We still aren't communicating, I'm afraid. SCSI is a type of hard disk
interface, NOT a tool for partitioning disks.
To simplify a bit, there are two types of hard disks in common use:
-- IDE disks attach (usually) to controllers built in on the
motherboard. Modern systems can have up to 4 IDE devices: primary master
(/dev/hda), primary slave (/dev/hdb), secondary master (/dev/hdc), and
secondary slave (/dev/hdd). CD-Rom drives are also commonly IDE devices..
-- SCSI disks attach to a SCSI controller, typically a card that
goes into an ISA or PCI slot (again, on modern systems). A SCSI controller
can have up to 8 devices attached, with the motherboard counting as one of
the 8. Hard disks on SCSI controllers get designated in Linux as /dev/sda,
/dev/sdb, and so on. Some CD-ROM drives are SCSI, as are some other devices
(for example, some scanners).
If you want to add a second drive to your system, and it now uses a single
IDE drive, you basically have these choices:
1. Add another IDE drive. If your system is modern enough, as I
said, it will be able to support 4 IDE devices. In that case, all you will
need to do is set a couple of jumpers on the drive, connect it, and tell
your BIOS about it.
2. Add a secondary IDE controller and another drive. If you have an
older system, it might only support 2 IDE devices. If you need to, you can
add an ISA-card secondary IDE controller for about $30. Promise makes them,
as do one or two others. (Look in the MEI/Micro Center catalog for info on
these, if you can get it.)
3. Add a SCSI controller and a SCSI drive. Probably not a good idea
-- great performance, but expensive. Do it only if you need the performance
boost. (Since I don't know what you use your Linux system for, or really
anything about it, I can't say if this is worth considering.)
Now, once you have your new drive installed and (if IDE) in the BIOS, you
still need to install it in Linux. This means going through these steps:
a. Partition it using fdisk .
b. create filesystems on each partition using mke2fs (or the
appropriate app for whatever filesystem type you plan to run).
c. create mount points for the partitions, by adding appropriate
directories and entries in /etc/fstab .
Whether you use an IDE or a SCSI drive, you still have to go through these
steps, and you still have to use fdisk for the first of them.
Now ... if I still haven't answered your question, please be VERY CLEAR next
time around as to what you mean by "use SCSI to do a partition" or any
similar phrase. That usage is what is confusing me.
At 01:04 PM 4/10/99 +0800, mkttrn1 wrote [abridged]:
>Does this mean that I have to use SCSI to do a partition on a different
harddisk if
>I intend to install linux on another different hard disk?Currently I'm
using only
>one hard disk with two partition (linux /win), I dunno if the way were the
same for
>installing linux on another extra hard disk that I intended to buy .In
another word
>I dunno whether I should use SCSI or fdisk to configure new partition after
I had
>bought and installed the harddisk .
>Kindly help me out.
------------------------------------"Never tell me the odds!"---
Ray Olszewski -- Han Solo
762 Garland Drive
Palo Alto, CA 94303-3603
650.328.4219 voice [EMAIL PROTECTED]
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