Yes, /dev/sdb is your new sata drive. They pretend to be SCSI drives,
and thus use the sd* convention. You're not seeing /dev/sda in your
/etc/fstab because when you installed CentOS, it defaults to using LVM
to lay out your drive, so you see /dev/VolGroup00/LogVol00 instead of
/dev/sda2. It also uses label names instead of /dev/sd* because to make
things more flexible when adding hard drives, so you see LABEL=/boot
instead of /dev/sda1.
And yes, since sdb is unformatted, you won't see a /dev/sdb1 until you
format it.
--Ron
Christopher L Merrill wrote:
So I'm back in the Linux world for a while - and thought I'd better check
my understanding before I format something important :>
I'm adding a new drive to a machine that has the following
1 SATA drive that was present during installation of the OS (CentOS 4)
1 CD-ROM drive
1 IDE HDD added post-OS-install, containing a single partition
1 new SATA drive (right out of the box)**
I recognize these devices and think I know what they are:
/dev/hda - CD ROM
/dev/hdc - IDE HDD
/dev/hdc1 - partition on IDE HDD
/dev/sda - 1st SATA HDD
/dev/sda1,2 - 2 primary partitions on 1st (original) SATA HDD
here's the one I want to be sure I've got right:
/dev/sdb -- the NEW, unformatted SATA HDD
(there is no /dev/sdb1)
The reason I'm a little unsure is that I don't see any references to
/dev/sda in the fstab:
[EMAIL PROTECTED] ~]# cat /etc/fstab
# This file is edited by fstab-sync - see 'man fstab-sync' for details
/dev/VolGroup00/LogVol00 / ext3
defaults 1 1
LABEL=/boot /boot ext3
defaults 1 2
none /dev/pts devpts
gid=5,mode=620 0 0
none /dev/shm tmpfs
defaults 0 0
none /proc proc
defaults 0 0
none /sys sysfs
defaults 0 0
/dev/VolGroup00/LogVol01 swap swap
defaults 0 0
/dev/hdc1 /data ext2
defaults 1 2
/dev/hda /media/cdrom auto
pamconsole,fscontext=sys
tem_u:object_r:removable_t,exec,noauto,managed 0 0
[EMAIL PROTECTED] ~]#
Am I correct in my understanding that the SATA drives are mapped
differently
from the IDE drives - and that /dev/sdb is my shiny new HDD?
Is formatting a SATA drive any different than an IDE drive?
TIA,
C
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