Re: Historical data for performance of Linux

2008-05-27 Thread Alan Altmark
On Wednesday, 05/28/2008 at 12:37 EDT, Jae-hwa Park <[EMAIL PROTECTED]> wrote: > Thank you for your consideration, Tim. > > I need the way for collecting performance data of Linux at z/VM side. > And it'll be better if I could save the data from z/VM to mysql or > files on the other Linux server. >

Re: Historical data for performance of Linux

2008-05-27 Thread Jae-hwa Park
Thank you for your consideration, Tim. I need the way for collecting performance data of Linux at z/VM side. And it'll be better if I could save the data from z/VM to mysql or files on the other Linux server. Is it possible to read and get the files from CMS using cmsfs driver at Linux? I think t

Re: Historical data for performance of Linux

2008-05-27 Thread Barton Robinson
You need to address 3 problems using "native tools" (or any tools for that matter). 1) Prior to SLES10, the CPU data is VERY WRONG. Easy to prove, and I keep naively thinking i don't need to keep reproving this. So you would be using PERL to get bad data? 2) The overhead is an issue. You

Re: Historical data for performance of Linux

2008-05-27 Thread Tim McCluskey
I just read this CMG paper: 'Monitoring Linux with Native Tools' by Robert Anderson. If your not a member I believe that the proceedings are publicly available but you must register. If not let me know... Also if your a PERL programmer check out http://www.perfdynamics.com/main.html Hope this hel

Historical data for performance of Linux

2008-05-27 Thread Jae-hwa Park
Hi, Some of our customer have an issue for accumulating their performance data of Linux servers and z/VM. They wants to get the historical performance data for Linux and z/VM itself. However the customers don't have any budgets at the time, and they have only Performance Toolkit, no other monitori

Re: FCP Setup

2008-05-27 Thread Martin, Terry R. (CMS/CTR) (CTR)
Yes, RHEL 5 has built in support for PTP. RHEL 4.6 does not support PTP. Thanks, Terry -Original Message- From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of Spann, Elizebeth (Betsie) Sent: Tuesday, May 27, 2008 12:33 PM To: LINUX-390@VM.MARIST.EDU Subject: Re: FCP Setup We ra

Re: FCP Setup

2008-05-27 Thread Martin, Terry R. (CMS/CTR) (CTR)
Hi Yes, it has been confirmed that RedHat z/Linux 4.6 does not support FCP PTP Topology at any level of the Kernel. Thanks for all the responses. -Original Message- From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of Edmund R. MacKenty Sent: Tuesday, May 27, 2008 11:09 AM

Re: Ext3 (Journaling Filesystems) and BARRIERS = Filesystem Integrity

2008-05-27 Thread Rob van der Heij
On 5/27/08, McKown, John <[EMAIL PROTECTED]> wrote: > I have a friend with EMC who is very excited about the new SSD > subsystems which are beginning to appear. They sound very nice. Being > "green" and all. The challenge is lifetime. You can't rewrite flash that often and the various vendors

Re: SLES 9 (64-BIT) TO SLES 10

2008-05-27 Thread Alan Altmark
On Thursday, May 22, 2008 at 11:38 AM Wayne Driscoll <[EMAIL PROTECTED]> wrote: > The requirement that a version upgrade requires a full re-install and then > copying of the data is one of the big issues I see with bringing Linux into > a System z shop and having experienced z folks work on it. Fo

Re: Sles9 to 10 upgrades and disk naming

2008-05-27 Thread Marcy Cortes
Not yet (bigger fishies to fry). Little wary of doing so. A "fix" would probably break our /etc/fstab which is coded without the p's :). Marcy Cortes "This message may contain confidential and/or privileged information. If you are not the addressee or authorized to receive this for the addr

Re: Sles9 to 10 upgrades and disk naming

2008-05-27 Thread Mark Post
>>> On Tue, May 27, 2008 at 5:02 PM, in message <[EMAIL PROTECTED]>, Marcy Cortes <[EMAIL PROTECTED]> wrote: > Absolutely agree with that! > > There is also what I consider a bug in SLES 9 - if the address ends in a > A-F as opposed to a 0-9, the "p" is left off. We've coded around it > where n

Re: SLES 9 (64-BIT) TO SLES 10

2008-05-27 Thread Mark Post
>>> On Thu, May 22, 2008 at 11:38 AM, in message <[EMAIL PROTECTED]>, Wayne Driscoll <[EMAIL PROTECTED]> wrote: > The requirement that a version upgrade requires a full re-install and then > copying of the data is one of the big issues I see with bringing Linux into > a System z shop and having ex

Re: Sles9 to 10 upgrades and disk naming

2008-05-27 Thread Marcy Cortes
Absolutely agree with that! There is also what I consider a bug in SLES 9 - if the address ends in a A-F as opposed to a 0-9, the "p" is left off. We've coded around it where needed. (See 900A-900F below). [EMAIL PROTECTED]:/dev/disk/by-path> uname -a Linux zlinivs1 2.6.5-7.311-s390x #1 SMP Mon

Re: Sles9 to 10 upgrades and disk naming

2008-05-27 Thread RPN01
I've noticed that the naming of the devices is very inconsistent. Just within SuSE SLES 9, I see /dev/disk/by-path/ccw-0.0.07ffp1 and /dev/disk/by-path/ccw-0.0.07ff1. And as noted, this is different from SLES 10 which had /dev/disk/by-path/ccw-0.0.07ff-part1. Isn't the point of this to have predic

Re: Searching this archive

2008-05-27 Thread dave
Good point, thanks. DJ - Original Message Follows - From: Mark Post <[EMAIL PROTECTED]> To: LINUX-390@VM.MARIST.EDU Subject: Re: Searching this archive Date: Tue, 27 May 2008 12:40:44 -0600 > >>> On Fri, May 23, 2008 at 7:55 PM, in message > <[EMAIL PROTECTED] > sfargo.com>, Marcy Corte

Re: Sles9 to 10 upgrades and disk naming

2008-05-27 Thread Marcy Cortes
It can't find the root file system on the 1st boot and you don't get very far. Marcy Cortes "This message may contain confidential and/or privileged information. If you are not the addressee or authorized to receive this for the addressee, you must not use, copy, disclose, or take any action b

Re: Sles9 to 10 upgrades and disk naming

2008-05-27 Thread Mark Post
>>> On Thu, May 22, 2008 at 10:14 PM, in message <[EMAIL PROTECTED]>, Marcy Cortes <[EMAIL PROTECTED]> wrote: > We use /dev/disk/by-path > > names to label all of our disks on sles9 rather than the /dev/dasda.. In > zipl.conf for the root= as well as in /etc/fstab. > > Now.. Sles10 has decided

Re: SLES 10 and /etc/sysconfig/proxy

2008-05-27 Thread Marcy Cortes
Noproxy would be the .wellsfargo.com stuff - where my installation server is sitting. I don't want it to attempt to go through proxy for that. It won't work. I do have to go through the proxy to get to nu.novell.com or anything else on the net for that matter. Unless I turn off all proxy (PROXY_E

Re: Searching this archive

2008-05-27 Thread Mark Post
>>> On Fri, May 23, 2008 at 7:55 PM, in message <[EMAIL PROTECTED]>, Marcy Cortes <[EMAIL PROTECTED]> wrote: > Alan, > Try searching here http://www.mail-archive.com/linux-390@vm.marist.edu/ > instead. > Seems to work better for me (and faster). Also, you can use the compressed monthly files at

Re: SLES 10 and /etc/sysconfig/proxy

2008-05-27 Thread Mark Post
>>> On Fri, May 23, 2008 at 11:21 AM, in message <[EMAIL PROTECTED]>, Marcy Cortes <[EMAIL PROTECTED]> wrote: > * sorry about the digital signature thing on the previous one > > If I update /etc/syscongfig/proxy with our proxy server and include > NO_PROXY = "localhost, wellsfargo.com" , yast2

Re: Ext3 (Journaling Filesystems) and BARRIERS = Filesystem Integrity

2008-05-27 Thread McKown, John
> -Original Message- > From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On > Behalf Of Mark Perry > Sent: Tuesday, May 27, 2008 11:57 AM > To: LINUX-390@VM.MARIST.EDU > Subject: Re: Ext3 (Journaling Filesystems) and BARRIERS = > Filesystem Integrity > [snip] > The DASD subsystems have o

Re: Ext3 (Journaling Filesystems) and BARRIERS = Filesystem Integrity

2008-05-27 Thread Mark Perry
Patrick Spinler wrote: How much good would a write barrier do on a linux on z/VM anyway? Would a barrier message from a linux kernel, through a minidisk and minidisk cache, through a cp device, to a disk controller, through the controller's cache preserve a barrier operation? (Please correct th

Re: FCP Setup

2008-05-27 Thread Spann, Elizebeth (Betsie)
We ran point-to-point with FCP-attached devices for awhile on RHEL 5 (kernel 2.6.18) on EMC DMX3 hardware. No problem. Never got that error. Betsie -Original Message- From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of Edmund R. MacKenty Sent: Tuesday, May 27, 2008 8:09 AM T

Re: Ext3 (Journaling Filesystems) and BARRIERS = Filesystem Integrity

2008-05-27 Thread Mark Perry
LJ Mace wrote: What is the patch number?? thanks Mace The only reference in Patrick's email to a patch was my quoted email mention of a SUSE patch within his email. If this is what you are refering to the it is not a fix, it is in the base SLES code. Uf you run SLES you have barriers enabled

Re: FCP Setup

2008-05-27 Thread Edmund R. MacKenty
On Monday 26 May 2008 10:24, Martin, Terry R. (CMS/CTR) (CTR) wrote: >Has anyone run into the following error while trying to get FCP to work >between z/VM 5.3 and RedHat Linux 4.6. We are connecting to a IBM >DS8100. We present the FCP device to the Linux guest and it sees it. But >they receive th

Re: Ext3 (Journaling Filesystems) and BARRIERS = Filesystem Integrity

2008-05-27 Thread LJ Mace
Yes it does Thank you Mace --- Patrick Spinler <[EMAIL PROTECTED]> wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA1 > > Carsten Otte wrote: > | Mark Perry wrote: > |> I am not sure how many of the people on this list > subscribe to LWN, but > |> there was, for me, an eye-opening article o

Re: Ext3 (Journaling Filesystems) and BARRIERS = Filesystem Integrity

2008-05-27 Thread LJ Mace
What is the patch number?? thanks Mace --- Patrick Spinler <[EMAIL PROTECTED]> wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA1 > > Mark Perry wrote: > | > | The Linux Kernel defaults to not using "barriers", > but SLES has a patch > | to enable it by default. > > Just a couple of though

Re: Ext3 (Journaling Filesystems) and BARRIERS = Filesystem Integrity

2008-05-27 Thread Patrick Spinler
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 One last thing occurs to me, and then I'll shut up. Really. :-) How much good would a write barrier do on a linux on z/VM anyway? Would a barrier message from a linux kernel, through a minidisk and minidisk cache, through a cp device, to a disk co

Re: Ext3 (Journaling Filesystems) and BARRIERS = Filesystem Integrity

2008-05-27 Thread Mark Perry
Patrick Spinler wrote: One other bit of news, for what it's worth, are these: http://lkml.org/lkml/2008/2/15/126 ~ and http://lkml.org/lkml/2008/2/15/166 So, for device mapper (e.g. lvm) devices, a solution is in the works. Well in the works for 2.6.25. Now the real question is what is in

Re: Ext3 (Journaling Filesystems) and BARRIERS = Filesystem Integrity

2008-05-27 Thread Patrick Spinler
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 One other bit of news, for what it's worth, are these: http://lkml.org/lkml/2008/2/15/126 ~ and http://lkml.org/lkml/2008/2/15/166 So, for device mapper (e.g. lvm) devices, a solution is in the works. - -- Pat -BEGIN PGP SIGNATURE- Versi

Re: Ext3 (Journaling Filesystems) and BARRIERS = Filesystem Integrity

2008-05-27 Thread Patrick Spinler
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Mark Perry wrote: | | The Linux Kernel defaults to not using "barriers", but SLES has a patch | to enable it by default. Just a couple of thoughts, and information from the article. Note the default above is a filesystem flag. You can turn this on

Re: Ext3 (Journaling Filesystems) and BARRIERS = Filesystem Integrity

2008-05-27 Thread Patrick Spinler
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Carsten Otte wrote: | Mark Perry wrote: |> I am not sure how many of the people on this list subscribe to LWN, but |> there was, for me, an eye-opening article on "Barriers and journaling |> filesystems": http://lwn.net/Articles/283161/ | | Thank you

Re: What's in my spool?

2008-05-27 Thread Romanowski, John (OFT)
Mary Anne, You'd think dump space would be related to storage in use but we have a minor problem in VM5.2 where not using our central storage frequently enough causes CP to allocate larger dump areas. Maybe it'll improve in VM 5.3. Back in 2006 IBM support told us- "Another thought is that this s

Re: What's in my spool?

2008-05-27 Thread Mary Anne Matyaz
Ah, thanks John. One has 73485, the other 468941. I guess it allocates dump space based on, usage or something? Setting dump off shows a spool usage of 1%. Mary Anne On Tue, May 27, 2008 at 8:17 AM, Romanowski, John (OFT) < [EMAIL PROTECTED]> wrote: > do CP Q DUMP > and see if the pages set asid

Re: What's in my spool?

2008-05-27 Thread Romanowski, John (OFT)
do CP Q DUMP and see if the pages set aside for a dump file account for the spool discrepancy. q dump DASD 2213 dump unit CP IPL pages 182601 This e-mail, including any attachments, may be confidential, pr

What's in my spool?

2008-05-27 Thread Mary Anne Matyaz
Hello all. I have two VM LPARs, each with a mod9 spool. One is at 4% utilization and one is at 26%. I have run SFPURGER and perfkit option 7 shows nothing major on either. Both have several NSS's that are the largest according to perfkit. Q RDR OPERATNS shows no records for dumps. There are a few o

Re: Ext3 (Journaling Filesystems) and BARRIERS = Filesystem Integrity

2008-05-27 Thread Carsten Otte
Mark Perry wrote: I am not sure how many of the people on this list subscribe to LWN, but there was, for me, an eye-opening article on "Barriers and journaling filesystems": http://lwn.net/Articles/283161/ Thank you Mark, great article. It'll be available public in one week for those who don't s

Re: FCP

2008-05-27 Thread Heiko Carstens
On Mon, May 26, 2008 at 09:16:02PM -0400, Martin, Terry R. (CMS/CTR) (CTR) wrote: > Hi All, > > Has anyone run into the following error while trying to get FCP to work > between z/VM 5.3 and RedHat Linux 4.6. We are connecting to a IBM > DS8100. We present the FCP device to the Linux guest and it