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RP4440 tape drive attached to SCSI Channel B LVD/SE card

 
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Peter Chuang
Frequent Advisor

RP4440 tape drive attached to SCSI Channel B LVD/SE card

Hi Experts,

I attached HP DDS4 tape drive C5687C to SCSI Channel B LVD/SE card on RP4440. Now rp4440 won't boot up. What do I do now?

Thanks in advance.
27 REPLIES 27
Patrick Wallek
Honored Contributor

Re: RP4440 tape drive attached to SCSI Channel B LVD/SE card

Remove the tape drive first and make sure that the system will boot.

2nd, check the SCSI ID of the tape drive. If it is 0 or 1, change it to something else (other than 0, 1 or 7) and try again.
Peter Chuang
Frequent Advisor

Re: RP4440 tape drive attached to SCSI Channel B LVD/SE card

I did remove the tape drive, but it will not reboot.
Peter Chuang
Frequent Advisor

Re: RP4440 tape drive attached to SCSI Channel B LVD/SE card

How do I change the SCSI ID of the external tape drive?
Patrick Wallek
Honored Contributor

Re: RP4440 tape drive attached to SCSI Channel B LVD/SE card

There should be switches on the back of the drive that allow you to set the SCSI ID.

At what point does the boot fail?

Does it get to the point where it asks "Press any key within 10 seconds...."? If so, press a key.

When you get to the MP prompt, type 'sea ipl' to look for boot devices.

If it doesn't get to that point, please let us know exactly where it is failing and the message(s) you see.
Peter Chuang
Frequent Advisor

Re: RP4440 tape drive attached to SCSI Channel B LVD/SE card

I plugged in channel B inside the rp4440 box, then connected channel B outside plug the the tape drive. Rebooted the server and failed. Then I unplugged channel B inside and outside, still won't reboot. Even I don't get MP prompt.
Peter Chuang
Frequent Advisor

Re: RP4440 tape drive attached to SCSI Channel B LVD/SE card

When I came back to the office this morning. The server is back to normal, except the flashing red light in the front. I will try to set the external tape drive SCSI ID and connect again to see what will happen.
Torsten.
Acclaimed Contributor

Re: RP4440 tape drive attached to SCSI Channel B LVD/SE card

Wait a moment - if both internal disks are on separate scsi channels you MUST NOT connect an external tape drive or any external device there.

ioscan -fn

can show us what you have ...

Hope this helps!
Regards
Torsten.

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nightwich
Valued Contributor

Re: RP4440 tape drive attached to SCSI Channel B LVD/SE card

Hi Peter


Patrick is right you use a SCSI ID that as a conflict with your server.


Change the SCSI ID in the bake of the tape to 3, you shouldn't have any problem.


Regards.
Peter Chuang
Frequent Advisor

Re: RP4440 tape drive attached to SCSI Channel B LVD/SE card

Inside the rp4440, SCSI channel A cable is plug in, but channel B cable is NOT. Initially, I attached external tape drive to channel B from outside without attaching internal cable to channel B. rp4440 could not identify tape drive. Then I attached internal cable to channel B from inside the server and attached tape drive to external channel B. That was when the server could not reboot yesterday.

What are my next steps?
nightwich
Valued Contributor

Re: RP4440 tape drive attached to SCSI Channel B LVD/SE card

Hi Peter


After you attach the tape you need to run a ioscan -fun to detect new hardware.

Then do insf -e to install special files.


Then you do a ioscan -funC tape to see if your tape is already reconized.

Reply if you need directions.
Peter Chuang
Frequent Advisor

Re: RP4440 tape drive attached to SCSI Channel B LVD/SE card

Hi Nightwich,

I did ioscan -funC tape, did not return anything.

From my previous message, my question is: Should I plug the inside cable to channel B (it wasn't plug in initially)and plug the outside channel B to the tape drive?
Torsten.
Acclaimed Contributor

Re: RP4440 tape drive attached to SCSI Channel B LVD/SE card

Don't remove the internal cables. There is a terminator at the end of the cable, which is needed.

Your disks are in "simplex" configuration, so you can use the external connector B.

Did you use a terminator at the tape drive side?

Check for bent pins too.

Hope this helps!
Regards
Torsten.

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

__________________________________________________
No support by private messages. Please ask the forum!

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

Re: RP4440 tape drive attached to SCSI Channel B LVD/SE card

Hi Peter,

Paste the output of the following commands:

kcmodule -a | grep -i tape

ioscan -funC tape

Also you need to have a scsi terminator on the tape.

Regards.
Peter Chuang
Frequent Advisor

Re: RP4440 tape drive attached to SCSI Channel B LVD/SE card

Torsten,

Tape drive does have a terminator. I will insert the internal B channel cable, and try again.

Nightwich,

# kcmodule -a | grep -i tape
sh: kcmodule: not found.
#
# ioscan -funC tape
#
OS is:
HP-UX rp4440 B.11.11 U 9000/800 637230314 unlimited-user license
Peter Chuang
Frequent Advisor

Re: RP4440 tape drive attached to SCSI Channel B LVD/SE card

One more piece of info:

I set tape drive SCSI id to 7
Patrick Wallek
Honored Contributor

Re: RP4440 tape drive attached to SCSI Channel B LVD/SE card

No, no, no. You cannot use 7. That is the ID of the SCSI controller card itself. Use another ID.
nightwich
Valued Contributor

Re: RP4440 tape drive attached to SCSI Channel B LVD/SE card

Hi peter.


kcmodule if for 11.23 and 11.31

to 11.11 you should use:

# kmadmin -k | grep -i tape
tape2_included
tape2
stape


This should be the output.

Regards.
Peter Chuang
Frequent Advisor

Re: RP4440 tape drive attached to SCSI Channel B LVD/SE card

Patrick,

I will change scsi id to 5 and try again. The big question is: Should I plug in the internal cable B to the internal channel B? Which was un-plug in before I started the external backup tape "project".
Patrick Wallek
Honored Contributor

Re: RP4440 tape drive attached to SCSI Channel B LVD/SE card

Have a look at this manual:

http://bizsupport2.austin.hp.com/bc/docs/support/SupportManual/c01883140/c01883140.pdf

Particularly you need to read the section "Converting SCSI From Simplex to Duplex" starting on page 66.

If you are NOT converting, and thus not installing the parts they talk about (meaning you still have the short jumper cable they talk about), then my guess is that you DO NOT want to plug in teh channel B cable.
Peter Chuang
Frequent Advisor

Re: RP4440 tape drive attached to SCSI Channel B LVD/SE card

I changed scsi id to 5. Checked bent ping(s), seems to be fine.

kmadmin -k | grep -i tape did not get anything.
nightwich
Valued Contributor

Re: RP4440 tape drive attached to SCSI Channel B LVD/SE card

Hi Peter.

I think you need to first install your tape drivers on the server.


To do this go to:

sam -> Kernel_configurations -> Drivers -> Stape

It should be "Current stat" -> in "Pendind state" -> in

I think this need reboot. Give it a try.

After this try the other steps that you already know.

Regards.
nightwich
Valued Contributor

Re: RP4440 tape drive attached to SCSI Channel B LVD/SE card

After intall the drivers do a:


kmadmin -k | grep -i tape


Regards.
Peter Chuang
Frequent Advisor

Re: RP4440 tape drive attached to SCSI Channel B LVD/SE card

Nightwich,

Now I got this:
# kmadmin -k | grep -i tape
stape
#
#
nightwich
Valued Contributor
Solution

Re: RP4440 tape drive attached to SCSI Channel B LVD/SE card

Hi Peter

Just fine.

Now do the other steps.

- Connect the tape with a SCSI terminator to the server

- Do a ioscan -fun

- do a insf -e

- do a ioscan -funC tape

Regards.