[vox-tech] Two Install Questions

2011-03-12 Thread Bob Scofield
I've been running Kubuntu Hardy on my laptop and desktop.  I've frozen myself 
at KDE 3.5.  But some updates ruined Kubuntu on my laptop and I installed 
Ubuntu 10.10 on the laptop.  Because I like it so much, I've decided to 
install Unbuntu 10.10 on my desktop.  This has led to two questions.

1)  During the install I am told that I have a partition called dev/sdb1 in 
ext3.  I had no idea what that could be.  So I aborted the install, and went 
into Kubuntu to find out.  dev/sdb1 was not mounted.  But by 
executing fdisk -l I got this:

 Device Boot  Start End  Blocks   Id  System
/dev/sdb1   1130610490413+  83  Linux

So I mounted it to see what it was.  It's an empty directory 
called lost+found.

What is that there?  What does lost+found do?  Why do I need it?

2)  During my laptop install I was given the choice of ext3 or ext4.  Given my 
level of expertise, I'd never heard of ext4.  By Googling, I learned that 
ext4 came out in 2008.  So you can see where I'm at.

I didn't see any negative comments about ext4 so I used it.  I'll have the 
same choice when I install on my desktop.  I assume that ext4 is the best 
choice.  Is that right?

Thank you.

Bob


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Re: [vox-tech] Two Install Questions

2011-03-12 Thread Tony Cratz
On 03/12/2011 06:56 AM, Bob Scofield wrote:
 So I mounted it to see what it was.  It's an empty directory 
 called lost+found.
 
 What is that there?  What does lost+found do?  Why do I need it?
 

All Unix base systems create a .lost+found partition. The
idea is during fsck if a file is found which fsck can not find
the correct link to relink it to it will save the file in
.lost+found for you to take a look at and maybe rename and
restore to the file system.

Normally from what I have found over the years, if the file
is there it really should have been deleted, or the file system
was so screwed up that it should be wiped clean and restore from
backup.

 I didn't see any negative comments about ext4 so I used it.  I'll have the 
 same choice when I install on my desktop.  I assume that ext4 is the best 
 choice.  Is that right?

EXT4 file systems are the new replacement for EXT2 and EXT3 file
system. There are a number of pluses for moving to it. Early in
its life there was good reason not to. But now EXT4 is a very
good choice. And depending on the size of the file system the
only choice.


Tony

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