Sorry i wasnt clear, the n2100 has 2 disk and i want to use LVM / RAID to
provide an area of RAID1 storage across both disks and and area of raid0
storage such that 2x 500GB disks could yeald say 200GB R1 and 600GB R0
therefore not loosing 50% :-). Using LVM to divide the disks into 50GB
chunks so that disk can be reallocated if required. As i said im new to
linux so im not clear on how to do this exactly yet but want to find out,
the linux guys i work with say that i have some options.
Does that make more sense? Thanks for the reply.
:)
----- Original Message -----
From: "Lennart Sorensen" <[EMAIL PROTECTED]>
To: "Andrew Haswell" <[EMAIL PROTECTED]>
Cc: <debian-arm@lists.debian.org>
Sent: Friday, December 14, 2007 3:05 PM
Subject: Re: Installing debian on N2100
On Thu, Dec 13, 2007 at 07:57:53PM -0000, Andrew Haswell wrote:
I've been waiting to see if the installer will get fixed so i can install
Debian on my Thecus n2100. My skillset is wintel based not Linux which is
to say that i am highly technical and i would like to use my n2100 to
cross
train. As the installer doesnt seem to be getting fixed, can anyone
advise
me whether i should attempt the work around or not? Ive got the latest
firmware on the thecus and can ssh into the box. I would like to get
debian
on it and then use LVM to raid 1 a portion of the disk for data
protection
including the debian mount points. And from there learn Debian in more
detail.
My understanding is that the only problem with the installer is that it
has to be manually told which kernel to use, which can be done by either
starting the installer in expert mode or at least telling it to run with
debconf priority of low which will make it ask which kernel to use. I
haven't done it (my arm system doesn't have any way to use the debian
installer, so I had to create a chroot with debootstrap and switch to
it).
I would like to do this as a project over christmas, im just worried
about
getting stranded. Advice greatfully received.
Doing raid1 between two partitions (I have never done raid on top of
LVM, only LVM on raid) on the same disk offers essentially no protection
at all. Data loss due to sectors going bad is far less common than data
loss due to the drive failing entirely. It will also cause a severe
performance hit since you will be doing constant seeks to try and access
both parts whenever you are writing. So overall a very very bad idea.
Disks are cheap, use two.
--
Len Sorensen
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