Re: Hercules 3.05 announcement

[Rick Troth]

Seems to be fine after building on a slightly newer system.
(Still have broad coverage so that the new Herc can "drop in"
to most other systems around here.)  Sorry for the false alert.

Great work, as usual, Brother Maynard.

-- R;

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Re: Hercules 3.05 announcement

[Rick Troth]

Thanks much, Jay! (and company)

It took a lllooonnnggg time to build.
(Though I build ALL packages on one of the older boxes
so that said package will then run on all boxes in the house.)

I get a seg fault when IPLing.
When using 'strace' it appears to be after several futex() calls,
the last one being ...

futex(0x4045f4b8, FUTEX_WAIT, 2, NULL)
= -1 EINTR (Interrupted system call)

Am rebuilding in case it was just a fluke of the build system.

-- R;

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Re: Destination Z

[Harold Grovesteen]

Wow, you really had to hunt for that on the sight. Greatly appreciate it.

Harold Grovesteen

Mark Post wrote:


On Wed, Jun 27, 2007 at  5:18 AM, in message <[EMAIL PROTECTED]>,



Harold Grovesteen <[EMAIL PROTECTED]> wrote:



Where is this on the site??




Start with the URL given, [EMAIL PROTECTED]
Then go to "Mainframe Central:
http://www-03.ibm.com/systems/z/destinationz/mainframe_central.html
Then "Operating Systems"
http://www-03.ibm.com/systems/z/os/
Then "Linux on System z"
http://www-03.ibm.com/systems/z/os/linux/

On the right is a graphic of a race car and "Need a boost?"
http://www.ibm.com/systems/z/feature102406/index.html?ca=102406&met=inba&me=W&P_Site=linz

Or, just go straight to
http://www.ibm.com/systems/z/feature102406/index.html


Mark Post

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Performance software plug

[Craig Otway]

 I have to plug this software and company (Velocity Software). We are new to
z/Linux and z/VM and if you are not using Velocity Software as a performance
tool on your z/Linux and z/VM project, you are missing out! Barton was
onsite for 1/2 of a day and pointed out numerous items that have already
been overlooked.

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Re: How to add Layer2 network device to linux guest machine

[Brad Hinson]

On Wed, 2007-06-27 at 18:04 -0400, Alan Altmark wrote:
> On Wednesday, 06/27/2007 at 12:09 EST, "Bhemidhi, Ashwin" <[EMAIL PROTECTED]>
> wrote:
> > I am still struck with the same problem. Does anyone know what this
> > error message in /var/log/messages mean, it seems to have happened when
> > I did  "echo 0.0.0700,0.0.0701,0.0.0702 >
> > /sys/bus/ccwgroup/drivers/qeth/group" but I am not sure if it
> > correspondence to with the command.
> >
> > Jun 27 11:55:46 svml09 kernel: qeth: received an IDX TERMINATE with
> > cause code 0x4e
> > Jun 27 11:55:46 svml09 kernel: qeth: Initialization in hardsetup failed!
> > rc=-5
>
> 0x4e indicates that you have a mismatch between your Linux configuration
> and your z/VM configuration.  I suspect that don't have layer2=1 in the
> Linux configuration, as the output from your QUERY VSWITCH command shows
> 700-702 on VSWITCHE, which is defined as a layer 2 (ETHERNET) vswitch.
>
> In case anyone is confused, a real OSA can tolerate layer 2 and layer 3
> connections to the same OSA (though as was said, layer 2 and layer 3
> connections can't talk to each other).  A virtual NIC, on the other hand,
> requires that the connection type match the vswitch type, IP (layer2=0) or
> ETHERNET (layer2=1).
>
> Alan Altmark
> z/VM Development
> IBM Endicott
>

Something just occurred to me..  Layer 2 support was added to RHEL 4 U3
and later (kernel 2.6.9-34).  Also, ibm.com states:

* Layer 2 support requires IBM zSeries 990 or 890, or IBM System z9.
When running a Linux guest under VM, you need z/VM 5.1 with Layer 2
support in PTF for APAR VM63538 or later z/VM.


Are you using at least these versions of RHEL + z/VM?

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--
Brad Hinson <[EMAIL PROTECTED]>
Technical Account Manager
Red Hat, Inc.
(888) 733-4281 x44198

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Re: How to add Layer2 network device to linux guest machine

[Alan Altmark]

On Wednesday, 06/27/2007 at 12:09 EST, "Bhemidhi, Ashwin" <[EMAIL PROTECTED]>
wrote:
> I am still struck with the same problem. Does anyone know what this
> error message in /var/log/messages mean, it seems to have happened when
> I did  "echo 0.0.0700,0.0.0701,0.0.0702 >
> /sys/bus/ccwgroup/drivers/qeth/group" but I am not sure if it
> correspondence to with the command.
>
> Jun 27 11:55:46 svml09 kernel: qeth: received an IDX TERMINATE with
> cause code 0x4e
> Jun 27 11:55:46 svml09 kernel: qeth: Initialization in hardsetup failed!
> rc=-5

0x4e indicates that you have a mismatch between your Linux configuration
and your z/VM configuration.  I suspect that don't have layer2=1 in the
Linux configuration, as the output from your QUERY VSWITCH command shows
700-702 on VSWITCHE, which is defined as a layer 2 (ETHERNET) vswitch.

In case anyone is confused, a real OSA can tolerate layer 2 and layer 3
connections to the same OSA (though as was said, layer 2 and layer 3
connections can't talk to each other).  A virtual NIC, on the other hand,
requires that the connection type match the vswitch type, IP (layer2=0) or
ETHERNET (layer2=1).

Alan Altmark
z/VM Development
IBM Endicott

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Re: swapgen error

[Rob van der Heij]

On 6/27/07, Tom Duerbusch <[EMAIL PROTECTED]> wrote:


There is no command that comes with VM, that will tell you how much real 
storage your vdisks are using.
There is no command that comes with VM, that will tell you how many pages in 
the page dataset are being used by your vdisks.


But your performance monitor does and even more. It also tells you
how much paging occurs on those VDISKs (something you need to know for
your sizing because you want to avoid serious paging of VDISK). And it
tells you how much I/O occurs to them so you can set up alerts for
when the unused disk gets used (and you need to review your sizing).
You really need performance data to configure such an environment. Or
you get  plenty of hardware and configure by fear. That is rarely a
cost effective option for customers.

--
Rob van der Heij
Velocity Software, Inc
http://velocitysoftware.com/

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Re: swapgen error

[Tom Duerbusch]

Make sure you know what are the effects of vdisk:

Just defining a vdisk, no real effect.
Using a vdisk
   When you are actively using it, it will take main memory.  Perhaps causing 
paging.  Perhaps a lot of paging.
   When you are not using it, after it was used, the used pages may end up on 
the page dataset.  Do you have sufficient space?

There is no command that comes with VM, that will tell you how much real 
storage your vdisks are using.
There is no command that comes with VM, that will tell you how many pages in 
the page dataset are being used by your vdisks.

If you are the only person defining vdisks, you need to manage yourself.
But if others start using vdisks, or you start replicating Linux images with 
vdisks, months from now, you may find your page dataset full, or you are in a 
high paging situation, with no apparent cause (which may be some Linux process 
that is doing a lot of swapping, such as applying a Linux Service Pack).

Just some caveats.

Tom Duerbusch
THD Consulting

>>> CWells Jackson <[EMAIL PROTECTED]> 6/27/2007 3:29 PM >>>
ok Steve userlimit was set to 0, I set it to infinite
and it worked..thanks. 
--- [EMAIL PROTECTED] wrote:

> What do you get when you type
>  Q  VDSK
>  Q  VDSK  S
>  Q  VDSK U
> 
> Steve
> 
> 
> 
> 
> 
> CWells Jackson <[EMAIL PROTECTED]>
> Sent by: Linux on 390 Port 
> 06/27/2007 04:00 PM
> Please respond to Linux on 390 Port
> 
> 
> To: LINUX-390@VM.MARIST.EDU 
> cc:
> Subject:swapgen error
> 
> 
> Can anyone lead me in the right direction I am
> getting
> this on the initial base install of Sles9x:
> 
> q v stor
> 
> 00: STORAGE = 256M
> 
> Ready; T=0.01/0.01 15:43:21
> 
> def stor 1g
> 
> 00: STORAGE = 1G
> 
> 00: Storage cleared - system reset.
> 
> 00: I CMS
> 
> z/VM V5.1.02005-12-15 10:29
> 
> 
> 
> DMSACP723I A (191) R/O
> 
> DMSACP723I C (592) R/O
> 
> Error 91 from CP DEFINE VFB-512 AS 101 BLK 524288:
> 
> HCPLNM091E DASD 0101 not defined; vdisk space not
> available
> Do you want to IPL Linux from DASD 100? y/n
> 
> n
> 
> Ready; T=0.01/0.01 15:45:03
> 
> swapgen 101 524288
> 
> Error 91 from CP DEFINE VFB-512 AS 101 BLK 524288:
> 
> HCPLNM091E DASD 0101 not defined; vdisk space not
> available
> Ready(00091); T=0.01/0.01 15:45:19
> 
> 
> This is a new Website for over the counter drugs
> (OTC), please visit at
> 
> 
> 
> 
> 
>

> Need Mail bonding?
> Go to the Yahoo! Mail Q&A for great tips from Yahoo!
> Answers users.
>
http://answers.yahoo.com/dir/?link=list&sid=396546091 
> 
>
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> 
> 
> 
>
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> 


This is a new Website for over the counter drugs (OTC), please visit at 



   

Yahoo! oneSearch: Finally, mobile search 
that gives answers, not web links. 
http://mobile.yahoo.com/mobileweb/onesearch?refer=1ONXIC 

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Re: swapgen error

[Stephen . Gentry]

Infinite.  Well, that'll take care of it.  8-)
Regards,
Steve





CWells Jackson <[EMAIL PROTECTED]>
Sent by: Linux on 390 Port 
06/27/2007 04:29 PM
Please respond to Linux on 390 Port


To: LINUX-390@VM.MARIST.EDU
cc:
Subject:Re: swapgen error


ok Steve userlimit was set to 0, I set it to infinite
and it worked..thanks.
--- [EMAIL PROTECTED] wrote:

> What do you get when you type
>  Q  VDSK
>  Q  VDSK  S
>  Q  VDSK U
>
> Steve
>
>
>
>
>
> CWells Jackson <[EMAIL PROTECTED]>
> Sent by: Linux on 390 Port 
> 06/27/2007 04:00 PM
> Please respond to Linux on 390 Port
>
>
> To: LINUX-390@VM.MARIST.EDU
> cc:
> Subject:swapgen error
>
>
> Can anyone lead me in the right direction I am
> getting
> this on the initial base install of Sles9x:
>
> q v stor
>
> 00: STORAGE = 256M
>
> Ready; T=0.01/0.01 15:43:21
>
> def stor 1g
>
> 00: STORAGE = 1G
>
> 00: Storage cleared - system reset.
>
> 00: I CMS
>
> z/VM V5.1.02005-12-15 10:29
>
>
>
> DMSACP723I A (191) R/O
>
> DMSACP723I C (592) R/O
>
> Error 91 from CP DEFINE VFB-512 AS 101 BLK 524288:
>
> HCPLNM091E DASD 0101 not defined; vdisk space not
> available
> Do you want to IPL Linux from DASD 100? y/n
>
> n
>
> Ready; T=0.01/0.01 15:45:03
>
> swapgen 101 524288
>
> Error 91 from CP DEFINE VFB-512 AS 101 BLK 524288:
>
> HCPLNM091E DASD 0101 not defined; vdisk space not
> available
> Ready(00091); T=0.01/0.01 15:45:19
>
>
> This is a new Website for over the counter drugs
> (OTC), please visit at
> 
>
>
>
>
>

> Need Mail bonding?
> Go to the Yahoo! Mail Q&A for great tips from Yahoo!
> Answers users.
>
http://answers.yahoo.com/dir/?link=list&sid=396546091
>
>
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> instructions,
> send email to [EMAIL PROTECTED] with the
> message: INFO LINUX-390 or
> visit
> http://www.marist.edu/htbin/wlvindex?LINUX-390
>
>
>
>
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>


This is a new Website for over the counter drugs (OTC), please visit at





Yahoo! oneSearch: Finally, mobile search
that gives answers, not web links.
http://mobile.yahoo.com/mobileweb/onesearch?refer=1ONXIC

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Re: swapgen error

[CWells Jackson]

ok Steve userlimit was set to 0, I set it to infinite
and it worked..thanks. 
--- [EMAIL PROTECTED] wrote:

> What do you get when you type
>  Q  VDSK
>  Q  VDSK  S
>  Q  VDSK U
> 
> Steve
> 
> 
> 
> 
> 
> CWells Jackson <[EMAIL PROTECTED]>
> Sent by: Linux on 390 Port 
> 06/27/2007 04:00 PM
> Please respond to Linux on 390 Port
> 
> 
> To: LINUX-390@VM.MARIST.EDU
> cc:
> Subject:swapgen error
> 
> 
> Can anyone lead me in the right direction I am
> getting
> this on the initial base install of Sles9x:
> 
> q v stor
> 
> 00: STORAGE = 256M
> 
> Ready; T=0.01/0.01 15:43:21
> 
> def stor 1g
> 
> 00: STORAGE = 1G
> 
> 00: Storage cleared - system reset.
> 
> 00: I CMS
> 
> z/VM V5.1.02005-12-15 10:29
> 
> 
> 
> DMSACP723I A (191) R/O
> 
> DMSACP723I C (592) R/O
> 
> Error 91 from CP DEFINE VFB-512 AS 101 BLK 524288:
> 
> HCPLNM091E DASD 0101 not defined; vdisk space not
> available
> Do you want to IPL Linux from DASD 100? y/n
> 
> n
> 
> Ready; T=0.01/0.01 15:45:03
> 
> swapgen 101 524288
> 
> Error 91 from CP DEFINE VFB-512 AS 101 BLK 524288:
> 
> HCPLNM091E DASD 0101 not defined; vdisk space not
> available
> Ready(00091); T=0.01/0.01 15:45:19
> 
> 
> This is a new Website for over the counter drugs
> (OTC), please visit at
> 
> 
> 
> 
> 
>

> Need Mail bonding?
> Go to the Yahoo! Mail Q&A for great tips from Yahoo!
> Answers users.
>
http://answers.yahoo.com/dir/?link=list&sid=396546091
> 
>
--
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> instructions,
> send email to [EMAIL PROTECTED] with the
> message: INFO LINUX-390 or
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> 
> 
> 
>
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> 


This is a new Website for over the counter drugs (OTC), please visit at 



   

Yahoo! oneSearch: Finally, mobile search 
that gives answers, not web links. 
http://mobile.yahoo.com/mobileweb/onesearch?refer=1ONXIC

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Re: swapgen error

[Tom Duerbusch]

You need to do a "set vdisk syslim 1g" (or some other vdisk limit).
The default is not to allow vdisks to be defined.

see HELP CPSET MENU and look for VDISK.

Tom Duerbusch
THD Consulting

>>> CWells Jackson <[EMAIL PROTECTED]> 6/27/2007 3:00 PM >>>
Can anyone lead me in the right direction I am getting
this on the initial base install of Sles9x:

q v stor  

00: STORAGE = 256M

Ready; T=0.01/0.01 15:43:21   

def stor 1g   

00: STORAGE = 1G  

00: Storage cleared - system reset.   

00: I CMS 

z/VM V5.1.02005-12-15 10:29   

  

DMSACP723I A (191) R/O

DMSACP723I C (592) R/O

Error 91 from CP DEFINE VFB-512 AS 101 BLK 524288:

HCPLNM091E DASD 0101 not defined; vdisk space not
available
Do you want to IPL Linux from DASD 100? y/n   

n 

Ready; T=0.01/0.01 15:45:03   

swapgen 101 524288

Error 91 from CP DEFINE VFB-512 AS 101 BLK 524288:

HCPLNM091E DASD 0101 not defined; vdisk space not
available
Ready(00091); T=0.01/0.01 15:45:19
 

This is a new Website for over the counter drugs (OTC), please visit at 




 

Need Mail bonding?
Go to the Yahoo! Mail Q&A for great tips from Yahoo! Answers users.
http://answers.yahoo.com/dir/?link=list&sid=396546091 

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Re: BaseVol/GuestVol server for SLES9

[Mark Post]

>>> On Wed, Jun 27, 2007 at  4:06 PM, in message
<[EMAIL PROTECTED]>,
"Fargusson.Alan" <[EMAIL PROTECTED]> wrote: 
> So does the Filesystem Hierarchy Standard carry an weight?  It says that 
> /media is the place for automatically mounted devices like floppy and cdrom.

Clearly it does, or distributions wouldn't be honoring it.  Which doesn't mean 
it wasn't a stupid idea and shouldn't be in there in the first place.


Mark Post

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Re: swapgen error

[Stephen . Gentry]

What do you get when you type
 Q  VDSK
 Q  VDSK  S
 Q  VDSK U

Steve





CWells Jackson <[EMAIL PROTECTED]>
Sent by: Linux on 390 Port 
06/27/2007 04:00 PM
Please respond to Linux on 390 Port


To: LINUX-390@VM.MARIST.EDU
cc:
Subject:swapgen error


Can anyone lead me in the right direction I am getting
this on the initial base install of Sles9x:

q v stor

00: STORAGE = 256M

Ready; T=0.01/0.01 15:43:21

def stor 1g

00: STORAGE = 1G

00: Storage cleared - system reset.

00: I CMS

z/VM V5.1.02005-12-15 10:29



DMSACP723I A (191) R/O

DMSACP723I C (592) R/O

Error 91 from CP DEFINE VFB-512 AS 101 BLK 524288:

HCPLNM091E DASD 0101 not defined; vdisk space not
available
Do you want to IPL Linux from DASD 100? y/n

n

Ready; T=0.01/0.01 15:45:03

swapgen 101 524288

Error 91 from CP DEFINE VFB-512 AS 101 BLK 524288:

HCPLNM091E DASD 0101 not defined; vdisk space not
available
Ready(00091); T=0.01/0.01 15:45:19


This is a new Website for over the counter drugs (OTC), please visit at






Need Mail bonding?
Go to the Yahoo! Mail Q&A for great tips from Yahoo! Answers users.
http://answers.yahoo.com/dir/?link=list&sid=396546091

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Re: BaseVol/GuestVol server for SLES9

[Fargusson.Alan]

So does the Filesystem Hierarchy Standard carry an weight?  It says that /media 
is the place for automatically mounted devices like floppy and cdrom.

http://www.pathname.com/fhs/

-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] Behalf Of
Mark Post
Sent: Wednesday, June 27, 2007 12:53 PM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: BaseVol/GuestVol server for SLES9


>>> On Wed, Jun 27, 2007 at  3:33 PM, in message
<[EMAIL PROTECTED]>, "McKown,
John" <[EMAIL PROTECTED]> wrote: 
-snip-
> Hum, I guess. Except that /mnt has been around vaguely forever and
> perhaps the architect was concerned with name collisions of some sort.
> /mnt/media might be a bit better than just /mnt. But, then again,
> suppose /mnt has something mounted onto it? 

Some distributions already have things such as
/mnt/floppy
/mnt/cdrom

I wish more of them did.

If you're sticking things into USB ports, that means you're probably 
responsible for anything else mounted on the system.  If you can't keep from 
tripping over yourself by mounting something on just plain /mnt, then you 
probably have even bigger problems waiting for you.  ;)


Mark Post

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swapgen error

[CWells Jackson]

Can anyone lead me in the right direction I am getting
this on the initial base install of Sles9x:

q v stor  

00: STORAGE = 256M

Ready; T=0.01/0.01 15:43:21   

def stor 1g   

00: STORAGE = 1G  

00: Storage cleared - system reset.   

00: I CMS 

z/VM V5.1.02005-12-15 10:29   

  

DMSACP723I A (191) R/O

DMSACP723I C (592) R/O

Error 91 from CP DEFINE VFB-512 AS 101 BLK 524288:

HCPLNM091E DASD 0101 not defined; vdisk space not
available
Do you want to IPL Linux from DASD 100? y/n   

n 

Ready; T=0.01/0.01 15:45:03   

swapgen 101 524288

Error 91 from CP DEFINE VFB-512 AS 101 BLK 524288:

HCPLNM091E DASD 0101 not defined; vdisk space not
available
Ready(00091); T=0.01/0.01 15:45:19
 

This is a new Website for over the counter drugs (OTC), please visit at 




 

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Go to the Yahoo! Mail Q&A for great tips from Yahoo! Answers users.
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Re: BaseVol/GuestVol server for SLES9

[Mark Post]

>>> On Wed, Jun 27, 2007 at  3:33 PM, in message
<[EMAIL PROTECTED]>, "McKown,
John" <[EMAIL PROTECTED]> wrote: 
-snip-
> Hum, I guess. Except that /mnt has been around vaguely forever and
> perhaps the architect was concerned with name collisions of some sort.
> /mnt/media might be a bit better than just /mnt. But, then again,
> suppose /mnt has something mounted onto it? 

Some distributions already have things such as
/mnt/floppy
/mnt/cdrom

I wish more of them did.

If you're sticking things into USB ports, that means you're probably 
responsible for anything else mounted on the system.  If you can't keep from 
tripping over yourself by mounting something on just plain /mnt, then you 
probably have even bigger problems waiting for you.  ;)


Mark Post

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Re: BaseVol/GuestVol server for SLES9

[Fargusson.Alan]

Using the /mnt directory to automatically mount stuff conflicts with the work 
that I do.  Specifically I sometimes need to mount stuff to do maintenance.  
Even having /mnt/media might cause problems.  I might mount something there 
without thinking.  I think /media is a good idea.

-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] Behalf Of
McKown, John
Sent: Wednesday, June 27, 2007 12:34 PM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: BaseVol/GuestVol server for SLES9


> -Original Message-
> From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On 
> Behalf Of Mark Post
> Sent: Wednesday, June 27, 2007 2:06 PM
> To: LINUX-390@VM.MARIST.EDU
> Subject: Re: BaseVol/GuestVol server for SLES9
> 
> 
> >>> On Wed, Jun 27, 2007 at  2:59 PM, in message
> <[EMAIL PROTECTED]
> om>, "McKown,
> John" <[EMAIL PROTECTED]> wrote: 
> -snip-
> > Why do you say that /media is worthless? Perhaps it is on 
> System z, but
> > it is very nice on Intel where it automounts my USB stick 
> when I plug it
> > in.
> 
> Any reason why it couldn't do that under /mnt, instead of 
> inventing an entirely new place to mount things?
> 
> 
> Mark Post

Hum, I guess. Except that /mnt has been around vaguely forever and
perhaps the architect was concerned with name collisions of some sort.
/mnt/media might be a bit better than just /mnt. But, then again,
suppose /mnt has something mounted onto it? I use /mnt fairly often for
"temporary" mounts. I would be upset if I had mounted, say, a CDROM on
/mnt and then inserted a USB stick and had problems. Also /mnt/media has
a possible problem if a CDROM is mounted at /mnt, how is the /mnt/media
subdirectory dynamically created on a read-only medium? And if a
read-write medium is mounted at /mnt, do I want the system to
dynamically create /mnt/media on it? (OK, /mnt/media was my thought and
it was a poor one at that).

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Re: BaseVol/GuestVol server for SLES9

[McKown, John]

> -Original Message-
> From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On 
> Behalf Of Mark Post
> Sent: Wednesday, June 27, 2007 2:06 PM
> To: LINUX-390@VM.MARIST.EDU
> Subject: Re: BaseVol/GuestVol server for SLES9
> 
> 
> >>> On Wed, Jun 27, 2007 at  2:59 PM, in message
> <[EMAIL PROTECTED]
> om>, "McKown,
> John" <[EMAIL PROTECTED]> wrote: 
> -snip-
> > Why do you say that /media is worthless? Perhaps it is on 
> System z, but
> > it is very nice on Intel where it automounts my USB stick 
> when I plug it
> > in.
> 
> Any reason why it couldn't do that under /mnt, instead of 
> inventing an entirely new place to mount things?
> 
> 
> Mark Post

Hum, I guess. Except that /mnt has been around vaguely forever and
perhaps the architect was concerned with name collisions of some sort.
/mnt/media might be a bit better than just /mnt. But, then again,
suppose /mnt has something mounted onto it? I use /mnt fairly often for
"temporary" mounts. I would be upset if I had mounted, say, a CDROM on
/mnt and then inserted a USB stick and had problems. Also /mnt/media has
a possible problem if a CDROM is mounted at /mnt, how is the /mnt/media
subdirectory dynamically created on a read-only medium? And if a
read-write medium is mounted at /mnt, do I want the system to
dynamically create /mnt/media on it? (OK, /mnt/media was my thought and
it was a poor one at that).

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HealthMarkets
Keeping the Promise of Affordable Coverage
Administrative Services Group
Information Technology

The information contained in this e-mail message may be privileged
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Re: BaseVol/GuestVol server for SLES9

[Mark Post]

>>> On Wed, Jun 27, 2007 at  2:59 PM, in message
<[EMAIL PROTECTED]>, "McKown,
John" <[EMAIL PROTECTED]> wrote: 
-snip-
> Why do you say that /media is worthless? Perhaps it is on System z, but
> it is very nice on Intel where it automounts my USB stick when I plug it
> in.

Any reason why it couldn't do that under /mnt, instead of inventing an entirely 
new place to mount things?


Mark Post

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Re: BaseVol/GuestVol server for SLES9

[McKown, John]

> -Original Message-
> From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On 
> Behalf Of Mark Post
> Sent: Friday, June 22, 2007 3:46 PM
> To: LINUX-390@VM.MARIST.EDU
> Subject: Re: BaseVol/GuestVol server for SLES9



> I don't think you can blame SUSE for that.  I'm pretty sure 
> it's a requirement of LSB.  (But, while we're at it, let's 
> condemn /media too.  That's equally worthless.)
> 



> 
> 
> Mark Post
> 

Why do you say that /media is worthless? Perhaps it is on System z, but
it is very nice on Intel where it automounts my USB stick when I plug it
in.

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Senior Systems Programmer
HealthMarkets
Keeping the Promise of Affordable Coverage
Administrative Services Group
Information Technology

The information contained in this e-mail message may be privileged
and/or confidential.  It is for intended addressee(s) only.  If you are
not the intended recipient, you are hereby notified that any disclosure,
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strictly prohibited and could, in certain circumstances, be a criminal
offense.  If you have received this e-mail in error, please notify the
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Re: BaseVol/GuestVol server for SLES9

[Kim Goldenberg]

Mark Post wrote:

 >>> On Fri, Jun 22, 2007 at  4:30 PM, in message
<[EMAIL PROTECTED]>,
"Stricklin, Raymond J" <[EMAIL PROTECTED]> wrote:



Probably. Generally accepted practice in the Unix world
separates /, /usr, /var, /opt, /home, and /srv (if used) into
distinct filesystems.


I'm going to have to respectfully disagree.

Making separate filesystems without understanding the _reasons_ for
making things separate filesystems is not a long-term recipe for
success.



As we've seen over and over again on this mailing list, not splitting them out 
at all is almost a guarantee of short-term problems.  If that weren't the case 
http://linuxvm.org/Info/HOWTOs/movefs.html would not have needed writing.

-snip-


I'd say that today, in general, if you don't know why you're splitting
it out, don't split it out.



And here I disagree with you, since that means that almost everyone who's new 
to the game is almost guaranteed to have problems.  Sometimes, following the 
advice of more experienced people, and gaining understanding of their 
recommendations later (if they don't come concurrently with the advice) 
produces far fewer headaches.



Data, on the other hand, should almost always be separate. Especially if
it's data which is not controlled by the system administrators. (i.e.,
/srv -- a SuSE convention which I personally find loathesome)



I don't think you can blame SUSE for that.  I'm pretty sure it's a requirement 
of LSB.  (But, while we're at it, let's condemn /media too.  That's equally 
worthless.)



Also FSB spec.

Kim

--
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Systems Programmer I
State of NJ - OIT
609-777-3722
[EMAIL PROTECTED]
[EMAIL PROTECTED]

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Re: BaseVol/GuestVol server for SLES9

[Kim Goldenberg]

Stricklin, Raymond J wrote:




Probably. Generally accepted practice in the Unix world
separates /, /usr, /var, /opt, /home, and /srv (if used) into
distinct filesystems.



I'm going to have to respectfully disagree.

Making separate filesystems without understanding the _reasons_ for
making things separate filesystems is not a long-term recipe for
success.

Most of the reasons are technical and related to the comparatively
limited hardware capacity of UNIX systems in the '70s and '80s.
Filesystems were split up so that they could fit on the disks which were
available at the time, and to simplify backups in an era of ~60 MB tapes
and tools no more sophisticated than 'dump'.

Now disks are huge and backup tools are sophisticated enough that
filesystem dumps seem hopelessly archaic. These are good things, in the
big picture.

The big drivers for splitting up filesystems these days are to keep
users from filling up the wrong disks, and to keep things running
smoothly for your operators. There's no reason to make directories which
are relatively static and are not subject to being filled by users into
separate filesystems. If you're running a server which won't have any
users logging into it, making /home a separate filesystem is pointless.
It adds to the complexity of maintaining the system without adding a
commensurate benefit. If /opt isn't going to have much in it or change
very often, there's not a lot of reason to split it into its own
filesystem.

If, as frequently happens here, nobody knows what the server will look
like six months down the road, or what software will be on it, making
/opt a separate logical volume---which can be grown as required---is a
very good idea.

If your site, like ours, isn't ruthlessly efficient at managing logfile
sizes, and your operators are basically punished by getting paged
whenever root hits 80% at three in the morning, and you can turn the
problem into something that can be dealt with in the morning by making
/var a separate filesystem, do it.

I'd say that today, in general, if you don't know why you're splitting
it out, don't split it out.

Data, on the other hand, should almost always be separate. Especially if
it's data which is not controlled by the system administrators. (i.e.,
/srv -- a SuSE convention which I personally find loathesome)


Its part of the Filesystem Hierarchy Standard (FHS)


/srv Data for services provided by the system

You have a complaint, take it up with them

FHS is part of the Linux Standard Base (LSB)


Kim

--
Kim Goldenberg
Systems Programmer I
State of NJ - OIT
609-777-3722
[EMAIL PROTECTED]
[EMAIL PROTECTED]

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Re: How to add Layer2 network device to linux guest machine

[Bhemidhi, Ashwin]

2. The z/VM userid was not GRANTed access to couple to the VSWITCH.

We did grant the guest manhyine permission to access the NIC (see q LAN
details output)

1. The portname on the virtual NIC doesn't match what was specified for
the VSWITCH.

How do we specify the port name on the virtual NIC(NICDEF statment?).
Below 
is the NICDEF statement that we used to define the layer 2 definition.
Like you have pointed the port name in the output of "q lan details"
does show OSA3600 on VMSWITCH definition and "UNASSIGNED" on the NIC(see
below for the details). 


---
|NICDEF statement 
---
NICDEF 0700 TYPE QDIO LAN SYSTEM VSWITCHE

---
|Q lAN DETAILS output
---
q lan details

13:31:29 VSWITCH SYSTEM VSWITCHE Type: VSWITCH Connected: 1
Maxconn:INFINITE
13:31:29   PERSISTENT  RESTRICTEDETHERNET
Accounting: OFF
13:31:29   VLAN Unaware
13:31:29   State: Ready
13:31:29   QueueStorage: 8
13:31:29   Portname: OSA3600RDEV: 3600 Controller: VSWCTRL1 VDEV:
3600
13:31:29 Adapter Owner: SVML09   NIC: 0700  Name: UNASSIGNED
13:31:29   RX Packets: 0  Discarded: 0  Errors: 0
13:31:29   TX Packets: 0  Discarded: 0  Errors: 0
13:31:29   RX Bytes: 0TX Bytes: 0
13:31:29   Device: 0702  Unit: 002   Role: DATA
13:31:29 VSWITCH SYSTEM VSWITCH1 Type: VSWITCH Connected: 1Maxconn:
INFINITE

13:31:29   PERSISTENT  RESTRICTEDNONROUTER
Accounting: OFF
13:31:29   VLAN Unaware
13:31:29   State: Ready
13:31:29   IPTimeout: 5 QueueStorage: 8
13:31:29   Portname: UNASSIGNED RDEV: 3903 Controller: VSWCTRL1 VDEV:
3903
13:31:29 Adapter Owner: SVML09   NIC: 0600  Name: UNASSIGNED
13:31:29   RX Packets: 17718  Discarded: 0  Errors: 0
13:31:29   TX Packets: 7674   Discarded: 0  Errors: 0
13:31:29   RX Bytes: 880667   TX Bytes: 557357
13:31:29   Device: 0602  Unit: 002   Role: DATA
13:31:29   Options: Broadcast Multicast IPv4 VLAN
13:31:29 Unicast IP Addresses:
13:31:29   157.170.179.123  MAC: 02-00-00-00-00-01
13:31:29 Multicast IP Addresses:
13:31:29   224.0.0.1MAC: 01-00-5E-00-00-01
Ready; T=0.01/0.01 13:31:29


I've also seen that when the layers don't match (i.e.
/sys/bus/.../layer2=0 but VSWITCH is in layer2 mode).  Did you echo 1 >
layer2 and echo OSA3600 > portname before echo 1 > online ?


I could not find /sys/bus/.../0/0/0700/layer2=0 file at all after adding
"echo 0.0.0700,0.0.0701,0.0.0702 >
/sys/bus/ccwgroup/drivers/qeth/group". When I did a echo 1 >
/sys/bus/.../layer2 it error'ed giving no such file/directory. 


Thank you,
Ashwin 
-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of
Mark Post
Sent: Wednesday, June 27, 2007 12:30 PM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: How to add Layer2 network device to linux guest machine

>>> On Wed, Jun 27, 2007 at  1:09 PM, in message
<[EMAIL PROTECTED]>, "Bhemidhi,
Ashwin" <[EMAIL PROTECTED]> wrote: 
> I am still struck with the same problem. Does anyone know what this
> error message in /var/log/messages mean, it seems to have happened
when
> I did  "echo 0.0.0700,0.0.0701,0.0.0702 >
> /sys/bus/ccwgroup/drivers/qeth/group" but I am not sure if it
> correspondence to with the command.
> 
> Jun 27 11:55:46 svml09 kernel: qeth: received an IDX TERMINATE with
> cause code 0x4e
> Jun 27 11:55:46 svml09 kernel: qeth: Initialization in hardsetup
failed!
> rc=-5

http://www.google.com/search?hl=en&q=%22IDX+terminate%22+with+cause+code
+0x4e
The two causes appear to be:
1. The portname on the virtual NIC doesn't match what was specified for
the VSWITCH.
2. The z/VM userid was not GRANTed access to couple to the VSWITCH.


Mark Post

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Re: How to add Layer2 network device to linux guest machine

[Brad Hinson]

On Wed, 2007-06-27 at 11:29 -0600, Mark Post wrote:
> >>> On Wed, Jun 27, 2007 at  1:09 PM, in message
> <[EMAIL PROTECTED]>, "Bhemidhi,
> Ashwin" <[EMAIL PROTECTED]> wrote:
> > I am still struck with the same problem. Does anyone know what this
> > error message in /var/log/messages mean, it seems to have happened when
> > I did  "echo 0.0.0700,0.0.0701,0.0.0702 >
> > /sys/bus/ccwgroup/drivers/qeth/group" but I am not sure if it
> > correspondence to with the command.
> >
> > Jun 27 11:55:46 svml09 kernel: qeth: received an IDX TERMINATE with
> > cause code 0x4e
> > Jun 27 11:55:46 svml09 kernel: qeth: Initialization in hardsetup failed!
> > rc=-5
>
> http://www.google.com/search?hl=en&q=%22IDX+terminate%22+with+cause+code+0x4e
> The two causes appear to be:
> 1. The portname on the virtual NIC doesn't match what was specified for the 
> VSWITCH.
> 2. The z/VM userid was not GRANTed access to couple to the VSWITCH.
>
>
> Mark Post
>

I've also seen that when the layers don't match
(i.e. /sys/bus/.../layer2=0 but VSWITCH is in layer2 mode).  Did you
echo 1 > layer2 and echo OSA3600 > portname before echo 1 > online ?

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Re: How to add Layer2 network device to linux guest machine

[Mark Post]

>>> On Wed, Jun 27, 2007 at  1:09 PM, in message
<[EMAIL PROTECTED]>, "Bhemidhi,
Ashwin" <[EMAIL PROTECTED]> wrote: 
> I am still struck with the same problem. Does anyone know what this
> error message in /var/log/messages mean, it seems to have happened when
> I did  "echo 0.0.0700,0.0.0701,0.0.0702 >
> /sys/bus/ccwgroup/drivers/qeth/group" but I am not sure if it
> correspondence to with the command.
> 
> Jun 27 11:55:46 svml09 kernel: qeth: received an IDX TERMINATE with
> cause code 0x4e
> Jun 27 11:55:46 svml09 kernel: qeth: Initialization in hardsetup failed!
> rc=-5

http://www.google.com/search?hl=en&q=%22IDX+terminate%22+with+cause+code+0x4e
The two causes appear to be:
1. The portname on the virtual NIC doesn't match what was specified for the 
VSWITCH.
2. The z/VM userid was not GRANTed access to couple to the VSWITCH.


Mark Post

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Re: How to add Layer2 network device to linux guest machine

[Bhemidhi, Ashwin]

I am still struck with the same problem. Does anyone know what this
error message in /var/log/messages mean, it seems to have happened when
I did  "echo 0.0.0700,0.0.0701,0.0.0702 >
/sys/bus/ccwgroup/drivers/qeth/group" but I am not sure if it
correspondence to with the command.

Jun 27 11:55:46 svml09 kernel: qeth: received an IDX TERMINATE with
cause code 0x4e
Jun 27 11:55:46 svml09 kernel: qeth: Initialization in hardsetup failed!
rc=-5


Thanks,
Ashwin 
-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of
Alan Altmark
Sent: Sunday, June 24, 2007 11:03 AM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: How to add Layer2 network device to linux guest machine

On Friday, 06/22/2007 at 01:41 AST, Neale Ferguson
<[EMAIL PROTECTED]>
wrote:
> The DEFINE LAN command is the one with the TYPE ETHERNET operand.
>
> On Fri, 2007-06-22 at 11:36 -0600, Mark Post wrote:
> > Looks like Alan may have been having a Chuckie moment.  I don't see
any
> documentation that shows a TYPE ETHERNET option on NICDEF or DEFINE
NIC
either.

Sorry.  For Layer 2 OSA, make sure you use DEFINE NIC TYPE QDIO with
DEFINE VSWITCH ETHERNET or DEFINE LAN TYPE ETHERNET.

Alan Altmark
z/VM Development
IBM Endicott

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Re: what's Linux page size

[Rob van der Heij]

On 6/27/07, Romanowski, John (OFT) <[EMAIL PROTECTED]> wrote:


In the context of swap page-in and page-out rates how large is a Linux
page? 4K? 512 bytes?


Rick and Martin were probably a bit too brief...

While swapping is done in full pages, the rate as reported in most
places (e.g. the si and so columns in vmstat) is in KB's (but since it
is an average rate, it's not always multiple of 4).

Rob
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Re: what's Linux page size

[Martin Schwidefsky]

On Wed, 2007-06-27 at 11:13 -0400, Richard Troth wrote:
> 4K on all platforms

There are several platforms where the pagesize is not 4K, e.g.
alpha(8K), powerpc(4K or 64K), ia64(4K, 8K, 16K or 64K), ...

--
blue skies,
  Martin.

"Reality continues to ruin my life." - Calvin.

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Re: Destination Z

[Mark Post]

>>> On Wed, Jun 27, 2007 at  5:18 AM, in message <[EMAIL PROTECTED]>,
Harold Grovesteen <[EMAIL PROTECTED]> wrote: 
> Where is this on the site??

Start with the URL given, [EMAIL PROTECTED]
Then go to "Mainframe Central:
http://www-03.ibm.com/systems/z/destinationz/mainframe_central.html
Then "Operating Systems"
http://www-03.ibm.com/systems/z/os/
Then "Linux on System z"
http://www-03.ibm.com/systems/z/os/linux/

On the right is a graphic of a race car and "Need a boost?"
http://www.ibm.com/systems/z/feature102406/index.html?ca=102406&met=inba&me=W&P_Site=linz

Or, just go straight to 
http://www.ibm.com/systems/z/feature102406/index.html


Mark Post

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Re: what's Linux page size

[Richard Troth]

4K on all platforms



-- R;


- Original Message -
From: "Romanowski, John (OFT)" [EMAIL PROTECTED]
Sent: 06/27/2007 10:35 AM
To: LINUX-390@VM.MARIST.EDU
Subject: what's Linux  page size

In the context of swap page-in and page-out rates how large is a Linux
page? 4K? 512 bytes?



John Romanowski
z/VM - zLinux Support
NYS Office for Technology
(518)485-9555

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what's Linux page size

[Romanowski, John (OFT)]

In the context of swap page-in and page-out rates how large is a Linux
page? 4K? 512 bytes?  



John Romanowski
z/VM - zLinux Support
NYS Office for Technology
(518)485-9555

This e-mail, including any attachments, may be confidential, privileged or 
otherwise legally protected. It is intended only for the addressee. If you 
received this e-mail in error or from someone who was not authorized to send it 
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Re: Destination Z

[Harold Grovesteen]

Where is this on the site??

Mark Post wrote:


On Mon, Jun 25, 2007 at  1:17 PM, in message



<[EMAIL PROTECTED]>, Dave Jones <[EMAIL PROTECTED]>
wrote:



This looks 'interesting'

http://www-03.ibm.com/systems/z/destinationz/index.html




The part that looks the most interesting so far is this:
The IBM System z9 Linux environment running Oracle solutions could bring 
together many recent enhancements to the mainframe Linux environment designed 
to deliver significant improvements to price/performance and the legendary 
availability, security and manageability features of the System z9 mainframe. 
These enhancements support versions of critical Oracle applications and data 
serving environment, including:

   * Oracle's PeopleSoft Enterprise
   * Oracle's Siebel CRM
   * Oracle E-Business Suite


Oracle applications have been the subject of many customer wishes.


Mark Post

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