Our issue is that z/VM and the zLinux guests have to be up
and the npiv channel logged in before the new NPIV WWPN
can be zoned from the SAN side.
I've heard this before and am not sure it's strictly true.
At least this is my understanding with EMC storage.
The server side (whether z/VM or
If you're able to run 'xclock' then you have an X server on the
workstation end, so that's good.
YaST runs as root, and it's often tricky to convey X authority from
non-root. (This is assuming that you 'su' or 'sudo' which I truly hope
you're doing.)
If you connect as root, then SSH, and you
I recommend that you follow the UUIDs and let LVM do the hard part for you.
Each PV in a VG has a unique unit ID. In practice, they truly are
unique. Think of it like a label, but better. The logical volume
manager finds what meta-data it needs on each PV to know what VG it
belongs to and what
Karl --
If you know the LUNS and (especially) the storage WWPNs then set things up using
/sbin/zfcp_host_configure
and
/sbin/zfcp_disk_configure
If the SAN volumes must be online early then you'll need to re-cut
your initial RAM disk with 'mkinitrd' after defining the
On Tue, Nov 26, 2013 at 3:58 PM, Martha McConaghy u...@vm.marist.edu wrote:
Certs for securing connections have always been a black art to me. So, I
have a feeling that a few of you on this list will probably have some good
ideas for us.
Black art ... fair assessment. But rest easy; just pay
I recommend that you use the same FCP adapters for the new LUN. That
way, your (NPIV or not) WWPNs for the guest are unique to that guest
regardless how many LUNs it gets. If you add another set of FCP
adapters for each LUN, then you'll have to zone and mask each new LUN
to a different set of
and 3000. I tried
to define LUN 1 on them in addition to LUN 0. It just won't take. Is there
some parm I need to set instead of the defaults to make it work?
Martha
On Wed, 20 Nov 2013 11:55:57 -0500 Richard Troth said:
I recommend that you use the same FCP adapters for the new LUN. That
way
You do NOT need a formal graphical logon for to use VNC. By
coincidence, Sir Santa railed against passwords in his blog last week,
and graphical signon typically means yet more passwords. Counter
productive.
Larry is right that you'll need core X windows support, but that
should have been drawn
I haven't seen it that I recall, but a Google search suggests that it
comes from load balancing when you're running tickless.
scale_rt_power: clock:3806a691fbdb1 age:3806a4e60fe00, avg:5d4b8d2f
The scheduler is trying to tell you something (because the
scale_rt_power() function is in the
Good question.
One good answer is: allow it to respect the bits on restricted directories.
Notice that directories require the execute bit. Here's why:
execute on a directory means searchable. With read, you can list
a directory. But you can't access files in it without execute. A
directory
On Tue, Aug 6, 2013 at 8:29 AM, Jim Thomas j...@thethomasresidence.us wrote:
Could anybody tell / direct and or advise me, on what that most
used flavor of **nix is on z ??.
It's going to depend on where you are on the curve and what your
workload is (or will be).
If possible, try two or more
From a life-cycle management perspective, do what David said and go 64-bit.
From a performance perspective, build both and MEASURE the results.
(Of course, you'll be running on a 64-bit kernel in most cases, so
getting a pure sample will be tricky.)
On Wed, Mar 27, 2013 at 10:37 AM, Andrew
Scott --
You probably just need to define the virtual card reader.
It's not surprising that a Linux guest would be profiled without one.
vmcp def rdr 00c
Then retry the rest of your VMUR work.
On Mon, Mar 4, 2013 at 5:29 PM, Shumate, Scott scshum...@bbandt.com wrote:
Hi everyone,
Thanks for asking, Carsten.
I would expect, without samples to cite, that DCSS itself is often
used, XIP less so.
In my own experience, the lack of interest in XIP follows lack of
interest in shared R/O filesystems of any type. (XIP is technically
just as easy to maintain, if less well
On Tue, Jan 29, 2013 at 12:03 PM, karlkings...@ongov.net wrote:
Has anybody done a conversion to get from CKD DASD to FBA DASD?
Yes.
At some point, we're looking to convert our CKD based linux machines to
FBA.
Good!
Can I use the linux DD command to do this?
Yes and no.
You can use 'dd'
Shell is a write-only language. (that's an opinion) What I mean is,
maintaining applications written in shell, even BASH, is *hard*.
However ...
What is the extent and life of this script? If the purpose is to
wrap-up a number of other programs, then use a shell. I agree with
Jon. You're
friends --
Sincere apologies for blank messages and other strangeness and all
this recent noise.
Tom Kennelly, Rich Smrcina, Dennis Andrews (maybe others) pointed out
that some of my posts to this list show up blank. The bad behavior is
seen when I post with Thunderbird+Enigmail and people view
Progress - I'm working with Steffen off-line. There well may be a bug,
but as a workaround I am working with the devices (e.g. mpatha) rather
than the first partition of each device (mpathap1). With that change, the
new LV is available immediately. ...
I recommend not partitioning as a
Hi, Mike, --
I believe I have heard of your work before.
(1) first, does my quest seem appropriate for this list? and if so, my
first question:
Since A: you're porting to Linux and B: zLinux runs on mainframe HW
(and CISC runs on mainframe HW), it would seem appropriate, yes.
(2) TSO CMS
Hope this is the right place to ask this question.
Please pardon the intrusion if I should be posting this someplace else.
You've come to the right list. Welcome to the party!
Our management is considering the acquisition of a new z114
sandbox system primarily for testing new hardware
I suspect you may be confusing sftp with ftps. sftp is in fact
another ssh client, and also can do public/private key authentication
just as ssh and scp.
[sigh] Not the first time.
The good news then is that use of SSH keys is all that much easier for
Eddie's scenario.
ftps is another
Eddie --
You might have an easier time with SCP than SFTP.
SCP uses SSH under the covers, which in turn can use public/private
keys instead of passwords. The pass phrase for the secret key is
processed on the *client* side, so there is no need to convey it in
the transaction. (And there are
There will be several presentations at the VM and Linux Workshop this
week which discuss specific aspects of Linux on mainframes. There
will be some presentations at the workshop which will be general. I
do not believe the presentations will be recorded, but most of the
presenters will make
Recommendation leans toward no, but is not firm.
Back before we had STP, I used to say no, then changed my story to
yes, run it. Lately not so sure.
6 or 7 or more years ago, the point was ... dozens or hundreds of
Linux guests ... do you want them all running NTP? At first, we
said no way!
So ... a lot of the stuff has been done.
I'm not following the proposed layout.
Where is that EXT3 partition mounted? /boot?
What is the backing store for the system volume group? Is it online
in a form YaST will recognize? (A bunch of DASD partitions? Were they
also 'dasdfmt'?)
SSH will
On Wed, May 9, 2012 at 6:11 PM, Mike Walter mike.wal...@aonhewitt.com wrote:
...
11:12:11 scsi: host 0 channel 0 id 0 lun2 has a LUN larger than allowed by
the host adapter
May 7 11:12:11 L98ZAT11 kernel: scsi: host 0 channel 0 id 0 lun2 has a LUN
larger than allowed by the host adapter
I run into this all the time. But I can't tell from your config and
description if it is exactly the same.
What programs did you run (or what services did you start) before exiting?
I don't suspect the TCPKeepALive. (Since you're trying to drop back
to the intermediate host.)
More likely,
I believe 'rxqueue' will let you feed the Regina stack to a Unix program.
But I have never used it.
I recommend what Aria said: put the stuff in a file then feed that to 'mail'.
-- R;
Rick Troth
Velocity Software
http://www.velocitysoftware.com/
On Thu, Apr 19, 2012 at 4:10 PM, Scully, William
Hi, Martha, --
Maybe set the default route on the inside guests?
But also, with OSA, you may need to tickle it into playing nice.
Alan would know more, but am guessing you either need to explicitly
set it to allow forwarding (which PRIROUTER may affect) or run it in
layer 2 mode.
I've used Linux
On Fri, Apr 6, 2012 at 8:16 AM, Shane G ibm-m...@tpg.com.au wrote:
heresy
Why not indeed.
Hipervisors are becoming a commodity item. IBM (and its ISVs) has fought
rear-guard actions on (costly) proprietary options in the past.
And lost.
Anyone remember SNA ?. Token-ring ?.
Maybe IBM were
On Wed, Mar 28, 2012 at 10:50 AM, Florian Bilek florian.bi...@gmail.com wrote:
Is there a tool that would allow to increase the partition size of a DASD
partition?
Assuming CDL, the following sequence should work. (Is untested, but
similar to steps I have run previously.)
from the CMS side
You probably need to re-stamp the initial RAM disk to know about the
new drive. Barring other requirements, that would be ...
mkinitrd
zipl
-- R;
Rick Troth
Velocity Software
http://www.velocitysoftware.com/
On Mon, Mar 19, 2012 at 9:36 AM, Mark Pace pacemainl...@gmail.com
Looks like Scott gave you the summary:
format the disk (not needed for EDEV or SAN)
and partition it (also not needed for EDEV or SAN)
'pvcreate'
'vgextend'
'lvextend' (which should be easy if LV is not striped)
'resize2fs'
The last step can be
Right.
VM didn't finish shutting down.
Would be good to find out what was holding it back.
Meanwhile ...
So you are in a recovery situation.
Since VM was still running when you hit the switch (clicked the load
button), it will do its best to recovery spool files from checkpoint.
But it tells you
Looks like you did not start the X server on the CYGWIN side. If you
had, it would have created the requisite content under /tmp.
-- R;
Rick Troth
Velocity Software
http://www.velocitysoftware.com/
On Thu, Feb 23, 2012 at 9:22 AM, Dazzo, Matt mda...@pch.com wrote:
I installed cygwin on my
Everything John said is spot-on. However, you can launch CYGWIN/X
without the system tray icon. I usually ran it that way: The goal
was X is always there and I liked having one less thingy in the
systray.
Used to do this all the time, Matt. But that was when I had to use
Windows as my primary
Wow ... there is no quick answer for this.
Also, it doesn't matter if LVM is used or discrete disks (or
minidisks). Your question is actually just Unix FS management. LVM
does make enlargement easier.
Commonly, /var holds service content. WebSphere is one of those
packages which unfortunately
Wow ... many replies to what sounds like a simple question.
You should look further ahead. Will this system ever run anything else?
(ie: besides Oracle)
Marcy's point about the security patching is spot on. Keeping up with
actual threats is tough enough, and if your organization is big enough
Your #2 and #7 and #8 are all normal. The rest has me worried.
Something bad is happening with the underlying storage.
My replies peppered throughout:
This is not a z/Linux or z/VM question but Let me ask you guys something
about ext3... I guess that most of you are using it in production...
I suggest two things:
First, draw a line (this would be a somewhat arbitrary number). If
the disk is less than (for example) 256M (roughly 350 cyls of 3390),
then continue to use mmap/memcpy. If larger, then switch to
pread/pwrite. Second, provide a mount option so that the user can
always
-
From: Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of Richard
Troth
Sent: Wednesday, November 16, 2011 1:36 PM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: Porting old application- numeric keypad
You will want to find out if HOD was/is used when they run this against HP-UX
Is that really a 21GB CMS disk?
On Dec 2, 2011 10:27 AM, Rogério Soares rogerio.soa...@gmail.com wrote:
Hello List, someone got this error before?
TIA.
capp101:~ # cmsfs-fuse -t /dev/dasdc /linmon
cmsfs-fuse: mmap failed: Cannot allocate memory
/dev/dasdc is a minidisk
(Butting in for David just to be annoying!)
I bet he means FUSE is taxing the shared environment by requiring such
a large chunk of memory to be mapped. Even if sparse, tables for
managing it will be needed.
-- R;
Rick Troth
Velocity Software
http://www.velocitysoftware.com/
On Fri, Dec
The most obvious solution is to run one zLinux guest straddling internal
and external, forwarding enabled, and tell the others it is their router.
If you need to generate the internal addresses, run DHCP server on it (or
on another internal guest). You'll need layer 2 for DHCP traffic.
NAT on
... I should add that I don't personally recommend DHCP in a z/VM context.
Better to have the addresses pre-assigned to each guest. (You'd want to do
some prep of your virt MAC addresses. Might as well cut to the chase, even
relegate the MAC addrs to VM and save that effort.) On z/VM there are
.
-Original Message-
From: Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of Richard
Troth
Sent: Wednesday, November 16, 2011 1:36 PM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: Porting old application- numeric keypad
You will want to find out if HOD was/is used when they run
You will want to find out if HOD was/is used when they run this
against HP-UX system(s).
It has been a while since I worked on this kind of thing. I was
dismayed to find that most of the termcap/curses support is for
*output*. For input, more of the heavy lifting gets dumped on the
apps
Stop calling this a security problem. (but see below about the conf
file) The security point for virtual machines is devices. If the
device is available, then whatever the guest does is okay by
definition.
Just because the current crop of security weebles don't get it does
not a true problem
You found the module, but is it loaded?
modpobe tape-3590
Or look for it with 'lsmod | grep tape'.
-- R;
Rick Troth
Velocity Software
http://www.velocitysoftware.com/
On Sat, Nov 5, 2011 at 18:17, Edward Jaffe edja...@phoenixsoftware.com wrote:
On 11/5/2011 2:57 PM, Philipp
First, let's hope these old Linux systems used EXT2 (or EXT3, which is
compatible), if you need to read the content. Linux supports a wide
range of filesystem types.
USS will not be able to use the Linux volumes ... at all.
z/OS *may* be able to read the partitions on the Linux volumes
(usually
You might consider a manual 'swapoff' (then 'swapon') of one large
swap volume after that crunch time. In any case, this is one where
you should reconsider how much VDISK to use. Obviously, there's a lot
happening when it gets that end-of-month workload, so remember to
include CPU and other I/O
Hi, Scott, --
I believe you want to enlarge the LV first, then resize the filesystem
it holds. Rough example ...
lvexdent /dev/some/thing
ext2online /dev/some/thing
I usually do this offline. (And 'resize2fs', the offline resizer,
demands that I run 'e2fsck -f' first.)
-- R;
Typo there ... should be 'lvextend'. Sorry.
-- R;
Rick Troth
Velocity Software
http://www.velocitysoftware.com/
On Wed, Oct 5, 2011 at 17:26, Richard Troth vmcow...@gmail.com wrote:
Hi, Scott, --
I believe you want to enlarge the LV first, then resize the filesystem
it holds. Rough
= 046A, REASON CODE = 6E2A1003
-Original Message-
From: Richard Troth [mailto:vmcow...@gmail.com]
Sent: Wednesday, September 21, 2011 3:16 PM
To: Dazzo, Matt
Cc: Linux on 390 Port
Subject: Re: RH NFS Server
Hang in there. You will get this. Many of us can relate to the double
whammy
ASYNCHRONOUS MOUNT FAILED FOR FILE SYSTEM LN.NFSTEST.
BPXF028I FILE SYSTEM LN.NFSTEST WAS 592
NOT MOUNTED. RETURN CODE = 046A, REASON CODE = 6E2A1003
-Original Message-
From: Richard Troth [mailto:vmcow...@gmail.com]
Sent: Wednesday, September 21, 2011 3:16 PM
To: Dazzo, Matt
Cc
= 046A, REASON CODE = 6E2A1003
046a= No route to host
6e2a= unable to find this, might mean ' Verify that the operation was
performed on a physical file system that supports the operation'
Any help is greatly appreciated, thanks Matt
-Original Message-
From: Richard Troth
Check the contents of each package.
If the package supplies libraries, then DO NOT remove them because
other things may depend on them.
If the package supplies commands, you may have difficulty removing.
(But re-install of preferred arch may suffice.)
In the case of libraries, it is normal to
.
-- R;
Rick Troth
Velocity Software
http://www.velocitysoftware.com/
On Tue, Sep 20, 2011 at 12:14, R P Herrold herr...@owlriver.com wrote:
On Tue, 20 Sep 2011, Richard Troth wrote:
In the case of libraries, it is normal to have both architectures
installed. Desirable even. So
I don't know z/OS well enough to say if
FILESYSTEM(SYS1.OMVS.NFSTEST) is required. Does not make sense
that you would need a local empty ZFS filesystem. The filesystem of
interest is a sub-directory of a remote filesystem. (Or could be the
entire remote filesystem.) So at first blush, I would
With all respect to Mark and Alan, David is correct. RSH is the only
consistent supported means of automation between CMS (or TSO) and
Linux.
I put a lot of effort into cobbling up other tools to automate
Linux-to-CMS, but in-house hacks are held in low esteem where vendor
venues are more
You said you have no overlaps, but what Mark Post said still applies.
Was a minidisk copied (enlarged? moved?) and the original space not
wiped clean? If so, then any PV signature would still be present and
would appear on the (new to Linux) device.
I am suspicious of your 400 minidisk
If I understand the requirement, then you probably want to create
normal users and simply add them to the /etc/sudoers file. That will
give them superuser authority via 'sudo', which is generally the
better way to do it.
-- R;
Rick Troth
Velocity Software
http://www.velocitysoftware.com/
My wife uses the TBird filter Rich suggests. A colleague uses GMail
to the same effect.
See comments by Scott and Neale for reliable ways to identify the messages.
-- R;
Rick Troth
Velocity Software
http://www.velocitysoftware.com/
As I already hinted, I don't see a problem with X security per se.
You are probably seeing or hearing about security issues because of
cases where people disable X security.
For decades, X has had its own crude 'xauth' control. The trick is to
prevent hijacks of that, protection which is
Hi, Steve, --
Actually, there is not necessarily a security problem with 'xterm'.
But for the moment, I will defer that discussion.
For remote desktop, I use VNC heavily. You get good security if you
lock down VNC where it runs (ie: set it to reject remote connections)
and then connect via
Is manadatory on Fedora that I have tried, so I would second what
Shane said, that it is beyond expermental.
I avoid it for one reason: downward compatibility. I share
filesystems ... a lot. But if your shop is comprized of systems which
all have EXT4 capability, then go for it.
Dunno about
Is the volume group of the damaged system the same as the volume group of
the repairing system?
-- R;
On Jun 25, 2011 5:49 PM, Donald Russell russell@gmail.com wrote:
Thanks Scott There are other files systems that also use LVM, but I
know
the root file system is all on the 100
Jerry --
What John said. (Even though he is evidently stoned at the moment.)
The name DCSS is a little confusing if you are new to Linux-on-z.
But it is nothing more or less than a chunk of memory shared by
several virtual machines.
Best use for Linux is to stuff filesystems in it. If you
John --
As z professionals, we understand that it's a 32-bit system with 31-bit
addressing. Personally, I tire of having to explain the magical use s/390
makes of that high order bit. Also, in this context, 31/64 lib support on z
is quite like 32/64 lib support on InTEL and AMD.
So ... I got
Berry --
I cannot help you get OX running, but I would suggest that if you run
out of options ... consider a mixed approach.
YOU MAY be well served by a combination of standard servers for email,
contacts, calendar, and files. Many services are already provided by
stock packages (programs you
I am not sure what you are asking.
Linux/390 is an ASCII system, just like Solaris (SunOS).
Linux on the mainframe needs no translation when talking to Solaris
(on any hardware).
Solaris on the mainframe needs no translation when talking to Linux
(on any hardware).
Linux/390 (and Solaris on z)
What you describe is easy to do and is common practice for some
network services.
Even without a load balancer, you can have hostname www point to
two different machines. I would do it with multiple A records in the
DNS. Protocols like HTTP carry out a complete transaction nicely that
way.
If /etc/fstab has markers which say this is important, then it dies.
That is common for Unix/Linux/POSIX.
Specifically, if you have the troubled FS set to be checked (last
column something other than 0), and the check fails, the system will
fall back to maint mode. Filesystems which fail to
I made a typo when I added a new logical volume to fstab, ...
It's a common and easy mistake. Here's a tip ... before rebooting, if
there have been changes to /etc/fstab, then do this:
mount -a
It will cause the system to [re]examine /etc/fstab and try to mount
everything which would
Yep. What Mark said.
To try and boost your comfort level, know that many of us regularly
load both versions of many libraries. I have yet to experience any
problem from that because the 64-bit flavor is always reliably
addressed along a different file path.
32-bit programs run just fine on a
Try creating a few large temporary files with random content. Then
change them up (gzip, then gunzip, stuff like that). The disk
activity is one way to generate entropy.
Better, configure GPG to use the crypto hardware. (Assuming you do
have a crypto card.) I used to know how to do this with
Jim --
What I think I hear is that he wants to install an additional software
package to the already installed and running Linux system, yes? (As
opposed to performing an installation of Linux itself.)
So ... he probably has a Linux desktop. If so, then he should
ssh -X linuxonz
and
If you're trying to use coalesced SAN volumes (and I believe you said
that you are), then you want to INclude block devices under
/dev/mapper and EXclude the rest. Something like ...
filter = [ a|/dev/mapper/.*|, r|.*| ]
Someone should confirm that I have the syntax correct. I can
Using multipath ... good!
And creating PVs via the coalesced devices (under /dev/mapper) ... excellent!
Be sure to also exclude /dev/sd* from LVM scanning so that you don't
accidentally hit the individual paths directly. There is exclusion
capability in /etc/lvm/lvm.conf. See the filter =
Mark is right. It's not a valid restriction.
speculation
The rule was likely put in place by someone with only MVS mainframe
knowledge.
/speculation
Even so, there are shops which had mainframes on the public internet
15+ years ago and there are shops *today* with mainframes on the
public
I like Frank's point #4, create linear logical volumes.
Consider why you're striping in the first place. Also remember that the
storage subsystem be striping its physical platters. Is it? Letting the
storage subsystem do it's thing is usually good advice. As Frank mentioned,
you could get
You get a double benefit from XIP. Not only is the content shared by all
guests (so if just one guest is using it, CP has already paged it in), but
from the Linux perspective it is point and shoot. (That's why they call
it execute in place. But you knew that.) Ordinarily, programs have to be
://www.velocitysoftware.com/
On Fri, Mar 18, 2011 at 08:57, Richard Troth vmcow...@gmail.com wrote:
You get a double benefit from XIP. Not only is the content shared by all
guests (so if just one guest is using it, CP has already paged it in), but
from the Linux perspective it is point and shoot. (That's
Originally, the kernel loaded at real addr 64k. That is the default for
Linux on most platforms. But you could change that, and for 1M alignment,
some do so on S/390.
Going with mapped memory, it sounds like absolute zero is the virtual pref
for kernel space. Cool. Easily handled in all virt
Many Linux installations use tmpfs for /tmp. Personally, I do that
as a rule. (All rules are subject to exception, and I do that too.)
The advantage of tmpfs is that it magically cleans up every time you
reboot. You can get the same effect from explicit deletion of /tmp
contents when the
Mack said:
You might also note that according to the FHS, /tmp is only supposed to be
used by system processes. User-level processes are supposed to use /var/tmp.
But of course, many programs violate that. Still, you might want to be
cleaning up both directories.
Yes ... keep an eye on
Gary --
There is nothing in the kernel that cares if two disks have identical
content unless you mount by label, which you did not. (And I am
counting PV stamps as labels.)
I gotta wonder if your second 'vmcp link' acquired a RO link instead
of a RW link? You were right to use the mr token,
Oh ... yeah ... she's right (of course).
Did userid change from the first to the second? Guessing it did,
but if it did not ... that would explain the problem.
-- R;
Rick Troth
Velocity Software
http://www.velocitysoftware.com/
On Wed, Mar 9, 2011 at 13:18, Marcy Cortes
I don't know what cloning process you're using, but if it is a shell
script and if it uses hard-coded names for its work files ... just a
guess.
-- R;
Rick Troth
Velocity Software
http://www.velocitysoftware.com/
On Wed, Mar 9, 2011 at 13:02, Gary Detro de...@us.ibm.com wrote:
I am
Hi, Craig, --
For FBA, you are correct to dispense with 'dasdfmt'. (Will detail
that in a following note.)
You still need to stamp a bootstrap onto the FBA disk, and the
bootstrap is different for FBA than for CKD.
... We've altered the script to
identify the FBA devices, format them
There is a lot of confusion about 'dasdfmt' versus 'mkfs'. If you
already know the difference, please excuse this note. The water is
muddier for mainframers because in z/OS land the concept of
filesystem and volume is blurred. z/OS uses the low level
structure (tracks, blocks, records, even
Sorry ... you did not indicate, and I failed to ask, so I presumed
you're running on VM.
-- R;
Rick Troth
Velocity Software
http://www.velocitysoftware.com/
On Tue, Feb 15, 2011 at 19:00, Daniel Tate daniel.t...@gmail.com wrote:
We are continually having a problem when it comes time in
If you don't need z/OS to access the disks, then your best bet is
probably CMS RESERVED. You would have to CMS FORMAT them and then
RESERVE them before booting Linux.
Given a raft of disks which have already been thusly processed, DO NOT
run 'dasdfmt' on them. You don't even need 'fdasd'.
This is an overdue update about NORD Linux. Belated Merry Christmas
to you all!
I introduced NORD Linux almost a year ago on the VM discussion list.
Its purpose is to assemble a minimalist system for use in service
virtual machines. It is inspired by the SVMs which have been used on
VM for
.
-- R;
Rick Troth
Velocity Software
http://www.velocitysoftware.com/
On Mon, Jan 10, 2011 at 08:25, Peter Oberparleiter
ober...@linux.vnet.ibm.com wrote:
On 04.01.2011 16:02, Richard Troth wrote:
Mark is correct: one automagically created partition. Worse, there
is no 'fdasd' or 'fdisk
://www.velocitysoftware.com/
On Thu, Jan 6, 2011 at 16:47, Stephen Powell zlinux...@wowway.com wrote:
On Thu, 06 Jan 2011 16:10:36 -0500 (EST), Richard Troth wrote:
The problem is that one cannot boot from an unpartitioned CKD disk
(LDL) even though one can boot from an unpartitioned FBA disk.
Partition tables
In theory, we could mangle the IPL code into the first
512 bytes of a filesystem which is reserved on x86 as partition boot
record, ...
You should thusly mangle the IPL code. :-)
It doesn't break anything else to do so.
a) the disk would not be labled as observed by other mainframe
Velocity Software
http://www.velocitysoftware.com/
On Thu, Jan 6, 2011 at 14:22, Stephen Powell zlinux...@wowway.com wrote:
On Thu, 06 Jan 2011 09:03:46 -0500 (EST), Richard Troth wrote:
...
The problem with mainframe labelling (the req for an IBM volser) is
that it panders to the bad behaviour
Check the ownership of the authorized_keys file. Also check
permission bits on the file. Also check permission bits on all
directories along the path to that file. Finally, see if the target
system allows root logon (via SSH ... or at all). But see below.
Regarding that last point, I STRONGLY
Mark is correct: one automagically created partition. Worse, there
is no 'fdasd' or 'fdisk' management of that partition. WORSE STILL,
you *must* put the filesystem into the partition (such as it is) if
you are going to boot from this disk. A filesystem in /dev/dasdx will
be clobbered by the
1 - 100 of 523 matches
Mail list logo
