vmur reader uevent patch upstream

org/g/wg-linux-distros/message/59 [3] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/s390/char/vmur.c?id=bf18140d30541c2c1e5c0f57879634f3d0d04912 [4] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/s390/char/vmur.c?id=f3e59ff348

Re: LUN ID - Filesystem

On 04.07.2022 06:13, Jake Anderson wrote: > Is it possible to know the LUN ID where a specific filesystem is residing? You can use 'lszdev --by-path ' to display information about the device that provides a specific filesystem path. Regards, Peter -- Peter Oberparleiter Linux on IB

Re: Warning if upgrading SLES12 to SLES15 SP3

On 08.10.2021 18:08, Aria Bamdad wrote: > Quoting Peter Oberparleiter : > > Peter, thank you for your excellent analysis and clarification of how > this works. It now makes perfect sense to me. I'm glad that you found the information I provided to be helpful. [...] > I tested th

Re: Warning if upgrading SLES12 to SLES15 SP3

chzdev was specifically added to support correct handling of multi-disk btrfs file systems. Also given that a file system UUID is supposed to uniquely identify a file system, I don't consider the current behavior a problem in chzdev. Regards, Peter -- Peter Oberparleiter Linux on Z Development - IBM Germa

Re: integrated console overflow from the Linux installer

The Integrated ASCII console HMC task does not provide a scroll-back > function. I need to correct my statement here - the Integrated ASCII console HMC task does indeed provide a scrolling capability that can be accessed by using the Shift+PageUp/PageDown keys. Thanks to Alan Altmark and the HMC t

Re: integrated console overflow from the Linux installer

bm.com/docs/pl/linux-on-systems?topic=shutdown-snipl-control-virtual-hardware or zhmcclient https://github.com/zhmcclient/zhmccli Regards, Peter Oberparleiter -- Peter Oberparleiter Linux on Z Development - IBM Germany ---

Re: SYSASCII Console for Linux images

On 03.03.2021 16:36, Alan Altmark wrote: > On Wednesday, 03/03/2021 at 02:25 GMT, Peter Oberparleiter > wrote: >> 3. Use the ASCII Console as Linux console >> >> - add "console=ttyS1" to kernel parameters in /etc/zipl.conf >> (mind the upper-case S) >

Re: SYSASCII Console for Linux images

II Console $ systemctl start serial-getty@ttysclp0.service When this command completes, there should be a login prompt shown on the ASCII Console. You can also check the status of this systemctl unit using: $ systemctl status serial-getty@ttysclp0

Re: Linux and 5 digit address

effect in the z/VM guest where the device in subchannel set 1 is missing. Something like the following should do the trick: $ chzdev -ep dasd-eckd 0.1.0f57 -- Peter Oberparleiter Linux on Z Development - IBM Germany -- For LINUX

Re: Issues trying to install RHEL 8

solve the problem, could you share the installation parmfile contents (minus the sensitive data). Regards, Peter Oberparleiter -- Peter Oberparleiter Linux on Z Development - IBM Germany -- For LINUX-390 subscribe / signoff / archi

Re: Moving zLinux to a bigger disk

You need to perform these steps TWICE, or fdasd will terminate with a "BUG..." statement when you try to create/change partitions afterwards. Regards, Peter Oberparleiter -- Peter Oberparleiter Linux on Z Development - IBM Germany

Re: chzdev in SLES?

gt; looked at the version that will be going into SLES12 SP2 to know if > it's worth using or not. Please note that the zdev tools (chzdev, lszdev) included in s390-tools 1.33 are the result of a full rework. I'm confident that all major issues of earlier versions have been resolved by this new ver

Re: Find LUN (zfcp) in use from z/VM?

and Linux Consultant Lab Services System z Delivery Practice IBM Systems Technology Group ibm.com/systems/services/labservices office: 607.429.3323 mobile; 607.321.7556 alan_altm...@us.ibm.com IBM Endicott Regards, Peter Oberparleiter -- Peter Oberparleiter Linux on z Systems

Re: Do you use the Linux Health Checker?

) and therefore incorrectly assumes that the hardware is missing. I've added a fix to our code repository. It will be included in the next release. Thanks for pointing out this issue! Regards, Peter Oberparleiter -- Peter Oberparleiter Linux on System z Development - IBM Germany

Re: Do you use the Linux Health Checker?

will be made available with the next release. Again thanks for pointing this out! Regards, Peter Oberparleiter -- Peter Oberparleiter Linux on System z Development - IBM Germany -- For LINUX-390 subscribe / signoff / archive

Re: 2014-01-08 Linux on System z - Kernel 3.12 related updates on developerWorks

access) and with lower CPU overhead than traditional NFS or FTP transfer methods. Regards, Peter Oberparleiter -- Peter Oberparleiter Linux on System z Development - IBM Germany -- For LINUX-390 subscribe / signoff / archive

Re: dasdfmt slowness

takes about 19 minutes to fill it up with zeros by cat /dev/zero to it. Why does dasdfmt take so long? This is a known problem which is currently being investigated. Regards, Peter Oberparleiter Any progress in this area? Yes: Improvements have been made to both

Re: Where does Linux store path information for dasd devices?

that CHPID. Regards, Peter Oberparleiter -- Peter Oberparleiter Linux on System z Development - IBM Germany -- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu

Re: RHEL 6.3 DASD configuration

DASDs (/dev/dasdx1 instead of /dev/dasdx). By not using a partition, the filesystem on the DASD will get corrupted, which can also result in it being re-mounted read-only. Regards, Peter Oberparleiter -- Peter Oberparleiter Linux on System z Development - IBM Germany

Re: Using dasd_configure in SLES11 SP2

=autodetect should achieve the same result. Regards, Peter Oberparleiter -- Peter Oberparleiter Linux on System z Development - IBM Germany -- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists

Re: dasdfmt - why are you so darn slow?

dasdfmt take so long? This is a known problem which is currently being investigated. Regards, Peter Oberparleiter -- Peter Oberparleiter Linux on System z Development - IBM Germany -- For LINUX-390 subscribe / signoff / archive

Re: I/O scheduler on sles 11 sp2 on z

it be that you are using LVM which adds its own block devices which are not affected by DASD's elevator defaults? Regards, Peter Oberparleiter -- Peter Oberparleiter Linux on System z Development - IBM Germany -- For LINUX-390 subscribe

Re: SCSI/FCP disk size

NAME MAJ:MIN RM SIZE RO MOUNTPOINT sda8:0010G 0 └─sda1 8:1010G 0 / Regards, Peter Oberparleiter -- Peter Oberparleiter Linux on System z Development - IBM Germany -- For LINUX-390 subscribe

Re: zLinux, IBM XIV, thin provisioning

on the bare disk (no LVM) and see if that works. Regards, Peter Oberparleiter -- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or visit http

Re: dasd_configure doesn't see partition 1 on RO disk

: - Attach + set online - Check if the partition is recognized - Dump VTOC data: dasdview -t all /dev/dasd... sles11.txt - Compare the VTOC data: diff -u sles10.txt sles11.txt If there is a difference, please send the output of the diff command. Regards, Peter Oberparleiter

Re: Annoyances with lsdasd and/or /proc/dasd/devices

for this is that lsdasd requires read access for the device nodes (e.g. /dev/dasda) to obtain this information and this type of access is usually restricted to certain users/groups. Regards, Peter Oberparleiter -- For LINUX

Re: z/VM RedHat Virtual Machine Memory abend

by the memory map that Linux creates at boot time. Try increasing the ramdisk load address in your zipl.conf file (see chapter 37 in * for instructions). Regards, Peter Oberparleiter [*] http://public.dhe.ibm.com/software/dw/linux390/docu/lk37dd09.pdf

Re: Problems using channel-attached 3270 terminal

the PA1 key will generate Control-C, PA2 Control-D and PA3 Control-Z. Have you tried using these keys instead of the ^C sequence? Regards, Peter Oberparleiter -- For LINUX-390 subscribe / signoff / archive access instructions

Re: ECKD driver vs DIAG driver

they decided to keep it similar to the Intel world. Regards, Peter Oberparleiter -- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or visit http

Re: Can't create ctcmpc groups

show up, make sure they are correctly attached to your z/VM guest/LPAR. For 3 see if a directory named 0.0.0400 exists in /sys/bus/ccwgroup/devices. If so, set it offline and ungroup it. Regards, Peter Oberparleiter -- For LINUX

Re: Red Hat network modules

required ccw devices available to Linux? (post the output of lscss). Regards, Peter Oberparleiter -- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu with the message: INFO

Re: SHMALL and SHMMAX

of a number. Is this a bug (or a feature ;) )? Feature, it seems. See https://bugzilla.novell.com/show_bug.cgi?id=146656 (requires a Novell user ID to access). Regards, Peter Oberparleiter -- For LINUX-390 subscribe

Re: chccwdev never returning on SLES 11

response. There are two reasons why the kernel function wouldn't finish by itself: hardware error or kernel programming error. Are there any messages in the output of 'dmesg' that indicate that device 21b7 may have a problem? What is the output of 'lscss -d 0.0.21b7 --avail'? Regards, Peter

Re: Problems using portno in PARMFILE on SLES11

is tracked in Novell Bugzilla 494301 (https://bugzilla.novell.com/show_bug.cgi?id=494301). Unfortunately the entry does not mention a fix. Regards, Peter Oberparleiter -- For LINUX-390 subscribe / signoff / archive access

Re: sles11 zipl multipath /boot problem

. Now it will only fail when it encounters an IFCC on the path that worked before :) Note that there is more work currently being done in zipl and Linux to improve I/O error recovery during the boot phase. Regards, Peter Oberparleiter

Re: sles11 zipl multipath /boot problem

to support writing IPL records to multipath devices. Consequently zipl should abort with the same message as in SLES10. I'll have a look into this. As for the actual multipath/logical volume support for zipl: that code has not yet been released as it is currently in testing stage. Regards, Peter

Re: 3270 input to zipl boot menu

prompt input with '#cp vinput vmsg' (see man zipl.conf)? Regards, Peter Oberparleiter -- Peter Oberparleiter Linux on zSeries Development IBM Development Lab, Boeblingen/Germany -- For LINUX-390 subscribe / signoff / archive access

Re: 3270 input to zipl boot menu

vi vmsg 0 ? Regards, Peter Oberparleiter -- Peter Oberparleiter Linux on zSeries Development IBM Development Lab, Boeblingen/Germany -- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL

Re: SuSE 9 64-bit, SWAP, and DIAG driver

250 access to dasd devices for 64 bit kernels. (http://www.ussg.iu.edu/hypermail/linux/kernel/0508.3/1218.html) SLES9 (including latest service packs) does not include this Linux support though. Regards, Peter Oberparleiter -- Peter Oberparleiter Linux on zSeries Development IBM Development

Re: Can SLES8's zipl dump tool be used with SLES9 too?

) system to dump 31 bit (s390) systems. The other way around is not possible though, i.e. trying to dump a 64 bit system on a dasd on which the dump record from a 31 bit system is installed will produce unreadable dumps. Regards, Peter Oberparleiter -- Peter Oberparleiter Linux on zSeries

Re: SLES9 - yast - Patch CD Update

SUSE and Red Hat iso images mounted using 52 loop devices. Wow, I totally missed this option. Thanks for pointing this out! Regards, Peter Oberparleiter -- Peter Oberparleiter Linux on zSeries Development IBM Development Lab, Boeblingen/Germany

Re: LPAR only Linux

-screen mode terminal. Regards, Peter Oberparleiter -- Peter Oberparleiter Linux on zSeries Development IBM Development Lab, Boeblingen/Germany -- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL

Re: Need Help adding new DASD Devices

, Peter Oberparleiter -- Peter Oberparleiter Linux on zSeries Development IBM Development Lab, Boeblingen/Germany -- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED

Re: Using ssh to execute a command on another system

of authorized keys for user on remote cat .ssh/id_dsa.pub | ssh [EMAIL PROTECTED] ( mkdir -p .ssh ; cat .ssh/authorized_keys )` 3. Log in/execute commands without password prompt ssh [EMAIL PROTECTED] ls Regards, Peter Oberparleiter -- Peter Oberparleiter Linux on zSeries Development

Re: Problems using SIGNAL SHUTDOWN

which could cause such behavior (see http://www10.software.ibm.com/developerworks/opensource/linux390/linux-2.4.21-s390-07-june2003.shtml). Depending on the kernel level you are using this may be the source of your problem. Regards, Peter Oberparleiter -- Peter Oberparleiter Linux on zSeries

Re: S.O.S. - disk full

to find out why a process is generating so much data (check error logs, etc.). Hope this helps. Regards, Peter Oberparleiter -- Peter Oberparleiter Linux on zSeries Development IBM Development Lab, Boeblingen/Germany -- For LINUX

Re: S.O.S. - disk full

of the other services running on your system. That's all the advice I can think of at the moment. Regards, Peter Oberparleiter -- Peter Oberparleiter Linux on zSeries Development IBM Development Lab, Boeblingen/Germany

Re: Fwd: Bug#281394: env2debconf doesn't work on s390

). It should work if you retry the test using the following command line: ro foo=bar init=/bin/bash Regards, Peter Oberparleiter -- Peter Oberparleiter Linux on zSeries Development IBM Development Lab, Boeblingen/Germany -- For LINUX

Re: zipl boot menu

by setting 'prompt' to zero or by installing only a single con- figuration. The menu can then be temporarily activated by passing the string 'prompt' via the loadparm function: #cp ipl 0192 loadparm prompt Regards, Peter Oberparleiter -- Peter Oberparleiter Linux on zSeries

Re: zipl boot menu

an unknown keyword, and won't run. So, any advice as to how to get this to work with 1.2.4? Unfortunately not. Boot menu support was only added in s390-tools version 1.3.0. Regards, Peter Oberparleiter -- Peter Oberparleiter Linux on zSeries Development IBM Development Lab, Boeblingen/Germany

Re: zipl boot menu

in the future). Anyway, I hope that with the new version, the feature works as expected for you. Regards, Peter Oberparleiter -- Peter Oberparleiter Linux on zSeries Development IBM Development Lab, Boeblingen/Germany -- For LINUX-390

Re: IPTables

of A) on C. As a downside, the HTTPD logs would show C as the source for requests which are forwarded by C. Maybe have a look at the book that Adam Thornton suggested if you want a more sophisticated solution. Regards, Peter Oberparleiter -- Peter Oberparleiter Linux on zSeries Development IBM

Re: IPTables

that matched - this way you can try to understand what is happening within netfilter: iptables -L -v iptables -t nat -L -v Regards, Peter Oberparleiter -- Peter Oberparleiter Linux on zSeries Development IBM Development Lab, Boeblingen/Germany

Re: VM Shutdown

what will happen if keywords on the kernel command line provide conflicting information. Regards, Peter Oberparleiter -- Peter Oberparleiter Linux on zSeries Development IBM Development Lab, Boeblingen/Germany -- For LINUX-390

Re: VM Shutdown

of the internal bootmap file. I think the most reasonable solution for scenarios where configuration management tools are used would be to impose a policy, only to use configurations supplied in the zipl.conf file. Regards, Peter Oberparleiter -- Peter Oberparleiter Linux on zSeries

Re: VM Shutdown

back to the working configuration if anything bad happens. Regards, Peter Oberparleiter -- Peter Oberparleiter Linux on zSeries Development IBM Development Lab, Boeblingen/Germany -- For LINUX-390 subscribe / signoff

Re: VM Shutdown

access this file, there's no way to change the file format without causing chaos with users of that tool. Regards, Peter Oberparleiter -- Peter Oberparleiter Linux on zSeries Development IBM Development Lab, Boeblingen/Germany

Re: VM Shutdown

that was -t 0 (the default). -t 2 was the opposite, i.e. something like '--now-for-real'. Regards, Peter Oberparleiter -- Peter Oberparleiter Linux on zSeries Development IBM Development Lab, Boeblingen/Germany -- For LINUX

Re: VM Shutdown

this helps. Regards, Peter Oberparleiter -- Peter Oberparleiter Linux on zSeries Development IBM Development Lab, Boeblingen/Germany -- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED

Re: 2.6 device node help

: mknod /dev/console c 5 1 Regards, Peter Oberparleiter -- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin

Re: I updated zipl.conf incorrectly :(

or to append additional parameters to the kernel command line at boot time (see respective zipl man pages). Regards, Peter Oberparleiter -- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL

Re: 2004-03-01 Recommended Linux for zSeries documentation drop to developerWorks

Adam Thornton wrote: Which version of zipl is required in order to get the -s parameter? Support for segment load through zipl's -s parameter was first included in s390-tools version 1.2.0. Online documentation was added in version 1.2.4 (current). Regards, Peter Oberparleiter

Re: SLES8 trap signal shutdown

the init scripts as this will prevent the kernel from signalling completion of 'signal shutdown' processing 3) do not specify 'vmpoff' or 'vmhalt' commands as these will be ignored Hope this helps. Regards, Peter Oberparleiter

Re: 2003-09-18 Linux for zSeries code drop to developerWorks

. Thanks for pointing it out! Regards, Peter Oberparleiter