-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On
Behalf Of Post, Mark K
Sent: Wednesday, June 29, 2005 8:42 PM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: Business Week Article
I certainly hope it does. Then we might actually get some management
interest
Run Oracle on the z/890 as a super server,
(We just eliminated z/VM and Linux on the zSeries because nobody
knew what to do with them
John,
Just curious, on what are they planning to run Oracle then?
zOS? You guys mus have gobs of money
Best regards,
Pieter Harder
[EMAIL PROTECTED]
tel
-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On
Behalf Of Pieter Harder
Sent: Thursday, June 30, 2005 8:18 AM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: Business Week Article
Run Oracle on the z/890 as a super server,
(We just eliminated z/VM and Linux
Run Oracle on the z/890 as a super server,
(We just eliminated z/VM and Linux on the zSeries because nobody
knew what to do with them
John,
Just curious, on what are they planning to run Oracle then?
zOS? You guys mus have gobs of money
They say that Oracle is licensed by the
Yeah. Doesn't matter if you're running Oracle on an 8086 or a hybrid
Super-Intel-Alpha-Sparc-PARISC 5000superhertz. To Oracle, a processor is a
processor. Go figure.
-Original Message-
From: Pieter Harder [mailto:[EMAIL PROTECTED]
Sent: Thursday, June 30, 2005 8:45 AM
To:
-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On
Behalf Of Pieter Harder
Sent: Thursday, June 30, 2005 8:45 AM
To: LINUX-390@VM.MARIST.EDU
Subject: Betr.: Re: Business Week Article
snip
That's what Oracle told us as well. But given that you decide
The other issue that needs to be considered is that if the new Oracle
workload on z/OS drives a hardware upgrade (more processors), it will be
significantly more expensive as your z/OS software charges go up.
Whereas if Oracle is implemented on IFLs with Linux, only your Linux
software charges go
-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On
Behalf Of Rich Smrcina
Sent: Thursday, June 30, 2005 8:49 AM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: Betr.: Re: Business Week Article
The other issue that needs to be considered is that if the new Oracle
Hi Listserv,
Can anyone tell me why I am getting these messages, what they mean and how
to get rid of them :
JBD: barrier-based sync failed on dm-5 - disabling barriers
JBD: barrier-based sync failed on dm-2 - disabling barriers
out of order segment: rcv_next 8EE939AE seq 8EE939C7 - 8EE939C8
ofo
Trying to logon to linux guest from VM and receiving the following. I have no
idea how or why this is happening. Can someone direct me? The
/lib/security/pam_limits.so file is in the directory! I can logon to linux
from putty!
-rwxr-xr-x1 root root14092 Nov 23 2004
We have a need to install SLES8 as opposed to SLES9 like we normally do,
so this is my first attempt at a SLES8 install.
When I get to the YAST2 - DASD Module Parameter Settings screen, I
enter dasd=0200-0204,0222 and click on the Load Module button. We're
using 9336 emulated FBA devices which
Known bug with SLES 8. open a ssh session and manually insmod the dasd
modules and device parameters before beginning the installation.
-Original Message-
From: Wiggins, Mark [mailto:[EMAIL PROTECTED]
Sent: Thursday, June 30, 2005 9:55 AM
To: LINUX-390@VM.MARIST.EDU
Subject: Am I missing
John:
The formula we use is 4xCPU (sun 1.2 GHz or aix 1.0 GHz) is the same as one
IFL under z890 running zLinux under LPAR.
If zVM, we take away 10% power for the zVM overhead.
This is a rough estimate and gets refined upon the real circumstances.
Products licensing based on number of CPU's get
Does anyone know of Knowledge Tree will run on the mainframe?
Thanks, Ryan
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Are you getting that much performance out of an IFL? Four times the
performance of a single RISC unix server?
I say that because the Oracle database we moved from an HP server with 2
PA-RISC 8600 (440mhz) cpus consumed a little more than one IFL(100%-120% on
a two IFL LPAR).
This was about in
On Tue, Jun 28, 2005 at 04:48:17PM -0400, David Kreuter wrote:
Is this possible:
10.1.1.x host in Real Switch; Real Switch turnk port via OSA to Vswitch
in LPAR A with linux host 10.1.1.19; same linux host has a hipersocket on
1.2.3.4 with VLAN enabled connecting to a linux host in LPAR B at
What sorts of tests did you run to arrive at this formula? I'm just curious
because it seems like a bit much to compare a single IFL to a 4xCPU AIX or Sun
box.
-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of Uriel
Carrasquilla
Sent: Thursday, June 30,
Well, in all fairness, they moved 60 web sites to zLinux, but also
consolidated 500 applications from 560 x86 servers to a rack of 70 x86
servers running VMware. That entire migration is what is expected to
save $10 million, not just the move to zLinux.
-Original Message-
From: Linux on
Ok, I insmod dasd_mod, dasd_eckd_mod, dasd_diag_mod and dasd_fba_mod.
Then I run modprobe dasd_mod dasd=0200-0204,0222. I get nothing back
and /proc/dasd/devices does not get updated. I end up in the small spot.
Am I missing an appropriate mod or is my modprobe command incomplete?
-Original
my usual pattern is thus
insmod dasd_mod dasd=-
insmod dasd_eckd
etc.
then run the install.
-Original Message-
From: Wiggins, Mark [mailto:[EMAIL PROTECTED]
Sent: Thursday, June 30, 2005 11:32 AM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: Am I missing something in SLES8 install?
Has anyone setup Oracle RBAC backups on z/Linux, making it work with
Tivoli as the backup solution? Or is there a redbook out there that
I've overlooked on the subject?
*Brandon
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I'm not a DBA so I can't speak too much, but we use the RMAN/Tivoli
solution. Is that similar?
-Original Message-
From: Brandon Darbro [mailto:[EMAIL PROTECTED]
Sent: Thursday, June 30, 2005 11:54 AM
To: LINUX-390@VM.MARIST.EDU
Subject: Oracle backups - RBAC Tivoli
Has anyone setup
Yes, sorry. Dunno where rbac snuck into my vocab, I meant RMAN.
Little, Chris wrote:
I'm not a DBA so I can't speak too much, but we use the RMAN/Tivoli
solution. Is that similar?
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Crhis:
I suspect not all workloads are the same. What we are finding out is that
loads are taking place much faster. That was a large pecentage of our
usage before. We don't have any users signed on and we only run the zLinux
image to service requests. It works for us and no one is
In that case. It's flawless for us. Anything in particular you need to
know?
-Original Message-
From: Brandon Darbro [mailto:[EMAIL PROTECTED]
Sent: Thursday, June 30, 2005 12:11 PM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: Oracle backups - RMAN Tivoli
Yes, sorry. Dunno where rbac
No test, just moved the application.
Regards,
[EMAIL PROTECTED]
NCCI
Boca Raton, Florida
561.893.2415
greetings / avec mes meilleures salutations / Cordialmente
mit freundlichen Grüßen / Med vänlig hälsning
Were those Solaris/AIX servers underutilized? By a lot?
Certainly workloads don't compare across platforms. I agree with that, but
for database workloads I was told (informally) to assume a single z/900 IFL
at a Pentium III 700mhz. Within reason, it seems correct. We are probably
getting
700Mhz? That seems pretty low.
Little, Chris wrote:
Were those Solaris/AIX servers underutilized? By a lot?
Certainly workloads don't compare across platforms. I agree with that, but
for database workloads I was told (informally) to assume a single z/900 IFL
at a Pentium III 700mhz. Within
I am facing some of the same issues.
I have hipersockets and OSA with four zLinux LPAR's and four zOS LPAR's in
one box (z890). We connect to a CISCO router that takes us to the rest of
the network including proxy and firewall servers.
We are using VIPA (to a dummy interface) and
Well, that at least created /proc/dasd/devices and an lsmod command
shows that all of the appropriate modules are loaded, yet I still get
the YAST2 - DASD Module Parameter Setting screen to which I have to
abort out of and receive an error suggesting that there are no DASD
devices active. This
On the yast screen, enter dasd=- etc. then click accept. they
should pop up.
-Original Message-
From: Wiggins, Mark [mailto:[EMAIL PROTECTED]
Sent: Thursday, June 30, 2005 12:30 PM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: Am I missing something in SLES8 install?
Well, that at
If you are talking a lot of math, particularly floating point math, then
Intel is going to be king with its higher MHz.
If you are talking lots of I/O with a fancy external storage plus
stripping, then z-Series is going to eat Intel's lunch.
Regards,
[EMAIL PROTECTED]
NCCI
Boca Raton, Florida
My take on it is that, for 390/zSeries architecture, raw computational
performance takes a back seat to RAS; just about any time during architecture
design that there was a conflict between issues of performance and, say,
reliability, reliability would win. To my mind, that is the
Little, Chris wrote:
In that case. It's flawless for us. Anything in particular you need to
know?
Now that I'm searching on the correct term, I've found plenty of reading
matterial. I'm off to go RTFM before I ask for more help. Thanks
though! :)
*Brandon
P.S. Rbac was my brain
I opened up runlevel 4 in /etc/inittab and linked only one service
S10network to have only network and no other daemon.
I can go from runlevel 5 (default) to 4 and all the daemons come down. But
when I go from runlevel 4 to 5, the daemons do not start up.
If I go from 4 to s and then to 5, it
Did you see that they are 9336 FBA devices? I wouldn't think that they
would show up on this screen because they're not ECKD devices, but when
I do enter in the dasd= parameter in yast, they still don't show up.
Clicking on the accept button does nothing so my only alternative at
this point is to
John:
Something else that I forgot to mention on your decision.
If you can isolate Oracle/zOS to a different box and you have a combination
of both batch and on-line, then you need to know that zOS might prove more
inexpensive, even after getting hit with your licensing costs (it will be a
better
Okay, now having done my reading, let me ask this. Does Tivoli have a
MML (Media Management Layer) yet so I can set RMAN up to backup to tape?
The redbook I'm reading said there wasn't one yet at the time of it's
writing.
Source of info used to frame question:
-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On
Behalf Of Uriel Carrasquilla
Sent: Thursday, June 30, 2005 12:35 PM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: Business Week Article
If you are talking a lot of math, particularly floating point
math, then
Wait until we switch CPU's from electricity to light. We will be asking
the same question.
The challenge is to harness the speed and power, something that zOS on
z-Series does very well in a reliable manner.
It is also I/O computational superior to a lot of platforms out there.
But I agree, in
I don't think that it is fair (nor easy) to compare distributed systems
to mainframes in an apples to apples style comparison. One was designed
to scale horizontally, the other vertically. Modern Unix and even
Intel/AMD based systems with fiber attached DASD can be rather
competitive in I/O
Tivoli Data Protector for Oracle is quite available.
-Original Message-
From: Brandon Darbro [mailto:[EMAIL PROTECTED]
Sent: Thursday, June 30, 2005 1:01 PM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: Oracle backups - RMAN Tivoli
Okay, now having done my reading, let me ask this. Does
Amen to that. We are in the process of purchasing an IFL on our z box
here. During the proof-of-concept project for VM and zLinux I had occasion to
remark that different systems had legitimate, appropriate uses.
On top of that, the comparisons are continually becoming harder to
Megahertz is not any more valid a comparison than MIPS or FLOPS. With multi
pipeline and now dual core processors, it becomes virtually meaningless.
AMD has rated their cpus at what they say an equivalent intel chip runs.
Intel is now saying they are moving away from the megahertz scale
entirely.
Does the Intel Rack contain a switch like a blade center has? If so this
is a classic example of Infrastructure Simplification and a lot of the
savings would be in network infrastructure and admin costs.
Joe Temple
Executive Architect
Sr. Certified IT Specialist
[EMAIL PROTECTED]
845-435-6301
The values that Uriel uses is a reasonable starting point when you don't
know either the utilization or details about the application. It is not
precisely the same as we use for sizing at IBM, but there is more to this
than our guess about the z. The basis we use would make the Sun machine
have
**slam**
Chris hitting the knowledge barrier. It hurts when that happens.
-Original Message-
From: Wiggins, Mark [mailto:[EMAIL PROTECTED]
Sent: Thursday, June 30, 2005 1:00 PM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: Am I missing something in SLES8 install?
Did you see that they are
On Thu, 30 Jun 2005, Little, Chris wrote:
We're using zseries for the reliability and hardware consolidation factors.
Before too long (we are testing the waters right now) we'll be moving to the
vmware route also.
or you could patch uml into that kernel...
chris
-Original Message-
This comparison is also in the range of values that have been measured.
However it is near the low end of the range for commercial work. We
usually see this type of comparison when there are long pathlengths of work
per byte processed, query oriented workloads with little locking or writes,
or
Except that VMWare will be supporting W2k3 servers . . . .
On Thu, 30 Jun 2005, Little, Chris wrote:
We're using zseries for the reliability and hardware consolidation factor=
s.
Before too long (we are testing the waters right now) we'll be moving to =
the
vmware route also.
or you could
Anyone else out there have any ideas???
Mark Wiggins
-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of
Little, Chris
Sent: Thursday, June 30, 2005 2:26 PM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: Am I missing something in SLES8 install?
**slam**
Chris
Part of the difference is the comparison of the HP to the Intel Box.
If you take the z900 uniprocessor IFL to be 256 MIPS my first guess for the
HP 440 MHz 2way would have been 290 MIPS, but for the PIII 700 MHz I would
have come up with 83.5 MIPS. I do these comparisons by using extrapolation
On Thu, 30 Jun 2005, Little, Chris wrote:
Except that VMWare will be supporting W2k3 servers . . . .
Ahh, I see the problem. That is a mistake I would not make.
On Thu, 30 Jun 2005, Little, Chris wrote:
We're using zseries for the reliability and hardware consolidation factor=
s.
Please keep us posted and to how hipersockets can be used
without having to
have each application specify the exact IP address of the
hipersocket and
without having to go to a DNS server.
I guess I don't understand the phobia about DNS.
From a maintenance and reliability perspective,
Thanks for the good advise. Perhaps I am not asking the right question.
IBM has announced:
Hipersockets Virtual Lan supported. This enhancement permits traffic
to flow on a VLAN connect both over Hipersockets and between
Hipersockets and an ISA/Express. Doesn't this mean I can from a
host on
Many good points raised by all. Lots of benchmarks fail because
customers are led to comparing non-z workload with plunk and go linux
vrtual machines. Do this only if you want to make z series look bad.
I've seen lots of numbers, and done some benchmarking. Z series
typically does not win in a
OK it's almost Canada Day and July 4 - I do 'em both - I read the
doc. for the 500th time - my problem is that I do not think I can
seamlessly bridge vswitch and hipersockets TOGETHER. I can do one or the
other quite easily - in fact doing Vswitch with OSA will be a snap.
Vic Cross wrote:
It has been awhile but I remember that I had to format it using dasdfmt and
then mkefs before YAST would allow me to create mountpoints for the disk. I
had to do this even though it was formatted it by CMS
Michael S Farmer
Systems Programmer
AAA of Missouri
314-523-7350
Wiggins,
This one is often either overlooked or overblown. zSeries zealots will
talk about how the IO processors do the I/O for z and I/O being done in the
cpus for others. While neither machine really DOES I/O in either the CPU
or SAP (IOP), there is high priority set up code which must be done to
URL?
Mark Post
-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of
Ryan McCain
Sent: Thursday, June 30, 2005 11:17 AM
To: LINUX-390@VM.MARIST.EDU
Subject: Knowledge Tree on the Z
Does anyone know of Knowledge Tree will run on the mainframe?
Thanks, Ryan
That's right! Listen to the smart guy from missouri! Pay no attention to
us oklahoma blokes!
-Original Message-
From: Michael Farmer [mailto:[EMAIL PROTECTED]
Sent: Thursday, June 30, 2005 2:30 PM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: Am I missing something in SLES8 install?
It has
Or, more likely, undervaluing the HP.
-Original Message-
From: Joseph Temple [mailto:[EMAIL PROTECTED]
Sent: Thursday, June 30, 2005 1:54 PM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: Business Week Article
Part of the difference is the comparison of the HP to the Intel Box.
If you take the
With the IFL maxed I usualy see 4%-6%(really high) utilization.
-Original Message-
From: David Kreuter [mailto:[EMAIL PROTECTED]
Sent: Thursday, June 30, 2005 2:18 PM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: Business Week Article
Many good points raised by all. Lots of benchmarks fail
Gordon, you quote below sounds like something they'd say on Seinfeld.
snip
Some people are like Slinkies...
Not really good for anything,
but they still bring a smile to your face
when you push them down a flight of stairs.
/snip
Thanks, but you can't run dasdfmt command against an FBA device. Also,
the insmod dasd_mod dasd=0200-0204 partitions the disks. I could run
fdisk against them to partition them and then mke2fs.
Ok, tried that too and that didn't work either. Again my question falls
back to can you put the base
Have a support contract with Novell? :\
-Original Message-
From: Wiggins, Mark [mailto:[EMAIL PROTECTED]
Sent: Thursday, June 30, 2005 3:07 PM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: Am I missing something in SLES8 install?
Thanks, but you can't run dasdfmt command against an FBA
I will be converting a SLES9 zVM guest lan guest to VLAN in the near future and
I was wondering if there are any specific steps I need to do to change the
definitions. I tried cloning a SLES9 guest lan master to a VLAN host a while
back and for some reason I could not get the VLAN active. The
If memory serves me I don't think you can put the root file system on
fba's. I don't think the kernel supports them
Michael S Farmer
Systems Programmer
AAA of Missouri
314-523-7350
Wiggins, Mark
[EMAIL PROTECTED]
nn.edu
Thanks, Steve.
The closer I get to retiring, the more cynical I become and the less patient I
am with those around me. My co-workers are just glad I don't bite.
Some people are like Slinkies...
Not really good for anything,
but they still bring a smile to your face
when you push them down a
Interesting thread. Everything i've measured says a megahertz is
a megahertz. MIPS are not always MIPS though at least for cross platform
comparison. I put the IFLs in a range of .8Ghz to 1.2Ghz.
There is an approximate MIPS/Mhz comparison - i've seen this published
on an IBM foil as barton's
On Iau, 2005-06-30 at 21:10, Wolfe, Gordon W wrote:
Thanks, Steve.
The closer I get to retiring, the more cynical I become and the less patient
I am with those around me. My co-workers are just glad I don't bite.
Thats ok, you provide me with a glorious source of .sig material. In
fact four
Sorry about that..
http://kt-dms.sourceforge.net/
thanks, ryan
[EMAIL PROTECTED] 06/30/05 2:30 pm
URL?
Mark Post
-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of
Ryan McCain
Sent: Thursday, June 30, 2005 11:17 AM
To:
Anyone else out there have any ideas???
I documented a SLES8 install in chapter 6 of the Domino redbook:
http://www.redbooks.ibm.com/abstracts/sg247021.html?Open
Mike MacIsaac [EMAIL PROTECTED] (845) 433-7061
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For LINUX-390
It's just PHP code -- all the prereqs are available on zLinux, and run
fine. I don't see any reason why it won't run on Z, although the indexer
is going to be a pig for CPU.
http://kt-dms.sourceforge.net/
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For LINUX-390
Yep, that is how it works. We are trying to justify a z/890 with IFL,
just on consolidation of serveral Oracle servers on Wintel to z/Linux
under z/VM.
The number all look good. Quite a bit of cost savings that will pay for
it, but we need money upfront. The cost savings are later.
Well,
I'm trying to set up an LVM. I have 3 10MB disks defined at 8001, 8002, 8003;
they appear in /proc/dasd/devices as:
8001(ECKD) at ( 94: 48) is dasdm : active at blocksize: 4096, 2520 blocks,
9 MB
8002(ECKD) at ( 94: 52) is dasdn : active at blocksize: 4096, 2520 blocks,
9 MB
Phil,
Run fdasd against them to create the partition and use the partition
name in the pvcreate command, eg. pvcreate /dev/dasdm1, and in the
vgcreate command.
Betsie
Phil Smith III wrote:
I'm trying to set up an LVM. I have 3 10MB disks defined at 8001, 8002, 8003;
they appear in
On Thursday, 06/30/2005 at 03:07 AST, David Kreuter
[EMAIL PROTECTED] wrote:
Thanks for the good advise. Perhaps I am not asking the right question.
IBM has announced:
Hipersockets Virtual Lan supported. This enhancement permits traffic
to flow on a VLAN connect both over Hipersockets and
List all the symbolic links in /etc/rc.d/rc5.d/ If there aren't start
scripts for everything you expect to be there, then you'll need to
chkconfig them on for that runlevel.
Mark Post
-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of
Ranga Nathan
Sent:
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