Re: Weird

2013-12-17 Thread Neale Ferguson
'Cause the Korn Shell Sucks! Playing Words with Friends, it accepts "bash" and "sh" as words, but not "ksh". What's up with that? J -- For LINUX-390 subscribe / signoff / archive access ins

Weird

2013-12-17 Thread Phil Smith III
Playing Words with Friends, it accepts "bash" and "sh" as words, but not "ksh". What's up with that? J .phsiii -- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu with the

Re: weird problem with pam_tally in SLES10SP2

2010-01-29 Thread Collinson.Shannon
Ooh! That's it, sorta! I think the syntax has changed slightly, but I needed just "pam_tally.so" in the common-account file, and now it resets the bugger after a successful login as it's supposed to. It also tracks up to the 10 bad passwords before it locks the user, and if they enter a correct

Re: weird problem with pam_tally in SLES10SP2

2010-01-29 Thread Marcy Cortes
@vm.marist.edu] On Behalf Of Collinson.Shannon Sent: Friday, January 29, 2010 10:41 AM To: LINUX-390@vm.marist.edu Subject: [LINUX-390] weird problem with pam_tally in SLES10SP2 I'm new to supporting linux, being a mainframe z/OS sysprog, so this may just be a user error and I sincerely hope someone c

weird problem with pam_tally in SLES10SP2

2010-01-29 Thread Collinson.Shannon
I'm new to supporting linux, being a mainframe z/OS sysprog, so this may just be a user error and I sincerely hope someone can say "Duh!" once I explain this... We're trying to build Linux-on-zSeries SLES10SP2 guests as close as possible to the same level of Linux guests on Intel servers. As p

Re: weird(?) idea for an extended symlink functionality

2009-11-17 Thread Edmund R. MacKenty
On Tuesday 17 November 2009 06:43, Shane wrote: >On Tue, 2009-11-17 at 00:36 +, Bishop, Peter wrote: >> Thanks again Shane, were you testing with tapes? I'm going to see >> what I can do to set up a test against our tape library and get some >> real results to work with. > >Nope - I was just t

Re: weird(?) idea for an extended symlink functionality

2009-11-17 Thread Shane
On Tue, 2009-11-17 at 00:36 +, Bishop, Peter wrote: > Thanks again Shane, were you testing with tapes? I'm going to see > what I can do to set up a test against our tape library and get some > real results to work with. Nope - I was just tooling around with some disk tests. Then Edmund added

Re: weird(?) idea for an extended symlink functionality

2009-11-16 Thread Ivan Warren
It's not quite that smart. Linux has to copy the data from kernel-space buffers into user-space memory, at least. So even if the block of data is in the page cache, there's still a copy operation. It doesn't just give a pointer to the kernel's block to a process, which is I think what you're de

Re: weird(?) idea for an extended symlink functionality

2009-11-16 Thread Bishop, Peter
9012 5147 office | +61 2 9012 6620 fax | peter.bis...@hp.com 36-46 George St | Burwood | NSW 2134 Australia -Original Message- From: Linux on 390 Port [mailto:linux-...@vm.marist.edu] On Behalf Of Shane Sent: Monday, 16 November 2009 8:39 PM To: LINUX-390@VM.MARIST.EDU Subject: Re: weird(?) id

Re: weird(?) idea for an extended symlink functionality

2009-11-16 Thread Edmund R. MacKenty
On Sunday 15 November 2009 18:32, Leslie Turriff wrote: > I wonder how intelligent the Linux pipe mechanism is? If the connection >works by something equivalent to QSAM's get/locate, put/locate, the overhead >would be miniscule; just passing pointers and reactivating the pipeline >stages? I

Re: weird(?) idea for an extended symlink functionality

2009-11-16 Thread Shane
On Mon, 2009-11-16 at 03:49 +, Bishop, Peter wrote: > With zLinux named pipes I think there will be more than one read for > each record, viz one for the cat command and one for the pipe itself > (perhaps two if the program then has to issue another read to get the > data from the pipe). Ass

Re: weird(?) idea for an extended symlink functionality

2009-11-15 Thread Bishop, Peter
e- From: Linux on 390 Port [mailto:linux-...@vm.marist.edu] On Behalf Of Leslie Turriff Sent: Monday, 16 November 2009 10:33 AM To: LINUX-390@VM.MARIST.EDU Subject: Re: weird(?) idea for an extended symlink functionality On Sunday 15 November 2009 17:24:34 John McKown wrote: > On Mon, 2009-11-16

Re: weird(?) idea for an extended symlink functionality

2009-11-15 Thread Leslie Turriff
On Sunday 15 November 2009 17:24:34 John McKown wrote: > On Mon, 2009-11-16 at 08:22 +1000, Shane wrote: > > I think by I/O, the OP is saying that reading the file directly is done > via a single read() or fread() or ... . Using a named pipe, the "cat" > does this, but then does a write() or fwrite

Re: weird(?) idea for an extended symlink functionality

2009-11-15 Thread John McKown
On Mon, 2009-11-16 at 08:22 +1000, Shane wrote: > On Sun, 2009-11-15 at 21:25 +, Bishop, Peter wrote: > > > I'm still a bit leery of the extra I/O, as that equates to elapsed > > time which is our enemy in this scenario. I may try a named pipe test > > on a small case just to see what happens

Re: weird(?) idea for an extended symlink functionality

2009-11-15 Thread Shane
On Sun, 2009-11-15 at 21:25 +, Bishop, Peter wrote: > I'm still a bit leery of the extra I/O, as that equates to elapsed > time which is our enemy in this scenario. I may try a named pipe test > on a small case just to see what happens but Leslie's small test does > not augur well. Look at L

Re: weird(?) idea for an extended symlink functionality

2009-11-15 Thread Bishop, Peter
From: Linux on 390 Port [mailto:linux-...@vm.marist.edu] On Behalf Of McKown, John Sent: Saturday, 14 November 2009 9:00 AM To: LINUX-390@VM.MARIST.EDU Subject: Re: weird(?) idea for an extended symlink functionality > -Original Message- > From: Linux on 390 Port [mailto:linux-...@vm.mar

Re: weird(?) idea for an extended symlink functionality

2009-11-13 Thread Leslie Turriff
On Friday 13 November 2009 19:39:12 Shane wrote: > On Fri, 2009-11-13 at 18:18 -0500, Edmund R. MacKenty wrote: > > Now this is just on a laptop, and a very crude measurement, but it sure > > looks like there's a bit of overhead in them thar named pipes and cat! > > Apples and oranges. Why did you

Re: weird(?) idea for an extended symlink functionality

2009-11-13 Thread Shane
On Fri, 2009-11-13 at 18:18 -0500, Edmund R. MacKenty wrote: > Now this is just on a laptop, and a very crude measurement, but it sure looks > like there's a bit of overhead in them thar named pipes and cat! Apples and oranges. Why did you introduce the "-c" ???. Shane ... -

Re: weird(?) idea for an extended symlink functionality

2009-11-13 Thread Leslie Turriff
On Friday 13 November 2009 17:18:17 Edmund R. MacKenty wrote: > On Friday 13 November 2009 17:14, McKown, John wrote: > >I think you're right. He was worried that instead of his program just > > reading the file(s), the I/O would be: (1) "cat" reading the files from > > disk; (2)writing the content

Re: weird(?) idea for an extended symlink functionality

2009-11-13 Thread Edmund R. MacKenty
On Friday 13 November 2009 17:14, McKown, John wrote: >I think you're right. He was worried that instead of his program just > reading the file(s), the I/O would be: (1) "cat" reading the files from > disk; (2)writing the contents to the pipe and (3) his program reading the > pipe. Or about 3x the

Re: weird(?) idea for an extended symlink functionality

2009-11-13 Thread McKown, John
> -Original Message- > From: Linux on 390 Port [mailto:linux-...@vm.marist.edu] On > Behalf Of Edmund R. MacKenty > Sent: Friday, November 13, 2009 4:05 PM > To: LINUX-390@VM.MARIST.EDU > Subject: Re: weird(?) idea for an extended symlink functionality > I though

Re: weird(?) idea for an extended symlink functionality

2009-11-13 Thread Edmund R. MacKenty
On Friday 13 November 2009 16:35, McKown, John wrote: >Thanks for the reply. I'm very new to all this, so I appreciate the thoughts > of those who are steeped in the "whys" of UNIX. Actually, my original > solution was to use an environment variable to list the files to be read > (didn't think of t

Re: weird(?) idea for an extended symlink functionality

2009-11-13 Thread McKown, John
> -Original Message- > From: Linux on 390 Port [mailto:linux-...@vm.marist.edu] On > Behalf Of David Boyes > Sent: Friday, November 13, 2009 3:50 PM > To: LINUX-390@VM.MARIST.EDU > Subject: Re: weird(?) idea for an extended symlink functionality > > That's

Re: weird(?) idea for an extended symlink functionality

2009-11-13 Thread McKown, John
> -Original Message- > From: Linux on 390 Port [mailto:linux-...@vm.marist.edu] On > Behalf Of Thomas David Rivers > Sent: Friday, November 13, 2009 3:46 PM > To: LINUX-390@VM.MARIST.EDU > Subject: Re: weird(?) idea for an extended symlink functionality > > Joh

Re: weird(?) idea for an extended symlink functionality

2009-11-13 Thread David Boyes
On 11/13/09 3:47 PM, "McKown, John" wrote: > This goes back to the person who wanted some way to emulate DD concatenation > of multiple datasets so that they are read as if they were one. Everybody > agrees that there isn't an easy way. Now, I don't know filesystem internals. > But what about a n

Re: weird(?) idea for an extended symlink functionality

2009-11-13 Thread Thomas David Rivers
John, You could use a program to do this, and a named pipe. To simplify this a little... if you had a program that wanted to open the file INFILE. And, it wanted a concatenation of FILE1, FILE2 and FILE3. (And, let's say the program is named 'prog') Then - a typical UNIXy approach would

Re: weird(?) idea for an extended symlink functionality

2009-11-13 Thread McKown, John
> -Original Message- > From: Linux on 390 Port [mailto:linux-...@vm.marist.edu] On > Behalf Of Edmund R. MacKenty > Sent: Friday, November 13, 2009 3:24 PM > To: LINUX-390@VM.MARIST.EDU > Subject: Re: weird(?) idea for an extended symlink functionality > > &g

Re: weird(?) idea for an extended symlink functionality

2009-11-13 Thread Edmund R. MacKenty
On Friday 13 November 2009 15:47, McKown, John wrote: >This goes back to the person who wanted some way to emulate DD concatenation > of multiple datasets so that they are read as if they were one. Everybody > agrees that there isn't an easy way. Now, I don't know filesystem > internals. But what a

weird(?) idea for an extended symlink functionality

2009-11-13 Thread McKown, John
This goes back to the person who wanted some way to emulate DD concatenation of multiple datasets so that they are read as if they were one. Everybody agrees that there isn't an easy way. Now, I don't know filesystem internals. But what about a new type of symlink? Normally, a symlink contains t

Re: Weird application freeze problem

2008-09-15 Thread Edmund R. MacKenty
On Monday 15 September 2008 12:38, Ron Foster at Baldor-IS wrote: >Has anyone come to a conclusion? > >Run NTP or not? > >Adjust the time once a day using cron? Given that the current ntpd implementation wakes up every second, I'd say *never* run ntpd on more than a few guests. I think the jury i

Re: Weird application freeze problem

2008-09-15 Thread Ron Foster at Baldor-IS
Has anyone come to a conclusion? Run NTP or not? Adjust the time once a day using cron? Ron Foster -- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LIN

Re: Weird application freeze problem

2008-09-15 Thread John Summerfield
Alan Altmark wrote: On Saturday, 09/13/2008 at 08:34 EDT, John Summerfield <[EMAIL PROTECTED]> wrote: I may have missed something. Is there no way that a virtual machine cannot have use of a clock, corrected for drift, that reflects the correct time of day, either now or in the future? A TOD clo

Re: Weird application freeze problem

2008-09-15 Thread John Summerfield
Rob van der Heij wrote: On Sun, Sep 14, 2008 at 2:26 AM, John Summerfield <[EMAIL PROTECTED]> wrote: I may have missed something. Is there no way that a virtual machine cannot have use of a clock, corrected for drift, that reflects the correct time of day, either now or in the future? A TOD clo

Re: Weird application freeze problem

2008-09-14 Thread Alan Altmark
On Saturday, 09/13/2008 at 08:34 EDT, John Summerfield <[EMAIL PROTECTED]> wrote: > I may have missed something. Is there no way that a virtual machine > cannot have use of a clock, corrected for drift, that reflects the > correct time of day, either now or in the future? A TOD clock that does > _n

Re: Weird application freeze problem

2008-09-14 Thread Rob van der Heij
On Sun, Sep 14, 2008 at 2:26 AM, John Summerfield <[EMAIL PROTECTED]> wrote: > I may have missed something. Is there no way that a virtual machine > cannot have use of a clock, corrected for drift, that reflects the > correct time of day, either now or in the future? A TOD clock that does > _not_

Re: Weird application freeze problem

2008-09-13 Thread John Summerfield
Alan Altmark wrote: On Thursday, 09/11/2008 at 03:27 EDT, "Quay, Jonathan (IHG)" <[EMAIL PROTECTED]> wrote: So z/VM would have to implement stp support (hey, z/OS has it, just port it) so its TOD clock would be accurate and Linux would have to changed to get its time from VM's now accurate clock

Re: Weird application freeze problem

2008-09-13 Thread Alan Altmark
On Thursday, 09/11/2008 at 03:27 EDT, "Quay, Jonathan (IHG)" <[EMAIL PROTECTED]> wrote: > So z/VM would have to implement stp support (hey, z/OS has it, just port > it) so its TOD clock would be accurate and Linux would have to changed > to get its time from VM's now accurate clock. You forgot you

Re: Weird application freeze problem

2008-09-11 Thread Rob van der Heij
On Thu, Sep 11, 2008 at 7:09 PM, Mark Post <[EMAIL PROTECTED]> wrote: > While this discussion has been going on, I've been wondering if "hwclock > --hctosys" might not be the lowest impact method available. The problem > being that hwclock currently isn't included in the util-linux RPM for SLES

Re: Weird application freeze problem

2008-09-11 Thread Quay, Jonathan (IHG)
n 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of Alan Altmark Sent: Thursday, September 11, 2008 10:34 AM To: LINUX-390@VM.MARIST.EDU Subject: Re: Weird application freeze problem On Wednesday, 09/10/2008 at 08:41 EDT, "Quay, Jonathan (IHG)" <[EMAIL PROTECTED]> wrote: > Don

Re: Weird application freeze problem

2008-09-11 Thread David Boyes
irly high quality hardware clock available. The only real risk with that is "Mickey Mouse" time -- the operator setting the CP time via the wrist watch. Kerberos and other things don't like unsynced time, and Weird Things happen. But, if the time adjustment stuff in the hardware i

Re: Weird application freeze problem

2008-09-11 Thread Mark Post
>>> On 9/11/2008 at 11:24 AM, in message <[EMAIL PROTECTED]>, "Edmund R. MacKenty" <[EMAIL PROTECTED]> wrote: -snip- > Perhaps this is a > better tool than ntpd for the VM environment? While this discussion has been going on, I've been wondering if "hwclock --hctosys" might not be the lowest imp

Re: Weird application freeze problem

2008-09-11 Thread Edmund R. MacKenty
On Thursday 11 September 2008 10:33, Alan Altmark wrote: >If you enable the external timer function of System z, it will syncronize. > For large time deltas, an LPAR that supports STP or ETR will be notified. > For small deltas, the LPARs will drift to the correct time. The clock >will appear to r

Re: Weird application freeze problem

2008-09-11 Thread Stahr, Lea
@VM.MARIST.EDU Subject: Re: Weird application freeze problem On Wednesday, 09/10/2008 at 08:41 EDT, "Quay, Jonathan (IHG)" <[EMAIL PROTECTED]> wrote: > Don't the newer z series machines implement ntp themselves to keep the > hardware clock correct? Could linux use

Re: Weird application freeze problem

2008-09-11 Thread Alan Altmark
On Wednesday, 09/10/2008 at 08:41 EDT, "Quay, Jonathan (IHG)" <[EMAIL PROTECTED]> wrote: > Don't the newer z series machines implement ntp themselves to keep the > hardware clock correct? Could linux use the hardware clock to keep > accurate time? If you enable the external timer function of Sys

Re: Weird application freeze problem

2008-09-10 Thread John Summerfield
David Boyes wrote: Because ntpd wakes up periodically to check to see if it needs to do and crond does not? Much less frequently. Also, the 390 hw clock is relatively stable, so the moment-by-moment adjustment that ntpd is capable of is much less necessary on that platform; adjusting once in

Re: Weird application freeze problem

2008-09-10 Thread Rob van der Heij
On Wed, Sep 10, 2008 at 6:15 PM, Edmund R. MacKenty <[EMAIL PROTECTED]> wrote: > Ntpd doesn't do that: it wakes up periodically even though it isn't going to > send a packet out. I just ran it with debugging on, and it looks like it is > waking up every second! Apparently, the authors optimized

Re: Weird application freeze problem

2008-09-10 Thread Rob van der Heij
On Wed, Sep 10, 2008 at 5:22 PM, Fargusson.Alan <[EMAIL PROTECTED]> wrote: > How do you get z/VM to coordinate with the rest of the world? We also played with VTOD support. When you make one virtual machine pick up the proper time after IPL, the other virtual machines can pick up that first serve

Re: NTP daemon problem (was: Weird application freeze problem)

2008-09-10 Thread Edmund R. MacKenty
On Wednesday 10 September 2008 12:27, Malcolm Beattie wrote: >Edmund R. MacKenty writes: >> Does anyone know of a Linux tool that would give more accurate information >> about process wake-ups? It would be nice to be able to profile Linux >> daemons like this and see which ones play nice in a VM e

Re: NTP daemon problem (was: Weird application freeze problem)

2008-09-10 Thread Malcolm Beattie
Edmund R. MacKenty writes: > Does anyone know of a Linux tool that would give more accurate information > about process wake-ups? It would be nice to be able to profile Linux daemons > like this and see which ones play nice in a VM environment, because ntpd sure > doesn't! Try strace -tt -T -

Re: Weird application freeze problem

2008-09-10 Thread David Boyes
> Ntpd doesn't do that: it wakes up periodically even though it isn't going > to send a packet out. I just ran it with debugging on, and it looks like > it is waking up every second! Apparently, the authors optimized it for > low network traffic, but didn't care about wake-ups. Part of that is

Re: Weird application freeze problem

2008-09-10 Thread Edmund R. MacKenty
On Wednesday 10 September 2008 11:56, Erik N Johnson wrote: >So are you saying cron handles this problem better than ftpd does? It >does sound like it's a moot point if there's a solution to the problem >in the architecture, nevertheless I am eager to understand the issue >at hand. Did you mean "

Re: Weird application freeze problem

2008-09-10 Thread Erik N Johnson
ssage- > From: Linux on 390 Port [mailto:[EMAIL PROTECTED] Behalf Of > Erik N Johnson > Sent: Wednesday, September 10, 2008 7:24 AM > To: LINUX-390@VM.MARIST.EDU > Subject: Re: Weird application freeze problem > > > That doesn't make any sense. Based on what I k

Re: Weird application freeze problem

2008-09-10 Thread Fargusson.Alan
PROTECTED] Behalf Of Erik N Johnson Sent: Wednesday, September 10, 2008 7:24 AM To: LINUX-390@VM.MARIST.EDU Subject: Re: Weird application freeze problem That doesn't make any sense. Based on what I know about 'process sleeping' and 'waking up' there are two possibilities

NTP daemon problem (was: Weird application freeze problem)

2008-09-10 Thread Edmund R. MacKenty
On Tue, Sep 9, 2008 at 6:17 PM, David Boyes <[EMAIL PROTECTED]> wrote: > Because ntpd wakes up periodically to check to see if it needs to do > anything, and causes the virtual machine to get dispatched, which causes > CP to have to get it actually ready to run, causing lots of fuss, all to > decid

Re: Weird application freeze problem

2008-09-10 Thread Fargusson.Alan
-390@VM.MARIST.EDU Subject: Re: Weird application freeze problem Since we're getting off-topic already... On Tue, Sep 9, 2008 at 6:17 PM, David Boyes <[EMAIL PROTECTED]> wrote: > Because ntpd wakes up periodically to check to see if it needs to do > anything, and causes the virtu

Re: Weird application freeze problem

2008-09-10 Thread Erik N Johnson
That doesn't make any sense. Based on what I know about 'process sleeping' and 'waking up' there are two possibilities for how this works. The first is, of course, busy polling. If that's how it works then the question is irrelevant since busy polling means useless work no matter what. Since I

Re: Weird application freeze problem

2008-09-10 Thread Quay, Jonathan (IHG)
2008 3:44 AM To: LINUX-390@VM.MARIST.EDU Subject: Re: Weird application freeze problem Since we're getting off-topic already... On Tue, Sep 9, 2008 at 6:17 PM, David Boyes <[EMAIL PROTECTED]> wrote: > Because ntpd wakes up periodically to check to see if it needs to do > an

Re: Weird application freeze problem

2008-09-10 Thread David Boyes
>> Because ntpd wakes up periodically to check to see if it needs to do > and crond does not? Much less frequently. Also, the 390 hw clock is relatively stable, so the moment-by-moment adjustment that ntpd is capable of is much less necessary on that platform; adjusting once in 24 hrs is usually

Re: Weird application freeze problem

2008-09-10 Thread Rob van der Heij
Since we're getting off-topic already... On Tue, Sep 9, 2008 at 6:17 PM, David Boyes <[EMAIL PROTECTED]> wrote: > Because ntpd wakes up periodically to check to see if it needs to do > anything, and causes the virtual machine to get dispatched, which causes > CP to have to get it actually ready t

Re: Weird application freeze problem

2008-09-09 Thread John Summerfield
David Boyes wrote: I probably shouldn't open this particular can of worms, but... Why are you running ntpdate from cron, anyway? Because ntpd wakes up periodically to check to see if it needs to do and crond does not? -- Cheers John -- spambait [EMAIL PROTECTED] [EMAIL PROTECTED] -

Re: Weird application freeze problem

2008-09-09 Thread Edmund R. MacKenty
On Tuesday 09 September 2008 12:17, David Boyes wrote: >> I probably shouldn't open this particular can of worms, but... Why >>are you running ntpdate from cron, anyway? > >Because ntpd wakes up periodically to check to see if it needs to do >anything, and causes the virtual machine to get dispatc

Re: Weird application freeze problem

2008-09-09 Thread David Boyes
> I probably shouldn't open this particular can of worms, but... Why are > you > running ntpdate from cron, anyway? Because ntpd wakes up periodically to check to see if it needs to do anything, and causes the virtual machine to get dispatched, which causes CP to have to get it actually ready to

Re: Weird application freeze problem

2008-09-09 Thread Edmund R. MacKenty
On Monday 08 September 2008 22:53, Martha McConaghy wrote: >I've been testing out Hobbit in a SLES 10 virtual machine on z/VM. It is >a monitoring application based off of Big Brother. So far, it works great >except for one weird thing. We have a cron task that runs once a ni

Re: Weird application freeze problem

2008-09-09 Thread Fargusson.Alan
: LINUX-390@VM.MARIST.EDU Subject: Weird application freeze problem I've been testing out Hobbit in a SLES 10 virtual machine on z/VM. It is a monitoring application based off of Big Brother. So far, it works great except for one weird thing. We have a cron task that runs once a night that does

Re: Weird application freeze problem

2008-09-09 Thread Douglas Wooster
obbit daemon and wait until all of its processes are gone (kill them if necessary???) run ntpdate wait until the current time is later than the time you recorded on entry (e.g. wait until 00:00:48 or later) restart Hobbit Douglas Wooster [LINUX-390] Weird application freeze problem M

Weird application freeze problem

2008-09-08 Thread Martha McConaghy
I've been testing out Hobbit in a SLES 10 virtual machine on z/VM. It is a monitoring application based off of Big Brother. So far, it works great except for one weird thing. We have a cron task that runs once a night that does ntpdate to sync the time with an NTP server. If the time

Re: Weird network problem

2008-03-24 Thread Huegel, Thomas
Subject: Re: Weird network problem Phil, Is this gateway machine having a dispatching problem? Is it running CCL? Phil Smith III wrote: > I visited a customer yesterday, and they mentioned a weird problem: > > They have a z/Linux guest that's acting as an SNA gateway for some VSE u

Re: Weird network problem

2008-03-06 Thread Huegel, Thomas
Not CCL .. The software is from TPS. -Original Message- From: Linux on 390 Port [mailto:[EMAIL PROTECTED] Behalf Of Rich Smrcina Sent: Thursday, March 06, 2008 9:16 AM To: LINUX-390@VM.MARIST.EDU Subject: Re: Weird network problem Phil, Is this gateway machine having a dispatching

Re: Weird network problem

2008-03-06 Thread David Boyes
Smells like something outside the box is changing route information in the rest of the network to indicate a sub-optimal or non-working path. Several times an hour would be consistent with default OSPF route announcement/convergence timing.

Re: Weird network problem

2008-03-06 Thread Rich Smrcina
Phil, Is this gateway machine having a dispatching problem? Is it running CCL? Phil Smith III wrote: I visited a customer yesterday, and they mentioned a weird problem: They have a z/Linux guest that's acting as an SNA gateway for some VSE users. So it's dual-homed: a virtual

Weird network problem

2008-03-06 Thread Phil Smith III
I visited a customer yesterday, and they mentioned a weird problem: They have a z/Linux guest that's acting as an SNA gateway for some VSE users. So it's dual-homed: a virtual NIC (vNIC) for incoming TCP/IP traffic, and a real OSA for outgoing SNA (to the VSE guest(s) -- not sure wh

Re: Weird OSA issue...anyone else???

2004-01-28 Thread Alan Altmark
On Wednesday, 01/28/2004 at 01:06 CET, Franco Mignogna <[EMAIL PROTECTED]> wrote: > I suspect the problem here is that Gbit OSA uses QDIO mode; according > http://www.redbooks.ibm.com/redbooks/pdfs/sg245948.pdf in QDIO mode an OSA > card answers to ARP request by itself, having IP addresses reg

Re: Weird OSA issue...anyone else???

2004-01-28 Thread Franco Mignogna
On Tue, Jan 27, 2004 at 05:08:11PM -0500, Alan Altmark wrote: > I'm pretty sure that Linux doesn't do IP takeover. The VIPA is registered > in the OSA filters, but the OSA won't respond to ARPs. > Don't confuse VIPA with IP takeover. They are two different things. The > concepts are mixed togeth

Re: Weird OSA issue...anyone else???

2004-01-27 Thread Adam Thornton
On Tue, Jan 27, 2004 at 05:08:11PM -0500, Alan Altmark wrote: > I'm pretty sure that Linux doesn't do IP takeover. The VIPA is registered > in the OSA filters, but the OSA won't respond to ARPs. And then what Linux believes--in terms of what addresses are configured on the interface--and what the

Re: Weird OSA issue...anyone else???

2004-01-27 Thread Alan Altmark
On Tuesday, 01/27/2004 at 03:50 CET, Franco Mignogna <[EMAIL PROTECTED]> wrote: > >> E00A An IP address was received by the OSA port that duplicates an IP > address being used by another IP connection in the IP network. Change one > of the IP addresses in the network. > > So it looks as an IP addre

Re: Weird OSA issue...anyone else???

2004-01-27 Thread Franco Mignogna
Leland reported the following error when querying OSA card via OSA/SF . > IOAK881E Image D UA 15 had an OSA OAT reject code of E00A According IBM doc : >> E00A An IP address was received by the OSA port that duplicates an IP address being used by another IP connection in the IP network. Change

Re: Weird OSA issue...anyone else???

2004-01-26 Thread Lucius, Leland
> You need to figure out if the cards are responding to ARPs or not. I > realize that you used qetharp, but that tells you what OSA > has loaded into > its own ARP cache, not whether it is responding to ARPs. Use > OSA/SF or > the HMC to look at IP addresses loaded into the cards (which > is n

Re: Weird OSA issue...anyone else???

2004-01-26 Thread Alan Altmark
On Friday, 01/23/2004 at 12:17 CST, "Lucius, Leland" <[EMAIL PROTECTED]> wrote: > I've been running into a problem every so often that I can't track down and > thought I'd just throw it out here to see if I get any bites. > > I have 2 Gbit OSAs that I share among my guests and use VIPA to provide >

Re: Weird OSA issue...anyone else???

2004-01-23 Thread Lucius, Leland
> Hmm. I see the problem at the workstation. Poke around for a bit and > notice that eth1 is not aliased in > modules.conf. Add an alias to modules.conf for eth1 and the > problem goes > away. Cannot be recreated. > ... so it' s fixed ... no ... we remove the update to modules.conf and > cannot re

Re: Weird OSA issue...anyone else???

2004-01-23 Thread David Kreuter
Well don't have an answer for you but have seen an other weird linux osa situation. Client presents me with a linux image with two osa cards at eth0 and eth1. eth0 172.27.194.153 eth1 172.27.94.153 eth1:1 172.27.88.51 eth1:2 172.27.88.52 eth1:3 172.27.8853 Eth1:3 are according to client V

Weird OSA issue...anyone else???

2004-01-23 Thread Lucius, Leland
Hi folks, I've been running into a problem every so often that I can't track down and thought I'd just throw it out here to see if I get any bites. I have 2 Gbit OSAs that I share among my guests and use VIPA to provide failover in case one goes down. So, every guest has an eth0, eth1, and an lo

Re: weird snapshots

2003-11-14 Thread Little, Chris
3 6:18 PM > To: [EMAIL PROTECTED] > Subject: Re: weird snapshots > > > Chris, > > I'm not going to be able to solve your problem, but block > device 58 (3a > hex) is reserved for lvm according to devices.txt (which > comes with any > kernel tree). If you run &

Re: weird snapshots

2003-11-10 Thread Little, Chris
gotcha. thanks > -Original Message- > From: Alex deVries [mailto:[EMAIL PROTECTED] > Sent: Monday, November 10, 2003 6:18 PM > To: [EMAIL PROTECTED] > Subject: Re: weird snapshots > > > Chris, > > I'm not going to be able to solve your problem,

Re: weird snapshots

2003-11-10 Thread Alex deVries
Chris, I'm not going to be able to solve your problem, but block device 58 (3a hex) is reserved for lvm according to devices.txt (which comes with any kernel tree). If you run 'cat /proc/devices', you'll probably see lines that looks like: Block devices: ... 58 lvm If you hunted through /dev,

weird snapshots

2003-11-10 Thread Little, Chris
i'm using the snapshot option of lvcreate to create an image of an oracle database. for quite awhile it has worked fine; however, since Oct 31 I get something like this in the log when the snapshot volumes are mounted: Nov 10 17:40:01 s99lxd02 kernel: kjournald starting. Commit interval 5 second

Re: weird connection problem on sles8

2003-10-01 Thread Sergey Korzhevsky
After ECN check, You should check OSA microcode level also . Must be OSA-Express QDIO zSeries 900 GA3 Driver 3G, OSA microcode level 3.0A MCLs: J11204.007 and J11204.008 (available May 03, 2002) zSeries 900 GA2 Driver 3C, OSA microcode level: 2.26 MCLs: J10630.013 and J10630.014 (available May

Re: weird connection problem on sles8

2003-09-30 Thread Adam Thornton
On Tue, 2003-09-30 at 14:17, Greg Smith wrote: > We finally got our z/VM license and dusted off a couple of our linux > virtual machines. On our sles8 machine, we can connect to some > external sites but not to others: Is ECN turned on in your IP config?

Re: weird connection problem on sles8

2003-09-30 Thread Marcy Cortes
Do you go thru a firewall? Do you have /etc/sysconfig/proxy set up if so? Marcy Cortes Wells Fargo Services Company -Original Message- From: Greg Smith [mailto:[EMAIL PROTECTED] Sent: Tuesday, September 30, 2003 12:17 To: [EMAIL PROTECTED] Subject: [LINUX-390] weird connection problem

weird connection problem on sles8

2003-09-30 Thread Greg Smith
We finally got our z/VM license and dusted off a couple of our linux virtual machines. On our sles8 machine, we can connect to some external sites but not to others: linux04:~ # uname -a Linux linux04 2.4.19-3suse-SMP #1 SMP Mon Mar 3 14:07:59 UTC 2003 s390 unknown linux04:~ # linux04:~ # telnet w

Re: Weird term/shell/vi behavior? a nuisance

2002-11-26 Thread John Summerfield
On Tue, 26 Nov 2002, Daniel Jarboe wrote: > Thanks a lot for the help, the only diff is a histfilesize in > .bash_profile, and echo -n worked fine for me :(. Also, nothing > suspicious in rpm -qa --last, I will look for that thread though, > thanks. I had in mind that you might have imported sof

Re: Weird term/shell/vi behavior? a nuisance

2002-11-26 Thread Daniel Jarboe
: Monday, November 25, 2002 3:00 PM To: [EMAIL PROTECTED] Subject: Re: Weird term/shell/vi behavior? a nuisance On Mon, 25 Nov 2002, Daniel Jarboe wrote: > For the past few weeks I've had the following occur... > > When editing documents in vi, after a :wq I won't get the shell pro

Re: Weird term/shell/vi behavior? a nuisance

2002-11-25 Thread John Summerfield
On Mon, 25 Nov 2002, Daniel Jarboe wrote: > For the past few weeks I've had the following occur... > > When editing documents in vi, after a :wq I won't get the shell prompt > on a new line anymore. I'll see something like: > > [dan@tcsl dan]$ 50629C written > Which is the shell prompt over the

Re: Weird term/shell/vi behavior? a nuisance

2002-11-25 Thread Daniel Jarboe
ssage- From: Jarboe, Daniel - Data Center Operations <[EMAIL PROTECTED]> Sent: Monday, November 25, 2002 7:43 AM To: [EMAIL PROTECTED] Subject: Weird term/shell/vi behavior? a nuisance For the past few weeks I've had the following occur... When editing documents in vi, after a :wq I won

Weird term/shell/vi behavior? a nuisance

2002-11-25 Thread Daniel Jarboe
For the past few weeks I've had the following occur... When editing documents in vi, after a :wq I won't get the shell prompt on a new line anymore. I'll see something like: [dan@tcsl dan]$ 50629C written Which is the shell prompt over the text: "test.txt" 637L, 50629C written This is on a RH

Re: Trying to build a new initrd, getting "EXT2-fs: Magic mismatch,v ery weird !" error

2002-04-04 Thread Julia Karastoianova
eader. > > Everything seems fine until it gets to mounting the root file system (the > parmfile has root=/dev/ram0 in it). At that point I get the > EXT2-fs: Magic mismatch, very weird ! > error. > > If I take the same kernel and parmfile, and use one of the initrd files from &

Trying to build a new initrd, getting "EXT2-fs: Magic mismatch, v ery weird !" error

2002-04-03 Thread Post, Mark K
root=/dev/ram0 in it). At that point I get the EXT2-fs: Magic mismatch, very weird ! error. If I take the same kernel and parmfile, and use one of the initrd files from SuSE or Red Hat, that works just fine. So I know my kernel and parmfile are good, and the only variable is the initrd itself.

Re: SEW - weird behavior

2002-02-21 Thread Jean-Pierre Baril
spond to Linux on 390 Port To: [EMAIL PROTECTED] cc: Subject: SEW - weird behavior Hello everybody, Though my question does not concern Linux directly, the problem occurred during Linux installation so I thought I was allowed to ask here anyway... My SEW

SEW - weird behavior

2002-02-21 Thread Maciej Księżycki
Hello everybody, Though my question does not concern Linux directly, the problem occurred during Linux installation so I thought I was allowed to ask here anyway... My SEW (or HMC) is a PC running OS/2 WARP system. I have configured its network interfaces (it has two). I can connect without a