E35 and SureStore DLT40 problems

[Sebastian Haglund]

Hi,

I've bought a 2:nd hand HP SureStore DLT40 drive to connect to a E35 server.
With the drive connected the server boots really slow and complains about a disk in a volume-group is missing, dmesg is attached.
Did I do something wrong here or do you think the drive might be broken? I used the same cable and scsi-terminator as a DDS drive that used to be connected to the system and that works.

ioscan -f gives:
Class I H/W Path Driver S/W State H/W Type Description
======================================================================
bc 0 root CLAIMED BUS_NEXUS
bc 1 56 bc CLAIMED BUS_NEXUS Bus Converter
ext_bus 0 56/52 scsi1 CLAIMED INTERFACE HP 28655A - SE SCSI ID=7
target 0 56/52.2 target CLAIMED DEVICE
disk 0 56/52.2.0 disc3 CLAIMED DEVICE TOSHIBA CD-ROM XM-4101TA
target 1 56/52.5 target CLAIMED DEVICE
spt 0 56/52.5.0 spt CLAIMED DEVICE Quantum DLT4000
unknown -1 56/52.5.1 ERROR UNKNOWN
unknown -1 56/52.5.2 ERROR UNKNOWN
unknown -1 56/52.5.3 NO_HW UNKNOWN
unknown -1 56/52.5.4 ERROR UNKNOWN
unknown -1 56/52.5.5 ERROR UNKNOWN
unknown -1 56/52.5.6 ERROR UNKNOWN
unknown -1 56/52.5.7 ERROR UNKNOWN
target 2 56/52.6 target NO_HW DEVICE
disk 2 56/52.6.0 disc3 NO_HW DEVICE HP C2490AM
unknown -1 56/53 UNCLAIMED UNKNOWN HP 28655A - Parallel Interface
tty 0 56/56 mux2 CLAIMED INTERFACE MUX
ba 0 60 bus_adapter CLAIMED BUS_NEXUS Core I/O Adapter
lan 0 60/6 lan2 CLAIMED INTERFACE Built-in LAN
processor 0 62 processor CLAIMED PROCESSOR Processor
memory 0 63 memory CLAIMED MEMORY Memory

[Jaime Bolanos Rojas.]

Hi Sebastian!

It might be one drive went bad on the system.

Would you please post the output for

ioscan -fnkC disk

and

ioscan -fnkC tape

and run a vgdisplay -v on your logical volumes to see if you got any error messages regarding a bad drive.

Regards,

Jaime.

[Pete Randall]

Possibly a SCSI ID conflict?


Pete

[Sebastian Haglund]

I suspect a SCSI ID conflict. Problem is that I tried different id's on the back of the external DLT40 but it's always 5 when the system boots up.

I removed the drive and now ioscan looks like this.

Class I H/W Path Driver S/W State H/W Type Description
======================================================================
bc 0 root CLAIMED BUS_NEXUS
bc 1 56 bc CLAIMED BUS_NEXUS Bus Converter
ext_bus 0 56/52 scsi1 CLAIMED INTERFACE HP 28655A - SE SCSI ID=7
target 0 56/52.2 target CLAIMED DEVICE
disk 0 56/52.2.0 disc3 CLAIMED DEVICE TOSHIBA CD-ROM XM-4101TA
target 1 56/52.5 target CLAIMED DEVICE
disk 1 56/52.5.0 disc3 CLAIMED DEVICE SEAGATE ST318404LC
target 2 56/52.6 target CLAIMED DEVICE
disk 2 56/52.6.0 disc3 CLAIMED DEVICE HP C2490AM
unknown -1 56/53 UNCLAIMED UNKNOWN HP 28655A - Parallel Interface
tty 0 56/56 mux2 CLAIMED INTERFACE MUX
ba 0 60 bus_adapter CLAIMED BUS_NEXUS Core I/O Adapter
lan 0 60/6 lan2 CLAIMED INTERFACE Built-in LAN
processor 0 62 processor CLAIMED PROCESSOR Processor
memory 0 63 memory CLAIMED MEMORY Memory

[Torsten. · Accepted solution]

your second ioscan:

disk 1 56/52.5.0 disc3 CLAIMED DEVICE SEAGATE ST318404LC

your first ioscan:

spt 0 56/52.5.0 spt CLAIMED DEVICE Quantum DLT4000

duplicated SCSI ID.

Configure the tape to ID 1 or 3 or 4.

[Sebastian Haglund]

Problem solved, it was a scsi id conflict. Thing was that the switch on the back of the unit did'nt work so I hade to open it up and jumper it to scsi-id 3.

>ioscan -fnC spt
Class I H/W Path Driver S/W State H/W Type Description
===============================================================
spt 0 56/52.3.0 spt CLAIMED DEVICE Quantum DLT4000
/dev/tape_spt

Thanks,

/Sebastian

[Torsten.]

But now I would expect device files like /dev/rmt/0m, but not only /dev/tape_spt.

Did you load the tape driver into the kernel?
(should be tape2)

[Sebastian Haglund]

I configured the kernel to use spt on this device because I need it to test scsi_pt drivers.