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DAT 20/40 Install Problems -- DL380 G3 Linux 3 Smart Array 5i

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DAT 20/40 Install Problems -- DL380 G3 Linux 3 Smart Array 5i

Hi,

I tried the procedures in the Howto Linux Hot Plug support for SCSI tape Drive, but my DAT drive still is not recognized.

On boot up the Smart Array 5i controller see the DAT drive on port 2 id 5

How do I get Linux to create a device for my DAT Drive and what will its name be: /dev/tape??

How does: Port 2 id 5 translate to "Controller, bus, target, lun" as required by the echo "scsi add-single-device ? ? ? ?" > /proc/scsi/scsi

Thanks, Jeff.
2 REPLIES
Bill Wood_3
Respected Contributor
Solution

Re: DAT 20/40 Install Problems -- DL380 G3 Linux 3 Smart Array 5i

Are you sure that the cciss tape support is enabled in your kernel?

"You must enable "SCSI tape drive support for Smart Array 5xxx" and
"SCSI support" in your kernel configuration to be able to use SCSI
tape drives with your Smart Array 5xxx controller."

If so,

If you have the compaq_cciss_scsi script running correctly at startup, you will see the tape device in /proc/scsi/scsi. You can manually add the tape device with the following commands:

echo "engage scsi" > /proc/driver/cciss/cciss0

"echo scsi add-single-device 0 0 0 0 > /proc/scsi/scsi

Tape devices always start with all 0s on our array controllers (regardless of their position during post). For example, tape device 1 is "0 0 0 0" and tape device 2 would be 0 0 1 0" and so on.

The 1st SCSI tape device is accessed with /dev/nst0 for non-rewinding and /dev/st0 for rewinding.

Re: DAT 20/40 Install Problems -- DL380 G3 Linux 3 Smart Array 5i

thanks!