Sorry I'm late to the discussion. Please note that there is a problem with the z13s OSE implementation. When the CPC is activated, the OSE configuration is inactivated. The configuration is stored correctly and when the OSE OSA is activated through the HMC, it works fine. Activating the LPAR does not cause any problems for the OSE.
The problem has been reported by us and I presume a fix is in progress. Peter “It is much easier to be critical than to be correct.” Benjamin Disraeli -----Original Message----- From: Linux on 390 Port [mailto:[email protected]] On Behalf Of Anderson Bassani Sent: Thursday, December 22, 2016 10:31 AM To: [email protected] Subject: Re: Linux on z and OSE Some considerations: I did not found the official answer on the available documents, even the Device Drivers for KVM. Some considerations: a) it is not possible to include some additional OSA Cards exclusively to test KVM for z? b) I would not recommend run KVM with this OSA type in production for KVM / Linux. Some findings: 1) the KVM 1.1.2 at least have the lcs compiled with it (lan channel station device driver) # cat /etc/os-release NAME="KVM for IBM z Systems" VERSION="1.1.2 (Z)" ID="kvmibm" ID_LIKE="rhel fedora" VERSION_ID="1.1.2" PRETTY_NAME="KVM for IBM z Systems 1.1.2 (Z)" ANSI_COLOR="0;34" CPE_NAME="cpe:/o:ibm:kvmibm:1.1.2" BUILD_ID="20160906" # modprobe lcs # lsmod | grep lcs lcs 53853 0 ccwgroup 19383 3 lcs,ctcm,qeth 2) IBM recommends the usage of Open Vswitch for more than 50 Guests http://www-03.ibm.com/support/techdocs/atsmastr.nsf/WebIndex/PRS5331 So, to use the ovs bridge, you will need to define a primary bridge port, and this requires exclusive usage of the OSA port. You will not get that with OSA OSE (I believe you are sharing the OSA card with other LPARs). From KVM System Admin Guide "Note that only one CCW group device sharing the same OSA adapter port can be configured as a primary bridge port" Command: echo primary > /sys/class/net/enccw0.0.09a0/device/bridge_role On Thu, Dec 22, 2016 at 5:07 AM, גדי בן אבי <[email protected]> wrote: > Hi, > > We are about to get a new computer (Z13s) with IFL’s. > > Our current OSA card is configured as OSE (non qdio), and there is > currently no way to change it. > > Does KVM work with OSA cards defined as OSE? > I know z/VM does. > > Once I get the Hypervisor (KVM or z/VM) working, does it matter to the > guests how the OSA is defined? > > Thanks > > Gadi > > > > לתשומת ליבך, בהתאם לנהלי חברת מלם מערכות בע"מ ו/או כל חברת בת ו/או > חברה קשורה שלה (להלן : "החברה") וזכויות החתימה בהן, כל הצעה, התחייבות > או מצג מטעם החברה, מחייבים מסמך נפרד וחתום על ידי מורשי החתימה של > החברה, הנושא את לוגו החברה או שמה המודפס ובצירוף חותמת החברה. בהעדר > מסמך כאמור (לרבות מסמך > סרוק) המצורף להודעת דואר אלקטרוני זאת, אין לראות באמור בהודעה אלא משום > טיוטה לדיון, ואין להסתמך עליה לביצוע פעולה עסקית או משפטית כלשהי. > Please note that in accordance with Malam and/or its subsidiaries > (hereinafter : > "Malam") regulations and signatory rights, no offer, agreement, > concession or representation is binding on the Malam, unless > accompanied by a duly signed separate document (or a scanned version > thereof), affixed with the Malam seal. > > ---------------------------------------------------------------------- > 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/wlvindex?LINUX-390 > ---------------------------------------------------------------------- > For more information on Linux on System z, visit > http://wiki.linuxvm.org/ > The information transmitted is intended only for the person or entity to which it is addressed and may contain confidential and/or privileged material. Any review retransmission dissemination or other use of or taking any action in reliance upon this information by persons or entities other than the intended recipient or delegate is strictly prohibited. If you received this in error please contact the sender and delete the material from any computer. The integrity and security of this message cannot be guaranteed on the Internet. The sender accepts no liability for the content of this e-mail or for the consequences of any actions taken on the basis of information provided. The recipient should check this e-mail and any attachments for the presence of viruses. The sender accepts no liability for any damage caused by any virus transmitted by this e-mail. This disclaimer is property of the TTC and must not be altered or circumvented in any manner.
