Hi, we have had the 'network disappear' problem for 3 times. I was told by ibm that this can occur when using more than 1 virtual cpu (this was true in our case). Our single cpu systems ran without this problems. There is still an open APAR VM63685 for this kind of problems. A fix is to set QIOAssist OFF .We have done this and the network problems disappear.
After this problems I started to install 2 linux clone machines - one with 2 devices and one with 3. The FORMAT in parallel during installation worked fine (even with 3390-9 dasd). I hope this information is usefull to you. Best regards Leonard Janus KGRZ / ekom21 GmbH Kassel - Germany -----Ursprüngliche Nachricht----- Von: Tom Morris [mailto:[EMAIL PROTECTED] Gesendet: Mittwoch, 16. Februar 2005 22:19 An: LINUX-390@VM.MARIST.EDU Betreff: Re: Network goes away when trying to Parallel Format DASD with Yast2 SUSE9 hi, Thank you for you input on my problem. I found out the it was a QIOAssist problem. For some reason it was turned ON but I do not know why! I have a ticket open with IBM to determine why it was on. Thanks Tom. Linux on 390 Port <LINUX-390@VM.MARIST.EDU> wrote on 15.02.2005 17:49:19: > Our Linux guys are trying to do a PARALLEL FORMAT of 2 disks. They are > using YAST2 on SUSE9 / z/vm 5.1and when they START the format > the network on the LINUX guest goes away!! You can not restart it then > only way to get connectivity back is to shutdown and > reboot the LINUX. We are using QDIO and direct attached ports to our TCPIP > stack on the LINUX guest. > > Has anyone else tried to use the PARALLEL FORMAT os SUSE9 or experience > this type of Network failures! What kernel version are you running? There have been some fixes for the qeth network driver since SuSE GA. Do you have qdio assist activated? If yes, have you applied z/VM PTF UM31341 (available since 05/01/21)? Hope this helps -- Mit freundlichen Grüßen / Best Regards / Un cordial saludo Christian Bornträger Linux Software Engineer zSeries Linux & Virtualization IBM Deutschland Entwicklung GmbH email: [EMAIL PROTECTED] Tel +49 7031 16 1975 ---------------------------------------------------------------------- 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 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 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
