Re: Remember

2012-06-13 Thread Mike Hammock
Nope, actually a P/390 evolution. Think P/390 with a emulator for the processor instead of a hardware processor. it is purely an IBM development (although there are some similarities with FLEX-ES). As to cost, it depends... For ISVs, it is generally a little less than FLEX-ES systems. For RD&T

Re: zLinux, IBM XIV, thin provisioning

2012-06-13 Thread Grzegorz Powiedziuk
2012/6/13 Mark Post > > > Those are not the same two mount points. > /mnt/thin_test_btrfs > /mnt/thin_test_xfs > > > Mark Post > > Ah, but it is just a copy and paste error. I get the same error on both filesystems (xfs and btrfs) d2ora000:~ # fstrim /mnt/thin_test_btrfs/ fstrim: /mnt/thin_test_

Re: LGR & IPL CMS

2012-06-13 Thread Dave Jones
Hi, Mark. What does IPL-ing CMS first in a Linux guest to do some setup housework, building a swap VDSIK in this case, have to do with LGR? Once Linux is up and running in the guest, what would prevent it from being moved? I guess I don't understand your question? DJ On 06/13/2012 12:59 PM, Mar

Re: Remember

2012-06-13 Thread Carlos Bodra - Pessoal
There is a zPDT software licenses that runs in a notebook or intel. It´s priced for devenlopers. https://www-304.ibm.com/partnerworld/wps/servlet/ContentHandler/pw_com_zpdt Em 13/06/2012 15:02, Ron Wells escreveu: Anyone remember P390 ?? Is there something that does something similar today ..

Re: zLinux, IBM XIV, thin provisioning

2012-06-13 Thread Mark Post
>>> On 6/13/2012 at 06:50 PM, Grzegorz Powiedziuk >>> wrote: > /dev/mapper/20017380062aa0048_part1 on /mnt/thin_test_btrfs type btrfs (rw) > > d2ora000:/var/log # fstrim /mnt/thin_test_xfs/ > fstrim: /mnt/thin_test_xfs/: FITRIM ioctl failed: Operation not supported Those are not the same two

Re: zLinux, IBM XIV, thin provisioning

2012-06-13 Thread David Boyes
> Unfortunately no luck here either. I've mounted XFS filesystem with discard > option but it doesn't look like it is doing anything. I've created 2 files > with > zeros on this fs (100% used space) and than after a while removed them. > XIV claims that this volume is full in 100% and doesn't lo

Re: Remember

2012-06-13 Thread Alan Altmark
On Wednesday, 06/13/2012 at 02:15 EDT, Ron Wells wrote: > Anyone remember P390 ?? > > Is there something that does something similar today .. > > To have development/programmers do development for z/OS DB2 CICS...so on.. IBM Rational Development and Test Environment for System z http://www.ibm.c

Non-distribution provided tools

2012-06-13 Thread Mark Post
Cross-posted to Linux-390 and IBMVM All, I'm developing some internal education on System z for people that don't have that background. I would like to include a section on tools that a lot of customers use that they get from somewhere other than SUSE. The first example that comes to mind is

Re: zLinux, IBM XIV, thin provisioning

2012-06-13 Thread Mark Post
>>> On 6/12/2012 at 09:46 PM, Grzegorz Powiedziuk >>> wrote: > Hi, I am trying to figure out what is best setup for us. We would like to > use thin provisioning which is available on XIV (on our FCP LUNs). > Unfortunately it does not work very good with ext3 file system. To reclaim > some space

Re: LGR & IPL CMS

2012-06-13 Thread David Boyes
> Currently all of my linux guests IPL CMS to create VDISK swap disks and > signatures. For a linux to work with LGR it must IPL from a device or NSS so > no CMS if I want to LGR. I've been doing it this way for so long I'm unsure > of > how I would create the swap signature in my VDISKs without

Re: zLinux, IBM XIV, thin provisioning

2012-06-13 Thread Grzegorz Powiedziuk
2012/6/13 Mark Post > > Look at the btrfs file system, and the fstrim command from the util-linux > package. > > > Mark Post > It looks like something is not supported : /dev/mapper/20017380062aa0048_part1 on /mnt/thin_test_btrfs type btrfs (rw) d2ora000:/var/log # fstrim /mnt/thin_test_xfs/

Re: SWAPGEN problem after upgrade to SP2 on SLES-11

2012-06-13 Thread Mark Post
I dumped the contents of the swap spaces, at 100K 512 byte sectors and at 200K 512 byte sectors, using both SWAPGEN and mkswap to create them. The differences in output is interesting, but I can't say I know what they mean. --- swapgen.100k.hexdump2012-06-13 18:38:12.0 -0400 +++

Re: Remember

2012-06-13 Thread Dave Jones
Hi, Ron. I believe P390 boxes are still alive and kicking at a number of small mainframe sites around the world.. IBM now offers a small system just for development work called the zPDT...I think the PDT stands for Personal Development Tool. You can read all about it here: https://www-304.ib

Re: LGR & IPL CMS

2012-06-13 Thread Michael MacIsaac
Mark, > For a linux to work with LGR it must IPL from a device or NSS > so no CMS if I want to LGR. The Cloud Computing Cookbook, http://www.vm.ibm.com/devpages/mikemac/CKB-VM62.PDF shows how to IPL CMS, create VDISKs, IPL Linux and still do LGRs. The CMS disks are simply detached when Linux star

Re: SWAPGEN problem after upgrade to SP2 on SLES-11

2012-06-13 Thread Dave Jones
Thanks for the suggestion, Mark. To partition or not to partition; that is the question;-) I also have another change that would remove the requirement for having the RXDASD package available as well. If we do need to make a change to SWAPGEN, I'll see about adding that in as well. DJ On 06/

Re: zLinux, IBM XIV, thin provisioning

2012-06-13 Thread David Boyes
> But anyway, my xfs (rw,discard) partition, according to XIV is still fully > occupied. So it didn't reclaim even one block during last few hours. (it > can reclaim from ext3 and jfs but vry slowly) > > Hmm. Weird. I'll go poke at the borrowed XIV we have to see if there's > > some setting

Re: Remember

2012-06-13 Thread Mike Hammock
That used to be the case Steve, but not any more. zPDT (the package you are thinking of) is now available to any company with a System z mainframe but it is limited to development and testing only. (Thus the name "Rational Develop & Test", RD&T). Licensing for RD&T is somewhat complex (as for al

Re: Remember

2012-06-13 Thread John Campbell
Billy R. Bingham wrote: > It's called the zPDT. Go to this sie for more > information: > > http://www.p390.com/zpdt.htm This looks like a FLEX/ES evolution. I don't even want to think about how much it must cost. -soup -- John R. Campbell         Speaker to Machines          souperb at gmail d

Re: zLinux, IBM XIV, thin provisioning

2012-06-13 Thread Grzegorz Powiedziuk
2012/6/13 David Boyes > > What microcode version is your XIV running? According to the hw guys, our > box got a recent ucode update, but they didn't record the previous level. > 8-(. > > I think it is one of the most current one : Version 11.0.1.a ---

Re: SWAPGEN problem after upgrade to SP2 on SLES-11

2012-06-13 Thread Mark Post
Further investigation reveals that the problem is size-related (somehow). If I use this command: swapgen 300 10 (diag the the swapon command fails. (And I do mean fails, and not just seemingly so. No swap is added.) If I use this command: swapgen 300 20 (diag Then the swapon command w

Re: LGR & IPL CMS

2012-06-13 Thread O'Brien, Dennis L
>> Currently all of my linux guests IPL CMS to create VDISK swap disks and >> signatures. For a linux to work with LGR it must IPL from a device or NSS so >> no CMS if I want to LGR. I've been doing it this way for so long I'm unsure >> of >> how I would create the swap signature in my VDISKs wi

Re: SWAPGEN problem after upgrade to SP2 on SLES-11

2012-06-13 Thread Mark Post
>>> On 6/13/2012 at 05:50 PM, Mark Post wrote: > On SLES11 SP1, "swapon -v" shows the same complaint as on SP2, but the swap > space is added anyway. It turns out that on SLES11 SP2, the swap space also gets added, in spite of the message. So it appears that the difference between SP1 and SP2

Re: SWAPGEN problem after upgrade to SP2 on SLES-11

2012-06-13 Thread Mark Post
>>> On 6/13/2012 at 05:02 PM, David Boyes wrote: > We're looking at it too. More if we find something. If modifications become necessary (for whatever reason), it might be a good idea to change something else as well. For DIAG, SWAPGEN puts the swap signature at the beginning of the first p

Re: SWAPGEN problem after upgrade to SP2 on SLES-11

2012-06-13 Thread Mark Post
Interesting. On SLES10 SP4 and SLES11 SP1 the swapon command works without complaint. On SLES10 SP4, the "swap -v" command doesn't produce any more output than without the -v. On SLES11 SP1, "swapon -v" shows the same complaint as on SP2, but the swap space is added anyway. On SLES11 SP2, us

Re: zLinux, IBM XIV, thin provisioning

2012-06-13 Thread Grzegorz Powiedziuk
Thanks! I appreciate that! I've done some research and it looks like Veritas is doing WRITE SAME + UNMAP operation to unmap unused blocks. But this can work only if logical block provisioning: lbpme=1. And in my case it is "0" : d2ora000:~ # sg_readcap -16 /dev/sda Read Capacity results: Prot

Re: SWAPGEN problem after upgrade to SP2 on SLES-11

2012-06-13 Thread Michael MacIsaac
Aria, I ran into this writing the last cookbook. I found this e-mail when someone in Boeb. debugged it: I tried to compare the messages from the two scenarios (with and without SWPAGEN). This is what I found. With SWAPGEN the amount of swap space detected by Linux is as follows: Adding 2

Re: SWAPGEN problem after upgrade to SP2 on SLES-11

2012-06-13 Thread Mark Post
>>> On 6/13/2012 at 04:43 PM, Dave Jones wrote: > Yes, Rich Smrcina has reported this problem as well. To the best of my > knowledge, the 2008-04-16 version of SWAPGEN is the latest. If the fix > for this problem has already been discovered, please let me know so I > can add it into the "official

Re: LGR & IPL CMS

2012-06-13 Thread Marcy Cortes
We do #2 and LGR works great. Like this: /* if disconnected, then just start linux */ if disco == 'DISCONNECTED' then do queue 'CP DET 190' queue 'CP DET 19E'

Re: Remember

2012-06-13 Thread Gentry, Steve
To my knowledge there is no product currently marketed by IBM to enterprises, etc. IBM does have a product that is available only to ISV. I think you have to make a case for the box initially and then it's renewed on an annual basis. I read about this last week, kept the documentation but can't fin

Re: SWAPGEN problem after upgrade to SP2 on SLES-11

2012-06-13 Thread David Boyes
> Due to kernel rebase of SLES11 SP2 we found that few of the tools that > earlier worked with > SLES11 SP2 (2.6.32 based kernels) had to be modified so that they work with > 3.x kernels. > SWAPGEN might as well be another such example which might need > modification to work with 3.x based kernels.

Re: LGR & IPL CMS

2012-06-13 Thread Alan Altmark
On Wednesday, 06/13/2012 at 02:55 EDT, Mark Post wrote: > >>> On 6/13/2012 at 01:59 PM, Mark Pace wrote: > > Currently all of my linux guests IPL CMS to create VDISK swap disks and > > signatures. For a linux to work with LGR it must IPL from a device or NSS > > so no CMS if I want to LGR. > > T

Re: SWAPGEN problem after upgrade to SP2 on SLES-11

2012-06-13 Thread Dave Jones
Hi, Mike. Yes, Rich Smrcina has reported this problem as well. To the best of my knowledge, the 2008-04-16 version of SWAPGEN is the latest. If the fix for this problem has already been discovered, please let me know so I can add it into the "official" SWAPGEN distribution code at SNA. Thanks. D

Re: Remember

2012-06-13 Thread Richard J Moore
Yes - I still boot mine. - - Richard J Moore - FIET, FBCS, CEng, CITP Z processor millicode development Member of the IBM Academy of Technology http://www-03.ibm.com/ibm/academy/index.html http://uk.linkedin.com/pub/richard-j-moore-fiet-fbcs-ceng-citp/4/4b1/748 MOBEX: 37264807; Mobile (+44) (0)773

Re: Remember

2012-06-13 Thread Paul Dembry
Anyone remember P390 ?? I have one in the corner of our machine room. Every time I start it up, people think there's a jet landing on the roof. Paul -- For LINUX-390 subscribe / signoff / archive access instructions, send email

Re: LGR & IPL CMS

2012-06-13 Thread Mark Pace
I was being stupid, overlooking the fact that I could DETACH all the CMS minidisks in my EXEC. I work on to many OSes at once. I can't keep straight what I am working on 1 min to the next. It's like starting to write code in one language and mid-way through start writing in a different language,

Re: SWAPGEN problem after upgrade to SP2 on SLES-11

2012-06-13 Thread Mauro Souza
I've seen this on SLES11-SP2 too... And I saw some other issues with SP2, like not arp-ing when bringing a interface online, and hanging the ssh terminal on exit... I've solved the problem with a script, running after all services. The script does the mkswap and swapon on them. And works. Mauro h

Re: LGR & IPL CMS

2012-06-13 Thread Mark Post
>>> On 6/13/2012 at 02:57 PM, Marcy Cortes >>> wrote: > We've always done it in /etc/init.d/boot.local. That way we are safe from > whatever changes Linux might make... What kind of changes? Mark Post -- For LINUX-390 sub

Re: SWAPGEN problem after upgrade to SP2 on SLES-11

2012-06-13 Thread Mark Post
>>> On 6/13/2012 at 02:35 PM, Aria Bamdad wrote: > swapon on /dev/dasdc1 > > swapon: /dev/dasdc1: found swap signature: version 1, page-size 4, same byte > order > > swapon: /dev/dasdc1: pagesize=4096, swapsize=66547712, devsize=66547200 > > swapon: /dev/dasdc1: last_page 0x03f77000 is larger

Re: LGR & IPL CMS

2012-06-13 Thread Mark Pace
Thanks, Marcy - that was the kick in the head i needed to recall that was how I did it before SWAPGEN. On Wed, Jun 13, 2012 at 2:57 PM, Marcy Cortes wrote: > We've always done it in /etc/init.d/boot.local. That way we are safe > from whatever changes Linux might make... > > Like this > > /sbin

Re: LGR & IPL CMS

2012-06-13 Thread O'Brien, Dennis L
>Currently all of my linux guests IPL CMS to create VDISK swap disks and >signatures. For a linux to work with LGR it must IPL from a device or NSS >so no CMS if I want to LGR. I've been doing it this way for so long I'm >unsure of how I would create the swap signature in my VDISKs without IPLing

Re: Remember

2012-06-13 Thread Mike Hammock
Absolutely! And it is a descendent of the P390. Check out zPDT (System z Personal Development tool: for ISVs developing software to sell) and RD&T (Rational Develop and Test: for "in-house" developers who want to get off the primary/production System z. ) Take a look at http://www.p390.com/up

Re: LGR & IPL CMS

2012-06-13 Thread Mark Post
>>> On 6/13/2012 at 01:59 PM, Mark Pace wrote: > Currently all of my linux guests IPL CMS to create VDISK swap disks and > signatures. For a linux to work with LGR it must IPL from a device or NSS > so no CMS if I want to LGR. That doesn't sound right to me. After the Linux guest IPLs itself (

Re: LGR & IPL CMS

2012-06-13 Thread Marcy Cortes
We've always done it in /etc/init.d/boot.local. That way we are safe from whatever changes Linux might make... Like this /sbin/mkswap /dev/disk/by-path/ccw-0.0.ff00-part1 /sbin/mkswap /dev/disk/by-path/ccw-0.0.ff01-part1 /sbin/mkswap /dev/disk/by-path/ccw-0.0.ff02-part1 /sbin/mkswap /dev/disk/

Re: LGR & IPL CMS

2012-06-13 Thread Mark Pace
Thanks, Alan. I guess for simplicities sake just detaching all the minidisks associated with CMS just before IPLing the Liunx system is the easiest solution. On Wed, Jun 13, 2012 at 2:18 PM, Alan Altmark wrote: > On Wednesday, 06/13/2012 at 02:09 EDT, Mark Pace > wrote: > > Currently all of my l

SWAPGEN problem after upgrade to SP2 on SLES-11

2012-06-13 Thread Aria Bamdad
Hi, I have found a problem with SWAPGEN once I upgraded to SLES11-sp2. I have no problem with it working on previous including SP1) versions of SLES but once I upgraded to SP2, I start seeing the following message at Linux boot: Swap area shorter than signature indicates Needless to say, t

Re: Remember

2012-06-13 Thread Rob van der Heij
On Wed, Jun 13, 2012 at 8:02 PM, Ron Wells wrote: > Anyone remember P390 ?? What do you mean "remember" :-) q cpuid CPUID = FF007490 Ready; T=0.01/0.01 19:27:57 q cplevel z/VM Version 3 Release 1.0, service level 0501 (32-bit) Generated at 11/04/05 20:09:12 CET IPL at 05/05/12 13:26:17

Re: LGR & IPL CMS

2012-06-13 Thread Robert J Brenneman
I relocate my Linux systems and I IPL CMS by default so I can use SWAPGEN too - what is the actual error message you're getting when you attempt to relocate ? -- Jay Brenneman -- For LINUX-390 subscribe / signoff / archive access

Re: LGR & IPL CMS

2012-06-13 Thread Alan Altmark
On Wednesday, 06/13/2012 at 02:09 EDT, Mark Pace wrote: > Currently all of my linux guests IPL CMS to create VDISK swap disks and > signatures. For a linux to work with LGR it must IPL from a device or NSS > so no CMS if I want to LGR. I've been doing it this way for so long I'm > unsure of how

Re: Remember

2012-06-13 Thread Billy R. Bingham
It's called the zPDT. Go to this sie for more information: http://www.p390.com/zpdt.htm Billy On 13 Jun 2012 at 13:02, Ron Wells wrote: > Anyone remember P390 ?? > > Is there something that does something similar today .. > > To have development/programmers do development for z/OS DB2 CICS...s

Remember

2012-06-13 Thread Ron Wells
Anyone remember P390 ?? Is there something that does something similar today .. To have development/programmers do development for z/OS DB2 CICS...so on.. -- Email Disclaimer This E-mail contains confidential information be

LGR & IPL CMS

2012-06-13 Thread Mark Pace
Currently all of my linux guests IPL CMS to create VDISK swap disks and signatures. For a linux to work with LGR it must IPL from a device or NSS so no CMS if I want to LGR. I've been doing it this way for so long I'm unsure of how I would create the swap signature in my VDISKs without IPLing CMS

Re: zLinux, IBM XIV, thin provisioning

2012-06-13 Thread Grzegorz Powiedziuk
2012/6/13 David Boyes > ... > > Try xfs. XFS seems to play nice with the XIVs. > ... > Thanks David. Unfortunately no luck here either. I've mounted XFS filesystem with discard option but it doesn't look like it is doing anything. I've created 2 files with zeros on this fs (100% used space) and

Re: Adding an additional network to z/VM and zLinux

2012-06-13 Thread David Boyes
> Hi David, the TSM server is outside the z/VM system. We connect (2 X OSA) > from the Mainframe to the TSM (Nexus) switch which is layer 2 and the > TSM server is also connected to this switch. > I tried adding an explicit route by creating a route-eth0 file in > /etc/sysconfig/network-scripts and

Re: zLinux, IBM XIV, thin provisioning

2012-06-13 Thread David Boyes
> Hi, I am trying to figure out what is best setup for us. We would like to use > thin provisioning which is available on XIV (on our FCP LUNs). > Unfortunately it does not work very good with ext3 file system. To reclaim > some space I have to "zero out" free space first (after removing files) an

Re: Adding an additional network to z/VM and zLinux

2012-06-13 Thread Hamiel, D. (Daniel)
Hi David, the TSM server is outside the z/VM system. We connect (2 X OSA) from the Mainframe to the TSM (Nexus) switch which is layer 2 and the TSM server is also connected to this switch. I tried adding an explicit route by creating a route-eth0 file in /etc/sysconfig/network-scripts and this s