On Sat, 2007-12-01 at 06:21 -0600, B.J. McClure wrote:
> On Sat, 2007-12-01 at 09:51 +0000, norman wrote:
> > < snip >
> >
> > > title Windows XP professional
> > > map (hd0) (hd1)
> > > map (hd1) (hd0)
> > > rootnoverify (hd1,0)
> > > chainloader +1
> >
> > I have been reading through this thread in light of more things I have
> > been learning. Because one drive is IDE and the other SATA is it correct
> > to refer to them both as 'hd' or should one be 'hd' and the other 'sd'?
> >
> >
> I think the short answer is : yes, no. I run machines with sata drives and others with pata and my grub configuration is always "hdx".
>
> Grub basically talks bios terminology while the OS distinguishes between
> sdx and hdx.

Thank you, that clears that one for future reference.

Norman



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On 12/01/2007 12:45 AM, norman wrote:
>> Norman, before we get to that part (it is 'sudo install gparted' from a
>> terminal window BTW, then System|Administration|Partition Editor), have
>> you tried the steps that I've already suggested? If so what results did
>> you get? Please don't do anything with gparted until you let us know
>> what you've done so far.
>
> Thanks for the note of caution. In fact I have decided that the 2 hdd
> idea can be shelved for the time being and that I will give dual booting
> another try. Incidentally, if you know of a guaranteed way to remove the
> MBR I would be for ever grateful.
>
> Norman
>
>

Are you sure that you actually want to remove the MBR? If you want you
can just reset the boot flag in gparted - right click on the partition &
select 'manage flags' & untick boot. You can also boot up with an old
Win98 floppy and fdisk /mbr, or use testdisk:
http://www.cgsecurity.org/wiki/TestDisk

Additional refs:
http://en.wikipedia.org/wiki/Master_boot_record
<https://help.ubuntu.com/community/?action=fullsearch&context=180&value=windows&title search=Titles>
http://ubuntuforums.org/archive/index.php/t-484833.html
<http://www.google.com/search?hl=en&q=linux+%2B%22remove+mbr%22&btnG=Sear ch>





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On 12/01/2007 05:27 AM, norman wrote:
> On Sat, 2007-12-01 at 06:21 -0600, B.J. McClure wrote:

>> > I have been reading through this thread in light of more things I have
>> > been learning. Because one drive is IDE and the other SATA is it correct
>> > to refer to them both as 'hd' or should one be 'hd' and the other 'sd'?
>> >
>> >
>> I think the short answer is : yes, no. I run machines with sata drives and others with pata and my grub configuration is always "hdx".
>>
>> Grub basically talks bios terminology while the OS distinguishes between
>> sdx and hdx.
>
> Thank you, that clears that one for future reference.
>
> Norman
>
>
>

See my new post:
[Howto] Dualboot 2 drives Ubuntu/Win

Hopefully that will help when you get ready to try again.



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> See my new post:
> [Howto] Dualboot 2 drives Ubuntu/Win
>
> Hopefully that will help when you get ready to try again.

I have read through your new post and found it comprehensive and easy to
follow. No one should have any difficulty in setting up and running a
twin hdd dual boot machine. I would like to ask one question, why do you
advocate removing the power cable before working inside the computer? I
always leave it in as a way to earth but make sure that the power is
switched off.

Now, I need some knowledgeable person to do something similar for a
machine with SATA connections and an IDE drive.

Norman


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To complete the picture, what if both hard drives are SATA?

Norman


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On 12/02/2007 01:31 AM, norman wrote:
>> See my new post:
>> [Howto] Dualboot 2 drives Ubuntu/Win
>>
>> Hopefully that will help when you get ready to try again.
>
> I have read through your new post and found it comprehensive and easy to
> follow. No one should have any difficulty in setting up and running a
> twin hdd dual boot machine. I would like to ask one question, why do you
> advocate removing the power cable before working inside the computer? I
> always leave it in as a way to earth but make sure that the power is
> switched off.

Because I have seen fried components/computers where someone was working
on them with the power cord plugged in and forgot to turn off the
chassis power switch, or bumped the switch to on when moving the chassis
around.


>
> Now, I need some knowledgeable person to do something similar for a
> machine with SATA connections and an IDE drive.
>

I suspect a little googling 'ubuntu +<fstab/grub> and 'man fstab', 'man
grub', will give you the answers to that.

Examples:
<http://www.google.com/search?hl=en&q=ubuntu+%2Bmenu.lst+%2Bsata&btnG=Sea rch>
<http://www.google.com/search?hl=en&q=ubuntu+%2Bfstab+%2Bsata&btnG=Google +Search>



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On 12/02/2007 11:39 AM, NoOp wrote:
> On 12/02/2007 01:31 AM, norman wrote:
>>> See my new post: [Howto] Dualboot 2 drives Ubuntu/Win
>>>
>>> Hopefully that will help when you get ready to try again.
>>
>> I have read through your new post and found it comprehensive and
>> easy to follow. No one should have any difficulty in setting up and
>> running a twin hdd dual boot machine. I would like to ask one
>> question, why do you advocate removing the power cable before
>> working inside the computer? I always leave it in as a way to earth
>> but make sure that the power is switched off.
>
> Because I have seen fried components/computers where someone was
> working on them with the power cord plugged in and forgot to turn off
> the chassis power switch, or bumped the switch to on when moving the
> chassis around.
>

Added note to this: you'll find warning such as this in most all
standard motherboard manuals - from an Intel motherboard manual:

<quote>
Before You Begin
WARNINGS
The procedures in this chapter assume familiarity with the general
terminology associated with personal computers and with the safety
practices and regulatory compliance required for using and modifying
electronic equipment.
Disconnect the computer from its power source and from any
telecommunications links, networks, or modems before performing any of
the procedures described in this chapter. Failure to disconnect power,
telecommunications links, networks, or modems before you open the
computer or perform any procedures can result in personal injury or
equipment damage. Some circuitry on the board can continue to operate
even though the front panel power button is off.

CAUTION
Before installing or removing the processor, make sure that AC power has
been removed by unplugging the power cord from the computer; the standby
power LED should not be lit (see Figure 2 on page 24). Failure to do so
could damage the processor and the board.
</quote>

I've been repairing electronic equipment since 1972 (yep, I'm a grandpa
too :-) and one of the first things I learned was "unplug the main"
unless of course you are troubleshooting circuits & require the power to
be on.

So... you've been advised :-)

Gary


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> -----Original Message-----
> From: > B.J. McClure


> I think the short answer is : yes, no. I run machines with
> sata drives and others with pata and my grub configuration is
> always "hdx".



Would you mind clearing something up for me. I thought the HDx was for
IDE drives while the SDx was for the SCSI drives, not primary and
secondary. And if I am correct, I have this machine I am building where
the drive is SATA and it is recognized as my SD0 drive.



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On 2007/12/03 14:53 (GMT-0500) Michael.Coll-Barth@VerizonWireless.com
apparently typed:

> Would you mind clearing something up for me. I thought the HDx was for
> IDE drives while the SDx was for the SCSI drives, not primary and
> secondary. And if I am correct, I have this machine I am building where
> the drive is SATA and it is recognized as my SD0 drive.

This subject is a glaring omission from the release notes
http://www.ubuntu.com/getubuntu/releasenotes/710

Mandriva 2008 release notes don't omit the issue
http://wiki.mandriva.com/en/Releases/Mandriva/2008.0/Notes#Modular_IDE_drivers_and_new_libata_stack

SUSE 10.3 also covers it
http://www.suse.com/relnotes/i386/openSUSE/10.3/RELEASE-NOTES.en.html#09

In any event, SATA drives under Linux have always been treated as if they
were SCSI devices, AFAIK.

On motherboards with both PATA and SATA drive controllers, there may be
reference to primary and secondary as between PATA & SATA.
--
" Our Constitution was made only for a moral
and religious people. It is wholly inadequate to
the government of any other." John Adams

Team OS/2 ** Reg. Linux User #211409

Felix Miata *** http://mrmazda.no-ip.com/

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> -----Original Message-----
> From: Felix Miata
> Mandriva 2008 release notes don't omit the issue
>
http://wiki.mandriva.com/en/Releases/Mandriva/2008.0/Notes#Modular_IDE_d
rivers_and_new_libata_stack
>

Felix,

Many thanks. This is the first time I have installed Linux, of any
flavor, where the machine had such a drive. It is tough being a newbie
and a non-newbie at the same time. If that makes any sense!

Next on the agenda is figuring out how to back and restore grub. Then I
can take the plunge with resizing the partitions. I found out that you
can use the Ubuntu Live CD to boot the system and run the partitioner.
I do not yet know well that will actually work.

Michael


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