Linux-PowerEdge Digest, Vol 26, Issue 16

nitin.gizare at wipro.com nitin.gizare at wipro.com
Sun Dec 10 11:14:58 CST 2006


HI

I am planning to purchase 5 PE2950 with RHEL4.0.
Just wanted to now how stable these m/c are.

Need u expert inputs to place order?

Rgds
Nitin

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Today's Topics:

   1. perc2/dc and CentOS/RHEL4 (Gerard Louviere)
   2. Re: perc2/dc and CentOS/RHEL4 (Matt Domsch)
   3. Re: perc2/dc and CentOS/RHEL4 (Adam Williams)
   4. Re: perc2/dc and CentOS/RHEL4 (J. Epperson)
   5. Re: perc2/dc and CentOS/RHEL4 (Phil Hale)
   6. Re: perc2/dc and CentOS/RHEL4 (Gerard Louviere)


----------------------------------------------------------------------

Message: 1
Date: Sat, 9 Dec 2006 17:16:24 -0600
From: "Gerard Louviere" <gerard at louviere.net>
Subject: perc2/dc and CentOS/RHEL4
To: <linux-poweredge at dell.com>
Message-ID: <003e01c71be8$0c437aa0$3d90a8c0 at HP751N>
Content-Type: text/plain;	charset="iso-8859-1"

i'm attempting to do a boot-from-cdrom install of CentOS 4.4 (RHEL4
comp/2.6 
kernel) onto a PowerEdge 2400.

it's complains that the Perc2/DC (megaraid_mbox driver) controller, in
the 
pe2400, is no longer supported (as well as Dell and LSI).

anyone know of a work-around, or a way i can compile my own drivers to
use?

or... alternately... which Perc controllers would work in the pe2400?

thanks,

Gerard.



------------------------------

Message: 2
Date: Sat, 9 Dec 2006 19:12:10 -0600
From: Matt Domsch <Matt_Domsch at dell.com>
Subject: Re: perc2/dc and CentOS/RHEL4
To: Gerard Louviere <gerard at louviere.net>
Cc: linux-poweredge at dell.com
Message-ID: <20061210011210.GA12353 at lists.us.dell.com>
Content-Type: text/plain; charset=us-ascii

On Sat, Dec 09, 2006 at 05:16:24PM -0600, Gerard Louviere wrote:
> i'm attempting to do a boot-from-cdrom install of CentOS 4.4 (RHEL4
comp/2.6 
> kernel) onto a PowerEdge 2400.
> 
> it's complains that the Perc2/DC (megaraid_mbox driver) controller, in
the 
> pe2400, is no longer supported (as well as Dell and LSI).
> 
> anyone know of a work-around, or a way i can compile my own drivers to
use?
> 
> or... alternately... which Perc controllers would work in the pe2400?

For systems of that vintage, our recommendation is to use Linux
software RAID on disks attached to the onboard Adaptec SCSI
controllers (aic7xxx driver).  CentOS 4.4 can create software RAID
arrays at install time quite nicely.  I ran this config with Fedora on
my last PE2400 for several years before finally upgrading to newer
hardware.

Thanks,
Matt

-- 
Matt Domsch
Software Architect
Dell Linux Solutions linux.dell.com & www.dell.com/linux
Linux on Dell mailing lists @ http://lists.us.dell.com



------------------------------

Message: 3
Date: Sat, 09 Dec 2006 20:14:27 -0600
From: Adam Williams <awilliam at mdah.state.ms.us>
Subject: Re: perc2/dc and CentOS/RHEL4
To: linux-poweredge at dell.com
Message-ID: <457B6D83.7090601 at mdah.state.ms.us>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

Out of curiosity, is there anything wrong with the PERC2/DC other then 
not being Dell/LSI supported?  I have a PE2400 (no longer in service) 
but it runs fine with drives on the 2/DC.  I don't understand why CentOS

won't install on it because its unsupported.  I mean, there is plenty of

ancient hardware with kernel drivers/kernel developer support even 
though a manufacturer may no longer manufacture/support that hardware.

Matt Domsch wrote:
>
>
> For systems of that vintage, our recommendation is to use Linux
> software RAID on disks attached to the onboard Adaptec SCSI
> controllers (aic7xxx driver).  CentOS 4.4 can create software RAID
> arrays at install time quite nicely.  I ran this config with Fedora on
> my last PE2400 for several years before finally upgrading to newer
hardware.
>
> Thanks,
> Matt
>
>   



------------------------------

Message: 4
Date: Sat, 9 Dec 2006 22:20:18 -0500 (EST)
From: "J. Epperson" <linux-poweredge at epperson.homelinux.net>
Subject: Re: perc2/dc and CentOS/RHEL4
To: linux-poweredge at dell.com
Message-ID:
	<62691.24.125.67.188.1165720818.squirrel at epperson.homelinux.net>
Content-Type: text/plain;charset=iso-8859-1

On Sat, December 9, 2006 21:14, Adam Williams wrote:
> Out of curiosity, is there anything wrong with the PERC2/DC other then
> not being Dell/LSI supported?  I have a PE2400 (no longer in service)
> but it runs fine with drives on the 2/DC.  I don't understand why
CentOS
> won't install on it because its unsupported.  I mean, there is plenty
of
> ancient hardware with kernel drivers/kernel developer support even
> though a manufacturer may no longer manufacture/support that hardware.
>

I think Matt Domsch can answer that more cogently as to exactly where
and
why the upstream decisions have been taken, but it's definitely upstream
of Centos.  I have a vague, possibly incorrect, understanding that the
legacy megaraid driver code doesn't play well with the Common Management
Module interfaces, and it's just gotten to be too much to keep it all
duct-taped together in the later distributions, probably particularly so
now that it would have to co-exist with both megaraid_mbox _and_
megaraid_sas.

Nothing wrong with it, it's just kind of like keeping a '59 Mercury
running in Havana.



------------------------------

Message: 5
Date: Sat, 09 Dec 2006 23:18:37 -0600
From: Phil Hale <phale at zues.tamucc.edu>
Subject: Re: perc2/dc and CentOS/RHEL4
To: "J. Epperson" <linux-poweredge at epperson.homelinux.net>
Cc: linux-poweredge at dell.com
Message-ID: <1165727917.8243.5.camel at localhost.localdomain>
Content-Type: text/plain

Howdy all,

I've been running a Dell PowerEdge 6400 with a PERC Megaraid 2/DC on
CentOS 4.x for over a year now. I just rebuild the last stable megaraid
driver for it.  It runs with no problems; and this is on my main web
server with 150+ virtual hosts.  Bit of an annoyance, but not terrible.
I found the directions on the web via a search of CentOS 4.x rebuild
PERC 2/DC.


Phil Hale
Systems Programmer II - Linux Systems Administrator
Computer Services
Texas A&M University-Corpus Christi

On Sat, 2006-12-09 at 22:20 -0500, J. Epperson wrote:
> On Sat, December 9, 2006 21:14, Adam Williams wrote:
> > Out of curiosity, is there anything wrong with the PERC2/DC other
then
> > not being Dell/LSI supported?  I have a PE2400 (no longer in
service)
> > but it runs fine with drives on the 2/DC.  I don't understand why
CentOS
> > won't install on it because its unsupported.  I mean, there is
plenty of
> > ancient hardware with kernel drivers/kernel developer support even
> > though a manufacturer may no longer manufacture/support that
hardware.
> >
> 
> I think Matt Domsch can answer that more cogently as to exactly where
and
> why the upstream decisions have been taken, but it's definitely
upstream
> of Centos.  I have a vague, possibly incorrect, understanding that the
> legacy megaraid driver code doesn't play well with the Common
Management
> Module interfaces, and it's just gotten to be too much to keep it all
> duct-taped together in the later distributions, probably particularly
so
> now that it would have to co-exist with both megaraid_mbox _and_
> megaraid_sas.
> 
> Nothing wrong with it, it's just kind of like keeping a '59 Mercury
> running in Havana.
> 
> _______________________________________________
> Linux-PowerEdge mailing list
> Linux-PowerEdge at dell.com
> http://lists.us.dell.com/mailman/listinfo/linux-poweredge
> Please read the FAQ at http://lists.us.dell.com/faq



------------------------------

Message: 6
Date: Sun, 10 Dec 2006 00:38:41 -0600
From: "Gerard Louviere" <gerard at louviere.net>
Subject: Re: perc2/dc and CentOS/RHEL4
To: "Matt Domsch" <Matt_Domsch at dell.com>
Cc: linux-poweredge at dell.com
Message-ID: <005601c71c25$d5b9a6b0$3d90a8c0 at HP751N>
Content-Type: text/plain;	charset="iso-8859-1"

if i go linux software raid, can i still use the hot-swap drives?

----- Original Message ----- 
From: "Matt Domsch" <Matt_Domsch at dell.com>
To: "Gerard Louviere" <gerard at louviere.net>
Cc: <linux-poweredge at dell.com>
Sent: Saturday, December 09, 2006 7:12 PM
Subject: Re: perc2/dc and CentOS/RHEL4


On Sat, Dec 09, 2006 at 05:16:24PM -0600, Gerard Louviere wrote:
> i'm attempting to do a boot-from-cdrom install of CentOS 4.4 (RHEL4 
> comp/2.6
> kernel) onto a PowerEdge 2400.
>
> it's complains that the Perc2/DC (megaraid_mbox driver) controller, in
the
> pe2400, is no longer supported (as well as Dell and LSI).
>
> anyone know of a work-around, or a way i can compile my own drivers to

> use?
>
> or... alternately... which Perc controllers would work in the pe2400?

For systems of that vintage, our recommendation is to use Linux
software RAID on disks attached to the onboard Adaptec SCSI
controllers (aic7xxx driver).  CentOS 4.4 can create software RAID
arrays at install time quite nicely.  I ran this config with Fedora on
my last PE2400 for several years before finally upgrading to newer
hardware.

Thanks,
Matt

-- 
Matt Domsch
Software Architect
Dell Linux Solutions linux.dell.com & www.dell.com/linux
Linux on Dell mailing lists @ http://lists.us.dell.com 



------------------------------

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End of Linux-PowerEdge Digest, Vol 26, Issue 16
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