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DLT700 4/48 scsi connection

dipesh_2
Regular Advisor

DLT700 4/48 scsi connection

Hi all experts,

i want to connect DLT7000 4/48 library (A4855A) to rp8400 server. i am not sure how to do scsi cabling for internal drives.

please help

thanks
dip
5 REPLIES
Torsten.
Acclaimed Contributor

Re: DLT700 4/48 scsi connection

If I remember right, there are a lot of SCSI connectors on this box.

Adjust them (single ended/FWD) as needed.

You can daisy chain up to 2 drives together, so you need at least 2 HBA's in your server.

All modes must be the same (e.g. FWD-SCSI).

Include the controller in one of the busses.

Hope this helps!
Regards
Torsten.

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Torsten.
Acclaimed Contributor

Re: DLT700 4/48 scsi connection

If I remember right, there are a lot of SCSI connectors on this box.

Adjust them (single ended/FWD) as needed.

You can daisy chain up to 2 drives together, so you need at least 2 HBA's in your server.

All modes must be the same (e.g. FWD-SCSI).

Include the controller in one of the busses.


=====
Correction, daisy chain was for DLT4000 drives, for DLT7000 drives (quite old too), you need a HBA for each drive, because they consum 2/3 of the bandwidth.

Hope this helps!
Regards
Torsten.

__________________________________________________
There are only 10 types of people in the world -
those who understand binary, and those who don't.

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dipesh_2
Regular Advisor

Re: DLT700 4/48 scsi connection

can u please give me the cabling diagramme

i m not sure how to connect all the cables.


thanks in advance
dip
dipesh_2
Regular Advisor

Re: DLT700 4/48 scsi connection

check the attachement how i connected Cables.
Bus Drive IDs
0 LIB 6
1 1 1
2 2 2
3 3 3
4 4 4

But devices are not detecting, please help

Thanks
dip
Torsten.
Acclaimed Contributor

Re: DLT700 4/48 scsi connection

As far I can see it looks good.
Check the setting for bus 0 from the front panel, it must be set to differential.
Check if the DIP switches for termination power and autotermination are ON for the drives. Of course you need to use differential SCSI HBAs (aka HVD).

Hope this helps!
Regards
Torsten.

__________________________________________________
There are only 10 types of people in the world -
those who understand binary, and those who don't.

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If you feel this was helpful please click the KUDOS! thumb below!