Re: Sol-390 mailing list created to discuss OpenSolaris for System z
I thought that was going to be the Marketing arm of the Sirius Cybernetics Corporation. snip Too bloody many lawyers. First against the wall when the revolution comes. /snip Jon
Re: MAINTENANCE
This brings to mind a question I have had: how do y'all (as we way here) go about creating a second-level VM? Jon snip 1) create second level vm 2) apply maintenance 3) test 4) wait for maintenance window 5) backup system 6) apply maintenance 7) test snip
Re: MAINTENANCE
Thanks for the tips, folks. It's good to see some solid examples of how to insulate the host from the guest. I hope to get started on the 5.3 upgrade next week, if I can beat down the z/OS RSU apply this week. Busy times. Thanks, Jon
Re: different levels of CP and CMS after put2prod for z/VM 5.2
Must be the new TARDIS module. Jon So now you've applied maintenance next week! ;-)
Re: SERVICE install problem
Thanks, Mark. That helped a lot. (I was looking in the wrong manual before.) I *think* I have gotten past this. Now, on to the next problem. Thanks, Jon -Original Message- From: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED] Behalf Of Mark Pace Sent: Tuesday, April 17, 2007 1:36 PM To: IBMVM@LISTSERV.UARK.EDU Subject: Re: SERVICE install problem On 4/17/07, Jon Brock [EMAIL PROTECTED] wrote: Is there a way to terminate the first PTF apply process, or will I need to figure out how to manually apply the prereq PTF? Manual service really pretty straight forward. Look in the Service Guide - GC24-6117 -- Mark Pace Mainline Information Systems
SERVICE install problem
I have a bit of a chicken-and-egg problem regarding trying to use the automated SERVICE EXEC. I have a PTF I tried to put on using SERVICE, but the process failed since I do not have a prerequisite on. I have downloaded the prereq, but I can't put it on because SERVICE wants me to do a restart on the first PTF, but I can't restart the first PTF because the prereq is not on, but I can't put the prereq on because I need restart the first PTF, but I can't . . . Is there a way to terminate the first PTF apply process, or will I need to figure out how to manually apply the prereq PTF? Thanks, Jon
Re: TIMEZONE
You get my vote. Not that you need it, your Poohbah-ness, sir. Jon snip Once so elected I will issue a Grande Pooh-Bah Declaration that if it is wise to save daylight in the summer, it's even wiser to save it in winter - so we'll stay on Daylight Savings Time which will henceforth be known as Sir Mike Standard Time. So there! /snip
Re: IBM ServiceLink greenscreen to be discontinued March 31, 2007
Fascinating. snip http://www.pbs.org/cringely/pulpit/2006/pulpit_20060518_000897.html Tony H. /snip
Re: IBM ServiceLink greenscreen to be discontinued March 31, 2007
Heh. I had that album. Jon -Original Message- From: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED] Behalf Of Adam Thornton Sent: Thursday, January 04, 2007 10:53 AM To: IBMVM@LISTSERV.UARK.EDU Subject: Re: IBM ServiceLink greenscreen to be discontinued March 31, 2007 On Jan 4, 2007, at 7:56 AM, Alan Altmark wrote: (Wolf Creek Pass, way across the Great Divide, truckin' on down the other side). It's not every man who knows the OTHER hit of a one-hit wonder. Adam
Re: IBM ServiceLink greenscreen to be discontinued March 31, 2007
Nope. Can't say I have. Jon snip Have you ever tried Nehi and Onion Soup mix? /snip
Nobiity and not-quite-so-nobility
OK, so there I was taking a break while waiting on something and I started diddling around on the Web. After going through a maze of twisty passages, all alike, I came across this disturbing page: http://www2.marist.edu/~urmm/vm/index.html . Now, I can certainly understan bestowing such appellations as Sir Alan the Persevering,Sir Chuck the Wide Awake, and Dame Maryrita the Explicator, but Sir Rob the Plumber? And what's up with the shorts? And that shirt? Even I wouldn't wear that. Well, not often, anyway. Jon Earl of Brock
Re: Litotes?
One day maybe I'll learn that lesson. But not yet. Jon snip re: IBM-MAIN I have learnt not to open my mouth (keyboard) there, or on ASSEMBLER, but they do occasionally have fun OT threads. /snip
Fork returning EAGAIN
This may not be the correct place to ask this question, but Google isn't helping a ton and I can't bear the thought of posting into most other Linux fora, so I'm going to run this past you folks first. To cut to the chase, as part of an effort to figur out why we had trouble with a prof-of-concept application that ate every CPU cycle our IFL could give it, I have written a couple of small Ruby scripts as a stress-testing mechanism. The basic idea is: * Create a small test database on our problematic MySQL image. (Database = 100,000 rows, each of which has a numeric key and one field consisting of 30 random alphabetic characters.) this part is fine. * On another guest, fork a bunch of processes, each of which will read a random row from the database, generate another random 30-character string, and update the record. This procedure goes fine as long as I fork a few thousand processes. Once I reach 8500 or so, however, I start receiving this: Resource temporarily unavailable - fork(2) (Errno::EAGAIN) According to everything I can find, EAGAIN on fork(2) indicates that the system can not allocate sufficient memory to create the child process, but if I issue free -m while my stress test script is running I show plenty of available memory. Am I hitting a per-user process limit or some such? Any ideas? TIA, Jon
Re: Fork returning EAGAIN
My apologies. I intended to send this to the LINUX-390 list. Thanks, Jon -Original Message- From: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED] Behalf Of Jon Brock Sent: Friday, December 08, 2006 2:06 PM To: IBMVM@LISTSERV.UARK.EDU Subject: Fork returning EAGAIN This may not be the correct place to ask this question, but Google isn't helping a ton and I can't bear the thought of posting into most other Linux fora, so I'm going to run this past you folks first. To cut to the chase, as part of an effort to figur out why we had trouble with a prof-of-concept application that ate every CPU cycle our IFL could give it, I have written a couple of small Ruby scripts as a stress-testing mechanism. The basic idea is: * Create a small test database on our problematic MySQL image. (Database = 100,000 rows, each of which has a numeric key and one field consisting of 30 random alphabetic characters.) this part is fine. * On another guest, fork a bunch of processes, each of which will read a random row from the database, generate another random 30-character string, and update the record. This procedure goes fine as long as I fork a few thousand processes. Once I reach 8500 or so, however, I start receiving this: Resource temporarily unavailable - fork(2) (Errno::EAGAIN) According to everything I can find, EAGAIN on fork(2) indicates that the system can not allocate sufficient memory to create the child process, but if I issue free -m while my stress test script is running I show plenty of available memory. Am I hitting a per-user process limit or some such? Any ideas? TIA, Jon
Re: Fork returning EAGAIN
Yeah, that's where I thought I was sending it first. Had a slight brain-page fault. Jon snip :-) Everyone on the LINUX-390 list is gentle! /snip
Re: TAPEMAP source?
I think you can pick it up at the CBT Tape site: www.cbttape.org. Jon -Original Message-From: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED]On Behalf Of David BoyesSent: Wednesday, September 27, 2006 4:28 PMTo: IBMVM@LISTSERV.UARK.EDUSubject: TAPEMAP source? Does anyone happen to know the location of the current source for TAPEMAP (the incredibly useful tell me whats on this tape utility)? I seem to have misplaced my copy. David Boyes Sine Nomine Associates
Re: Performance Toolkit, browser graphics?
Make sure you are up to date on PTK maintenance. I could not use Firefox with it at all on my old maintenance level, but it works fine now that I'm reasonably current. Jon snip I couldn't get Firefox to connect to the IP address of PerfKit; maybe a http proxy issue. /snip
Re: DFDSS
We use FDR, but DFDSS should be able to do it with no problems. Just make sure to stop whichever guest you are backing up before you do your backup. Jon snip Anybody backing up VM volumes using this on z/OS? /snip
Re: LPAR Frozen with HIGH CPU
Speaking a relative VM newbie, what in the Wide, Wide World of Sports is a NDMBK? Thanks Jon snipOh, yeah, I had that one during share in march 2005. Lots of NDMBKs and things fell apart./snip
Re: LPAR Frozen with HIGH CPU
That is frequently the case. If we have problems, I have one compatriot who will search through Google in preference to IBMLink or manuals. She usually gets what she needs. Jon snip I saw that Kurt Acker beat me to it but I think it was interesting that I found it more easily by googling NDMBK rather than on the IBM website or a CD. /snip
Re: Stand Alone Dump to Disk
It isn't just thumb drives. Google for pod-slurping. Jon snip Just a short note to let folks on this list that a lot of I.T. security guys are beginning to view USB thumb drives as a security exposure. Many desktop PCs now have USB port located on the front of their cases, making it fairly unobtrusive to plug a thumb drive in, and walk out with a hard disk's worth of information. /snip
Re: Programmable Operator: The epic conclusion
Tomangle Terry Pratchett, a one-in-a-million-chance will come through nine times out of ten. Jon snip I have an entry in the RTABLE to look for NOT in positions 10 thru 13. The last three letters of the file name just so happen to be in 10 thru 13. What are the chances? /snip
Re: New mainframe redbook
Rabbit season! Manager season! Rabbit season! Manager season! Shoot! Shoot! BANG! Jon snip IT managers generally run about 30-35 cents a pound, and about 12 miles per hour, top speed. They're usually in season from August through October, with the young ones appearing in April or May. The bag limit is 2: one in each hand - that's all they can carry. /snip
Re: z/VM v5.2 - Common Criteria - Order Questions
The problem is not grammatical; it is that the reference is to a quote from a movie -- Highlander, maybe? -- and Alan posted the corrected quote. Jon snip On Friday, 07/14/2006 at 09:56 AST, Nick Laflamme [EMAIL PROTECTED] wrote: Adam Thornton wrote: On Jul 13, 2006, at 9:43 PM, Alan Altmark wrote: Alan Altmark Lead Security Weasel David? Can that be *my* job title? There can only be one. (sigh) There can be only one. Alan Now that reminds me of Mr Gilmore's postings on the Assembler list. Please explain the difference for the gramatically challenged? /snip
Re: Linux mainframe game machine....
I still used those words at times, when I need to make a file name or something unique. I also sometimes use a phrase taken from a successor to Adventure (NEWADV): I have neither the tools nor the expertise. Jon snip That was the one with the cave and the secret words (XYZZY and PLUGH) /snip
Do I owe anybody anything?
Rich Smrcina's note about the new Hobbit client for z/VM reminds me of something I have been meaning to ask for a while now: Do I owe anybody anything? Code? An email reply? A smack upside (if that's a word) the head? 2006 has not been such a hot year so far, and I fear I may have lost track of a lot of stuff. If I owe you something, I'm not ignoring you. I'm just overwhelmed. And no, don't try convincing me I owe you cash. I'm not *that* clueless. :) Thanks, Jon
Re: Technology Breakthrough
I gotta get me some of dat. How in Heaven's name did that guy even memorize the script? I wouldn't even be able to read that stuff off a teleprompter with that much aplomb. Jon
Re: OT: And now, a note from our moderator regarding Acronym Silliness
Hmmm. Fromt he article: "The faults of youth are retained along with the virtues, he believes. These include short attention span, sensation and novelty-seeking, short cycles of arbitrary fashion and a sense of cultural shallowness." Ha! That's ridicu- oh, hey, check it out --a foam-rubber penguin! . . . Where werewe? Jon snip http://dsc.discovery.com/news/2006/06/23/immature_hum.html?category=humanguid=20060623110030/snip
Re: Can not snapshot volume on zOS
Just to let folks know the outcome of my problem of a couple of weeks ago wherein I could not snapshot on z/OS a VM/Linux volume, I used CPFMTXA to format 0,0 as Richard mentioned and now everything seems to work. At any rate, I can snap it and back it up. Thanks, Jon snip If it contains the user directory, it should have a minimal VTOC. An ICKDSF FORMAT CPVOL (or simply a CPFMTXA) should place a 2 or 3 record VTOC immediately following the volume label (which is at cyl 0, track 0, record 3). Can you do a DDR TYPE or PRINT of that track to see what is really there? Regards, Richard Schuh /snip
Re: zVM Performance Toolkit newbie...
Title: zVM Performance Toolkit newbie... I haven't read the install guide, so I can't comment on much of it. I can at least answer a couple of your questions, though. There is a disconnected machine (call PERFSVM on our system) that does the collecting. No, you don't need a physical terminal dedicated to it. Jon snip Maybe it's just me, but the manual for the zVM Performance Toolkit seems overly vague as to just where it is supposed to be running and how to set it up. Is it really intended to run on the system operator's userid? I get that impression, but it never really comes out and says that. Is there a disconnected machine that collects the monitor data, or do I actually have to have a physical terminal attached and dedicated to it 24/7? The manual comes just short of telling you how to actually set it up, teasing at times with small amounts of vague data, but never really telling you anything useful.
Re: Upgrading zVM 5.1 to 5.2
Thanks for the reply, Alan. I have reordered z/VM 5.2 (I think). I am sure I will have loads more questions when it gets here and I get a chance to work on it. And my favorite editor is probably Gene Weingarten, although I think he's a columnist now. Thanks, Jon snip It's worth pointing out that there is nothing that upgrades your 5.1 system to a 5.2 system, per se. Rather, you perform a fresh 5.2 install on another set of packs and either bring your 5.1 configuration to your 5.2 system (implemented by the 5.2 migration utilitites), or you take the 5.2 components over to your 5.1 system. The 5.2 version of the Automated Installation book comes when you order the z/VM 5.2 product (not service). (And I would rather discuss the subjective nature of reality, religion, global warming, sex education in public schools, stem cell research, the influence of math on science and engineering, conservative vs. liberal politics, and, if pushed to the limit of discretion, even which text editior is the best, before talking about which of those two migration philosophies is best. But, everyone, PLEASE don't use this post as an excuse to talk about your fave editor!) /snip
Can not snapshot volume on zOS
I have another little issue that has cropped up. My normal backup procedure for right now is to vary the DASD online to z/OS, then use FDR/Instant to snapshot them and back them up. I have created a new guest and loaded RHEL onto it. I can back up all of the volumes except for one; the snapshot for that one fails with a message I/O ERROR READING THE VTOC. No snapshot means no backup. This volume is part of a volume group that contains the /usr directory. Is there a way I could recreate a VTOC on this volume without having to redo the logical volume? Thanks, Jon
Re: Moving a guest to new DASD
When you say a DDR restore, did you back up the guests and then restore them, or did you simply do a disk-to-disk copy, which is what I was planning on doing? Thanks, Jon snip I have been successful in using DDR to copy the volumes. The one big step that I originally over looked was to format the new volumes before the DDR restore. I have just finished copying two LINUX guests to a new storage array and it is now in production. /snip
Upgrading zVM 5.1 to 5.2
OK, I have ordered service to upgrade our z/VM from 5.1 to 5.2. (At least, I think I have. I got two 3480 cartridges containing UM97520.) I don't see a 5.2 version of the "Guide for Automated Installation and Service." I'm assuming I should use the one for 5.1. After all, I'm actually applying the service to a 5.1 system anyway. Besides, the 5.1 and 5.2 manualsshould be pretty much identical, right? Thanks, Jon
Re: Water cooling -- was: (off topic) sump pump
Yep. Came close to doing it myself. Jon snip Gamers have been water cooling over clocked Intel and AMD cpus for quite some time. /snip
Re: shutting down a linux guest on VM problem
IIRC, you also have to make sure that you have set up inittab to handle the signals propagated to Linux by VM. Something like: ca::ctrlaltdel:/sbin/shutdown -h now Could that be the culprit? Jon snip We are Suse9 sp3+(2.6...252) This should *definitely* handle signals! Did SuSE turn this OFF in their kernel, for reasons unknown? Anyone got any light to shed? Something else is wrong, I suspect. /snip
