Linux and large (12Gb) IDE disks

Linux and large (12Gb) IDE disks

Post by Robert E. Bro » Thu, 09 Jul 1998 04:00:00



I want to buy a large (12 Gb) IDE disk a put Linux on it.  Will I have any
problems?  I have already verified with Dell that my BIOS can support drives
this big -- some sort of LDA capability I think.

To use a drive this big, I may need to make up to 10 partitions -- 4 for swap
and 6 more for data.  There's no limit on number of partitions is there?

                                bob

 
 
 

Linux and large (12Gb) IDE disks

Post by Robert E. Bro » Thu, 09 Jul 1998 04:00:00


If you want to send me a reply to my question, please send it to

Thanks.

                                bob

 
 
 

Linux and large (12Gb) IDE disks

Post by Hwei Sheng TE » Thu, 09 Jul 1998 04:00:00



Quote:

> I want to buy a large (12 Gb) IDE disk a put Linux on it.  Will I have any
> problems?  I have already verified with Dell that my BIOS can support drives
> this big -- some sort of LDA capability I think.

> To use a drive this big, I may need to make up to 10 partitions -- 4 for swap
> and 6 more for data.  There's no limit on number of partitions is there?

[snip]

Do you really need that many partitions? As far as I know, Linux can handle
large partitions without any problems. Having 4 swap partitions sounds like
overkill to me, if the sole reason is the size of the hard drive. The BIOS
architecture may have problems handling this many partitions though... not
Linux's fault, just the way PC partition tables are designed.

T

 
 
 

Linux and large (12Gb) IDE disks

Post by Jay Danie » Fri, 10 Jul 1998 04:00:00




Quote:

>I want to buy a large (12 Gb) IDE disk a put Linux on it.  Will I have any
>problems?  I have already verified with Dell that my BIOS can support drives
>this big -- some sort of LDA capability I think.

>To use a drive this big, I may need to make up to 10 partitions -- 4 for swap
>and 6 more for data.  There's no limit on number of partitions is there?

>                            bob

Make it 4 partitions, unless you got RedHat 5.* then use disk druid
and put as many as you want.  This is the easiest way.

12 gig. no problem.

I think you mean LBA (logical block addressing)  it's a why to trick
* the bios by using a diffent block addressing formula to calculate
the cylinders, heads and sectors.

Just don't pay any attention to the number of c,h,s when partitioning.

Jay Daniels

 
 
 

Linux and large (12Gb) IDE disks

Post by Richard Blackston » Fri, 10 Jul 1998 04:00:00




>> I want to buy a large (12 Gb) IDE disk a put Linux on it.  Will I have any
>> problems?  I have already verified with Dell that my BIOS can support drives
>> this big -- some sort of LDA capability I think.

>> To use a drive this big, I may need to make up to 10 partitions -- 4 for swap
>> and 6 more for data.  There's no limit on number of partitions is there?
> [snip]
> Do you really need that many partitions? As far as I know, Linux can handle
> large partitions without any problems. Having 4 swap partitions sounds like
> overkill to me, if the sole reason is the size of the hard drive. The BIOS
> architecture may have problems handling this many partitions though... not
> Linux's fault, just the way PC partition tables are designed.

That's not the way you should treat your system. True, you only need one
partition to working everything. So during a hot summer day, your system
crashed because you overclock your CPU. When you reboot, a long e2fsck
later, you find out that a portion of your files disappeared. Unfortunately,
Murphy's laws predict that you always lose those important system files
that you have massaged for quite a long time to tune the system.

Getting a big hard drive and partitioning it accordingly is a good practice.
I have two root partitions. Why? When you play with some system files
under /etc and the system's temper forbids you from logging in again,
you will be thankful you have a second root partition. When you upgrade
to glibc-2.0.7 and found out the installation proceeds just to the stage
that renders your system useless, you will be very happy that you have
a second root partition.

Technical points are not always sound points. The rise of packaging systems
like Redhat deprive yourself the thinking in managing the system. So
you throw everything in a big partition because Redhat's "user-friendly"
installation program did that.  The dumbing down process for the sake
of popularity is getting Linux into a forseable trouble in supports.

For all you newbies who are lucky to have huge hard drives, partition
your drive and arrange that well to save furture troubles. Put frequently
accessed files in lower-numbered partitions in order to accelerate
the access. For those who don't know what they are talking about,
please don't give out unsound advices that cause people to suffer.

REB

 
 
 

Linux and large (12Gb) IDE disks

Post by [Lausan » Fri, 10 Jul 1998 04:00:00


There are limitations on the size of your swap partition, but not on the
number of actual partitions. You'd probably waste alot of space using 4
dedicated swap partitions (I assume you plan on devoted a large 100MB
swap to each).

As for native linux partitions, multiple partitions are a good way of
organizing data, such separating /home, /root, and /usr partitions, but
it isn't a necessary thing to do. Other than that, I don't see how you'd
have any other troubles with the drive size (12GB) if BIOS doesn't cough
up a lung on you...

A. Lausin
Disgruntled Linux Users' Group

 
 
 

Linux and large (12Gb) IDE disks

Post by spa.. » Sat, 11 Jul 1998 04:00:00



[CHOMP]
: Getting a big hard drive and partitioning it accordingly is a good practice.
: I have two root partitions. Why? When you play with some system files
: under /etc and the system's temper forbids you from logging in again,
: you will be thankful you have a second root partition. When you upgrade
: to glibc-2.0.7 and found out the installation proceeds just to the stage
: that renders your system useless, you will be very happy that you have
: a second root partition.

This sounds like a good idea, and is one I have considered after *many*
difficulties with resuce disks (following a slightly misguided
attempt to upgrade libc and ld.so...hint: if you are considering this
RTFM repeatedly. Do not try to guess your way around.  But I digress...)

Can you reccomend a specific way to do this?  Should I just tar
/bin, /sbin, /etc, /root, and / and copy them over to a new partition?

(Other, somewhat related question: my hda is hda1, /, and hda2, swap.
Can I decrease the size of hda2 without compromising hda1's data?
Thanks).

--
                                        --Sparty
web: http://upside.net/~sparty/

 
 
 

Linux and large (12Gb) IDE disks

Post by David Bullo » Wed, 15 Jul 1998 04:00:00


i've routinely built 80-140GB single Linux partitions, so Linux
doesn't have a problem with it.

I just added a 10GB IDE, should work without a hitch for you.

On Thu, 09 Jul 1998 00:56:24 -0400, Anthony Lausin


>There are limitations on the size of your swap partition, but not on the
>number of actual partitions. You'd probably waste alot of space using 4
>dedicated swap partitions (I assume you plan on devoted a large 100MB
>swap to each).

>As for native linux partitions, multiple partitions are a good way of
>organizing data, such separating /home, /root, and /usr partitions, but
>it isn't a necessary thing to do. Other than that, I don't see how you'd
>have any other troubles with the drive size (12GB) if BIOS doesn't cough
>up a lung on you...

>A. Lausin
>Disgruntled Linux Users' Group

 
 
 

Linux and large (12Gb) IDE disks

Post by bnew.. » Thu, 16 Jul 1998 04:00:00



says...

Quote:

>i've routinely built 80-140GB single Linux partitions, so Linux
>doesn't have a problem with it.

>I just added a 10GB IDE, should work without a hitch for you.

How did you convince Linux to recognize that your drive was bigger than 8GB?
I'm using SuSE 5.2.

Shade and sweet water,
Brian

 
 
 

Linux and large (12Gb) IDE disks

Post by Jürgen Exne » Thu, 16 Jul 1998 04:00:00


Most likely this is not an OS but rather a BIOS limitation.
Maybe you can try to upgrade your BIOS

jue
--
Jrgen Exner; jurgenex AT microsoft.com
Sorry for this anti-spam inconvenience



>says...

>>i've routinely built 80-140GB single Linux partitions, so Linux
>>doesn't have a problem with it.

>>I just added a 10GB IDE, should work without a hitch for you.

>How did you convince Linux to recognize that your drive was bigger than
8GB?
>I'm using SuSE 5.2.

>Shade and sweet water,
>Brian

 
 
 

Linux and large (12Gb) IDE disks

Post by bnew.. » Thu, 16 Jul 1998 04:00:00



Quote:

>Most likely this is not an OS but rather a BIOS limitation.
>Maybe you can try to upgrade your BIOS

I have a brand spanking new Dell P2/300.  I doubt it needs a BIOS upgrade. :)  I
can try asking Dell though, if you're sure that's all it could be.  I read lots
of messages back and forth about 8GB limitations a while back on this newsgroup.
(NT on the same system can read the entire disk.)

Shade and sweet water,
Brian

 
 
 

Linux and large (12Gb) IDE disks

Post by Paul Schmid » Mon, 20 Jul 1998 04:00:00





> >> I want to buy a large (12 Gb) IDE disk a put Linux on it.  Will I have any
> >> problems?  I have already verified with Dell that my BIOS can support drives
> Getting a big hard drive and partitioning it accordingly is a good practice.
> I have two root partitions. Why? When you play with some system files
> under /etc and the system's temper forbids you from logging in again,
> you will be thankful you have a second root partition. When you upgrade
> to glibc-2.0.7 and found out the installation proceeds just to the stage
> that renders your system useless, you will be very happy that you have
> a second root partition.

Wouldn't it be more cost effective to buy a smaller drive, say an 8GB and
put the extra cash into a TAPE drive, this way instead of having to store
multiple copies of things on the HDD, you can simply run a tape backup,
on occassion (3 in the morning, is a good occassion IMHO :-).  This way if
you manage to render your system useless, a simple boot floppy with the
tape software on it, can restore your system.

The other problem, is drive failure, most drives have MTBF's in the
hundreds of thousands of hours, but they still occassionally build duds.

I store a copy of the critical Linux stuff on my Winblows partition, and
a copy of the critical Winblows stuff on my Linux partition, because I
hope that both drives will not die at once.

 
 
 

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