Re: Shared filesystems with SuSE SLES 8

2004-10-22 Thread Rob van der Heij
On Fri, 22 Oct 2004 10:39:54 -0700, Robert Gresky
<[EMAIL PROTECTED]> wrote:

> I am trying to implement shared filesystems, so that multiple guests can
> share one /bin and /sbin for example. I am using the redbook
> SG24-6824-00 (Large Scale Linux Deployment) as a guide, but with mixed
> success.

I have used techniques like that to build an army of penguins to do
benchmarks and measure scalabilty. But I find that in real life the
Linux guests end up being less identical, and I expect you will see
that your time is more valuable than the disk space that you can save
with this. Software management is painful when only part of the code
is shared and some is not (I understand that Levanta have addressed
some of these issues and actually got this to work well).

But I reserve the right to change my mind when we include z/VM DCSS
support (i.e. xip2) in the picture. In that case you not only save
disk space, but also reduce the footprint of the virtual machine. And
that is good.

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Re: SLES9 installation problem - again

2004-10-22 Thread Alan Altmark
On Saturday, 10/23/2004 at 08:48ZE10, Vic Cross <[EMAIL PROTECTED]>
wrote:
> Back to the IOCDS then: since we are really trying to work in LCS mode,
> is OSE the correct CHPID type?  Should it be OSA?

>From Gadi's original post:
 CHPID PATH=(CSS(0),02),SHARED,*
   PARTITION=((LINTST,PROD,TEST),(=)),TYPE=OSE,*
   PCHID=141
 CNTLUNIT CUNUMBR=1200,PATH=((CSS(0),02)),UNIT=OSA
 IODEVICE ADDRESS=(1200,253),CUNUMBR=(1200),UNIT=OSA
 IODEVICE ADDRESS=(12FE,1),CUNUMBR=(1200),UNIT=OSAD

CHPID type is correctly set to OSE, indicating non-QDIO mode.  TYPE=OSA
was used only on the original OSA and OSA-2.  The UNIT=OSA and UNIT=OSAD
are also correct.  From the IOCP book:

UNIT=device
  specifies the device type. You specify a maximum of 8 alphanumeric
  or special (#, @, or $) characters to define the device type (such as,
  3390 or 3590). IOCP only checks the syntax for alphanumeric or
  special characters. IOCP does not validate the device value except for
  devices assigned to OSA, OSD, or OSE channel paths. For OSA,
  OSD, and OSE channel paths, IOCP expects devices with unit
  addresses in the range 00-FD to have a value of OSA and the device
  with unit address FE to have a value of OSAD.

The non-OSAs, the value of UNIT is meaningless to Linux and VM.  After all
these years, MVS still uses the field to carry I/O config information. And
since IOCP already knows what the correct values are, it could generate
them.  But, again, it really isn't for IOCP's benefit.

To recall Gadi's problem:  The LCS driver was hanging during load.

Now that all the distractions are past, hopefully someone will have some
helpful advice!




Alan Altmark

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Re: SLES9 installation problem - again

2004-10-22 Thread Vic Cross
On 22/10/2004, at 11:48 pm, Alan Altmark wrote:
David, the 1000base-T feature can operate in QDIO or non-QDIO mode.
The
Gigabit Ethernet feature operates only in QDIO mode.
Okay then... (we're all learning on this one  :)
Back to the IOCDS then: since we are really trying to work in LCS mode,
is OSE the correct CHPID type?  Should it be OSA?
Cheers,
Vic Cross
PS: On Gigabit/1000BaseT -- it's disappointing that the industry
chooses to use the generic term "Gigabit Ethernet" to refer to a
specific implementation of Ethernet that operates at gigabit speed.
Sigh...  No wonder everyone believes networking to be so confusing ;)
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Very good - get it!

2004-10-22 Thread McKown, John
I found this on Slashdot.


"The Register is running a very interesting article about Microsoft and
Linux security. From the article: 'until now there has been no
systematic and detailed effort to address Microsoft's major security
bullet points in report form. In a new analysis published here, however,
Nicholas Petreley sets out to correct this deficit, considering the
claims one at a time in detail, and providing assessments backed by hard
data. Petreley concludes that Microsoft's efforts to dispel Linux
"myths" are based largely on faulty reasoning and overly narrow
statistical analysis.' The full report is available here in HTML form,
and here in PDF. Although the article does make mention of OS X, it
would have been nice if the 'other' OS had been included in the detailed
analysis for comparison." 


Get the report at
http://www.theregister.co.uk/2004/10/22/security_report_windows_vs_linux
.pdf


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Information Technology

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Looking for X-windows server for TurboLinux

2004-10-22 Thread Greg Evans
I have been running TurboLinux 6.5 on our z800 processor for the last 5
months. However I cannot seem to find a good XMCP based server.The
X-windows server that came with  the distribution seemed to work for a
while but was very limited. I need to know if there is anything compatible
that has good features.  Any suggestions?  Thanks in advance.

   Greg

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Re: Setting up VMNFS

2004-10-22 Thread Davis, Larry
Look for the file RPIUVMX  XASSEMBL on VMRMAINT's 176 disk this is the
RACROUTE interface routine used by TCP/IP services to validate user ID's
and passwords also the documentation for setting up these interfaces is
included in the documentation, but I am having a hard time finding the
reference right now.

Larry Davis 

-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of
Wolfe, Gordon W
Sent: Friday, October 22, 2004 13:24 PM
To: [EMAIL PROTECTED]
Subject: Setting up VMNFS

This is cross-posted to both the VM-ESA list and the Linux-390 list.
Sorry for the duplications.

I have a number of apache webservers on several Linux servers that need
to use various pieces of data that is also in use by a number of VM
webservers using VM:Webgateway.  This data is updated every few months.
Rather than go around and update all the various locations, it would be
most convenient if I could update it in one location on VM and just have
all the other systems be able to use it.  It seems that NFS would be the
best solution.  I looked at cmsfs, but I also need the occasional
read-write capability.

So I'm trying to set up VMNFS for the first time.  It's considerably
different than NFS on Linux.  I'm having all kinds of problems with
"permission denied".  I'll want to serve out both minidisks and SFS
data.  I'd like to use VM:Secure as the ESM, but I can live with just
using the CP directory entries.

Could someone who has VMNFS working and accessible from Linux send me:

1.  A copy of their VMNFS CONFIG file

2.  A copy of the relevant parts of the DCTPARMS file for VMNFS

3.  The syntax of the mount command you use from linux.  What do you
do about hard-coding the passwords in the mount command?

4.  Anything else you think I'm missing?



So one elephant says to another, "You'll never believe what happened
last night. I was trying on Groucho Marx's pajamas--and he shot me!" 
Gordon Wolfe, Ph.D. (425)865-5940
VM Technical Services, The Boeing Company

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Re: CAN-2004-0887

2004-10-22 Thread Ferguson, Neale
Check the code drop of 2004-10-21. I think it may be related to this. 

Neale

-Original Message-
Can't find any info on this but it is mentioned here:
http://www.ussg.iu.edu/hypermail/linux/kernel/0410.2/2264.html

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CAN-2004-0887

2004-10-22 Thread Greg Smith
Can't find any info on this but it is mentioned here:
http://www.ussg.iu.edu/hypermail/linux/kernel/0410.2/2264.html
Greg
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RACF LDAP Authentication using PAM - options and pitfalls?

2004-10-22 Thread James Melin
As I understand things, you can use PAM authentication in a couple of ways.

You can have the RACF LDAP directory server authenticate a user ID and
password, but keep the user information local to the Linux (Name, home dir,
default shell, GID, UID etc) or if you have a sufficiently robust backing
database (TDBM vs SDBM) you can have the LDAP server supply everything that
the user ID would normally pick up from the security information on the
individual linux, obviating the need for user account information
/etc/passwd.

I understand also, that the UID/GID numerics typically used in z/OS (RACF)
might not work with Linux out of the box, and that you would have to make
some adjustments to linux in order to have everything be handled by RACF
via LDAP.


Is it true then, that if you let all user information be supplied by LDAP
that anyone with a valid unix segment defined to the RACF user ID would
then be able to logon to Linux?

Is it better to just have RACF LDAP handle the authentication of the
password and keep the authorized users in the local /etc/passwd file, thus
preventing just anyone from doing this?

What are people's experiences in implementing PAM authentication? Pitfalls?
Pros/Cons?

This and an antivirus solution are the next items on my list.


Thanks all,

and have a good weekend.


-J

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Re: Setting up VMNFS

2004-10-22 Thread Davis, Larry
CA has an info APAR that describes the process on enabling VMNFS through
VM Secure I will try to find it.

Larry Davis 

-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of
Wolfe, Gordon W
Sent: Friday, October 22, 2004 13:24 PM
To: [EMAIL PROTECTED]
Subject: Setting up VMNFS

This is cross-posted to both the VM-ESA list and the Linux-390 list.
Sorry for the duplications.

I have a number of apache webservers on several Linux servers that need
to use various pieces of data that is also in use by a number of VM
webservers using VM:Webgateway.  This data is updated every few months.
Rather than go around and update all the various locations, it would be
most convenient if I could update it in one location on VM and just have
all the other systems be able to use it.  It seems that NFS would be the
best solution.  I looked at cmsfs, but I also need the occasional
read-write capability.

So I'm trying to set up VMNFS for the first time.  It's considerably
different than NFS on Linux.  I'm having all kinds of problems with
"permission denied".  I'll want to serve out both minidisks and SFS
data.  I'd like to use VM:Secure as the ESM, but I can live with just
using the CP directory entries.

Could someone who has VMNFS working and accessible from Linux send me:

1.  A copy of their VMNFS CONFIG file

2.  A copy of the relevant parts of the DCTPARMS file for VMNFS

3.  The syntax of the mount command you use from linux.  What do you
do about hard-coding the passwords in the mount command?

4.  Anything else you think I'm missing?



So one elephant says to another, "You'll never believe what happened
last night. I was trying on Groucho Marx's pajamas--and he shot me!" 
Gordon Wolfe, Ph.D. (425)865-5940
VM Technical Services, The Boeing Company

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Re: Setting up VMNFS

2004-10-22 Thread Peter Webb, Toronto Transit Commission
For VMNFS CONFIG, we appear to be using an ancient default version.

Here is our DTCPARMS:
.* Network File System (NFS) daemon
:nick.nfs :type.class
  :name.Network File System daemon
  :command.VMNFS
  :runtime.C
  :diskwarn.YES
  :anonymous.YES
  :ESM_Enable.YES
  :ESM_Validate.VALIDATE
  :ESM_Racroute.RPIDUMY INIT

Note that this uses VM:Secure for password validation.

Here is the mount command: (beware line wrap!)
/bin/mount -t nfs
server:/../VMBFS:filepool:filespace/,RW,userid=user,password=password /mnt

I do not have a good answer for hard coding the password. I'm just living
with it for the moment.

-Original Message-
From: Wolfe, Gordon W [mailto:[EMAIL PROTECTED]
Sent: October 22, 2004 13:24
To: [EMAIL PROTECTED]
Subject: Setting up VMNFS

This is cross-posted to both the VM-ESA list and the Linux-390 list.  Sorry
for the duplications.

I have a number of apache webservers on several Linux servers that need to
use various pieces of data that is also in use by a number of VM webservers
using VM:Webgateway.  This data is updated every few months.  Rather than go
around and update all the various locations, it would be most convenient if
I could update it in one location on VM and just have all the other systems
be able to use it.  It seems that NFS would be the best solution.  I looked
at cmsfs, but I also need the occasional read-write capability.

So I'm trying to set up VMNFS for the first time.  It's considerably
different than NFS on Linux.  I'm having all kinds of problems with
"permission denied".  I'll want to serve out both minidisks and SFS data.
I'd like to use VM:Secure as the ESM, but I can live with just using the CP
directory entries.

Could someone who has VMNFS working and accessible from Linux send me:

1.  A copy of their VMNFS CONFIG file

2.  A copy of the relevant parts of the DCTPARMS file for VMNFS

3.  The syntax of the mount command you use from linux.  What do you do
about hard-coding the passwords in the mount command?

4.  Anything else you think I'm missing?



So one elephant says to another, "You'll never believe what happened last
night. I was trying on Groucho Marx's pajamas--and he shot me!"
Gordon Wolfe, Ph.D. (425)865-5940
VM Technical Services, The Boeing Company

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Shared filesystems with SuSE SLES 8

2004-10-22 Thread Robert Gresky
I am trying to implement shared filesystems, so that multiple guests can
share one /bin and /sbin for example. I am using the redbook
SG24-6824-00 (Large Scale Linux Deployment) as a guide, but with mixed
success.

 

Does anyone have any experience and suggestions that they can share with
me on setting this up?

 

Thanks,

 

Robert Gresky 

 


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Setting up VMNFS

2004-10-22 Thread Wolfe, Gordon W
This is cross-posted to both the VM-ESA list and the Linux-390 list.  Sorry for the 
duplications.

I have a number of apache webservers on several Linux servers that need to use various 
pieces of data that is also in use by a number of VM webservers using VM:Webgateway.  
This data is updated every few months.  Rather than go around and update all the 
various locations, it would be most convenient if I could update it in one location on 
VM and just have all the other systems be able to use it.  It seems that NFS would be 
the best solution.  I looked at cmsfs, but I also need the occasional read-write 
capability.

So I'm trying to set up VMNFS for the first time.  It's considerably different than 
NFS on Linux.  I'm having all kinds of problems with "permission denied".  I'll want 
to serve out both minidisks and SFS data.  I'd like to use VM:Secure as the ESM, but I 
can live with just using the CP directory entries.

Could someone who has VMNFS working and accessible from Linux send me:

1.  A copy of their VMNFS CONFIG file

2.  A copy of the relevant parts of the DCTPARMS file for VMNFS

3.  The syntax of the mount command you use from linux.  What do you do about 
hard-coding the passwords in the mount command?

4.  Anything else you think I'm missing?



So one elephant says to another, "You'll never believe what happened last night. I was 
trying on Groucho Marx's pajamas--and he shot me!" 
Gordon Wolfe, Ph.D. (425)865-5940
VM Technical Services, The Boeing Company

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Re: 1000Base T widget

2004-10-22 Thread Alan Altmark
On Friday, 10/22/2004 at 10:23 AST, David Boyes <[EMAIL PROTECTED]>
wrote:
> Curious question, then: given all the hoopla IBM's been spouting about
how
> much better QDIO is, etc etc, why does this new device speak LCS?
Restoring
> SNA support, or ???

Because it is a 10/100/1000 card, providing an alternative to the old
10/100 FENET card.

Alan Altmark
Sr. Software Engineer
IBM z/VM Development

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Re: 1000Base T widget

2004-10-22 Thread David Boyes
> IIRC, the OP said "OSA Express 1000Base-T" and the shown IOCP included CSS
> specifications.  That's a z890/z990.

OK, ok. Got it. Adminstering coffee now.

Curious question, then: given all the hoopla IBM's been spouting about how
much better QDIO is, etc etc, why does this new device speak LCS? Restoring
SNA support, or ???

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Re: SLES9 installation problem - again

2004-10-22 Thread Alan Altmark
On Friday, 10/22/2004 at 10:05 AST, David Boyes <[EMAIL PROTECTED]>
wrote:
> > David, the 1000base-T feature can operate in QDIO or non-QDIO mode.
The
> > Gigabit Ethernet feature operates only in QDIO mode.
>
> OK, you're the boss. Previous messages indicated we were talking about
> the old OSA Express cards (which have the above restriction) not a
890/990.

IIRC, the OP said "OSA Express 1000Base-T" and the shown IOCP included CSS
specifications.  That's a z890/z990.

Alan Altmark
Sr. Software Engineer
IBM z/VM Development

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Re: SLES9 installation problem - again

2004-10-22 Thread David Boyes
On Fri, Oct 22, 2004 at 09:48:52AM -0400, Alan Altmark wrote:
>
> David, the 1000base-T feature can operate in QDIO or non-QDIO mode.  The
> Gigabit Ethernet feature operates only in QDIO mode.

OK, you're the boss. Previous messages indicated we were talking about
the old OSA Express cards (which have the above restriction) not a 890/990.

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Re: SLES9 installation problem - again

2004-10-22 Thread Alan Altmark
On Friday, 10/22/2004 at 09:42 AST, David Boyes <[EMAIL PROTECTED]>
wrote:
> 1000baseT *is* gigabit Ethernet -- look it up. If you mean *100*baseT,
> then you might be right, but if it can be configured as LCS, then it
> is NOT a 1000baseT card.
>
> Again, if it is a 1000baseT card, then it MUST be QDIO. If you want to
> use LCS, then you cannot use that card.

David, the 1000base-T feature can operate in QDIO or non-QDIO mode.  The
Gigabit Ethernet feature operates only in QDIO mode.

Alan Altmark
Sr. Software Engineer
IBM z/VM Development

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Re: SLES9 installation problem - again

2004-10-22 Thread David Boyes
On Fri, Oct 22, 2004 at 09:47:25AM +0200, ??   ?? wrote:
> It's not a gigE. It's a 1000base-T. It can be configured as non-qdio.
> Any other thaughts?
> Gadi

1000baseT *is* gigabit Ethernet -- look it up. If you mean *100*baseT,
then you might be right, but if it can be configured as LCS, then it
is NOT a 1000baseT card.

Again, if it is a 1000baseT card, then it MUST be QDIO. If you want to
use LCS, then you cannot use that card.

-- db

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Re: SLES9 installation problem - again

2004-10-22 Thread Alan Altmark
On Friday, 10/22/2004 at 08:17 EST, Don Sievert <[EMAIL PROTECTED]>
wrote:
> Ethernet is IEEE standard 802.3, regardless of copper or fiber media.

Everyone is missing the point:  In addition to the fibre Gigabit Ethernet
we all know and love, the z890 and z990 have a copper 1000Base-T feature.
While "1000Base-T Ethernet" and "Gigabit Ethernet" might appear on the
surface to be the same, they are not.  This is consistent with the
industry terminology.

Alan Altmark
Sr. Software Engineer
IBM z/VM Development

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Re: SLES9 installation problem - again

2004-10-22 Thread Don Sievert
Ethernet is IEEE standard 802.3, regardless of copper or fiber media.

-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] Behalf Of Ronald Van Der Laan
Sent: Friday, October 22, 2004 6:24 AM
To: [EMAIL PROTECTED]
Subject: Re: SLES9 installation problem - again


Linux on 390 Port <[EMAIL PROTECTED]> wrote on 22-10-2004 13:12:33:

> Linux on 390 Port <[EMAIL PROTECTED]> írta 2004.10.22 09:47:25
> idopontban:
>
> > It's not a gigE. It's a 1000base-T. It can be configured as non-qdio.
>
> 1000 Base-T is not Gigabit Ethernet???
>
> 10 Base-T = Ethernet (eth)
> 100 Base-T = Fast Ethernet (FEth)
> 1000 Base-T = Gigabit Ethernet (GEth),..,gigE,...
>

1000Base-T uses electrons through copper to connect to 10Base-T, 100Base-T
or 1000Base-T
GbE uses photons through fiber to connect to a 1Gbs LAN.

Ronald van der Laan
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Re: SLES9 installation problem - again

2004-10-22 Thread Ronald Van Der Laan
Linux on 390 Port <[EMAIL PROTECTED]> wrote on 22-10-2004 13:12:33:

> Linux on 390 Port <[EMAIL PROTECTED]> írta 2004.10.22 09:47:25
> időpontban:
>
> > It's not a gigE. It's a 1000base-T. It can be configured as non-qdio.
>
> 1000 Base-T is not Gigabit Ethernet???
>
> 10 Base-T = Ethernet (eth)
> 100 Base-T = Fast Ethernet (FEth)
> 1000 Base-T = Gigabit Ethernet (GEth),..,gigE,...
>

1000Base-T uses electrons through copper to connect to 10Base-T, 100Base-T
or 1000Base-T
GbE uses photons through fiber to connect to a 1Gbs LAN.

Ronald van der Laan
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Re: SLES9 installation problem - again

2004-10-22 Thread Istvan Nemeth
Linux on 390 Port <[EMAIL PROTECTED]> írta 2004.10.22 09:47:25 
időpontban:

> It's not a gigE. It's a 1000base-T. It can be configured as non-qdio. 

1000 Base-T is not Gigabit Ethernet??? 

10 Base-T = Ethernet (eth)
100 Base-T = Fast Ethernet (FEth)
1000 Base-T = Gigabit Ethernet (GEth),..,gigE,...
 
???

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2004-10-21 Recommended Linux for zSeries code drop to developerWorks

2004-10-22 Thread Gerhard Hiller
Please see the "What's new" page at:
http://www10.software.ibm.com/developerworks/opensource/linux390/whatsnew.shtml

Change summary:

> "April 2004 stream":

  - kernel 2.6.5: Recommended kernel patch with bug fixes






Happy downloading!

* end of message





Mit freundlichem Gruß / Kind regards,
Gerhard Hiller

eServer Software Management, D4357
IBM Development Lab, Boeblingen/Germany
Phone ext. +49-(0)7031 - 16 - 4388
Internet: [EMAIL PROTECTED]
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Re: SLES9 installation problem - again

2004-10-22 Thread ××× ×× ×××
It's not a gigE. It's a 1000base-T. It can be configured as non-qdio. 
 
Any other thaughts?
 
Gadi

-Original Message- 
From: David Boyes [mailto:[EMAIL PROTECTED] 
Sent: × 21/10/2004 22:03 
To: [EMAIL PROTECTED] 
Cc: 
Subject: RE: SLES9 installation problem - again



> When I chose option 3 I was asked for 3 devices. The devices
> I gave (1200-1202) were not acceptable.
> I don't want to use QDIO at this time. Non-qdio should be
> supported according to evrything I've read.

Not on the gigE cards. You don't have a choice -- if it's really a gigE
card, then you must define it as a QDIO device and use QDIO. That's been
the situation since the gigE cards were released.

If you were using this card with the LCS driver on SLES8, it's not a
gigE card.



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