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Scsi Controller?

Posted on 2006-11-29
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Last Modified: 2010-04-20
Hello,
I have a Adaptec controller and i put a scsi controller(ultra 160 family) in linux box (2.4.21.40-EL)
when boot i can come to scsi contriller and see disks and scsi controller setup but this it.
I can't see disks in my fdisk -l.
How could see disk from scsi controller?
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Question by:Aida2
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Expert Comment

by:ssvl
ID: 18035809
is you install the driver for the scsi card check with lspci, /etc/sysconfig/hwconf


http://people.freebsd.org/~gibbs/linux/
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Author Comment

by:Aida2
ID: 18036002
Hello,
cat /etc/sysconfig/hwconf show me at this is installed

class: SCSI
bus: PCI
detached: 0
driver: aic7xxx
desc: "Adaptec|AIC-7892A U160/m"
vendorId: 9005
deviceId: 0080
subVendorId: 9005
subDeviceId: e220
pciType: 1
pcibus:  2
pcidev:  9
pcifn:  0

But i can't see it in lsmod
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Expert Comment

by:kblack05
ID: 18040426
Cat /proc/scsi/scsi

You might wish to check for module errors with

modprobe -vn aic7xxx

After doing so also check /var/log/messages. Please post any related errors here...
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Author Comment

by:Aida2
ID: 18043515
Helo,
modprob -vn aic7xxx  telme
modprob: Can't locate module aic7xxx

And /var/log/messages is

 scsi1 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.36
Nov 28 09:27:38 odin kernel:         <Adaptec 29160B Ultra160 SCSI adapter>
Nov 28 09:27:38 odin kernel:         aic7892: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs
Nov 28 09:27:38 odin kernel:
Nov 28 09:27:38 odin kernel: blk: queue f74db418, I/O limit 524287Mb (mask 0x7fffffffff)
Nov 28 09:27:38 odin kernel: scsi1: Someone reset channel A
Nov 28 09:27:38 odin last message repeated 41 times
Nov 28 09:27:38 odin kernel:   Vendor: QLogic    Model: GEM359            Rev: 1.10
Nov 28 09:27:38 odin kernel:   Type:   Processor                          ANSI SCSI revision: 02
Nov 28 09:27:38 odin kernel: blk: queue f74db618, I/O limit 524287Mb (mask 0x7fffffffff)
Nov 28 09:27:38 odin kernel: Attached scsi generic sg1 at scsi0, channel 0, id 8, lun 0,  type 3
Nov 28 09:27:38 odin kernel: Attached scsi generic sg4 at scsi1, channel 0, id 8, lun 0,  type 3
Nov 28 09:27:38 odin kernel: scsi : 1 host left.


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Expert Comment

by:kblack05
ID: 18046000
Try adding this line to the /etc/modules.conf file and restarting:

options scsi_mod max_scsi_luns=128


Also, please dont forget to post the output of

cat /proc/scsi/scsi

Strange that it doesn't see a module that later it claims it's using...
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Accepted Solution

by:
kblack05 earned 30 total points
ID: 18046079
In the meantime I also searched some forums again and read somewhere
from a few users that they had to switch back to the old scsi driver to
be able to access scsi drives.

As far as I understood, somewhere between linux-2.4.x and linux-2.6.17
the scsi driver was replaced by a new one. But the old can be compiled
in using appropriate config flags when doing the kernel config.
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