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Old 04-11-2008, 08:50 PM   #1
geekasaurus
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Registered: Apr 2008
Posts: 12

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Easy disk/LVM question


I have just installed Fedora Core 8 on an AMD Geode system. Its quicker than spit on a skittle. Its the only OS on this system.

I have been doing Unix for 25 years, but I know a lot more AIX, HPUX and Solaris than I do Linux.

The OS is installed on an internal 40GB disk. I've also installed a 300GB disk that I want to mount at /mnt1.

The output from fdisk -l is:
========================================================================
[root@hostname]# fdisk -l

Disk /dev/sda: 40.0 GB, 40020664320 bytes
255 heads, 63 sectors/track, 4865 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x00029c25

Device Boot Start End Blocks Id System
/dev/sda1 * 1 25 200781 83 Linux
/dev/sda2 26 4865 38877300 8e Linux LVM

Disk /dev/sdb: 300.0 GB, 300069052416 bytes
255 heads, 63 sectors/track, 36481 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x000edd54

Device Boot Start End Blocks Id System
/dev/sdb1 * 1 36481 293033601 8e Linux LVM

Disk /dev/dm-0: 338.6 GB, 338698436608 bytes
255 heads, 63 sectors/track, 41177 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x00000000

Disk /dev/dm-0 doesn't contain a valid partition table

Disk /dev/dm-1: 1073 MB, 1073741824 bytes
255 heads, 63 sectors/track, 130 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x30307800

Disk /dev/dm-1 doesn't contain a valid partition table
[root@hostname]#
======================================================================
Where did disks DM-0 and DM -1 come from?

How do I format and mount /dev/sdb?
I don't need LVM on this system. This system can be 'dumb as a stump' for now.

Can anyone give me a quick-and-dirty overview?
(this would be easy in AIX: I love SMIT)
 
Old 04-12-2008, 12:29 AM   #2
Kahless
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Registered: Jul 2003
Location: Pennsylvainia
Distribution: Slackware / Debian / *Ubuntu / Opensuse / Solaris uname: Brian Cooney
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Change the type to Linux. You can do that in fdisk or cfdisk.... you apparently already know how to do that since you partitioned it

I am guessing that the dm-0 crap is the lvm device name... but I dont know lvm, and you said it can be dumb as a rock so lets not use it


# Create a filesystem on the device
mkfs.ext3 /dev/sdb1



# Mount it so it is accessable now
mount /dev/sdb1 /mnt

# Make it keep working when you reboot.
# Add this line to /etc/fstab
/dev/sdb1 /mnt reiserfs defaults 1 2
 
  


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