DLT8000 driver on 10.20

[Lee Thian Sin]

hi
i was installed a COMPAQ VS DLT40/80 (LVD/SE) on my K-Class machine using a Centronic 28655 SCSI (SE) adapter. i able to detect the adapter using scsi1 driver and DLT tape drive using tape2 (indeed of stape) driver. when i try to use tar and mt command, i get the I/O error. After i read the forum, the follow step i did:

i) download and update patches
ii) test with another hp dlt8000 drive
iii) take out tape2 drive from kernel, ioscan the DLT using -d parameters. i get the following output:

$ ioscan -d stape -fn -H 10/4/16.6.0
Class I H/W Path Driver S/W State H/W Type Description
=================================================================
tape 7 10/4/16.6.0 stape UNCLAIMED UNKNOWN COMPAQ DLT VS 40/80

Please advise, thanks.

[Elmar P. Kolkman]

UNCLAIMED means it doesn't see the tapedrive anymore...

Are you sure the tapedrive is SE? As far as I know DLT8000 drives are HVD...

[Lee Thian Sin]

The tape drive is a COMPAQ LVD/SE drive. i did double check.

[Lee Thian Sin]

i detected the dlt drive with tape2, and manage to create device file using insf command. but i received a I/O error. as what i understand, i need a stape driver for my DLT8000.

[melvyn burnard]

You need to install PHKL_22855 to get the latest stape driver.

[Lee Thian Sin]

PHKL_22855 was patched. i found it when i do swlist command.

[Jos de Ruiter]

Hi,

A DLT 40/80 is a HVD device, reboot your machine, when he ask for "hit a key" do it.
With "sea" you can see the connecte device on your machine, this is the first stap.

Groetjes
JdR

[mostefai mourad_1]

Hi

As far as I know this device can be installed only in CISC platform(it means windows, sco unix, linux etc...) not in RISC platform ( like HP-UX), and you can check it at HP site: http://h18006.www1.hp.com/products/storageworks/dlt4080/index.html
And for your case I think you should use an HVD HP DLT80 check this link :http://www.hp.com/products1/storage/products/tapebackup/dlt_tapedrives/dlt8000_drives/index.html
I hope this can help u.

[Ralf Loehmann_2]

Hello Lee,

the problem here is a different one. The 28655A SCSI card is an old HP-PB bus card, which only works with tape2 driver. The tape2 driver is not supporting the DLT8000 drive and in addition to that it also does not work. The latest working tape for tape2 driver are DLT 7000, DDS-3, no LTO.
The main reason for not supporting any of that newer drives is the performance, which can not be reached with the old adapter.
On the k-class you could only run a DLT 8000 on the HVD bus (High Voltage differential) with the A2969A HSC card or you use a Fiberchannel to SCSI bridge and for that you need a fiberchannel card in your system.

The k-class has an internal single ended SCSI interface which runs with stape, but it has no connection to the outside.

Ralf.