From: John P. Eisenmenger (jpe_at_eisenmenger.org)
Date: Wed 26 Mar 2003 - 23:43:01 GMT
If you hack the RHAS kernel, then are you really still running RHAS?
Given the intended result of a stable, supportable enterprise Linux, I
would think an activity like this would effectively void support.
I'm not a RH customer and have never read the RHAS license, support
contract or anything. It's just that doing this stikes me as being
counter to what I understand the motivation behind RHAS to be.
On Wed, 26 Mar 2003, Mike Savage wrote:
> I too would greatly appreciate a RedHat AS 2.1 vserver patch...I would
> attempt to do it myself, but I am not a proficient kernel programmer.
> The 2.4.9 kernel that is supplied with RedHat AS 2.1 is far from a vanilla
> kernel. In particular it, includes the 2.4.9-ac10 patch, as well as
> backports of various subsystem components from kernel versions up to 2.4.18.
> This kernel also includes substantial internal reworkings, including async
> io support, among other things.
> RedHat has released an updated kernel SRPM for RedHat AS 2.1. It can be
> found here:
> Using rpm2cpio and then cpio, one can crack open the SRPM and take a look at
> the code and patches for the latest RedHat AS 2.1 kernel. This kernel would
> would probably be a better candidate for any potential vserver patches, were
> anyone to undertake this endeavor. It appears that RedHat has started with
> a vanilla 2.4.18 kernel and then applies the 2.4.19-pre10-ac2 patch before
> including various other subsystem patches.
> My reason for wanting a RedHat AS kernel is that my company uses Oracle
> products that require RedHat AS 2.1. I have SCSI arrays with hundreds of
> GBs of space...but I have limited physical machines. It would be great to
> use vserver to partition up different machines into separate vservers for
> different Oracle products. Also, some products I also use, ie. JBoss 2.4.x,
> have no way to bind to a single IP address. Thus, I can not run multiple
> installations of JBoss 2.4.x on a single server without using vserver to
> compartmentalize my physical server into separate JBoss vserver containers.
> I started a similar thread a while back, however, I got no takers on trying
> to get anywhere with achieving a vserver patch for RedHat AS 2.1. Any
> takers this go around? If I can assist anyone in this goal, please let me
> know. I am not a hardcore C/kernel programmer, but I am willing to assist
> in any way I can.
> -----Original Message-----
> From: Herbert Poetzl [mailto:herbert_at_13thfloor.at]
> Sent: Saturday, March 22, 2003 2:07 PM
> To: vserver_at_solucorp.qc.ca
> Subject: Re: [vserver] RHAS2.1 With vserver
> On Sat, Mar 22, 2003 at 07:25:01PM +0100, Bobby wrote:
> > The reason kernel changes cannot be made, is due to support issues, and as
> > management has requested these kernels not be touched, I have my view on
> > this issue but thats another story :^)..
> > The main goal of using vserver, is to set up 2 instances, of an
> > server in a controlled state, trying clustering etc. The other would be to
> > set up development environments, without having to use real system
> > and resources etc.
> you would always use real (system) resources ...
> > If anyone is willing to make a patch for the RHAS2.1 kernels please do so
> > :^)
> this would not help you, because it would require
> to change the kernel too ... *G*
> (get rid of the management or provide better reasoning ;)
> > ----- Original Message -----
> > From: "Herbert Poetzl" <herbert_at_13thfloor.at>
> > To: <vserver_at_solucorp.qc.ca>
> > Sent: Saturday, March 22, 2003 2:08 PM
> > Subject: Re: [vserver] RHAS2.1 With vserver
> > > On Sat, Mar 22, 2003 at 01:41:03PM +0100, Bobby wrote:
> > > > Hello all,
> > > > Im trying to set up vserver on RedHat Advanced Server 2.1, problem
> > is
> > > > that I cannot upgrade the kernel.
> > >
> > > - why is that so?
> > > - what is the problem with upgrading the kernel?
> > >
> > > > Thus im stuck with the kernel version that
> > > > comes out with this system, (2.4.9-XX). Has anyone tried to use
> > with
> > > > RHAS2.1, or does anyone know if there is any patches for this kernel.
> > >
> > > I do not know any reasonable advanced patch for
> > > this kernel version (2.4.9 is one and a half year ago)
> > >
> > > > I Would really like to try this out on our enterprise servers and
> > > > applications.
> > >
> > > what benefit do you expect for your 'applications'?
> > >
> > > best,
> > > Herbert
> > >
> > > > Thanks in advance,
> > > > Rob
> > > >
> > >
-- John P. Eisenmenger jpe_at_eisenmenger.org