[WBEL-users] RAID

[Alon]

I actually found an email from a coleague who did a semi-walkthrough with me 
on the setup.
I know the HowTos are great, but they are very technical.
I can read them but I find that they are hard to implement as they are 
explaining the benefits, and suggest
that You should configure.. etc.. but no real steps and orders of what to 
click.
So it feels like you are invited to this great party.. and you are standing 
in front of this door,.. and you hear
the party going and everyone excited, but you can't open the door because it 
has a combination lock.

We had some other issues with our server and actually returned it back to 
the supplier and we are getting
a new server instead.

Since I have the old instructions of how I've done it last time, I'm going 
to actually try and build a picture
by picture of screen shots of how I configured the RAID-1 (for the dummies 
like me who need someone
to hold their hands).

Here is another thing:

With the LVM option, I never actually had any experience.
It would be great to play with it,. the only problem that I'm having is that 
I'm never having the physical hardware
long enough to play with it and experiment with it.

But,. while I'm on that subject, I remember that when I did the RAID-1 
option few months ago, I tried to test it
and see what happens if I pull one of the HDs out and try to connect them 
one at a time to simulate a
HD's failure.
To my understanding, I was expecting to see both HDs (each in his turn) boot 
up and no problem.
However, I found that only one of them was booting up correctly.

Was I missing something? (very likely).
Would I encounter something like that with the LVM?

Thanks,

- Alon
js at wsco.com
----- Original Message ----- 
From: "Bob Ramstad" <rramstad at gmail.com>
To: <whitebox-users at beau.org>
Sent: Thursday, April 14, 2005 6:11 PM
Subject: [WBEL-users] RAID


>I read in digest form so it's hard for me to quote the post, but
> someone out there is having problems remembering how to set up RAID on
> an initial install of WBEL and was attempting to do it using the
> manual partition method.
>
> I recommend instead using Disk Druid.
>
> There are a number of resources on the net which will tell you how to
> use Disk Druid to partition disks using RAID.
>
> For RAID1, you want to declare partitions on two disks which are of
> the same size and of type RAID, then create a RAID device which uses
> the two of them and is mounted as an ext3 filesystem.
>
> I would echo the previous poster who recommended the excellent HOWTO
> and who also recommended LVM.  I use LVM both with and without RAID
> and find it a very workable system especially if disk use fluctuates.
>
> Basically to use LVM with RAID, instead of having the RAID device
> mounted as an ext3 filesystem, you have the RAID device used as a
> physical volume for LVM, and you can then declare logical volumes for
> use as ext3 filesystems within that volume.
>
> -- Bob
>
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