Re: J2EE and JBoss

2004-09-28 Thread Harold Grovesteen
J2EE, J2SE and J2ME are all collections of specifications.  You have to
look at the specifications to determine what they are.  In effect, J2SE
is the Java Virtual Machine and Java language which is the foundation
for the other specifications.  J2ME modifies the library routines of
J2SE (same Java language) for the embedded space.  J2EE is the
specification of servers that are Java based.  These may be web servers
like Tomcat or application servers like JBoss.  J2SE is roughly
analogous to MVS.  J2EE is roughly analogous to CICS running on MVS.
Because J2EE is Java based, all you need to run a J2EE app server (in
addition to the app server itself) is the underlying JVM and libraries
supplied by a J2SE compliant implementation.  The downloads mentioned
should be sufficient to run JBoss.
Harold Grovesteen
Jim Elliott wrote:
I guess that's where I am confused. Are J2EE and the
IBMJava2-SDK the same thing -or- is J2EE part of the
IBMJava2-SDK -or- is J2EE another package dependent on the
IBMJava2-SDK? If a separate entity, I don't see it on the
download site.

J2EE is one of three defined Java specs (J2SE for Standard
Edition, J2EE for Enterprise Edition and J2ME for Java 2 Micro
Edition). The IBM downloads are all for the J2SE SDK. I have
never needed anything more so I don't know how you get the full
J2EE. See http://www-106.ibm.com/developerworks/java/newto/ for
more info.
Jim
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Re: 3270 console in Slack390 9.1

2004-09-28 Thread Richard Pinion
Now how did you know I was using Hercules.  In Hercules one starts a TN3270 session 
using the IP address of the PC that is running Hercules and specifies port 3270.

I'm doing this but I'm not getting anything.  It sounds like Hercules is not a 
supported platform so maybe I'll stumble onto the answer.

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SLES9 and 3270

2004-09-28 Thread Gary A. Ernst
Has anyone gotten 3270 devices to work on SLES9 ? I can't get beyond the
config3270.sh It doesn't create the script in /tmp that it did on SLES 8
Gary Ernst
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Re: VM Shutdown

2004-09-28 Thread Seader, Cameron
Do you add this to the file /boot/zipl/parmfile and the run the zipl command and 
reboot.
-Cameron Seader

-Original Message-
From: Malcolm Beattie [mailto:[EMAIL PROTECTED]
Sent: Wednesday, September 15, 2004 15:12
To: [EMAIL PROTECTED]
Subject: Re: VM Shutdown


Post, Mark K writes:
 Depending on what version of z/VM and Linux you're running, updating
 /etc/inittab to have something like this:
 # What to do at the Three Finger Salute.
 ca::ctrlaltdel:/sbin/shutdown -t5 -r now

Change that -r (meaning reboot) into -h (meaning halt)
so that the SIGNAL SHUTDOWN magic described elsewhere in this
thread behaves as expected. For cleanliness, it's also good to
include vmpoff=LOGOFF into the kernel parmline so that when the
guest finishes shutting down and does a halt -p (a power-off
halt), the kernel will do a CP LOGOFF. This logs the guest off;
CP then knows that the guest has finished its signal shutdown
processing cleanly and will log a nice message to say so.

[The vmpoff assumes that your distribution uses a halt -p in its
shutdown scripts, as SLES does. If your distribution ends up doing
a halt without the -p then the relevant parmline addition would
be vmhalt=LOGOFF. I usually add both...belt and braces.]

--Malcolm

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IBM EMEA Enterprise Server Group...
...from home, speaking only for myself

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FCP SCSI Lun Allocation

2004-09-28 Thread Seader, Cameron
We are moving to FCP and SCSI disks soon for our Linux Guests and i am wondering if 
anyone has encountered this before? and what kind of lun sizing did you go with? what 
kind of lun sizing scheme did you come up with? What did you use for you paging file? 
vdisk? Please post any helpful info to point me in the right direction. If you have 
any experiences please share. 
Thanks,
Cameron Seader

This transmission may contain information that is privileged, confidential and/or 
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Re: 3270 console in Slack390 9.1

2004-09-28 Thread Post, Mark K
Well, it's not like there are _any_ supported platforms for Slack/390,
unless you're willing to spend some money.  I'm putting this out largely so
that people don't have to spend money.  LPAR mode and z/VM I know from
personal experience, and can usually answer questions about them.

Since this is really a Hercules questions, I would suggest posting it to the
Hercules mailing list.  Those guys have been dealing with Linux/390 in that
environment for quite a while now.  It's entirely possible this has been
dealt with many times before.  If they do have the answer, I'd appreciate a
pointer to it (if it's in their archives) being posted here, or an
explanation if it is not in their archives.


Mark Post

-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of
Richard Pinion
Sent: Tuesday, September 28, 2004 8:37 AM
To: [EMAIL PROTECTED]
Subject: Re: 3270 console in Slack390 9.1


Now how did you know I was using Hercules.  In Hercules one starts a TN3270
session using the IP address of the PC that is running Hercules and
specifies port 3270.

I'm doing this but I'm not getting anything.  It sounds like Hercules is not
a supported platform so maybe I'll stumble onto the answer.

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Re: SLES9 and 3270

2004-09-28 Thread Gary A. Ernst
H
Tried that. Didn't work out real well. Never got the prompt back so did
a ctl-c. Did a cat on .../online and it had a 1. It seemed liked I
would need a getty process
for it but I didn't know what to put in inittab for the getty or do I
need an fstab entry similar to /dev/pts ? At any rate I tried to just
dial it and the kernel oops'd and the virtual mach entered a disabled wait.
Gary Ernst
Christian Borntraeger wrote:
Has anyone gotten 3270 devices to work on SLES9 ? I can't get beyond the
config3270.sh It doesn't create the script in /tmp that it did on SLES 8
Gary Ernst

If you just want to use your VM console in 3270 mode, it should suffice to
add
conmode=3270 to your parameter line in /etc/zipl.conf, rezipl and reipl.
If you want to add additional GRAFs you have to activate them in sysfs.
e.g. echo 1  /sys/bus/ccw/drivers/3270/devno/online
before you can use them.


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Re: FCP SCSI Lun Allocation

2004-09-28 Thread Post, Mark K
Uhh, encountered _what_ before?  You didn't say, exactly.  If you're just
looking for information, try these:

http://linuxvm.org/present/SHARE100/S9333NFa.pdf
http://linuxvm.org/present/SHARE103/S9259vs.pdf


Mark Post

-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of
Seader, Cameron
Sent: Tuesday, September 28, 2004 10:34 AM
To: [EMAIL PROTECTED]
Subject: FCP SCSI Lun Allocation


We are moving to FCP and SCSI disks soon for our Linux Guests and i am
wondering if anyone has encountered this before? and what kind of lun sizing
did you go with? what kind of lun sizing scheme did you come up with? What
did you use for you paging file? vdisk? Please post any helpful info to
point me in the right direction. If you have any experiences please share.
Thanks,
Cameron Seader

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Re: 3270 console in Slack390 9.1

2004-09-28 Thread Vic Cross
On Tue, 28 Sep 2004, Richard Pinion wrote:
Now how did you know I was using Hercules.
Plenty of us do; it probably wasn't a difficult guess... ;)
In Hercules one starts a TN3270 session using the IP address of the PC
that is running Hercules and specifies port 3270.
That's the Hercules equivalent of plugging in a 3270 terminal.  Oh, and
switching it on, of course.
I'm doing this but I'm not getting anything.
Are you running a program against the device that represents your 3270?
If you want to log in via your 3270, check that a getty or equivalent
(mgetty, mingetty) is running for the device.  These are usually started
from inittab, but you could test just by starting it manually from the
command line of another (working) session.  You'll need to know the device
node name (the /dev/ name) of your 3270 and specify that on the getty
command.
Cheers, HTH,
Vic Cross
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Re: 3270 console in Slack390 9.1

2004-09-28 Thread Post, Mark K
Theoretically, that's all supposed to be taken care of by the config3270.sh
script, and the /tmp/mkdev3270 script that it creates.


Mark Post

-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of Vic
Cross
Sent: Tuesday, September 28, 2004 11:04 AM
To: [EMAIL PROTECTED]
Subject: Re: 3270 console in Slack390 9.1


-snip-
If you want to log in via your 3270, check that a getty or equivalent
(mgetty, mingetty) is running for the device.  These are usually started
from inittab, but you could test just by starting it manually from the
command line of another (working) session.  You'll need to know the device
node name (the /dev/ name) of your 3270 and specify that on the getty
command.

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Re: FCP SCSI Lun Allocation

2004-09-28 Thread Seader, Cameron
encountered moving from DASD eckd to FCP SCSI? BTW that is good information that you 
provided here. I am looking more for information on how people are setting up their 
lun sizes for each guest. Are they doing it by a guest per guest basis or do they have 
one guest with a 10 gig lun size and one with a 20 and so on. What is everyone doing?
-Cameron

-Original Message-
From: Post, Mark K [mailto:[EMAIL PROTECTED]
Sent: Tuesday, September 28, 2004 08:54
To: [EMAIL PROTECTED]
Subject: Re: FCP SCSI Lun Allocation


Uhh, encountered _what_ before?  You didn't say, exactly.  If you're just
looking for information, try these:

http://linuxvm.org/present/SHARE100/S9333NFa.pdf
http://linuxvm.org/present/SHARE103/S9259vs.pdf


Mark Post

-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of
Seader, Cameron
Sent: Tuesday, September 28, 2004 10:34 AM
To: [EMAIL PROTECTED]
Subject: FCP SCSI Lun Allocation


We are moving to FCP and SCSI disks soon for our Linux Guests and i am
wondering if anyone has encountered this before? and what kind of lun sizing
did you go with? what kind of lun sizing scheme did you come up with? What
did you use for you paging file? vdisk? Please post any helpful info to
point me in the right direction. If you have any experiences please share.
Thanks,
Cameron Seader

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Re: FCP SCSI Lun Allocation

2004-09-28 Thread Robert J Brenneman
We define the entire Open Systems side of our ESS boxes as 4 Gig luns. It
seemes to be a nice allocation amount which is much more useful than a
mod-3 but not so large as a mod-9

We use either LVM or RAID 0 to stripe them together into larger
filesystems.

If you will be needing huge ( on the order of  1 TB ) filesystems, you may
want to allocate it in 20 Gig luns so that you don't have to string
together so many volumes to get the space you need. It's a balancing act
between flexibility / efficiency and ease of managment / possible
overallocation.

It's rather similar to choosing a block size for a new disk in that
respect.

Jay Brenneman

Linux Test and Integration Center

T/L:   295 - 7745
Extern: 845 - 435 - 7745
[EMAIL PROTECTED]





Seader, Cameron [EMAIL PROTECTED]
Sent by: Linux on 390 Port [EMAIL PROTECTED]
09/28/04 11:56 AM
Please respond to
Linux on 390 Port


To
[EMAIL PROTECTED]
cc

Subject
Re: FCP SCSI Lun Allocation






encountered moving from DASD eckd to FCP SCSI? BTW that is good
information that you provided here. I am looking more for information on
how people are setting up their lun sizes for each guest. Are they doing
it by a guest per guest basis or do they have one guest with a 10 gig lun
size and one with a 20 and so on. What is everyone doing?
-Cameron

-Original Message-
From: Post, Mark K [mailto:[EMAIL PROTECTED]
Sent: Tuesday, September 28, 2004 08:54
To: [EMAIL PROTECTED]
Subject: Re: FCP SCSI Lun Allocation


Uhh, encountered _what_ before?  You didn't say, exactly.  If you're just
looking for information, try these:

http://linuxvm.org/present/SHARE100/S9333NFa.pdf
http://linuxvm.org/present/SHARE103/S9259vs.pdf


Mark Post

-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of
Seader, Cameron
Sent: Tuesday, September 28, 2004 10:34 AM
To: [EMAIL PROTECTED]
Subject: FCP SCSI Lun Allocation


We are moving to FCP and SCSI disks soon for our Linux Guests and i am
wondering if anyone has encountered this before? and what kind of lun
sizing
did you go with? what kind of lun sizing scheme did you come up with? What
did you use for you paging file? vdisk? Please post any helpful info to
point me in the right direction. If you have any experiences please share.
Thanks,
Cameron Seader

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transmission in error, please immediately contact the sender and destroy
the material in its entirety, whether in electronic or hard copy format.
Thank you.   A2

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Re: FCP SCSI Lun Allocation

2004-09-28 Thread Seader, Cameron
Are you partitioning your linux paging file into thse luns as well? What type of 
partitioning are you doing as far as the filesystem goes?
-Cameron

-Original Message-
From: Robert J Brenneman [mailto:[EMAIL PROTECTED]
Sent: Tuesday, September 28, 2004 10:06
To: [EMAIL PROTECTED]
Subject: Re: FCP SCSI Lun Allocation


We define the entire Open Systems side of our ESS boxes as 4 Gig luns. It
seemes to be a nice allocation amount which is much more useful than a
mod-3 but not so large as a mod-9

We use either LVM or RAID 0 to stripe them together into larger
filesystems.

If you will be needing huge ( on the order of  1 TB ) filesystems, you may
want to allocate it in 20 Gig luns so that you don't have to string
together so many volumes to get the space you need. It's a balancing act
between flexibility / efficiency and ease of managment / possible
overallocation.

It's rather similar to choosing a block size for a new disk in that
respect.

Jay Brenneman

Linux Test and Integration Center

T/L:   295 - 7745
Extern: 845 - 435 - 7745
[EMAIL PROTECTED]





Seader, Cameron [EMAIL PROTECTED]
Sent by: Linux on 390 Port [EMAIL PROTECTED]
09/28/04 11:56 AM
Please respond to
Linux on 390 Port


To
[EMAIL PROTECTED]
cc

Subject
Re: FCP SCSI Lun Allocation






encountered moving from DASD eckd to FCP SCSI? BTW that is good
information that you provided here. I am looking more for information on
how people are setting up their lun sizes for each guest. Are they doing
it by a guest per guest basis or do they have one guest with a 10 gig lun
size and one with a 20 and so on. What is everyone doing?
-Cameron

-Original Message-
From: Post, Mark K [mailto:[EMAIL PROTECTED]
Sent: Tuesday, September 28, 2004 08:54
To: [EMAIL PROTECTED]
Subject: Re: FCP SCSI Lun Allocation


Uhh, encountered _what_ before?  You didn't say, exactly.  If you're just
looking for information, try these:

http://linuxvm.org/present/SHARE100/S9333NFa.pdf
http://linuxvm.org/present/SHARE103/S9259vs.pdf


Mark Post

-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of
Seader, Cameron
Sent: Tuesday, September 28, 2004 10:34 AM
To: [EMAIL PROTECTED]
Subject: FCP SCSI Lun Allocation


We are moving to FCP and SCSI disks soon for our Linux Guests and i am
wondering if anyone has encountered this before? and what kind of lun
sizing
did you go with? what kind of lun sizing scheme did you come up with? What
did you use for you paging file? vdisk? Please post any helpful info to
point me in the right direction. If you have any experiences please share.
Thanks,
Cameron Seader

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transmission in error, please immediately contact the sender and destroy
the material in its entirety, whether in electronic or hard copy format.
Thank you.   A2

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Re: VM Shutdown

2004-09-28 Thread Rob van der Heij
On Tue, 28 Sep 2004 08:05:21 -0600, Seader, Cameron
[EMAIL PROTECTED] wrote:
 Do you add this to the file /boot/zipl/parmfile and the run the zipl command and 
 reboot.

The parmfile is generated by zipl, so any changes to the kernel
command line must be in the /etc/zipl.conf and then run zipl before
reboot.

--
Rob van der Heij  rvdheij @ gmail.com

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Re: VM Shutdown

2004-09-28 Thread Post, Mark K
If you use /etc/zipl.conf. I don't.  The multi-boot stuff might convince me
to change that if I ever get a chance to play with it, but for now I don't
use it.


Mark Post

-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of Rob
van der Heij
Sent: Tuesday, September 28, 2004 2:06 PM
To: [EMAIL PROTECTED]
Subject: Re: VM Shutdown


On Tue, 28 Sep 2004 08:05:21 -0600, Seader, Cameron [EMAIL PROTECTED]
wrote:
 Do you add this to the file /boot/zipl/parmfile and the run the zipl
 command and reboot.

The parmfile is generated by zipl, so any changes to the kernel command line
must be in the /etc/zipl.conf and then run zipl before reboot.

--
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Re: FCP SCSI Lun Allocation

2004-09-28 Thread Robert J Brenneman
 Are you partitioning your linux paging file into thse luns as well?
 What type of partitioning are you doing as far as the filesystem goes?
 -Cameron


We use vdisk for linux paging - it will be faster than real disk when
possible, and at least take advantage of VM's wide paging hierarchy when
it needs to.


We usually just allocate one partition on a 4 Gig lun for the entire
filesystem, and then add more luns if things like /opt or /home need to
grow. We usually dont create more than one partition on a lun since we are
using 4 Gig luns. If you went with something like a 20 Gig lun then you'd
probably want to have seperate partitions for /usr, /var, /home or
whatever.


Jay Brenneman

Linux Test and Integration Center

T/L:   295 - 7745
Extern: 845 - 435 - 7745
[EMAIL PROTECTED]

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Re: FCP SCSI Lun Allocation

2004-09-28 Thread Richard Troth
On Tue, 28 Sep 2004, Robert J Brenneman wrote:
   We usually dont create more than one partition on a lun
 since we are using 4 Gig luns. If you went with something like a
 20 Gig lun then you'd probably want to have seperate partitions   ...

Hear here!   Indeed!
Not only  use just one partition
but also  use partition zero.

This seems to get misunderstood.
What I mean is,  where partitioning is not required,  don't do it.
This is completely reliable where the underlying media is fixed-block
(as SAN/SCSI is).   You only save a few kilobytes,  perhaps,  but it's
the principle of the matter.   Don't partition where it's not needed.

Where the device is /dev/sda
and you use the whole thing as /dev/sda1
just skip the partitioning and use /dev/sda itself instead.
I like the term  partition zero  because it is  minor number zero
of that set,  which no one has argued against.   (Though some have
complained about the partition zero terminology.)

-- R;
HCPMCV1459E

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SAMBA install of SLES9

2004-09-28 Thread Gillis, Mark D
I am trying to install SLES9 from directories on a Windows machine that is part of a 
Windows domain. The first part of the install proceeds without problems up until it's 
time to select packages to install in yast. At that point I'm getting the message: 
Cannot read package data from installation media. Media error?
 
The directory structure was created using the install.bat file provided on CD1 and the 
shares were done as per the instructions in the release notes. I would assume that 
this couldn't be a networking issue since the 1st part of the install (including 
loading the root system from the install media on the Windows machine) works.
 
I've reported this to SuSE, but they don't seem to be able to reproduce the problem. 
Has anyone else had this problem and, if so, how did you get around it? 
 
Mark Gillis. 

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