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тАО11-18-2003 08:18 PM
тАО11-18-2003 08:18 PM
I am trying to connect a StorageTek 9714 tape library with 6 DLT7000's, I am using an L2000 running HP-UX11.00.
The SCSI card is a dual port LVD (LVD/SE) using 68pin VHVD to 68pin HVD cables, the server sees the old DLT4000's in the Old library which has SE SCSI inputs without a problem; however, when connecting to the new library it cannot see the DLT7000's.
I have tried to connect a single DLT7000 within the library to discount the library's own controller but the L Class still refuses to recognise this.
Anyone got any suggestions/clues.
Kev
"I'd rather be flying"
Solved! Go to Solution.
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тАО11-18-2003 08:38 PM
тАО11-18-2003 08:38 PM
Re: Connecting DLT7000 to L 2000
Are all drivers installed for the DLT7000.
If No, Please install the Drivers for DLT7000.
If yes, The problem might persisting to the hardware card supporting to the Tape library.
Need a little more info about your setup and trial you've made
Regards,
Robert.
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тАО11-18-2003 08:47 PM
тАО11-18-2003 08:47 PM
Re: Connecting DLT7000 to L 2000
I have installed all the tape drivers that were available (are there seperate ones for DLT7000?)
So far I have tried connecting a single DLT7000 within the library directly to the dual LVD/SE card, I have also changed the SCSI addresses on the DLT just in case, I have tried connecting directly to the library and terminating all but 2 DLT's but this still fails to recognise the tape devices.
Not sure what other info that you require, let me know and I will post it.
Thanks,
Kev
"I'd rather be flying"
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тАО11-18-2003 08:51 PM
тАО11-18-2003 08:51 PM
Re: Connecting DLT7000 to L 2000
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тАО11-18-2003 08:57 PM
тАО11-18-2003 08:57 PM
Re: Connecting DLT7000 to L 2000
Ioscan does not show anything at all connected to the SCSI.
Kev
"I'd rather be flying"
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тАО11-18-2003 09:01 PM
тАО11-18-2003 09:01 PM
SolutionI don't think it will work because all the DLT7000 drives I know are HVD (HighVoltage Differentail) devices. Your card is LVD (LowVoltage Diff). You see the DLT400 because it is an SE device, to which mode the LVD card can revert (LVD/SE) but the DLT7000 is (most likley) NOT a single ended device
Regards,
Bernhard
P.S. I think there are converters which you *might* use, but I guess you are aiming at an officially supported configuration...
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тАО11-18-2003 09:01 PM
тАО11-18-2003 09:01 PM
Re: Connecting DLT7000 to L 2000
please,can you post the output of ioscan.
DGH
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тАО11-18-2003 09:12 PM
тАО11-18-2003 09:12 PM
Re: Connecting DLT7000 to L 2000
Thanks, I think you might have hit the nail on the head, I was thinking along those lines but was unsure as the cables that we use are 68to68 VHVD-HVD and this is what prompted me to think it would work.
DGH
I cannot send an output of the ioscan as we did not record it as it happened and we had to back out of the plan and put the old library back in place with the DLT4000
Kev,
"I'd rather be flying"
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тАО11-18-2003 09:17 PM
тАО11-18-2003 09:17 PM
Re: Connecting DLT7000 to L 2000
Example ioscan:-
ext_bus 4 0/2/0/0 c720 CLAIMED INTERFACE SCSI C875 Fast Wide Differential
tape 1 0/2/0/0.3.0 stape CLAIMED DEVICE QUANTUM DLT8000
/dev/rmt/1m /dev/rmt/c4t3d0BEST
/dev/rmt/1mb /dev/rmt/c4t3d0BESTb
/dev/rmt/1mn /dev/rmt/c4t3d0BESTn
/dev/rmt/1mnb /dev/rmt/c4t3d0BESTnb
Regards,
John
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тАО11-18-2003 10:03 PM
тАО11-18-2003 10:03 PM
Re: Connecting DLT7000 to L 2000
Just try out this out, before that pls take backup of the Workstation for safety reasons.
If drivers are not getting matched. Take a backup of your kernel and system file which i've mentioned below.
1. Verify that the unit has a SCSI interface compatible with the SCSI controller that is installed.
2. Determine the availability of SCSI Ids. use ioscan -f
3. Each SCSI bus must have a unique SCSI Id. Find out whether the Id is matched to one assigned.
4. Check out to configure using the utility of the backup, and set the tape library to SCSI.
5. try going to build area - cd /stand/build.
6. Create a system file from the existing kernel.
/usr/lbin/sysadm/system_prep -s system
7. check if the stape driver is already configured into your system. the stape
driver used for the DLT drivers can checked by -
#grep stape system
8. If no "stape" line printed, add a line to the "SCSI drivers" area of the system file (/stand/build/system)
stape
9.check if sctl SCSI pass-through driver is already confgiured into your current
kernel.
#grep sctl system
10. If no "sctl" line printer, add a line to the "SCSI drivers" area of the system file (/stand/build/system)
sctl
A driver statement is needed since the system can't autoconfigure the SCSI
pass-through driver.
11. Append the driver lines to the system file
driver
Note :
e.g - driver 8/4.6.0 sctl
12. save the old system file
mv /stand/system /stand/system.old
13. Build a new kernel
/usr/sbin/mk_kernel
14. Verify the pass-through driver has been built into the new kernel.
what ./vmunix_test | grep scsi_ctl
15. Save the old kernel
mv /stand/vmunix /stand/vmunix.old
16. Move the new kernel to the current one :
mv ./vmunix_test /stand/vmunix
17. Boot the system
/usr/sbin/shutdown -r 0
18. Once restarted
verrify using "ioscan -f"
19. Determine the major number for the SCSI pass-through driver.
lsdev -d sctl
The O/p might be,
Character Block Driver Class
203 -1 sctl ctl
20. Create the special device file to access the scsi_ctl perpheral
/usr/sbin/mknod /dev/<
II - 2 digit card instance number of "ext_bus" entry
T - target SCSI ID number (SCSI ID)
L - Lun number (SCSI LUN)
00 - Reserved fields, must be zero
E.g : /usr/sbin/mknod /dev/rmt/lxb c 203 0x006000
21. Type "ioscan -fd sctl"
Check whether the driver is configured.
22. Complie the scsi i/o test program
cc /usr/contrib/src/scsi_io.c
-o /usr/contrib/bin/scsi_io
23. Run SCSI i/o test program
/usr/contrib/bin/scsi_io /dev/rmt/lxb
The display should some what similar to this,
OVERLANDLXB 032322-Oct-97
Let me know if you still persist with the problem.
Thanx & Regards,
Roby