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Re: [PLUG] Adding a second HD to a Linux system
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Aaron Crosman wrote:
| I noticed today that I'm starting to use up the 1 HD in one of my Linux
| systems. So I'd like to add a second. Having never done this under
| Linux before I thought I'd better ask for suggested reading before I
| take on the task. Are there any pitfalls, or cautions I should be
| careful of?
|
| Since the server uses much of it's Disk space for web server staging I
| figure I'll move the web server docs and the home directories there.
| Any reason that's a bad idea?
|
| Thanks for any guidance.
| Aaron
The first thing is to buy a drive that has the greatest warranty. There
are a lot of cheap HD's on the market that are the pits and have
virtually no warranty. For servers I buy drives with a 5 year warranty.
~ A little extra spent can save a lot of headaches in the future.
Since this is a server that you are adding the drive to You might have
SCSI drives already installed in the box along with a SCSI controller.
After you have determined what is already installed on the system, get a
compatable drive that matches the cpu. A number of the newer drives
that have huge capacities have a tough time being read by some older CPU's
When you install the drive partition the drive with either fdisk or
cfdisk. I have found cfdisk is a little easier to use for the new user.
After the drive is partitioned you need to determine what filesystem you
want to use on the partitions. I prefer ext3 while others prefer
reiserfs. With Linux you have a lot of choices. With a home directory
I like to manually set the options with the following command:
mke2fs -c -b 1024 -i 1024 -j -m 1 /dev/sdb1
-c Check for bad blocks
-b Block size the default is 4096
-i Inode size
-j Create a journal
-m percentage reserved for lost+found directory default is
5% With gigs of space 5% is a bit much.
/dev/sdb1 SCSI Drive
/dev/hdb1 IDE Drive
After you have created the filesystems, you should edit /etc/fstab to
reflect the new mount points.
Another item is to copy the old partitions to the new partitions using a
temporary mount point for the new partitions.
mount /dev/sdb1 /mnt/tmp
cp -a /home/* /mnt/tmp
umount /mnt/tmp
umount /home
mount /dev/sdb1 /home
I hope that this helps :-)
LeRoy
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