Hi Rob,
sorry for not answering your reply, but i was on vacation for 2 weeks ...
I tried a make mrproper make cloneconfig make image, copied
arch/s390/boot/image to /boot/image-2.6.5-7.97-s390x and zipl. but after
ipling the system there is still the same problem:
cat /proc/iomem
On 7/6/05, Tobias Doerkes [EMAIL PROTECTED] wrote:
sorry for not answering your reply, but i was on vacation for 2 weeks ...
I envy you - I have been flooded in work ... let me try this with my
own 2.6 and get back to you where it sits. I was told that with some
2.6 it is automagic but don't
Bit version of zLinux ? I don't install this linux and need to check it
version - please give me commands or files to edit.
ęłęó--
Best Regards,
Błażej Antczak
Administrator MainFrame
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For LINUX-390 subscribe / signoff /
Use 'uname -m'. If it responds s390, you are using 31/32-bit Linux. If
it responds s390x, you are using 64-bit Linux.
Antczak Błażej wrote:
Bit version of zLinux ? I don't install this linux and need to check it
version - please give me commands or files to edit.
ęłęó--
Best Regards,
Just enter uname -m .
s390 means 31 bit and s390x means 64 bit.
Regards,
Tobias Doerkes
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For LINUX-390 subscribe / signoff / archive access instructions,
send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or
A reminder that the Hillgang z/VM Linux User group is holding its next
meeting on Thursday July 14th at CA's Herndon office. The agenda and
abstracts may be found at http://www.vm.ibm.com/events/hillgang.pdf.
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For LINUX-390
We are currently using 3390 mod 3 emulated DASD for zLinux and zVM. We're about
to add a large amount of disk space, and the hardware people want us to use
3390 mod 27 disks. (Emulated 3390s with a size equal to three 3390 mod 9 disks)
Are / will these be supported by zVM and by zLinux, once
On Jul 6, 2005, at 10:02 AM, Nix, Robert P. wrote:
We are currently using 3390 mod 3 emulated DASD for zLinux and zVM.
We're about to add a large amount of disk space, and the hardware
people want us to use 3390 mod 27 disks. (Emulated 3390s with a
size equal to three 3390 mod 9 disks) Are /
They will work just fine. Performance may be another issue, since
you'll have fewer device numbers against which you can issue I/O
concurrently.
Mark Post
-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of
Nix, Robert P.
Sent: Wednesday, July 06, 2005
I haven't read far enough yet, possibly. Does VM, and by extension the
Linux guests, support PAVs?
[EMAIL PROTECTED]
Sent by:
-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On
Behalf Of Nix, Robert P.
Sent: Wednesday, July 06, 2005 10:02 AM
To: LINUX-390@VM.MARIST.EDU
Subject: (Hopefully) stupid question: 3390 mod 27
We are currently using 3390 mod 3 emulated DASD for zLinux
z/VM currently supports PAV volumes for guest use when those volumes are
dedicated to a guest virtual machine by the CP ATTACH command. Linux LVM
can exploit these PAV volumes.
Regards, Steve.
Steve Wilkins
IBM z/VM Development
Tom Ambros
[EMAIL PROTECTED]
Steve, do you have any documentation with really good examples of how Linux
can exploit PAV volumes in a z/VM environment?
Steve Wilkins
[EMAIL PROTECTED]
com To
Sent by: Linux on
I am not sure if we are talking about the same PAV... But the one I know
you would have
to use static PAV and define a base and several alias devices in iocds and
let the guest
access tem. These would be present in Linux as multiple devices (might
also require to
use extended node names) that will
For SLES8 its in LVM1. For SLES9 you would have to use dm-multipath
(either manually with
dmsetup and own scripts or EVMS). LVM2 itselv does not support multiple
path devices and
multipath-tools don't work with DASDs...
Stefan Bader
SW Linux on zSeries Development Services
[EMAIL PROTECTED]
There was once a five-page Redpaper based on the 2.4 Kernel called How
To Improve Performance With PAV pub number LNUX-HTPA-00. I can't find
it on the Redbooks website any longer, and I don't know what that means.
There are plenty of other backlevel documents available there.
Scott Ledbetter
This is more of a curiosity question, but are there any web hosting companies
that use Linux on
zSeries? I'm looking at opening up an personal account with one of the many
companies that offer
web hosting services and thought it would be nice to go with a company that use
a mainframe.
Thanks.
I think InfoCrossing does (or did -- they were an early adopter).
This is more of a curiosity question, but are there any web
hosting companies that use Linux on
zSeries? I'm looking at opening up an personal account with
one of the many companies that offer
web hosting services and thought
No I think I have the terminology correct. I run multiple virtual VLANs
accessed via redundant zVM VSWITCHs connected to redundant Cisco 3550 trunk
ports using HSRP. Each host within a VLAN has its own VLAN interface associated
via eth0 with the VSWITCH virtual devices and the Cisco 3550
There was one, I don't know if they still do. When I inquired, they
wanted $1,500 a month. Not exactly competitive with $10 per month for
most others, but not far off for some providers if you want a dedicated
system.
Mark Post
-Original Message-
From: Linux on 390 Port
Hi Chaps,
I have a Redhat Rel 3 system s390 .
I do DF -K and it show /dev/dasdb1 is 100% full. How can I see what
directories/files are on that disk so I can clear some space on it.
Crispin Hugo
Systems Programmer, Macro 4
http://www.macro4.com/
Macro 4 plc, The Orangery, Turners Hill Road,
-Original Message-
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On
Behalf Of Crispin Hugo
Sent: Wednesday, July 06, 2005 4:12 PM
To: LINUX-390@VM.MARIST.EDU
Subject: disk full ignorance
Hi Chaps,
I have a Redhat Rel 3 system s390 .
I do DF -K and it show /dev/dasdb1 is
man find
you can search by date, size, name, owner, etc.
-Original Message-
From: Crispin Hugo [mailto:[EMAIL PROTECTED]
Sent: Wednesday, July 06, 2005 4:12 PM
To: LINUX-390@VM.MARIST.EDU
Subject: disk full ignorance
Hi Chaps,
I have a Redhat Rel 3 system s390 .
I do DF -K and it show
Well, we are in the mist of a DOS attack.
This is against one of our VSE systems which is routed thru the VM
stack. Currently TCPIP is getting about 2,500 I/Os per second instead
of the normal, under 100 per second.
Anyway, a chap from United Forensics is here and is going to put a
sniffer on
On Wed, 6 Jul 2005, Tom Duerbusch wrote:
Well, we are in the mist of a DOS attack.
This is against one of our VSE systems which is routed thru the VM
stack. Currently TCPIP is getting about 2,500 I/Os per second instead
of the normal, under 100 per second.
Anyway, a chap from United
I don't think I can ngrep the interface. The DOS isn't hitting any of
the mainframe Linux images. Perhaps this is a justificiation for moving
the mainframe communications from being supported by VM's TCP/IP stack
to being supported by SLES9?
Tom Duerbusch
THD Consulting
[EMAIL PROTECTED]
On Jul 6, 2005, at 4:10 PM, shogunx wrote:
Adaptive iptables would do the trick nicely.
Yeah, what he said. Not necessarily even adaptive: merely limiting
SYN floods with an iptables-based Linux router would probably help a
lot.
Adam
On Jul 6, 2005, at 4:59 PM, Tom Duerbusch wrote:
I don't think I can ngrep the interface. The DOS isn't hitting any of
the mainframe Linux images. Perhaps this is a justificiation for
moving
the mainframe communications from being supported by VM's TCP/IP stack
to being supported by SLES9?
On Wed, 6 Jul 2005, Tom Duerbusch wrote:
I don't think I can ngrep the interface. The DOS isn't hitting any of
the mainframe Linux images. Perhaps this is a justificiation for moving
the mainframe communications from being supported by VM's TCP/IP stack
to being supported by SLES9?
I would
On Wed, 6 Jul 2005, Adam Thornton wrote:
On Jul 6, 2005, at 4:10 PM, shogunx wrote:
Adaptive iptables would do the trick nicely.
Yeah, what he said. Not necessarily even adaptive: merely limiting
SYN floods with an iptables-based Linux router would probably help a
lot.
True. A static
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