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questions about external SCSI -Reply

daemon@ATHENA.MIT.EDU (Jeffrey Waters)
Tue May 12 11:05:52 1998

Date: 	Tue, 12 May 1998 11:55:54 -0400
From: Jeffrey Waters <Jeffrey.Waters@rich.frb.org>
To: ulisses@pusa.eleinf.uv.es, linux-admin@vger.rutgers.edu,
        linux-scsi@vger.rutgers.edu

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I would not recommend doing any equipment connections unless you are
using Hot-Plug hardware, you will risk damage to both the device and the
controller.


Jeff 

>>> Ulisses Alonso <ulisses@pusa.eleinf.uv.es> 05/10/98 05:53am >>>
>Hello all,

>Hello I'm quite new to SCSI, and I have yet some doubts (I have resolved
>others by looking the excelent SCSI howto and SCSI faq)...

>The setup: two onboard aic7880 (adaptec 2940UW), one(adapter 0)
>being
>used with 2 internal HDs and 1 internal CDROM, the other(adapter 1)
>has
>no devices attached (yet)...

>Hopefully the other controller will have an external DAT drive and an
>external CD-ReWriter, this devices will be shared with a NT UnServer
>4.0
>computer...

>and the questions are...

>1) Can I add on the fly (while system is running) devices to "adapter 1"
>if this adapter has no other devices?



>2) Is this possible with other devices attached but no running?

>(I think these things can be done with DPT's adapters, from the "storage
>manager" utility with the quiet "SCSI bus" option)


>3) How I can tell Linux to scan the "adapter 1"'s SCSI bus to search
>devices?



Any comment/suggestion will be greatly appreciated

Thanks in advance


		Ulisses

PD: please if you read this from linux-scsi@ CC: your reply to me directly
since I'm not subscribed to that mailing-list...
-----------------------------------------------------------------------------
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Date: Sun, 10 May 1998 06:53:02 -0400
From: Ulisses Alonso  <ulisses@pusa.eleinf.uv.es>
To: linux-admin@vger.rutgers.edu, linux-scsi@vger.rutgers.edu
Subject: questions about external SCSI
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Hello all,

Hello I'm quite new to SCSI, and I have yet some doubts (I have resolved
others by looking the excelent SCSI howto and SCSI faq)...

The setup: two onboard aic7880 (adaptec 2940UW), one(adapter 0) being
used with 2 internal HDs and 1 internal CDROM, the other(adapter 1) has
no devices attached (yet)...

Hopefully the other controller will have an external DAT drive and an
external CD-ReWriter, this devices will be shared with a NT UnServer 4.0
computer...

and the questions are...

1) Can I add on the fly (while system is running) devices to "adapter 1"
if this adapter has no other devices?

2) Is this possible with other devices attached but no running?

(I think these things can be done with DPT's adapters, from the "storage
manager" utility with the quiet "SCSI bus" option)

3) How I can tell Linux to scan the "adapter 1"'s SCSI bus to search
devices?



Any comment/suggestion will be greatly appreciated

Thanks in advance


		Ulisses

PD: please if you read this from linux-scsi@ CC: your reply to me directly
since I'm not subscribed to that mailing-list...
-----------------------------------------------------------------------------
"Computers are useless. They can only give answers."            Pablo Picasso




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