From: Zachary Uram on
I just got a 500gb Hitachi hard drive (this is my second drive, my
first drive is /dev/sda).
What is the best way to install this in Linux? Is it better to run ext3 or ext4?

Zach

<>< http://www.fidei.org ><>


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From: Anand Sivaram on
On Sat, Jul 10, 2010 at 05:06, Zachary Uram <netrek(a)gmail.com> wrote:

> I just got a 500gb Hitachi hard drive (this is my second drive, my
> first drive is /dev/sda).
> What is the best way to install this in Linux? Is it better to run ext3 or
> ext4?
>
> Zach
>
> <>< http://www.fidei.org ><>
>
>
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>
>

Whenever possible use ext4, actually ext4 got merged into the kernel during
2.6.29 times.
It depends upon what debian version you are using. Lenny standard debian
kernel is 2.6.26 which does not have support for ext4, but if you are using
backports then you get 2.6.32 kernel.
Also ext4 works with squeeze/sid.

You do not need to install anything. Just connect it, then from root do
"fdisk -l" you should see your new hard drive.
From: thib on
Just plug it in and format it. If it's not supposed to be bootable and you
only plan to format one block device on it (a filesystem, a physical volume,
an encrypted volume, ...), you don't have to partition it (I usually don't)
although some software *might* get confused by disks without "labels". If
you're going for one, consider GUID instead of DOS partition tables (look
for "GPT").

There's a hell lot of confusion about ext4, so I wouldn't trust much
recommendations unfortunately, you might want to dig the facts for yourself.
You can find many other ext3 vs ext4 threads here and there if you really
want to read those debates, just make sure to double check the facts and see
if the discussion is recent enough. I personally use ext4 without
hesitation, for what it's worth.

If your question was more related to the layout of your setup, feel free to
give us more information about what you want exactly. If you wanted some
pointers about the tools you should use to accomplish this, please say so.

-t


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From: Charles Kroeger on
>There's a hell lot of confusion about ext4

If you had an image of a partition that used the ext3 file system and tried
to install this image unto a freshly partitioned hard drive with an ext4 file
system, would the image be destroyed or corrupted?

thanks,

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CK

Deo Soli Debianae, Invicto, Seculari


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From: thib on
Charles Kroeger wrote:
> If you had an image of a partition that used the ext3 file system and tried
> to install this image unto a freshly partitioned hard drive with an ext4 file
> system, would the image be destroyed or corrupted?

I'm sorry I really don't understand, please define what you mean by
"installing" the image.

Random guesses:
- If you want to restore the image then upgrade the ext3 filesystem to ext4,
there's no problem; you can find some procedures around the net, although
generally just mounting the filesystem as ext4 will do the trick. Note
however that only newer files will take advantage of most ext4 features
(extents,..).
- If you want to restore the ext3 filesystem image in a separate partition
than the one containing the existing (and new) ext4 filesystem, then there's
no problem either, you can mount any filesystem on any other filesystem, as
long as they have enough POSIX features (AFAIK).

-t


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