[CLUE-Tech] Which RedHat SMP Version

[Gary Threlkeld]

Thanks everyone for the input ... nice to know help is offered so
freely and is readily available.

Per Dave's suggestion, at least as a trial run, I did an 
installation from the RH9 distribution CD's.  Dave was 
right ... the install selected an SMP version for me.  
(I didn't think anything but the single CPU kernel would 
be offered on downloaded ISO's).  

The result is that the install assumed the PII 450's were 
of the i686 breed and posted two versions of the kernel to grub:
2.4.20-8smp
2.4.20-8

Selecting 2.4.20-8smp, the machine booted almost as fast 
as my 1.9 GHz athlon!  After booting:

$uname -s  {Kernel}
Linux
$uname -n  {nodename}
bobcat.dcg-dn001.com
$uname -r   {kernel release}
2.4.20-8smp
$uname -v   {kernel version}
#1 SMP Thurs Mar 13 17:45:54 EST 2003
$uname -m  {machine}
i686
$uname -p  {processor}
i686
$uname -i   {hardware} <== maybe here was my confusion
i386
$uname -o  {operating system}
GNU/Linux

Now back to more reading and take the plunge into building my
own kernel.... wonder what this puppy will do when I boost
the memory from the current 128M .... humm???

Later - THANKS EVERYONE

Gary T. Threlkeld
email:     gthrelk at attbi.com


  ----- Original Message ----- 
  From: Dave Hahn 
  To: clue-tech at clue.denver.co.us 
  Sent: Thursday, June 19, 2003 9:45 AM
  Subject: Re: [CLUE-Tech] Which RedHat SMP Version


  If you do a standard RH9 installation, the installer should pick the correct kernel version.  If not, use up2date (the RH9 CDs are already out of date) and it will grab the appropriate architecture for your processors.

  -d
    ----- Original Message ----- 
    From: Gary Threlkeld 
    To: clue-tech at clue.denver.co.us 
    Sent: Thursday, June 19, 2003 9:19 AM
    Subject: [CLUE-Tech] Which RedHat SMP Version


    I've managed to acquire a SuperMicro P6DLS - dual processor
    system with dual Intel PII 450 MHz CPU's.  I want to load it up with 
    Redhat 9 and play with SMP. 

    Going to a Redhat mirror, there are SMP kernels for i586 and i686.
    I want to make sure that I have the right kernel but am a little
    unclear as to which to install.

    The server model id would lead me to believe that I should
    use the i686 download.  "P6DLS" - I believe stands for P6,
    dual-processor, 440LX chipset, SCSI.

    OTOH, I thought that PII's were considered i586 generation
    processors.

    FINALLY, to my questions ...

    1)  Any thoughts as to which kernel I should run?
    2)  Help me understand the differences in the kernels.  Are
         there going to be catastrophic problems (damage) if I
         attempt to use the wrong one or just performance issues?
    3)  For future reference... are there "concrete rules" to apply
         do help decide which kernel series i386, i486, etc to use 
         with a processor series PII, PIII, P4, etc.?


    Thanks for any information.  I've been looking but could use
    your knowledge and feedback.

    Gary T. Threlkeld
    email:     gthrelk at attbi.com
         
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