Compaq proliant DL380 SCSI connection

Posted on 2006-11-12
Medium Priority
Last Modified: 2012-05-05
can someone please explain to me the Compaq proliant DL380 SCSI connection.
 I can see 2 SCSI connectors on the motherboard Port1 and Port 2.
cable from Port 2 is going to the SCSI adapter(that has 3 SCSI disks connected to it) + 1 SCSI connector where the cable from port 2 is connected to.

I don't uderstand the cable that runs from port 1 where is connected to.

please explain.

Question by:jskfan
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LVL 56

Expert Comment

ID: 17925941
Which generation of DL380? they're at G5 now. Part number will help identify it. It's probably cabled to the back of the server for external devices.

Author Comment

ID: 17926996
there is a small tape drive and the connector is going from SCSI port 1 to the tape drive connector.

Do tape drive use SCSI ports?
LVL 56

Expert Comment

ID: 17927020
Indeed they do use SCSI ports, so that's where the cable goes, under the motherboard to the back where your tape drive is plugged in.
LVL 56

Accepted Solution

andyalder earned 2000 total points
ID: 17929316
Let me try to explain again.
There are two SCSI RAID ports on the 5i controller, both are presented to the front of the motherboard since the disk backplane can be split with 2 drives on one channel and four on the other. Port two also goes to the SCSI connector at the back that has your tape drive plugged in.

You cannot connect to the internal port two when it is in use externally as is the case if you have an external tape drive. There is a connector connectinth the two halves of the SCSI bus together on the backplane in your current scenario since all disks are on channel 1 of the controller.

Author Comment

ID: 17929547
I opened the computer case, and was curious to learn about how terminating SCSI is, but I guess it doesn't have termination.

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