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Old 12-26-2006, 06:38 AM   #1
freelancer42
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Question SCSI tape drive not found


I have Slackware 10.1 with a compaq SCSI-controller recognized as "Unknown mass storage controller: Compaq Computer Corporation Smart-2/P RAID Controller", and an attached DDS2 tape drive. The latter, however, is not recognized. /proc/scsi/scsi shows no attached devices and neither /dev/tape nor /dev/st0 exist. I'm rather new to this whole SCSI thing so I'd apprieciate any help you can give me.
Thanks.

*edit* I'm using kernel 2.6.16.18, and the tape drive has a "TERMINATOR ON" jumper, which is on.

Last edited by freelancer42; 12-26-2006 at 06:46 AM.
 
Old 12-26-2006, 09:58 AM   #2
kaz2100
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Hi,

I am sure you have appropriate kernel options. Also, do you find any suspicious output on syslog and/or message (dmesg)?

Happy Penguins!
 
Old 12-26-2006, 11:02 AM   #3
freelancer42
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I wouldn't know about kernel options, since I don't really know what I'm looking for. When searching in menuconfig for "tape" I found "SCSI tape drive support for Smart Array 5xxx", and that's enabled. The only relevant part of the dmesg output is this:
----
Compaq SMART2 Driver (v 2.6.0)
cpqarray: Device 0xae10 has been found at bus 2 dev 0 func 0
cpqarray: Finding drives on ida0 (SMART-2SL)
----

It doesn't seem to find any device attached to the controller
 
Old 12-26-2006, 12:16 PM   #4
kaz2100
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Hi,

One step ahead. Can 'lspci' or 'lshw' detect your hardware? (Also, check documentation in kernel.)

Happy Penguins!
 
Old 12-26-2006, 12:34 PM   #5
freelancer42
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lspci finds the SCSI controller: 02:00.0 Unknown mass storage controller: Compaq Computer Corporation Smart-2/P RAID Controller (rev 03)

lshw: command not found
 
Old 12-26-2006, 02:55 PM   #6
kaz2100
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Hi,

Probably, about 90% of chance, problem is "Unknown mass....". This should be recognized. However, I have my functioning network chip is recognized as unknown...

By the way, is anything attached to /dev/ida0 ?
http://www.kernel.org/pub/scm/linux/...cpqarray.txt,v

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Old 12-26-2006, 03:33 PM   #7
freelancer42
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As far as I know, it's supposed to be recognized as Unknown. I'm sure I read that somewhere when installing the driver.

/dev/ida0 does not exist, /dev/ida/c0d0 does though.
 
Old 12-26-2006, 04:22 PM   #8
kaz2100
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Hi,

It seems nothing is attached to that device file. I am sure that you had no trouble when installing driver.

Usually "lshw" can give me (hopefully you) more info. You can find it at: http://sourceforge.net/project/showf...group_id=32683

Happy Penguins!
 
Old 12-26-2006, 05:16 PM   #9
freelancer42
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lshw reports this about the controller:
-----
*-storage
description: Unknown mass storage controller
product: Smart-2/P RAID Controller
vendor: Compaq Computer Corporation
physical id: 0
bus info: pci@02:00.0
version: 03
width: 32 bits
clock: 33MHz
capabilities: storage bus_master
configuration: driver=cpqarray latency=0
resources: ioport:d000-d0ff iomemory:e1000000-e10000ff iomemory:d0000000-d7ffffff irq:11
-----

Nothing about a tape drive though.
 
Old 12-27-2006, 11:10 AM   #10
kaz2100
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Hi,

My penguin broke (I assume disk died..) so I am using the other penguin...

It seems that hardware is recognized as supposed to be, and cpqarray is attached. Can you find "cpqarray" somewhere else in lshw output?

I assume that your scsi is configured correct. check scsi part of lshw and driver is attached. Another good way is connect USB memory.

Happy Penguins!
 
Old 12-27-2006, 01:28 PM   #11
freelancer42
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Sorry about your penguin. Trust me, I know how it feels.

cpqarray doesn't show up anywhere else on the lshw output, and scsi doesn't actually show anywhere. Mounting a USB thumbdrive works fine though.
 
Old 12-27-2006, 03:41 PM   #12
kaz2100
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Hi,

Okey, now you have something to start.

I assume that your tape will be attached through scsi,
something like below should show up somewhere in lshw. (I am using 2.6.15, I think 2.6.16 is same. I heard that 2.6.18 is not, although it may be incorrect)
Code:
  *-scsi
       physical id: 2
       bus info: scsi@1
       logical name: scsi1
       capabilities: scsi-host
       configuration: driver=whatever <- this will be something else
So that, problem is most likely at either scsi support, or cpqarray. As your USB stick goes well, scsi is likely to be okey...
I just checked sourceforge, and cpqarray is a kind of old...
Anyway, check these two...

It should not be difficult...
http://www.linuxquestions.org/hcl/sh...uct=34&cat=all
Happy Penguins!

Last edited by kaz2100; 12-27-2006 at 03:45 PM.
 
Old 12-27-2006, 04:21 PM   #13
freelancer42
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SCSI support is enabled in the kernel, and so is cpqarray. I'm gonna try to get a hold of another SCSI controller from a friend, and see if that works. Thanks for your help so far.
 
  


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