Re: EDEV FBA disks and Cloning

2011-03-02 Thread Michael MacIsaac
Craig, > We've altered the script to identify the FBA devices, > format them with 'mkfs' and then use the 'dd' to perform > the block copy. When we try to boot the cloned copy Just some thoughts - after you dd them, but before you try to IPL, are you able to mount the new targets as file systems

Re: Shared filesystem in redhat, MQ redundancy

2011-02-22 Thread Michael MacIsaac
modprobe vmcp "Mike MacIsaac"(845) 433-7061 -- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvind

Virtualization Cookbook for RHEL 6 is published

2011-02-21 Thread Michael MacIsaac
Hello lists, We are pleased to announce the IBM Redbook "z/VM and Linux on IBM System z: The Virtualization Cookbook for Red Hat Enterprise Linux 6.0" is *finally* published (lawyer+lawyer=slow:)) at http://www.redbooks.ibm.com/abstracts/sg247932.html Thanks goes out to Sue Baloga, Bill Bitner

Re: FTP Security Issue

2011-02-17 Thread Michael MacIsaac
Is this vsftpd? If so, do you have local_enable set to YES in the /etc/vsftpd.conf file? # Uncomment this to allow local users to log in. # local_enable=YES "Mike MacIsaac"(845) 433-7061 -- For LINUX-390 subscribe / signoff

New Virtualization Cookbook (Redbook) for SLES 11 SP1

2011-02-02 Thread Michael MacIsaac
Hi, The "z/VM and Linux on IBM System z: The Virtualization Cookbook for SLES 11 SP1" is now an official IBM Redbook. See http://www.redbooks.ibm.com/abstracts/sg247931.html?Open Any feedback is welcome. Enjoy. "Mike MacIsaac"(845) 433-7061 -

Re: sles11sp1 install using parmfile

2011-01-13 Thread Michael MacIsaac
Sergey, > I changed parmfile for my system, but i use FTP as an install source: > > INSTALL=ftp://ibmsys3:xxx@10.1.1.1/image/ Just curious, why did you choose FTP over NFS? I see the error: > *** Could not find the SUSE Linux Enterprise Server 11 Repository. So the installer can't find the RPMs

Re: Error Creating LVM Volume Group

2011-01-08 Thread Michael MacIsaac
> Ideas? I vaguely remember seeing a 4010 return code and vaguely associate it with trying to make a physical volume (PV) out of a disk with a PV signature already on it. That's probably why you ran into this the second time, but not the first. Did you reformat the disks at the "DASD Management"

Re: Extending a Logical Volume

2011-01-06 Thread Michael MacIsaac
Dave, You can do a "ls /dev/system_vg" to see what logical volumes are there. I would guess that this will work: # lvextend -l +586 /dev/system_vg/home--vg "Mike MacIsaac"(845) 433-7061 -- For LINUX-390 subscribe / sig

Re: SLES 11 SP 1 - Ncurses version of YaST

2011-01-06 Thread Michael MacIsaac
Dave, > I followed parts of the Virtualization Cookbook for SLES 11 SP1 when I installed the System (LPAR, no z/VM, so I skipped those). > Now I need to add additional DASD to the LVM group. > But all I can get is the Ncurses version of YaST, and I can't figure out how to get to the Expert Partiti

RPMs on RHEL

2010-12-17 Thread Michael MacIsaac
Hi, Does RHEL have the fping and tree RPMs (or commands from another package) on s390x? I don't see them in the Packages/ directory of the install DVD 1, but perhaps they are available elsewhere. Thanks. "Mike MacIsaac"(845) 433-7061 -

Re: ipl problem

2010-12-16 Thread Michael MacIsaac
Ruddy, > Where do I get instructions on doing this?? In the book: z/VM and Linux on IBM System z: The Virtualization Cookbook for SLES 11 SP1, Nov 2010 - describes z/VM 6.1 and Novell/SuSE SLES 11 SP1 - http://www.vm.ibm.com/devpages/mikemac/SG247931.pdf There is also an associated tar file with

Re: ZLINUX TCPIP problem

2010-12-09 Thread Michael MacIsaac
Srivinas, After IPL of ZVM I get : VSWITCH SYSTEM VSW1 STATUS IS READY. DTCVSW1 is vswitch controller for 0503.P00 DTCVSW2 is vswitch controller for backup device 0506.P00 OK so you do have a VSWITCH defined, and it appears to be using real OSA devices 503, 504 and 505 (with 506, 507 and 508 as

Re: ZLINUX TCPIP problem

2010-12-09 Thread Michael MacIsaac
>From a 3270 console, after RHEL boots, what is the output of these commands: # cat /etc/sysconfig/network-scripts/ifcfg-eth0 # service network restart "Mike MacIsaac"(845) 433-7061 -- For LINUX-390 subscribe / signoff / arc

Re: ZLINUX TCPIP problem

2010-12-09 Thread Michael MacIsaac
Srinivas, > Just have to move the LPARS and images. Did you move this Linux from an LPAR to running under z/VM? If so, then you'd probably need to assign the same OSA triplet to the virtual machine (perhaps through three DEDICATE statements in the user directory entry for the Linux virtual machine

Re: ZLINUX TCPIP problem

2010-12-09 Thread Michael MacIsaac
> But we are unable to get the TCPIP running. What are the error messages related to TCP/IP as Linux boots? Is the virtual machine being attached to a VSWITCH? If so, are you sure there is no error message regarding the VSWITCH when you log on to the virtual machine? "Mike MacIsaac"(845) 433-

Re: Red Hat 6 Installation on DASD

2010-12-07 Thread Michael MacIsaac
William, > The installation fails with the window "Formatting failed": I think this is a bu... um, a "known issue" :)) In the draft RHEL 6 Virtualization Cookbook, we write: Important: If the minidisks 100-102 (dasdb-dasdd) have not been formatted for Linux by dasdfmt before this install, you s

Two new draft Virtualization Cookbooks

2010-11-17 Thread Michael MacIsaac
Hi everyone, We'd like to announce two new draft Virtualization Cookbooks. See: http://www.vm.ibm.com/devpages/mikemac/ These are only drafts. More good news is that they will eventually become official IBM Redbooks. They include the following updates to previous books: -) The z/VM sections are

Re: CMM

2010-11-10 Thread Michael MacIsaac
David, > Can someone point me to a step by step on how to configure CMM Cooperative memory management? See the Redbook z/VM and Linux on IBM System z The Virtualization Cookbook for SLES 10 SP2, section 11.7, on the Web at http://www.redbooks.ibm.com/abstracts/sg247493.html?Open There's a count

Re: Filesystem on several 3390-3

2010-11-03 Thread Michael MacIsaac
Whoops, forgot to finish typing my thought. > (yast is fine when everything works, but when yast is fine when everything works, but when it doesn't, it's hard to know in what state the PV/VG/LVs were left. "Mike MacIsaac"(845) 433-7061

Re: Filesystem on several 3390-3

2010-11-03 Thread Michael MacIsaac
John, You wrote: > Any known problem to define a file system on several 3390-3 (3 Gbyte) We were recently burned and lost an LV on an old SLES 9 SP2 system. The person working on extending the LV was using yast. Now I'm not saying that yast has a bug (and if it did in SLES 9 it was probably fix

Re: SLES 11 - Create LVM at Install?

2010-10-18 Thread Michael MacIsaac
> I can't seem to figure out how to create a LVM VG at install time. It's documented in z/VM and Linux on IBM System z: The Virtualization Cookbook for SLES11 at the top of the page: http://linuxvm.org/present/ "Mike MacIsaac"(845) 433-7061 -

Re: RedHat 6.0 Beta

2010-10-06 Thread Michael MacIsaac
Eric, > then I get a "STORAGE ACTIVATION FAILED" popup Yup, I got that too. From another system, I vmcp LINKed, chccwdev -e'd and dasdfmt'd the minidisks onto which I was trying to install. Then I chccwdev -d'd, and vmcp DETached them. Then the install worked fine. "Mike MacIsaac"(845) 433-70

Re: Mono 2.8.1

2010-09-30 Thread Michael MacIsaac
Neale, > As the maintainer of the System z part of Mono, I have built s390x RPMs for > mono 2.8.1 for the following platforms: > ... Nice work! Thanks. "Mike MacIsaac"(845) 433-7061 -- For LINUX-390 subscribe / signoff / ar

Re: vmpoff and vmhalt

2010-09-16 Thread Michael MacIsaac
Offer, You wrote: > Sadly that did not work... I'm just curious. Early in this thread it was recommended that you trap the message from SIGNAL SHUTDOWN. Usually about 15 seconds after signaling a Linux virtual machine to shut down, I get a message. For example: ==> q linux01 LINUX01 - DSC

Re: /tmp of type tmpfs - any drawbacks?

2010-09-04 Thread Michael MacIsaac
Mark, > using tmpfs might be a drawback on memory constrained systems (which appears to be the case in most Linux on System z shops). Yep, that seems to be the major drawback. Thanks. "Mike MacIsaac"(845) 433-7061 -- For L

/tmp of type tmpfs - any drawbacks?

2010-09-02 Thread Michael MacIsaac
Hello list, I don't see a file system type of tmpfs in the installers. But it seems easy enough to make /tmp a tmpfs file system after installation - just add a line to /etc/fstab: # grep /tmp /etc/fstab tmpfs/tmp tmpfs defaults 0 0 Then after reboot:

Re: Which directories on which device?

2010-08-11 Thread Michael MacIsaac
Donald, > I think once I get this, I'll write a script to answer > the eternal questions? "Which disk is file/directory x on"? > and "Which real disk is /dev/"? I started one (lsvols.sh). It reads through /etc/fstab and tries to parse it and report what it finds, cross-referencing it with LVM. H

Re: Shared root and shutdown

2010-08-10 Thread Michael MacIsaac
> All the issues of the RO compoennt > are long since known and solved, Did that include moving the RPM database from /var/lib/rpm/ to somewhere under /etc/? I'm guessing the answer is "no way", but it just seems out of place in /var/lib/rpm/. "Mike MacIsaac"(845) 433-7061 --

Re: Shared root and shutdown

2010-08-09 Thread Michael MacIsaac
Leland, > For you "shared root crazies" out there, how did you get /etc to unmount ... Or perhaps a better question is "How did you get /etc to *mount*?" As I recall the install programs will not allow /etc to be a mounted file system. This makes some sense as the file system table (fstab) is in

Re: (No subject header)

2010-07-28 Thread Michael MacIsaac
Malcolm, > Is there a way to check the NFS connection from the manual setup program? I first check that the NFS server can mount a file system locally. For example, from the NFS server: # mount localhost:/nfs/sles11/dvd1 /mnt # ls /mnt When that is working, I test from another system. Can you

Velocity under CSE

2010-07-23 Thread Michael MacIsaac
Is there a cookbook anywhere to set up Velocity tools on two LPARs running with CSE? Thanks. "Mike MacIsaac"(845) 433-7061 -- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.

Re: Strange problems adding network adapter no 2 (eth1) in SLES11 SP1

2010-07-08 Thread Michael MacIsaac
Tore, > We really would appreciate some hints here ! Why is the broadcast address in ifcfg-eth0 starting with 131.197? Shouldn't it be 10.248? Then the ifcfg-eth1 file looks different, so I might try something like: # cd /etc/sysconfig/network # mv ifcfg-eth1 ifcfg-eth1.orig # cat ifcfg-eth0 | se

Re: Using NFS mounted source on Linux with DNS entry

2010-06-23 Thread Michael MacIsaac
> the successful guests do not have DNS > entries defined in our environment. Having a happy DNS system makes life easier all around. Can you add the new clones host names/i...@s to various /etc/hosts files? "Mike MacIsaac"(845) 433-7061 -

Re: GNOME

2010-06-11 Thread Michael MacIsaac
> Is the firewall dropping the packets? Sob ... I must confess ... Since Thang and I sit on the same aisle in Poughkeepsie, NY and work on the same systems, I had the luxury of SSHing into the system and "hacking about". It was after much ado that I tried an "iptables -L" and saw a bunch of rules i

Re: GNOME

2010-06-11 Thread Michael MacIsaac
> I cannot access the desktop using a VNC viewer. Is the firewall dropping the packets? "Mike MacIsaac"(845) 433-7061 -- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu wi

createrepo on SLES11

2010-05-10 Thread Michael MacIsaac
Hi list, I haven't used "repos", zypper, yum, etc. too much so please bear with me if these are basic questions. I'm trying to install a software package onto a SLES 11 virtual machine. One option is a tar file, but this software also has a "repository" compatible with yum and zypper on the Inter

Re: Announcing Red Hat Enterprise Linux 6 beta

2010-04-27 Thread Michael MacIsaac
I wrote this: > OK, we use *AF_IUCV sockets* all the time. So what is going away is the > ability to *install* using IUCV. That is understandable. Please let me clarify. After I sent the previous append I got an e-mail from another IBMer with words to the effect of: > It is only the "netiucv" dr

Re: Announcing Red Hat Enterprise Linux 6 beta

2010-04-27 Thread Michael MacIsaac
>> Ouch! We use IUCV all the time. Is there any reason for this? > AF_IUCV sockets which is definitely not going away any time soon. OK, we use *AF_IUCV sockets* all the time. So what is going away is the ability to *install* using IUCV. That is understandable. "Mike MacIsaac"(845) 433-706

Re: Announcing Red Hat Enterprise Linux 6 beta

2010-04-26 Thread Michael MacIsaac
> "The CTC (channel-to-channel) and IUCV (inter-user communication > vehicle) are deprecated ... Ouch! We use IUCV all the time. Is there any reason for this? "Mike MacIsaac"(845) 433-7061 -- For LINUX-390 subscribe / signo

Re: The udevadm settle command timing out

2010-04-26 Thread Michael MacIsaac
Sebastian, Thanks for your complete reply. I will look into your questions and post back "Mike MacIsaac"(845) 433-7061 -- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.maris

Re: The udevadm settle command timing out

2010-04-23 Thread Michael MacIsaac
Oh, this is SLES 11 under z/VM 5.4 # uname -a Linux gpok231 2.6.27.42-0.1-default #1 SMP 2010-01-06 16:07:25 +0100 s390x s390x s390x GNU/Linux # cat /etc/*release SUSE Linux Enterprise Server 11 (s390x) VERSION = 11 PATCHLEVEL = 0 "Mike MacIsaac"(845) 433-7061 --

The udevadm settle command timing out

2010-04-23 Thread Michael MacIsaac
Hi, I have a script that does a FLASHCOPY, then a "chccwdev -e" against the newly copied disk. It seemed that the chccwdev command finished asynchronously. In the past I had a "sleep 1" which seemed to allow enough time for the command to finish, but I got comments that "udevsettle", or "udevadm

Re: open source performance monitor -uses z/VM *Monitor System Service

2010-04-20 Thread Michael MacIsaac
Przemyslaw, > I've written two programs to monitor mainframe system. They are not > completed but might be useful to somebody Thanks for sharing. I'll definitely take a look at them. "Mike MacIsaac"(845) 433-7061 -- For LI

Re: Linux HA with RHEL and MySQL on System z

2010-03-13 Thread Michael MacIsaac
> we may be able to configure PaceMaker to issue a #CP LOG off > command, but how do we get this message across to the 2nd LPAR? Just thinking out loud - could you set up authorized_keys files from the PaceMaker node to the other nodes that may need to be shot in the head, then the PaceMaker node

Re: Features supported in mkinitrd - mkinitrd

2010-03-10 Thread Michael MacIsaac
Florian, > I was searching on the Internet regarding the best way of doing r/o root > file system. See http://www.vm.ibm.com/linux/dcss/ The paper describes *one way*, almost certainly not *the best way* :)) "Mike MacIsaac"(845) 433-7061

New paper "Sharing and Maintaining SLES 11 Linux under z/VM using DCSSs and an NSS"

2010-03-02 Thread Michael MacIsaac
There is a new paper, "Sharing and Maintaining SLES 11 Linux under z/VM using DCSSs and an NSS", available on a new Web page at: http://www.vm.ibm.com/linux/dcss/ In 2007, there was collaboration between IBM and Nationwide insurance that resulted in the Redpaper "Sharing and maintaining Linux unde

Re: SLES11 - errors when applying kernel patch

2010-02-17 Thread Michael MacIsaac
Bernie, > I am trying to apply kernel patch 20090402 ( 16 April 2009 ) and I encounter the following : > ... I've seen these errors too (can't say for sure they were the exact messages) after an "rpm -Uvh *". After the rpm command, I "echo $?" and got a 0. I reboot and the kernel level was upgra

Re: Location of network configuration

2010-02-15 Thread Michael MacIsaac
Barry, > The /etc/sysconfig/hardware contains identical entries. Are they really identical? I have a system with two interfaces connected to NICs at 600 and 700. The /etc/sysconfig/hardware configuration files are different: # cat /etc/*release SUSE Linux Enterprise Server 10 (s390x) VERSION = 10

Re: New Virtualization Cookbook for z/VM 6.1 and SLES 11

2010-02-12 Thread Michael MacIsaac
James, > Will you be coming out with a Red Hat version of this same cookbook No, sorry, there are no plans for one at this time. "Mike MacIsaac"(845) 433-7061 -- For LINUX-390 subscribe / signoff / archive access instruction

New Virtualization Cookbook for z/VM 6.1 and SLES 11

2010-02-12 Thread Michael MacIsaac
Hello lists (cross posted to linux-390 and ibmvm), Marian Gasparovic and I are pleased to announce a new "cookbook" entitled "z/VM and Linux on IBM System z: The Virtualization Cookbook for SLES 11". It is temporarily at the top of the page: http://www.vm.ibm.com/devpages/mikemac/ The PDF weighs

Re: zLinux operating as a zVM guest host

2010-01-31 Thread Michael MacIsaac
Mark, > You can do this, but I think you'll find that running Linux > third-level will result in excruciatingly bad performance. Well, not always - our team had some second-level z/VMs with third-level Linuxes on a z990 - the performance went from acceptable to *bad* (but perhaps not *excruciatin

Re: /usr/local -or- /local

2010-01-05 Thread Michael MacIsaac
Rick, > What do y'all say? I'm not Red Hat nor Novell, but I'll chip in because I think I'm covered under "y'all" :)) We moved from writing about /local/ to /usr/local/ as /usr/local/ is in the Linux Filesystem Hierarchy Standard (FHS): "The /usr/local hierarchy is for use by the system adminis

Re: How to set up a common USER home directory across multiple zLinux Guests

2009-12-24 Thread Michael MacIsaac
James, > Can anyone point me to a sample or documentation to resolve this? We did document a "travelling /home" using NFS+LDAP+automount in the books "z/VM and Linux on IBM System z The Virtualization Cookbook for or " on the Web at http://www.redbooks.ibm.com/abstracts/sg247493.html or

Re: RedHat 5.4 (and 5.2) installs fail before formatting DASD

2009-12-20 Thread Michael MacIsaac
Patrick, >> Trying to install a RedHat image by hand, and I get through the network >> definitions, I skip the installation number, and get to the warning about >> formatting the first disk and data loss. I tell it to go ahead and >> format, >> and RedHat exits without doing anything. This is rin

Re: self study books for linux on mainframe

2009-11-25 Thread Michael MacIsaac
Samir, > I'm looking for books dat he can use as a reference and for self-study, especially for zlinux. Most people learn by doing. If you have access to an LPAR, z/VM, Linux, some DASD and IP addresses, you can go through the steps in the Virtualization Cookbooks. There is one for Novell's SLES a

Re: adding DASD on SUSE

2009-11-14 Thread Michael MacIsaac
Mark, > Like were most people ... I like this one: > - or add a dasd= in their kernel parameters because then you can go to /etc/zipl.conf to see which disks (or disks and "slots") the system is supposed to have. And if you do leave slots open, you can add DASD more easily. "Mike MacIsaac"

Re: Using Virtualization Cookbook - SLES10 for SLES11

2009-10-30 Thread Michael MacIsaac
Judson, It seems you are starting with the SLES 10 Virtualization Cookbook on linuxvm.org. We did update that for SLES 10 SP2, in the form of a redbook. (see http://www.redbooks.ibm.com/abstracts/sg247493.html). That book changed the methodology of making the golden image a mount point of the cont

Re: Waiting for device

2009-10-27 Thread Michael MacIsaac
Ray, A straw to grasp at - I see an extra space in the current /dev/ file name: > Waiting for device /dev/disk/by-id/ccw-HTC.5500010772.0800.3a.00010d0a-part1 to appear: ok ... > Waiting for device /dev/disk/by-id/ccw-HTC.5500010772.0800. 3a.00010d0a00

Re: 2nd level zVM

2009-10-09 Thread Michael MacIsaac
> For example I managed to get it up boot but I couldn't get CMS to start: > > 03:14:54 ipl 190 > DMSWSP327I The installation saved segment could not be loaded > z/VM V5.4.02008-10-13 07:27 > > DMSDCS1083E Saved segment CMSPIPES does not exist > DMSDCS1083E Saved segment CMSPIPES does not

Re: Has anyone looked into a "console server"

2009-10-02 Thread Michael MacIsaac
Rick, Thanks for the continued discussion. You write: > there are two "console server" concepts ... LOG servers and > collection of virtual console traffic, and then also CONTROL > servers (terminal servers) where you get a command shell > without the 3215 pain. So let's think about this. Why do

Re: Has anyone looked into a "console server"

2009-10-01 Thread Michael MacIsaac
Hi list, Thanks for all the replies ... I had forgotten about the terminal server paper. That looks like a good approach as it is Linux-centric (not that the z/VM-centric solutions aren't good too). It's also good to hear that the next SLES release will be picking that up from s390 tools. I'm g

Has anyone looked into a "console server"

2009-09-30 Thread Michael MacIsaac
Hello list, Has anyone ever tried to log the 3270 Linux consoles to a central server? I see on http://freshmeat.net/projects/conserver/ "Conserver provides remote access to serial port consoles and logs all data to a central host." It would be nice to rarely need 3270 sessions, but also to be a

New paper "Sharing and maintaining RHEL 5.3 Linux under z/VM"

2009-09-24 Thread Michael MacIsaac
Cross-posted to LINUX-390 and IBMVM Hello everyone, We are pleased to announce a new paper and associated tar file on system sharing with a read-only root file system. The PDF and tar files are available on the top of the page: http://linuxvm.org/present/ The differences between this and the

Re: When will CMMA be removed from the kernel?

2009-09-23 Thread Michael MacIsaac
> Xenia, wouldn't it be better if VMRM didn't have ... > ... > Our approach is to look in side (sic) the server ... Moderator - order in the court please! Again, we're all trying to do what is best for the z/VM/Linux customer. Let's try to understand the difference between how VMRM and *this oth

Re: When will CMMA be removed from the kernel?

2009-09-23 Thread Michael MacIsaac
Barton, I wrote, > ... could you point to some numbers ... You replied, but I don't see a reference to any numbers. You wrote in a reply: > VMRM should have been enough, but it has very poor feed back > mechanisms, and has no clue about what is happening inside Linux. And: > With that in mind, wi

Re: When will CMMA be removed from the kernel?

2009-09-23 Thread Michael MacIsaac
Sam, > We load the CMM module via > /etc/sysconfig/kernel > MODULES_LOADED_ON_BOOT="vmcp cmm" > > So what is it that we have turned on? Good question. You've turned on CMM1 on Linux, but as I understand it, there must also be a *collaborative* piece enabled on z/VM. In both the latest Virtualizat

Re: vmpoff=LOGOFF not working in RHEL 5.3?

2009-08-14 Thread Michael MacIsaac
Oliver and Brad, Yes, "vmhalt" works much better than "vmphalt". Thanks. Ken, You are right - not having a 3270 session going causes SIGNAL SHUTDOWN to behave as I expected: ==> signal shutdown rh5rwmnt ... HCPSIG2113I User RH5RWMNT has reported successful termination ==> q rh5rwmnt HCPCQU045E R

Re: vmpoff=LOGOFF not working in RHEL 5.3?

2009-08-14 Thread Michael MacIsaac
Clovis, > Please, try with vmphalt too. > > root=LABEL=/ vmpoff=LOGOFF vmphalt=LOGOFF BOOT_IMAGE=0 Thanks for the suggestion. I tried that and there was no difference: # cat /proc/cmdline cat /proc/cmdline root=LABEL=/ vmpoff=LOGOFF vmphalt=LOGOFF BOOT_IMAGE=0 # halt halt Broadcast message fro

Re: Dynamicallhy Changing Linux Guest Network

2009-08-14 Thread Michael MacIsaac
Marcy, > have to change IPs and hostnames I can understand that you have to change IP addresses. But do you have to change hostnames? Maybe have a DNS system that maps the same hosts to new i...@s? ... just a thought ... "Mike MacIsaac"(845) 433-7061 ---

vmpoff=LOGOFF not working in RHEL 5.3?

2009-08-14 Thread Michael MacIsaac
Hi, Is anyone seeing the vmpoff=LOGOFF *not* working on RHEL 5.3? I add this parm to zipl.conf, run zipl and reboot. Then I do a shutdown (halt) from a 3270 session: # cat /proc/cmdline root=LABEL=/ vmpoff=LOGOFF BOOT_IMAGE=0 # halt halt Broadcast message from root (console) (Fri Aug 14 10:56:

Re: Problems with SLES 11 and LVM

2009-07-30 Thread Michael MacIsaac
John, > In SLES 11, can you still code dasd= in the kernel parameter line of zipl.conf? I have used it in SLES 11 and it appears to work. "Mike MacIsaac"(845) 433-7061 -- For LINUX-390 subscribe / signoff / archive access in

Re: chccwdev never returning on SLES 11

2009-07-28 Thread Michael MacIsaac
Mark, > I'd like to know where in the script it's hanging. Please do a "sh -x chccwdev" command. + BUSIDLIST=0.0.21b7 + '[' 0 -ne 0 ']' + '[' 0.0.21b7 = '' ']' + true + SAVEDATTRS=("${attrv...@]}") + for BUSID in '$BUSIDLIST' + SYSPATH=/sys/bus/ccw/devices/0.0.21b7 + '[' '!' -r /sys/bus/ccw/devic

Re: chccwdev never returning on SLES 11

2009-07-28 Thread Michael MacIsaac
Peter, Thanks for the info. > Are there any messages in the output of 'dmesg' that indicate > that device 21b7 may have a problem? gpok225:~ # dmesg | grep 21b7 dasd(eckd): 0.0.21b7: 3390/0C(CU:3990/01) Cyl:500 Head:15 Sec:224 dasd(eckd): 0.0.21b7: (4kB blks): 36kB at 48kB/trk compatible disk

Re: chccwdev never returning on SLES 11

2009-07-28 Thread Michael MacIsaac
Klaus, > Is it a LVM volume your trying to deactivate? > And are there any strange LVM related processes running? No and no. Christian, > Relevant-looking post from a Debian forum: > > http://www.mail-archive.com/debian-s...@lists.debian.org/msg02156.html Thanks for that - sounds similar, but i

Re: Adding dasd technique

2009-07-28 Thread Michael MacIsaac
Bobby, > swapgen macro in the profile exec for the server and the mkswap and swapon commands in rc.local If you're using SWAPGEN you don't need the mkswap and swapon. SWAPGEN makes the swap space. If you have it in /etc/fstab, as with any other swap space, it will be turned on as part of normal L

chccwdev never returning on SLES 11

2009-07-28 Thread Michael MacIsaac
Hello List, Has anyone seen the "chccwdev -d" command never return? Not only does it not return, but I can't kill it from another SSH session: gpok225:~ # ps -ef | grep chccwdev root 2901 2021 0 09:58 pts/000:00:00 /bin/sh /sbin/chccwdev -d 21b7 root 2943 2817 0 10:07 pts/1

Re: SLES10 SP2 question

2009-07-16 Thread Michael MacIsaac
Ray, > is there a way to change the root= parm to be something > rather less specific so that it will then boot in its new home? I have found it hard to rectify by hand. You might save time in the long run by reinstalling (if this is an option), and for every file system in the Expert Partitioner

Re: OT (was Re: RHEL 5.4 Beta is out in the wild)

2009-07-02 Thread Michael MacIsaac
Rob, > Maybe you could get a position at the ITSO as an editor and flag > the phrase "kill a daemon" I recently got a variable named "foo" edited out by an ITSO editor. Because everyone knows that foo is a variant of fubar which is an acronym with a *bad word* in it - "foo" might offend a reader.

Re: Updated paper available - "Sharing and maintaining SLES 10 SP2 Linux under z/VM"

2009-07-02 Thread Michael MacIsaac
Agblad, > Here comes some feedback. > It is a very good source for info in this matter, and explains a lot of stuff you need to know. Thanks! > I have read the previous ones and tried to implement it. > It was however tricky, most due to that reality changes (like: oops, we need more space on /op

Updated paper available - "Sharing and maintaining SLES 10 SP2 Linux under z/VM"

2009-07-01 Thread Michael MacIsaac
Hello everyone, I am please to announce an updated paper "Sharing and maintaining SLES 10 SP2 Linux under z/VM", and an associated tar file with scripts and configuration files. The paper is available on the Web at: http://linuxvm.org/present/misc/ro-root-S10.pdf The tar file is available at:

Re: Documentation on CMM-1 setup?

2009-06-29 Thread Michael MacIsaac
Patrick, > can someone kindly point me at any document describing > how to set up and configure cmm-1? We wrote about it in section 11.7 of the "z/VM and Linux on IBM System z The Virtualization Cookbook for SLES 10 SP2", SG24-7493, on the Web at http://www.redbooks.ibm.com/abstracts/sg247493.htm

Re: To SHARE or NOT ... that is the question(2)

2009-06-22 Thread Michael MacIsaac
> you can not share an FCP based file system the same way > it's possible to share (r/o) a 3390 based one What about EDEVs? Doesn't then an EDEV just look like any other disk with a 4 digit vaddr, except that it's FBA not ECKD? "Mike MacIsaac"(845) 433-7061 --

Re: To kick or to clone ... that is the question

2009-06-18 Thread Michael MacIsaac
Rick, > The RPM database is just one case. Where sharing of other filesystems > is in play, one can readily recreate the RPM database. > ... An idea: In the first install of the golden image, how about creating a small file system at /var/lib/rpm? You maintain RPMs, and thus the RPM database, on

Re: Access linux files from CMS

2009-03-19 Thread Michael MacIsaac
Bernard, > Would it be possible to execute another rexx exec to manipulate the linux files before issuing the ipl ? How about a bash script in the boot run level. See "Sharing and maintaining Linux under z/VM", REDP-4322, on the Web at http://www.redbooks.ibm.com/abstracts/redp4322.html It shows

Re: ganglia, libconfuse RPMs?

2009-03-17 Thread Michael MacIsaac
Brad, > RPMs are available in Fedora: COOL! Thanks. "Mike MacIsaac"(845) 433-7061 -- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or

ganglia, libconfuse RPMs?

2009-03-17 Thread Michael MacIsaac
Hello list, Has anyone looked into ganglia as an open source monitoring tool? Is there an RPM for it? I am told that libconfuse is a co-req, so I guess that RPM would also be needed. Any help will be appreciated. Thanks. "Mike MacIsaac"(845) 433-7061 --

Re: starting 'at the begining' to install linux on z/os

2009-03-13 Thread Michael MacIsaac
Hi, > I have a Z9 and a copy of SUSE. Now what? What would > be the best redbook or manual? I may be a bit biased, but a lot of people have used the Redbook "z/VM and Linux on IBM System z The Virtualization Cookbook for SLES 10 SP2", SG24-7493, on the Web at http://www.redbooks.ibm.com/abstracts

Re: How to determine which lpar a linux guest is hosted on ?

2009-02-19 Thread Michael MacIsaac
> From a Linux guest, how do I determine which LPAR the guest is on ? One way: # grep "LPAR Name:" /proc/sysinfo | awk '{print $3}' VM1 "Mike MacIsaac"(845) 433-7061 -- For LINUX-390 subscribe / signoff / archive access

Re: Any SLES11 Beta Testers Out There?

2009-02-13 Thread Michael MacIsaac
Mark, > Speaking of SLES11... I was recently asked if I knew of any SLES11 Beta testers for System z. > I said I didn't, so I thought I'd ask if anyone out there (aside from IBM folks) is testing. I wouldn't go as far as to say I'm (we're) testing, but we do have a copy of RC3 installed. We did

Re: Formatting 60 mod9s

2009-02-04 Thread Michael MacIsaac
Bobby, > I need to format 60 339-9 for use with a new Linux guest. > ... > unless there is a quicker way One approach: 1) add the minidisks to the user directory and put online (e.g. add 60 minidisks as 200-23C) 2) add the DASD range to zipl.conf (e.g.: dasd=100,101,200-23C) 3) run zipl 4) reboot

Re: LPAR to LPAR communication

2009-02-02 Thread Michael MacIsaac
Bernard, > I would like to be able to query the number of guests on another LPAR from a linux guest on a different LPAR. How about: ssh vmcp q n This assumes SSH communication is possible between the Linuxes and vmcp is installed and loaded. "Mike MacIsaac"(845) 433-7061 -

New paper: "Concocting 500 Virtual Linux Servers in Three Days"

2009-01-19 Thread Michael MacIsaac
Hello IBMVM and linux-390 lists, I was asked for help create 500 Linux servers on two LPARs for an internal performance test. With some help, we got this accomplished in three days. I thought it would be helpful to the community to write a paper on it. It's 22 pages - about 14 describing the proce

Re: Security question and using scp

2009-01-18 Thread Michael MacIsaac
Marcy, > Same rule here (if only some of these vendors (cough ibm/tivoli cough) would comprehend... ) I'm trying to comprehend, and will also try to bubble the message upwards in my small sphere of influence. So let me ask this to the list - what are the rules regarding key-based authenticat

Re: Security question and using scp

2009-01-18 Thread Michael MacIsaac
... sent this this AM - not sure where it went ... resending ... Marcy, > Same rule here (if only some of these vendors (cough ibm/tivoli cough) would comprehend... ) I'm trying to comprehend, and will also try to bubble the message upwards in my small sphere of influence. So let me ask thi

Re: SWAPGEN and PROFILE EXEC's

2009-01-16 Thread Michael MacIsaac
> I would rather control the VDISK sizes in the directory instead of having PROFILE EXEC Makes me wonder - can you pass parameters into PROFILE EXEC by setting the directory? e.g. "IPL CMS 300 524288 301 1048576"? Then use those parameters with SWAPGEN to make the correct vaddrs and swap space siz

Re: Adding dasd to LVM

2009-01-13 Thread Michael MacIsaac
Tom, >> The Redbook "z/VM and Linux on IBM System z The Virtualization > Cookbook for SLES 10 SP2" has a section "11.2 ... > It has the documentation for adding 2 volumes to a new logical > group and moving an existing directory structure to that group. Huh? Section 11.1 describes how to create a

Re: Losing IP connection on Virtual switch durin SLES10 installation

2009-01-07 Thread Michael MacIsaac
Jihad > here is a coy of the SLES10 PARM: Just looking quickly I see: > ramdisk_size=10016 The default shipped is "ramdisk_size=65536", I believe. I would stick with that. Also, did you do a "DEF STOR 512M" before installing, if by chance the default virtual machine size is smaller than this? Yo

tree command on RHEL but not on SLES?

2008-12-22 Thread Michael MacIsaac
Hello linux-390 listers, The tree command can be really useful. I thought it was on SLES a while back but might have been mistaken. On RHEL 5.2 I find it: # rpm -qf /usr/bin/tree tree-1.5.0-4 On SLES I see no sign of it on a system with most development tools RPMs. Nor do I see it in the RPM

Re: Clone SUSE 10

2008-12-18 Thread Michael MacIsaac
Mark, > If you really want to do cloning anyway, check out the Virtualization > Cookbook for SLES10 SP2: http://www.redbooks.ibm.com/abstracts/sg247493.html Yes, thanks. The cloning method described in the cookbooks makes a lot of assumptions about z/VM being the underlying hypervisor. However,

Re: sysadm interface for LINX

2008-11-13 Thread Michael MacIsaac
Rick, > The great thing about SMIT is that it reports the line-mode commands > which it uses. I totally agree with this. The "GUI" in a sense taught you line commands. And the second best thing about SMIT (not smitty) was that the little running dude would fall on his face when there was an error

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