LeRoy D. Cressy on Thu, 28 Jan 1999 14:27:30 -0500 (EST)


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Re: win98&linux


William Massa wrote:
> 
> How do you do a low level format?
> 

Depending on the type of disk that you have here are the options:

SCSI  Disk:

There are three methods available to format a scsi disk

1) Along with your scsi card there should come a lowlevel scsi format
utility that will make a low level format compatable to your scsi
adaptor.  This is usually a DOS utility though.

2) Linux scsiformat.  Here is a quote from the man page:

scsiformat(8)         Scsiinfo User's Guide         scsiformat(8)

NAME
       scsiformat - low level format an scsi disk device

SYNOPSIS
       scsiformat [-options...] device

DESCRIPTION
       Low  level  formats the SCSI device identified by the scsi
       disk or generic scsi device node device.  You must be root
       to  perform  this operation.  scsiformat will ask a simple
       question to get your confirmation and check if  partitions
       on  device  are  still  mounted.  Possible  swap spaces on
       device are swapoff(8)'ed prior to formatting.

       During    formatting    a    file    like    /tmp/scsifor­
       mat.xx:xx:xx:xx:xxxxxxxx  is  used  to  hold  some  status
       information.

3) Linux sformat, Here is the description from Debian package:

 Description: SCSI disk format and repair tool
  Sformat will let you low-level format and repair bad blocks on
  SCSI disks. It can help you get data off a failing disk and
  often resurrect an apparently-broken drive.
  .
  Users of SunOS will recognise the features from Sun's format command.


-----------------------------------------------------------------

For ide drives there are DOS utilities for performing a lowlevel format,
but they come with some disk utility programs.  If you want to practice
your assembler you can create a simple utility for formating a ide drive
using, or get the utility from the hard drive manufacturer for lowlevel
formating the drive.  Most manufacturers only supply a dos utility for
performing lowlevel formats though.


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