Re: LCS drivers for 2.4.9 ?

2001-12-26 Thread Jim Sibley
I'm not speaking IBM as a corporation, just expressing my own observations. As IBM supplies the great bulk of its S/390 modifications as source patches, including CKD dasd, I don't see OCO for OSA cards as a Linux issue, per se, nor an open source issue. Rather, QDIO is a hardware feature, for

Making File system for SuSE 2.4, formated in compatibility mode

2002-01-02 Thread Jim Sibley
Under SuSE slse7, I can format a volume with a VTOC with the command: dasdfmt -b 4096 -l SIBLEY -d cdl -v -p -f /dev/dasdg However, when I try a mke2fs on the pack mke2fs -b 4096 /dev/dasdg1 it fails with the message: mke2fs: Device size seems to be zero. . Do I need some

Lpar tape IPL and QDIO for 2.4.7

2002-01-14 Thread Jim Sibley
With the new portname requirement for OSA Express QDIO cards, has anyone tried ipling a 2.4.7 install tape in an lpar and use QDIO? I was wondering how this would work since, under 2.4.7, the portname is entered on a separate card (addparm). In 2.2.16, QDIO is on a single parameter line.

Re: /proc/dasd/devices

2002-01-14 Thread Jim Sibley
Rob van der Heij I notice a few inconsistencies in the dynamic attach/detach ... Out of curiosity, which distribution are you working from? Regards, Jim Linux S/390-zSeries Support, SEEL, IBM Silicon Valley Labs t/l 543-4021, 408-463-4021, [EMAIL PROTECTED] ** Grace Happens **

Re: Sharing an OSA-E

2002-01-23 Thread Jim Sibley
David Boyes wrote: 2) During migration to the best way; Can my current LINUX image share the OSA-E with zVM? And, if yes, how? I can't seem to find an example of sharing a OSA-E in the books. I have seen the warnings about the need for both OS to specify portname. But,

Re: getting GB ethernet working with SLES 7

2002-01-29 Thread Jim Sibley
John Taylor wrote: What I don't know is how to manually concoct an insmod qeth command so as to get this working. insmod qeth qeth_options=noatuo,0xee00,0xee01,0xee02,portname:OSA1 add_parms,0x10,0xee00,0xee02,portname:OSA1 (Note where upper case is used - only the portname - assuming there

Re: getting GB ethernet working with SLES 7

2002-01-30 Thread Jim Sibley
Ooops, sorrty. The portname should only be on the addparms statement and it is two lines. Jim, I'm guessing that the command below is all on one line (though it seems curious to specify the portname twice). The response I get is invalid parm_qeth_options, any other thoughts greatly appreciated.

Re: got GB-ethernet working! was getting GB ethernet working wit h SLES 7

2002-01-30 Thread Jim Sibley
Mark Post wrote: Hmm. You need to spend a few minutes learning some basic vi commands. Creating .conf files with echo is certainly feasible, but not very desirable! If you're trying to get the network up and you have to work from the HMC, you're stuck with echo, ex, or sed, and then only if

Tuning TCP/IP for high volumes of traffic

2002-02-07 Thread Jim Sibley
I am trying to find out how fast I can push several OSA GBX cards under SuSE 2.2.16. I have been able to double the FTP rate by changing the MTU size to 9000. This also benefits my 4k transaction processing. What other parameters can I adjust in TCP/IP to reduce delays and increase buffer sizes.

rawio on z/series

2002-04-29 Thread Jim Sibley
Has anyone tried RAWIO on z/Series Linux (either 2.2.16 or 2.4.7)? Any hints? Regards, Jim Linux S/390-zSeries Support, SEEL, IBM Silicon Valley Labs t/l 543-4021, 408-463-4021, [EMAIL PROTECTED] *** Grace Happens ***

coding hipersockets and OSA cards in a single LPAR

2002-05-15 Thread Jim Sibley
FYI,as I know it will come up eventually in this forum, so I've included an example: The system is 2.4.7, SuSE GA (10/30/01 kernel) I have a hipersocket connection, 2 OSA GB express, and 1 OSA FEX installed on my zSeries in 3 LPARS. To get them all working at the same time, I coded the

Re: Anyone know how to take your LVM with you?

2002-05-16 Thread Jim Sibley
Steve Arden wrote: Does anyone know how to move Logical Volumes from one Linux guest to another? I haven't tried 2.2.16 to 2.4.7, but I have moved LVM between LPAR systems. 1) on the new system, do a vgscan to locate all the LVM volumes 2) activate the volume groups with vgchange -a y vgname

Re: Max # of files

2002-05-16 Thread Jim Sibley
Under 2.4.7, you can use the sysctl command to interrogate and set many kernel variables, including max files sysctl -a | less to see the variables sysctl -w fs.file-max=16834 to increase the maximum number Regards, Jim Linux S/390-zSeries Support, SEEL, IBM Silicon Valley Labs

United Linux Website

2002-05-31 Thread Jim Sibley
The UnitedLinux Website is at http://unitedlinux.com/ Regards, Jim Linux S/390-zSeries Support, SEEL, IBM Silicon Valley Labs t/l 543-4021, 408-463-4021, [EMAIL PROTECTED] *** Grace Happens ***

Unbalanced use of swap spaces

2002-07-15 Thread Jim Sibley
We are running some database runs which overcommit memory. One of the things I've noticed is that, with mulitple swap volumes, it does NOT spread the load, but fills up the first swap volume, then the second and so forth. The result during heavy paging is then a bottleneck against the fullest

Re: Unbalanced use of swap spaces

2002-07-16 Thread Jim Sibley
To my question: Shouldn't the paging algorithm spread the I/O across all of the swap devices available to balance the load? Willem Konynenberg replied: When you didn't explicitly specify a priority for each swap volume, the system automatically assigned priorities in descending order. If you

Re: Linux data on IBM RVA

2002-07-16 Thread Jim Sibley
Rob van der Heij wrote: What we came up with is to run a job now and then that files most of the unused space with a single big file that is easy to compress (e.g. all blanks) and then remove that file again. I was told this did help SFS a lot. I can confirm what Rob is seeing for Linux. On an

bdflush in an lpar

2002-09-23 Thread Jim Sibley
Has anyone looked at good parameters for bdflush for 2.4.7 and 2.4.17? The defaults seem to leave a lot to be desired.

Re: reiserfs for 3390-3 parameters

2002-09-27 Thread Jim Sibley
I've found my problem. It seems that if JFS is compiled in the kernel, there is some interference with reiserfs. The correct parameters with the default SuSE kernel is mkreiserfs /dev/dasdx1:) FYI -mkreiserfs, 2001- reiserfsprogs 3.x.0k-pre8 12799k will be used

BDFLUSH and disk corruption

2002-09-27 Thread Jim Sibley
Recently, I asked if anyone had any good values for BDFLUSH. The reason I as is that the default values that come with SuSE appear to be patently absurd for large memories. release%cache dirty%bdflush async 2.4.7 30 60 2.4.17 40 60 As I understand it,

Changing system values at boot.

2002-09-27 Thread Jim Sibley
I would like to change certain system values at boot. I've put a simple bash script in /etc/init.d/mytest and linked to it in /etc/init.d/rc3 ln -s ../mytest S99mytest and I've run /usr/lib/lsb/install_initd /etc/init.d/mytest but the oritinal values persist after boot. The script makes a

What does Inact_dirty mean

2002-09-27 Thread Jim Sibley
When you cat /proc/meminfo, there is a value, Inact_dirty. Even in an inactivity system immediately after a sync it shows a large value (76MB, for example). Shouldn't this value be near zero? Inact_clean shows a value of 0. Shouldn't this value be very large?

Re: BDFLUSH and disk corruption

2002-09-30 Thread Jim Sibley
Rob wrote: In particular benchmarks benefit a lot from this ;-) I only use the benchmarks to try and understand the mechanism. :-) What we are seeing with large memory is that relatively idle systems where there is not enough activity to put a load on memory are losing critical directories.

Re: Antwort: Max number of dasd devices

2002-10-13 Thread Jim Sibley
Ihno wrote: According to /usr/src/linux/Documentation/devices.txt the numbers from 231 .to 254 are allocatet the following way: 231-239 UNASSIGNED 240-254 LOCAL/EXPERIMENTAL USE There is a discrepancy between the doc and the code that was implemented for the dasd driver.

Re: Antwort: Max number of dasd devices

2002-10-14 Thread Jim Sibley
, is that all machines should look like a PCs rather than Linux being flexible enough to provide special solutions for special problems. Enough said. On Monday, Oct 14, 2002, at 03:06 US/Pacific, Malcolm Beattie wrote: Jim Sibley writes: When will SuSE have the devfs as the default for zSeries so we don't

Antwort: Max number of dasd devices

2002-10-11 Thread Jim Sibley
Udo wrote: so additional major numbers (typically descending from 254) are allocated Doesn't this conflict with the tape major numbers? What is their range? Regards, Jim *** grace happens ***

Opengroup certifications to date

2002-11-18 Thread Jim Sibley
LSB-Certified: http://www.opengroup.org/lsb/cert/register.html binary compatibility: http://www-106.ibm.com/developerworks/linux/library/l-lsb.html Regards, Jim Linux S/390-zSeries Support, SEEL, IBM Silicon Valley Labs t/l 543-4021, 408-463-4021, [EMAIL PROTECTED] *** Grace Happens ***

Re: zVM interrupt that allows Linux to halt gracefully?

2002-11-20 Thread Jim Sibley
Steve wrote: Does anyone recall this - or know where I can find the code? The redbook Linux on IBM eserver zSeries and S/390: Large Scale Linux Deployment suggests using the external interrupt mechanism. Code is provided.

SuSE SLES8 for zSeries

2002-11-20 Thread Jim Sibley
I haven't seen this posted on the Marist forum! http://www.suse.com/us/company/press/press_releases/archive02/sles_8.html Regards, Jim Linux S/390-zSeries Support, SEEL, IBM Silicon Valley Labs t/l 543-4021, 408-463-4021, [EMAIL PROTECTED] *** Grace Happens ***

Re: RAMAC Virtual Array Full !!

2002-12-23 Thread Jim Sibley
Scott - no problem in posting. That's why I put it up on linuxvm.org (no guarantee or warranty) Mark - I don't fill up my root volume because sometimes a full root can cause problems. What the script does is write zero blocks until the pack is full, then removes the file, leaving the compressed

Re: IPL device number

2003-01-10 Thread Jim Sibley
You have a bug in the iplvol.sh script When the subchannel is returned to the variable subchannel, it should be translated to upper case as the values in /proc/subchannels are in hex and upper case. On my SuSE SLES7 2.4.7 system LPAR, the value returned is 0be7, but the value in /proc/subchannel

Re: DASDFMT hangs after saying it has finished....

2003-01-15 Thread Jim Sibley
Rather than put kernel patches on SLES7, you probably should install the Patchlevel 1 fixes for SLES7. Regards, Jim Linux S/390-zSeries Support, SEEL, IBM Silicon Valley Labs t/l 543-4021, 408-463-4021, [EMAIL PROTECTED] *** Grace Happens ***

Re: vi vs. ISPF

2003-02-20 Thread Jim Sibley
I find it amusing that the the Unix purists are defending a 1950's type line editor (with input and command mod) designed for a teletype keyboard and paper roll output then converted to the glass teletype equivalent. The keyboards on teletypes were notoriously slow, heavy to the touch, and the

Re: URGENT! really low performance. A related question...

2003-02-20 Thread Jim Sibley
This thread seems to have drifted off the original topic and is no longer URGENT! Regards, Jim Linux S/390-zSeries Support, SEEL, IBM Silicon Valley Labs t/l 543-4021, 408-463-4021, [EMAIL PROTECTED] *** Grace Happens ***

LVM on redhate 7.1 390x

2003-03-14 Thread Jim Sibley
Does anyone have LVM running on RedHat 7.1 for 390x or RedHat 7.2 for 390? They seem to have the lvm beta-.9 drivers, but no commands. When I try and apply the 1.0.3 or 1.0.7 release of LVM, I get compile errors in the kernel. If I use the modules supplied as ./kernel, the errors are for the

Re: Man formatting problem

2003-05-27 Thread Jim Sibley
How about cd (to the base directory you're insterested in) find . -print | grep rpm | less the find (dot) -print will show everthing in the tree and grep will trim it for you. And it give all the approximate matches, too. Regards, Jim Linux S/390-zSeries Support, SEEL, IBM Silicon Valley Labs

Re: SAP DB ?

2003-05-29 Thread Jim Sibley
There's lots of info on the IBM starting on www.ibm.com. Here is a redbook that talks about SAP/DB2 on zSeries for Linux This IBM Redbook focuses on the implementation of SAP application servers on Linux for zSeries. It applies to IBM z/OS V1R2 (5694-A01), IBM z/VM V4.2 (5739-A04), SuSE Linux

Re: RedHat vs Suse

2003-05-30 Thread Jim Sibley
We've had SLES8 running for several months. I tried various installs and the one that finally worked for me was ssh/ftp. As to the VNC install, I can't get it to work with netscape or mozilla on my 8.1 SuSE workstation! Some nonsense about a java plugin missing, so its either ssh or use a

Re: hz_timer

2003-06-10 Thread Jim Sibley
For those of us that have to build for both LPAR and VM, you might consider adding this code to /etc/init.d/boot.local if [ $(grep -c version = FF /proc/cpuinfo) != 0 ] then /sbin/sysctl -w kernel.hz_timer=0 fi Regards, Jim Linux S/390-zSeries Support, SEEL, IBM

Re: hz_timer

2003-06-10 Thread Jim Sibley
So where is /etc/sysctl.conf documented? I did a grep on the string in the /usr/src/linux directory and and I found some informaiton on sysctl, bit I did not find the file (though I did a developer's opinion that one should read the code to find out how sysctl works!. So where does one look to

Re: hz_timer

2003-06-11 Thread Jim Sibley
John wrote: Did you try the man command? Surprise, surprise! Regards, Jim Linux S/390-zSeries Support, SEEL, IBM Silicon Valley Labs t/l 543-4021, 408-463-4021, [EMAIL PROTECTED] *** Grace Happens ***

Re: VM Memory for Samba

2003-06-11 Thread Jim Sibley
Using the vmstat techique that Tom mentions, if you minitor swap bi/bo fields you can see when you really start swapping. Also, using the free command, you can see how much of your swap space is used (additional memory needed?). If free shows that some swap space is in use, but the swap rate is

Re: Linux390 + VM + Tape 3490

2003-06-11 Thread Jim Sibley
Alan, shared tapes may have a problem under VM. I know they do when running in an LPAR (see the disclaimer on the IBM under restrictions at http://www10.software.ibm.com/developerworks/opensource/linux390/index.shtml ). The assign/unassign function is not implemented the same way in Linux as in

Re: Linux390 + VM + Tape 3490

2003-06-12 Thread Jim Sibley
File open-to-close doesn't sound like a very useful paradigm (but I don't know how Linux applications use tape drives) and I don't know if one part of Linux can open a tape file (tape management system, just to lock the drive and to request a tape mount) and another part of Linux subsequently

Re: Linux390 + VM + Tape 3490

2003-06-12 Thread Jim Sibley
Paul, have you physically verified that UTSG actually works this way on s/390 in both LPAR or under VM? Does it apply to ECKD shared tapes, not dedicated tapes? It the lock a UTSG lock or is it a hardware assign/unassign. Without the hardware assign/unassign, it is not really locked from other

Re: Linux390 + VM + Tape 3490

2003-06-12 Thread Jim Sibley
I'm sorry - you're right - there is no such thing as ECKD tape. Wrong term - I hope you can write that off as a senior moment ;) What I meant was ESCON subchannel tapes. Regards, Jim Linux S/390-zSeries Support, SEEL, IBM Silicon Valley Labs t/l 543-4021, 408-463-4021, [EMAIL PROTECTED] ***

Re: Linux390 + VM + Tape 3490

2003-06-12 Thread Jim Sibley
Dave wrote: Methinks the Right Thing To Do would be to add function to mt to allow it to reserve a drive (eg, mt reserve /dev/st0) when a application wants on, and provide a release function when you're done with it (eg mt release /dev/st0). That would be generic enough to handle most of the

invalidate: busy buffer While Booting

2003-06-12 Thread Jim Sibley
fsck.ext2: No such device or address while trying to open /dev/VG01/homelv Long term solution - get off of ext2 as soon as possible and move to ext3 (redhat's preference) or reiser (SuSE's preference). When I converted my packs to one or the other, this problem virtually disappeared, even in our

Re: Linux390 + VM + Tape 3490

2003-06-12 Thread Jim Sibley
PROTECTED] EDU 06/12/2003 03:26 PM Please respond to Linux on 390 Port On Thu, 12 Jun 2003, Jim Sibley wrote: File open-to-close doesn't sound like a very useful paradigm (but I don't know how Linux

Re: Linux390 + VM + Tape 3490

2003-06-12 Thread Jim Sibley
the same as TSO. I think that the mt command is not the right place to do this though. -Original Message- From: John Summerfield [mailto:[EMAIL PROTECTED] Sent: Thursday, June 12, 2003 4:35 PM To: [EMAIL PROTECTED] Subject: Re: Linux390 + VM + Tape 3490 On Thu, 12 Jun 2003, Jim Sibley wrote

Re: Linux390 + VM + Tape 3490

2003-06-13 Thread Jim Sibley
Alan wrote: I think everyone has a good understanding of the issues, Jim. Based on the previous and subsequent posts to this thread after this statement , based on Boeblingen's design of the tape390 driver, and based on the restrictions on the Developer works pages for the tape staring, I think

Re: Linux390 + VM + Tape 3490

2003-06-13 Thread Jim Sibley
So what happens when Linux is running in an LPAR or native? Regards, Jim Linux S/390-zSeries Support, SEEL, IBM Silicon Valley Labs t/l 543-4021, 408-463-4021, [EMAIL PROTECTED] *** Grace Happens *** Ward, Garry [EMAIL PROTECTED]To:

Re: Linux390 + VM + Tape 3490

2003-06-16 Thread Jim Sibley
sysctl sounds like a good approach. It gets around the problem I mentioned above correlating the OS device address with the device node. And it only has to be used on tape drives that require the assign/unassign. Whatever mechanism is used, it must prevent real I/O (read/write/rewind/woef) to

Re: Linux Benchmarks

2003-06-16 Thread Jim Sibley
Sebastion suggested: Just a quick query, would the benchmarks at: http://www.tux.org/~mayer/linux/bmark.html be of any use for a Linux/390 system? Are there any other benchmarks which could be used to provide comparable results between an Intel (at least not Linux/390) based system and a

VTS/ATL Performance

2003-06-17 Thread Jim Sibley
tom wrote: We're in the process of upgrading our tape storage (many 3480's, I know, don't laugh too hard) along with a mainframe upgrade (9672-r26 to 2066-0a2). IBM has put together a VTS/ATL solution, STK's first proposal was a VSM/SILO which was vastly more expensive then the VTS/ATL.

Re: VTS/ATL Performance

2003-06-17 Thread Jim Sibley
like to move our existing file/print servers to... -Original Message- From: Jim Sibley [mailto:[EMAIL PROTECTED] Sent: Tuesday, June 17, 2003 8:47 AM To: [EMAIL PROTECTED] Subject: VTS/ATL Performance tom wrote: We're in the process of upgrading our tape storage (many 3480's, I know

Resources for linux on zSeries at a rapid pace now

2003-06-17 Thread Jim Sibley
I've noticed an acceleration of information about Linux on zSeries being available in the last 6 months to a year. Its taken off beyond just us OS folks, now. (This is not a marketing pitch - I assume we're all Linux OS hands on a zSeries; you're already have Linux or are interested in getting it

Re: Suse YOU updates

2003-06-18 Thread Jim Sibley
The SuSE SP2 maintenance CD is just out for SLES8. It looks like the cycle is 6 months, not quarterly. The pattern so far from SuSE seems to be SLES7 - nov SP1 - may SLES8 - nov SP2 - jun (seems a bit late) Regards, Jim Linux S/390-zSeries Support, SEEL, IBM Silicon Valley Labs t/l 543-4021,

Problem: DIAG vs ECKD - Yast hangs

2003-06-19 Thread Jim Sibley
My DASD is a Hitachi 9980V running in 2105 mode with HPAV enabled. Linux knows nothing about PAV's of any sort and does NOT support them. A possible explanation is that the interrupt may be reflected back to the Linux guest at the wrong address and is being ignored by Linux. Regards, Jim Linux

Re: Kernel OOPS in 2.4.19 SuSE SLES8

2003-06-19 Thread Jim Sibley
I know there were early SLES8 NFS problems, fixed by subsequent patches. Try putting on SP2 and see if the problem goes away ;-) Regards, Jim Linux S/390-zSeries Support, SEEL, IBM Silicon Valley Labs t/l 543-4021, 408-463-4021, [EMAIL PROTECTED] *** Grace Happens ***

Re: Contrarian article

2003-06-19 Thread Jim Sibley
Besides, many Linux supporters are a bunch of potty-mouthed malcontents You mean like IBM and HP? And it seems to me, just about everything (not just computer systems) has it share of potty-mouthed malcontents - rather a strange premise to support or decry an OS (or anything, for that matter).

Re: Parallel Access Volumes with SLES7

2003-06-20 Thread Jim Sibley
Mike, I think you need to address your PAV concerns to [EMAIL PROTECTED] They're the developers and they say that PAV's are not supported. Regards, Jim Linux S/390-zSeries Support, SEEL, IBM Silicon Valley Labs t/l 543-4021, 408-463-4021, [EMAIL PROTECTED] *** Grace Happens ***

Re: offloading CPU intensive loads from zLinux to cheaper pastures

2003-06-20 Thread Jim Sibley
Please respond to Linux on 390 Port On Thu, Jun 19, 2003 at 09:40:49AM -0700, Jim Sibley wrote: With 1 Gig of real memory and 512 MB per guest, you're probably measuring the VM paging subsystem or some other overhead phenonmena, which is probably tunable, not the Linux

Re: Native Linux

2003-06-20 Thread Jim Sibley
Running Native is certainly a viable option IF the load on the Linux system warrants it. Has anyone tried the model when you have a single Linux with many users timesharing, rather a lot of single purpose linux images? This would be like a CMS or TSO environment where you have a lot of shared

Re: Native Linux

2003-06-23 Thread Jim Sibley
Doug wrote: No, I frequently have days lately longing for a good old solid 360/65 and some nice 2314 and 3330 drives. But didn't the bell on the console wake you from your reveries all too often? Regards, Jim Linux S/390-zSeries Support, SEEL, IBM Silicon Valley Labs t/l 543-4021, 408-463-4021,

Re: Minimum memory size for zSeries Linux

2003-06-23 Thread Jim Sibley
, 23 Jun 2003, Jim Sibley wrote: Does anyone have a useful Linux running on zSeries that is less that 24MB with OSA? With LCS? It looks like OSA is a good chunk of code. I put together a SuSE SLES8 SP2 mimum system (no graphics) and played a bit with memory size. I manipulated mem=??m in /etc

Reiserfs vs ext3 vs ext2

2003-06-24 Thread Jim Sibley
In the thread on minimum memory size, a couple responders made comments like: kreiserfsd No Reiserfs? don't need it. From experience, this is an ill conceived statement. For data integrity, you need a logged file system in case of system failure (kernel panics, stupid users, whatever) - ext3 or

Re: Minimum memory size for zSeries Linux

2003-06-24 Thread Jim Sibley
Back in the early, early days, we successfully IPLed 2.2.? on PenguinVM in 10MB. We didn't notice until we started investigating why it was running so slw. I did get the SuSE SLES 8, SP2 up at 12MB - Linux saw 8424 KB, so about 4M was LPAR overhead. And yes, it was slow during boot and

Re: Minimum memory size for zSeries Linux

2003-06-24 Thread Jim Sibley
You might try turning off the DB2 agent. It looks like that is what the OOM killer is trying to do. The OOM killer is not very good at killing things, imho. It attacks the processes with the most cpu+memory. After awhile, it will attach critical system functions. (We found that out with a

Re: Minimum memory size for zSeries Linux

2003-06-26 Thread Jim Sibley
To clarify some points. In the 12M lpar, linux saw 8424 KB, the 12M EC saw 68 KB less (8356 kb). The 68 KB difference was a constant difference in all experiments - this is probably VM control blocks local to the EC. The experiment was run in increments of 4M LPAR and EC size. The memory was

Linux zSeries monitoring tools

2003-06-30 Thread Jim Sibley
What are the tools available to monitor Linux? Is there anything beyond home grown scripts that are accurate enough to do performance measurement of CPU/Memory/IO - especially I/O? Regards, Jim Linux S/390-zSeries Support, SEEL, IBM Silicon Valley Labs t/l 543-4021, 408-463-4021, [EMAIL

Re: Probly a stoopid ?, but what's better...31-bit or 64-bit?

2003-07-14 Thread Jim Sibley
If you don't have any 64 bit apps, then there is no point in using 64 bit (some of the 64 bit instructions are quite a bit slower than their 31/32 bit counterparts). However, some apps now are being written assuming 64 bit. You can develop them in 64bit on in an guest environment, but to get

Re: Probly a stoopid ?, but what's better...31-bit or 64-bit?

2003-07-14 Thread Jim Sibley
07/14/2003 09:38 AM Please respond to Linux on 390 Port On Monday, 07/14/2003 at 09:14 MST, Jim Sibley/San Jose/[EMAIL PROTECTED] wrote: However, some apps now are being written assuming 64 bit. You can develop

Re: Probably a stoopid ?, but what's better...31-bit or 6 4-bit?

2003-07-14 Thread Jim Sibley
V=R - then why run under VM at all? As an old MVS production hand, I have to at least smirk at that ;) Why not VM for those things appropriate to VM and an LPAR or LPARs where appropriate, talking back and forth using hipersockets? One of the configurations I see tried more and more often is a VM

message at starting

2003-07-14 Thread Jim Sibley
I'm running some boot timings for multiple linux under vm. Is there a neat why to notify either vm or another linux machine that TCP/IP or a certain application has been started so I can get elapsed times? Regards, Jim Linux S/390-zSeries Support, SEEL, IBM Silicon Valley Labs t/l 543-4021,

Re: Probly a stoopid ?, but what's better...31-bit or 64-bit?

2003-07-14 Thread Jim Sibley
? [EMAIL PROTECTED] IST.EDU 07/14/2003 01:26 PM Please respond to Linux on 390 Port Jim Sibley wrote: Alan, I would assume that if you need that 64 bit addressing (not 64

Re: Probly a stoopid ?, but what's better...31-bit or 64-bit?

2003-07-16 Thread Jim Sibley
I did some playing with 64bit since this issue was first raised. Putting aside the usual religious comments about VM vs not VM, it seems to me there may be some interesting uses for 64 bit in LPAR mode, even if the apps are 31 bit. 1) Since Linux caches files heavily, any 31 bit app that is high

Re: Clean shutdown for linux guests under VM

2003-07-17 Thread Jim Sibley
The external interrupt mentioned in the redbook SG246824 works well. You enter the interrupt in a REXX exec from operator and it will issue the bash script you want. The example for iniittab shows /sbin/shutdown -h now. I use /sbin/halt as its a bit cleaner. The additional materials tar file can

Re: Clean shutdown for linux guests under VM

2003-07-17 Thread Jim Sibley
] IST.EDU 07/17/2003 12:18 PM Please respond to Linux on 390 Port On Thu, 2003-07-17 at 13:38, Jim Sibley wrote: The additional materials tar file can be found at: ftp

Re: 31-bit SuSE SLES8 install

2003-07-18 Thread Jim Sibley
Unabashed Plug: There will be an experienced DB2 zSeries person from IBM and a DB2 on zSeries live demonstration (at least one can hope) at the IBM booth at Linuxworld in SF if you happen to be going. It will be on SuSE 8, SP2 level kernel (2.4.19-4SuSE), 31bit. Regards, Jim Linux S/390-zSeries

Re: eBay Now Powered By IBM

2003-07-22 Thread Jim Sibley
Perhaps they've finally figured out that running WebSphere (at least multiple instances of it) on a mainframe is not a very good performer. The old defamatory SHARE badges of TSO on MVS come to mind (a pig on the back of a turtle or something like that). Even IBM's WebSphere people state in

SuSE SLES8 64 bits errors

2003-07-24 Thread Jim Sibley
Has anyone been able to run SLES8 64 bits with more than 2GB of storage ? It works for me when the storage is 2GB or less but with more, it crashes during the boot. We're running 3 instances of 64 bit SLES8 (SP2 level) with 3-5 GB of memory. We were also running an instance of SLES8. We have

[no subject]

2003-07-24 Thread Jim Sibley
I own copyright over code that 95% of the Windows code out there infringes on. I refuse to show it to you or anyone, because it's a trade secret. But I demand that each and every one of you who have ever so much as *seen* a computer running Windows immediately pay me $1000. PER COMPUTER. Or

Re: Gartner speaks

2003-07-24 Thread Jim Sibley
I own copyright over code that 95% of the Windows code out there infringes on. I refuse to show it to you or anyone, because it's a trade secret. But I demand that each and every one of you who have ever so much as *seen* a computer running Windows immediately pay me $1000. PER COMPUTER. Or

[no subject]

2003-07-24 Thread Jim Sibley
, Luke.  Obi-Wan Kenobi (This company dedicates this E-Mail to General Obi-Wan Kenobi ) (This company dedicates this E-Mail to Master Yoda ) -Original Message- From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of Jim Sibley Sent: Thursday, July 24, 2003 2:00 PM To: [EMAIL

Re: your mail

2003-07-24 Thread Jim Sibley
email. So, I will keep my personal opinions and experience in this new ID. That will saves lines of disclaimer, if nothing else! = Jim Sibley *** Grace Happens *** __ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design software http

Re: It does get cold in Tomsk .....

2003-07-24 Thread Jim Sibley
There's always this sign from New Zealand http://www.planetware.com/photos/NZ/NZ272.HTM = Jim Sibley Implementor of Linux on zSeries (LPARs/VM) *** Grace Happens *** __ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design software http

Re: No Subject

2003-07-25 Thread Jim Sibley
++, and what do you get? Even if its free, should be still be programming as if we were on a pdp 4? = Jim Sibley Implementor of Linux on zSeries in the beautiful Silicon Valley Computer are useless.They can only give answers. Pablo Picasso __ Do you Yahoo

RE : SuSE SLES8 64 bits errors

2003-07-25 Thread Jim Sibley
EXT2-fs warning: mounting unchecked fs, running e2fsck is recommended /dev/vg1/lv6 on /tmp type ext2 (rw) Have you checked fstab? Something is expecting ext2. = Jim Sibley Implementor of Linux on zSeries in the beautiful Silicon Valley Computer are useless.They can only give answers. Pablo

Re: Questions about Linux 2.5 SMP threading issuesA

2003-07-25 Thread Jim Sibley
capacity. We have a lot of people testing with up to 128 volumes in a LPAR and I was wondering what impact one would expect. = Jim Sibley Implementor of Linux on zSeries in the beautiful Silicon Valley Computer are useless.They can only give answers. Pablo Picasso

Whither consolidation and what then?

2003-07-29 Thread Jim Sibley
the number of required images by consolidating their functions and remove the TCP/IP communications between applications? Isn't this the next logical step? (On the backend, database side, one or a few large DB servers seem to be able to handle the actual DB workload). = Jim Sibley Implementor

Who will be at linuxworld in SF next week?

2003-07-29 Thread Jim Sibley
I'll be at the IBM booth helping anawer zSeries questions next week (Tuesday and Wednesday). Who all will be there? = Jim Sibley Implementor of Linux on zSeries in the beautiful Silicon Valley Computer are useless.They can only give answers. Pablo Picasso

Re: Whither consolidation and what then?

2003-07-29 Thread Jim Sibley
-user model, when the user really does wake up, he has access to multiple gigahertz processors. And those 300 small machines would probably only access 9 TB of data cut up into 30GB pieces. = Jim Sibley Implementor of Linux on zSeries in the beautiful Silicon Valley Computer are useless.They

Re: Whither consolidation and what then?

2003-07-29 Thread Jim Sibley
- the manhours doesn't come out of its budget! = Jim Sibley Implementor of Linux on zSeries in the beautiful Silicon Valley Computer are useless.They can only give answers. Pablo Picasso __ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design

Re: Whither consolidation and what then?

2003-07-30 Thread Jim Sibley
that insist on using CTC. (Or if all yours apps are on one machine, you don't need TCP/IP at all ;-) ) = Jim Sibley Implementor of Linux on zSeries in the beautiful Silicon Valley Computer are useless.They can only give answers. Pablo Picasso __ Do you Yahoo

Re: DB2Connect non-gui Install

2003-07-30 Thread Jim Sibley
use db2_install instead of db2setup. if you specify db2.ese, everything will be installed. = Jim Sibley Implementor of Linux on zSeries in the beautiful Silicon Valley Computer are useless.They can only give answers. Pablo Picasso __ Do you Yahoo!? Yahoo

Re: cyls vs bytes

2003-07-30 Thread Jim Sibley
Since Linux formats 4096 byte blocks on a track you can only get 12 such blocks on a track, the useable space on a track is 4096x12=49152 (48K) or 737280 bytes or 720mb/ cylinder. = Jim Sibley Implementor of Linux on zSeries in the beautiful Silicon Valley Computer are useless.They can only

Linux images greater a 3390-3 image?

2003-07-30 Thread Jim Sibley
space and one directory using 92%. And the software install wizards of the major distributors follow the POSIX rules... = Jim Sibley Implementor of Linux on zSeries in the beautiful Silicon Valley Computer are useless.They can only give answers. Pablo Picasso

Where are your databases?

2003-07-31 Thread Jim Sibley
is Oracle on Sun? Anyone using Linux for a database server? = Jim Sibley Implementor of Linux on zSeries in the beautiful Silicon Valley Computer are useless.They can only give answers. Pablo Picasso __ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site

Re: An update to the little script I post the other day...

2003-08-01 Thread Jim Sibley
HAHAHAHA. There's not much you can do with 8 bytes. You meant 8 BITS, didn't you? Sure, there was a lot of stuff we had to stuff into 8 bits! Additional bytes were a luxury... ;-) = Jim Sibley Implementor of Linux on zSeries in the beautiful Silicon Valley Computer are useless.They can

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