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Old 02-28-2005, 02:20 AM   #1
linux4amit
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Registered: Feb 2005
Location: india
Distribution: RHEL3
Posts: 2

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Disk partition error while installing Linux


Hello All,

I am new to Linux and am installing Linux (RHEL 3) on a Machine with 2 X 73GB = 146GB SCSI HDD.

All goes perfectly well as mentioned in the red hat installation guide untill i am asked for partitioning,

Automatic or
Maunal

No matter which option i select,
I get following errors,

selected manual partitioning
next

The partition table on device sda was unreadable. To create new partitions it must be initialized, causing the loss of ALL DATA on this drive.
This operation will override any previous installation choices about which drives to ignore.
Do u wish to erase all data on this disk?
I selected yes

Input/output error during read on /dev/sda
Retry/ignore/cancel (happened twice)
I chose to ignore

Input/output error during read on /dev/sdb
Retry/ignore/cancel (happened twice)
I chose to ignore

I got a message
An error has occurred no valid devices were found on which to create new file systems. Plz check ur hardware for the cause of this problem,
OK


Showed me a black console and (112- Input/output error during read on /dev/sdb )
System rebooted automatically,


2nd attempt
Same happened second time also even if I selected automatic partitioning.
(seems something wrong with hdisk ?)

[ Hdisk is scsi and
CD drive is IDE
as per inst guide on website,
HD is for IDE drives and
SD is for SCSI drives
Our error shows SDA and



Plz guide me.
what can be the problem?

This is extremely urgent.

regards,
Amit
 
Old 02-28-2005, 08:21 AM   #2
masand
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Registered: May 2003
Location: INDIA
Distribution: Ubuntu, Solaris,CentOS
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hi there

what SCSI disk are u using
have u checked this SCSI disk in the hardware comapatibility list

also i am not sure of SCSI disks but don't u need to initialize these disks with some driver that comes in a CD from the company

regards
 
Old 02-28-2005, 08:59 AM   #3
Emerson
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Registered: Nov 2004
Location: Saint Amant, Acadiana
Distribution: Gentoo ~arch
Posts: 5,872

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Are you sure your SCSI controller is recognized by kernel?
Also, similar errors may occur when SCSI chain lacks proper termination or cable is not up to the task and initiated transfer rate is too high.
 
Old 02-28-2005, 11:04 PM   #4
linux4amit
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Registered: Feb 2005
Location: india
Distribution: RHEL3
Posts: 2

Original Poster
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Hi,

Thanks for replying.

where can i find this hardware comapatibility list?

Can someone also give me more info about initializing the disks with their drivers?
where can i get this info ?
How do i determine if SCSI controller is recognized by kernel?

Please reply urgently again.

regards,
Amit
 
Old 02-28-2005, 11:38 PM   #5
masand
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Registered: May 2003
Location: INDIA
Distribution: Ubuntu, Solaris,CentOS
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hi there
if u want to go the easy way

plug this disk in to any Win Xp/2000 machine
when u go to computer management.u will be asked to intiailize this ,it will also try to initialize disk
also make a partion hereitslf,with any filesystem,since u can format that later

or u can also do this with the CD u might have got with ur SCSI disk

regards
 
Old 03-01-2005, 07:46 AM   #6
Emerson
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Location: Saint Amant, Acadiana
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This is interesting. I always thought initializing means writing MBR in Windows language.
Unlike IDE, in SCSI world OS talks to controller, and controller to disks or whatever is connected to SCSI chain. Hence there is no need for specific disk drivers - controller connects to disk in hardware level.
Maybe you need low level format your disks.
Is it a brand computer or you assembled it yourself?
There are many things one must know before building a SCSI machine.

http://www.pcguide.com/ref/hdd/if/scsi/
 
Old 03-01-2005, 08:05 AM   #7
michaelk
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Is the SCSI cable terminated correctly? Does each drive have a unique ID?

It appears that the SCSI controller module is loading because the installer is recognizing the two drives.

You can use the SCSI controller to low level format the drive.
Where it is a bad thing to low level format an IDE drive it is not for SCSI.
 
Old 04-07-2005, 04:55 PM   #8
Nox UK
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Registered: Jan 2004
Posts: 12

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I get exactly the same message on a system with two 36gb SATA drives (WD raptors) connected via the ich5r in raid - the machine has a ntfs partition containing winxp (working) trying to dual boot em.

Nox
 
  


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