading the image file from the support section of the
website again.
The software application being used to communicate with the attached SCSI
devices reports communication errors.
Check your cables. There could be slight damage to one conductor causing
intermittent failures. U320 SCSI requires high quality cables that are specifically
rated for the U320 transmission speeds.
Try slowing down the data transmission rate by lowering the sync rate for the
drive in question. To do this, launch the ATTO Configuration Tool. Double click
on the drive you want to change. The current sync rate will be displayed. Lower it
then click on commit and reboot. If this resolves the issue, the SCSI device may
need to be replaced.
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ATTO Technology Inc. jokonczak
April 24, 2007