Re: AMD64 + nvraid installation

2006-07-01 Thread Gabor Gombas
On Fri, Jun 30, 2006 at 02:35:26PM +0200, Eugen Leitl wrote:

 Um, I haven't done such a mixed installation, but that nvidia softraid
 is likely to give you grief, and even if the motherboard dies on you,
 and you want to get back at your data. Doesn't newer (XP and 2003 etc.)
 do a soft RAID of it's own, so you can skip this BIOS soft RAID
 monstrosity?

There are multiple problems with this:

- It requires to turn your disk to a Dynamic Disk in Windows. Although
  the Linux kernel supports it, I never tried it and I do not know what
  tools are available under Linux for managing dynamic disks (like
  creating/deleting partitions).

- Although XP can _use_ mirrored volumes, it can not _create_ them. You
  need a server edition of Windows to create the volumes. If you do not
  want to buy a server edition license, then you've lost.

Microsoft has still a _lot_ to learn.

Gabor

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Re: AMD64 + nvraid installation

2006-07-01 Thread Adam Skutt

Gabor Gombas wrote:


- Although XP can _use_ mirrored volumes, it can not _create_ them. You
  need a server edition of Windows to create the volumes. If you do not
  want to buy a server edition license, then you've lost.
There was a published hack on Tom's Hardware (dunno if it's there anymore) that 
explain how to get around this limitation, if you're daring.  It comes down to 
hexediting one of the disk management DLLs.


Thanks,
Adam


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AMD64 + nvraid installation

2006-06-30 Thread Jan De Luyck
Hello list,

Just a short question: I'm getting an AMD64 system delivered soon, and I'd 
like to make use of the nvidia 'softraid' that comes with it (I need it in 
both OS' that will run on the box).

I haven't really found much documentation on this: is this supported from the 
debian installer on amd64? Or is it manual work?

Thanks,

Jan
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Re: AMD64 + nvraid installation

2006-06-30 Thread Eugen Leitl
On Fri, Jun 30, 2006 at 02:13:42PM +0200, Jan De Luyck wrote:
 Hello list,
 
 Just a short question: I'm getting an AMD64 system delivered soon, and I'd 
 like to make use of the nvidia 'softraid' that comes with it (I need it in 
 both OS' that will run on the box).

Um, I haven't done such a mixed installation, but that nvidia softraid
is likely to give you grief, and even if the motherboard dies on you,
and you want to get back at your data. Doesn't newer (XP and 2003 etc.)
do a soft RAID of it's own, so you can skip this BIOS soft RAID
monstrosity? I don't think you're getting a major tradeoff out of this,
maybe a little less performance under Windows, but better performance
under Linux.
 
 I haven't really found much documentation on this: is this supported from the 
 debian installer on amd64? Or is it manual work?

You probably will need a very recent kernel, and I'm not too sure
whether the nvidia soft RAID is binary-only driver? (just a speculation,
don't know).

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Re: AMD64 + nvraid installation

2006-06-30 Thread Karl Schmidt

Jan De Luyck wrote:

Hello list,

Just a short question: I'm getting an AMD64 system delivered soon, and I'd 
like to make use of the nvidia 'softraid' that comes with it (I need it in 
both OS' that will run on the box).


I haven't really found much documentation on this: is this supported from the 
debian installer on amd64? Or is it manual work?




Works with mini.iso -- I installed jfs/lvm/raid with the main system on jfs/raid


Thanks,

Jan



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Re: AMD64 + nvraid installation

2006-06-30 Thread Jo Shields

Karl Schmidt wrote:

Jan De Luyck wrote:

Hello list,

Just a short question: I'm getting an AMD64 system delivered soon, 
and I'd like to make use of the nvidia 'softraid' that comes with it 
(I need it in both OS' that will run on the box).


I haven't really found much documentation on this: is this supported 
from the debian installer on amd64? Or is it manual work?




Works with mini.iso -- I installed jfs/lvm/raid with the main system 
on jfs/raid


Using the NVidia fakeraid support, such that Windows is also happy to 
see the drives as RAIDed and boot from them? (as opposed to by using MD)



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Re: AMD64 + nvraid installation

2006-06-30 Thread Erik Mouw
On Fri, Jun 30, 2006 at 02:05:50PM +0100, Jo Shields wrote:
 Just a short question: I'm getting an AMD64 system delivered soon, 
 and I'd like to make use of the nvidia 'softraid' that comes with it 
 (I need it in both OS' that will run on the box).
 
 I haven't really found much documentation on this: is this supported 
 from the debian installer on amd64? Or is it manual work?
 
 
 Works with mini.iso -- I installed jfs/lvm/raid with the main system 
 on jfs/raid
 
 Using the NVidia fakeraid support, such that Windows is also happy to 
 see the drives as RAIDed and boot from them? (as opposed to by using MD)

Just use dmraid, it's a layer on top of MD that is able to read the
proprietary fakeraid configs and make a workable MD device from it.

See http://people.redhat.com/~heinzm/sw/dmraid/ and
http://linux-ata.org/faq-sata-raid.html .


Erik

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Re: AMD64 + nvraid installation

2006-06-30 Thread Adam Stiles
On Friday 30 June 2006 13:13, Jan De Luyck wrote:
 Hello list,

 Just a short question: I'm getting an AMD64 system delivered soon, and I'd
 like to make use of the nvidia 'softraid' that comes with it (I need it in
 both OS' that will run on the box).

 I haven't really found much documentation on this: is this supported from
 the debian installer on amd64? Or is it manual work?

If it's nVidia, it may well be closed-source and binary-only.  In which case, 
absolutely do not touch it with a four metre barge pole.  Unless you like the 
idea of your data potentially being held to ransom by nVidia .  but most 
people use RAID in order to make their data *more* secure, not *less* secure.  

Either get yourself a proper hardware RAID card such as a 3Ware  {which is 
expensive, but will make the whole array appear as a single SCSI drive};  or 
use Linux's established, Open Source software RAID.

You might get away with using closed-source drivers for a graphics card  
{there's always SSH in an emergency};  but relying on them for something as 
fundamental as your hard disks is just bending over and asking for it.

-- 
AJS


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Re: AMD64 + nvraid installation

2006-06-30 Thread Jo Shields

Erik Mouw wrote:

On Fri, Jun 30, 2006 at 02:05:50PM +0100, Jo Shields wrote:
  
Just a short question: I'm getting an AMD64 system delivered soon, 
and I'd like to make use of the nvidia 'softraid' that comes with it 
(I need it in both OS' that will run on the box).


I haven't really found much documentation on this: is this supported 


from the debian installer on amd64? Or is it manual work?
  
Works with mini.iso -- I installed jfs/lvm/raid with the main system 
on jfs/raid
  
Using the NVidia fakeraid support, such that Windows is also happy to 
see the drives as RAIDed and boot from them? (as opposed to by using MD)



Just use dmraid, it's a layer on top of MD that is able to read the
proprietary fakeraid configs and make a workable MD device from it.

See http://people.redhat.com/~heinzm/sw/dmraid/ and
http://linux-ata.org/faq-sata-raid.html .


So the answer to the original poster's question is this supported from 
the debian installer on amd64? is no, then?



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Re: AMD64 + nvraid installation

2006-06-30 Thread Erik Mouw
On Fri, Jun 30, 2006 at 03:01:18PM +0100, Jo Shields wrote:
 Erik Mouw wrote:
 Just use dmraid, it's a layer on top of MD that is able to read the
 proprietary fakeraid configs and make a workable MD device from it.
 
 See http://people.redhat.com/~heinzm/sw/dmraid/ and
 http://linux-ata.org/faq-sata-raid.html .
 
 So the answer to the original poster's question is this supported from 
 the debian installer on amd64? is no, then?

No idea, I haven't used the debian installer for some time simply cause
there was no amd64 box to install ;-)

Given the amount of nvidia based amd64 platforms, supporting dmraid
from the installer would make sense.


Erik

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Re: AMD64 + nvraid installation

2006-06-30 Thread Lennart Sorensen
On Fri, Jun 30, 2006 at 02:13:42PM +0200, Jan De Luyck wrote:
 Just a short question: I'm getting an AMD64 system delivered soon, and I'd 
 like to make use of the nvidia 'softraid' that comes with it (I need it in 
 both OS' that will run on the box).
 
 I haven't really found much documentation on this: is this supported from the 
 debian installer on amd64? Or is it manual work?

It might be possible with dmraid.  Debian does not to my knowledge
support dmraid in the installer at this time.  You might be able to
install on another HD, build the needed modules/kernel/etc, and then
setup the dmraid on the nvidia raid, and copy the install to there and
make it work.  But there is no easy solution at this time.

I personally don't trust fake raids much, and since I don't dual boot, I
don't have an issue with it.  I also like my raid to be independant of
my motherboard.

--
Len Sorensen


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