Re: RHEL 7.4 - Difficulties
>>> On 11/6/2017 at 03:16 PM, wrote: > Hi, > Thank you for the response. Umm... I'm not sure about this but I > circumvented with > > > > echo 'GRUB_CMDLINE_LINUX=net.ifnames=0' >>/etc/default/grub > > > I would appreciate, you or anybody can bring more light into this. That's not a circumvention, that's the solution to your problem. Unless Red Hat decides to modify their kernels to use the old naming convention, this will continue to be needed until you modify all your scripts to handle the "predictable names." Mark Post -- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu 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/
Re: RHEL 7.4 - Difficulties
Hi, Thank you for the response. Umm... I'm not sure about this but I circumvented with echo 'GRUB_CMDLINE_LINUX=net.ifnames=0' >>/etc/default/grub I would appreciate, you or anybody can bring more light into this. Regards, Tom -Original Message- From: Diep, David (OCTO) (OCTO) To: LINUX-390 Sent: Mon, Nov 6, 2017 9:10 am Subject: Re: RHEL 7.4 - Difficulties Hi, Sorry for commenting so late, but regarding #1, make sure that you remove all IP device restrictions. This is found in /etc/zipl.conf... the statements start with "rd.znet": i.e. - rd.znet=qeth,0.0.0600,0.0.0601,0.0.0602,layer2=0,portno=0,portname=foo" I hope this helps. David Diep -Original Message- From: Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of canzon...@verizon.net Sent: Friday, October 20, 2017 3:38 PM To: LINUX-390@VM.MARIST.EDU Subject: Re: RHEL 7.4 - Difficulties Thank you, Aria! I was thinking the same as you pointed out. I appreciate your help. Wish you a great weekend! Warm Regards, Tom -Original Message- From: Aria Bamdad To: LINUX-390 Sent: Fri, Oct 20, 2017 2:48 pm Subject: Re: RHEL 7.4 - Difficulties Regarding your question #1, this may help: https://esuareznotes.wordpress.com/2014/07/11/change-default-network-name-to-old-eth0-on-rhel-7-fedora-19-above/ -Original Message- From: Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of Aria Bamdad Sent: Friday, October 20, 2017 2:45 PM To: LINUX-390@VM.MARIST.EDU Subject: Re: RHEL 7.4 - Difficulties Hi, I am not a Redhat expert so can't comment on #1. But for #2, no, you do not want to delete those tempfs file systems. This is how the kernel keeps track of things. These are in memory temporary file systems that are created at boot and disappear at shutdown. Leave these alone. Aria -Original Message- From: Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of canzon...@verizon.net Sent: Friday, October 20, 2017 9:59 AM To: LINUX-390@VM.MARIST.EDU Subject: RHEL 7.4 - Difficulties Hi, I would appreciate if you can help me with the following: 1. Changing the Interface name (I followed the instructions on the link : https://access.redhat.com/solutions/2592561 and it didn't work.) # ip link 1: lo: mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT qlen 1 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 2: enccw0.0.0100: mtu 1500 qdisc pfifo_fast state UP mode DEFAULT qlen 1000 link/ether 02:00:03:00:00:8c brd ff:ff:ff:ff:ff:ff I need to change enccw0.0.0100 to eth0 because we have so many scripts which uses eth0. # nmcli connection modify enccw0.0.0100 connection.interface-name eth0 # nmcli connection up eth0 Error: unknown connection 'eth0'. # udevadm info /sys/class/net/enccw0.0.0100 P: /devices/qeth/0.0.0100/net/enccw0.0.0100 E: DEVPATH=/devices/qeth/0.0.0100/net/enccw0.0.0100 E: ID_NET_DRIVER=qeth_l2 E: ID_NET_NAME_MAC=enx0200038c E: ID_NET_NAME_PATH=enccw0.0.0100 E: ID_PATH=ccwgroup-0.0.0100 E: ID_PATH_TAG=ccwgroup-0_0_0100 E: IFINDEX=2 E: INTERFACE=enccw0.0.0100 E: SUBSYSTEM=net E: SYSTEMD_ALIAS=/sys/subsystem/net/devices/enccw0.0.0100 E: TAGS=:systemd: E: USEC_INITIALIZED=85059 2. File system - When I installed, I created single partition "/" for the entire disk. But, after the install completed, I see the following. Should I go ahead and delete all "tmpfs"? df -T Filesystem Type 1K-blocksUsed Available Use% Mounted on /dev/dasda1ext4 21160896 4004264 16058644 20% / devtmpfs devtmpfs 8141464 0 8141464 0% /dev tmpfs tmpfs 8155160 0 8155160 0% /dev/shm tmpfs tmpfs 81551608468 8146692 1% /run tmpfs tmpfs 8155160 0 8155160 0% /sys/fs/cgroup tmpfs tmpfs 1631032 0 1631032 0% /run/user/0 By default we partition the whole disk as on ECKD and use SAN for all other purposes. df -h Filesystem Size Used Avail Use% Mounted on /dev/dasda1 19G 16G 2.1G 89% / tmpfs 499M 0 499M 0% /dev/shm Appreciate your help. Regards, Tom -- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu 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/ -- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu 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/ -
Red Hat 6 fails to boot after zVM 6.4 upgrade
Hello, Running a CA zLinux Product called "PIM" aka eTrust or Control Minder. A Linux security product managing ID's, su access, etc.. Product fails during boot causing core dumps. Did I miss some compatibility setting upgrading from zVM 6.3 to 6.4 Thanks Joe The information contained in this e-mail, and any attachment, is confidential and is intended solely for the use of the intended recipient. Access, copying or re-use of the e-mail or any attachment, or any information contained therein, by any other person is not authorized. If you are not the intended recipient please return the e-mail to the sender and delete it from your computer. Although we attempt to sweep e-mail and attachments for viruses, we do not guarantee that either are virus-free and accept no liability for any damage sustained as a result of viruses. Please refer to http://disclaimer.bnymellon.com/eu.htm for certain disclosures relating to European legal entities. -- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu 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/
Re: RHEL 7.4 - Difficulties
Hi, Sorry for commenting so late, but regarding #1, make sure that you remove all IP device restrictions. This is found in /etc/zipl.conf... the statements start with "rd.znet": i.e. - rd.znet=qeth,0.0.0600,0.0.0601,0.0.0602,layer2=0,portno=0,portname=foo" I hope this helps. David Diep -Original Message- From: Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of canzon...@verizon.net Sent: Friday, October 20, 2017 3:38 PM To: LINUX-390@VM.MARIST.EDU Subject: Re: RHEL 7.4 - Difficulties Thank you, Aria! I was thinking the same as you pointed out. I appreciate your help. Wish you a great weekend! Warm Regards, Tom -Original Message- From: Aria Bamdad To: LINUX-390 Sent: Fri, Oct 20, 2017 2:48 pm Subject: Re: RHEL 7.4 - Difficulties Regarding your question #1, this may help: https://esuareznotes.wordpress.com/2014/07/11/change-default-network-name-to-old-eth0-on-rhel-7-fedora-19-above/ -Original Message- From: Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of Aria Bamdad Sent: Friday, October 20, 2017 2:45 PM To: LINUX-390@VM.MARIST.EDU Subject: Re: RHEL 7.4 - Difficulties Hi, I am not a Redhat expert so can't comment on #1. But for #2, no, you do not want to delete those tempfs file systems. This is how the kernel keeps track of things. These are in memory temporary file systems that are created at boot and disappear at shutdown. Leave these alone. Aria -Original Message- From: Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of canzon...@verizon.net Sent: Friday, October 20, 2017 9:59 AM To: LINUX-390@VM.MARIST.EDU Subject: RHEL 7.4 - Difficulties Hi, I would appreciate if you can help me with the following: 1. Changing the Interface name (I followed the instructions on the link : https://access.redhat.com/solutions/2592561 and it didn't work.) # ip link 1: lo: mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT qlen 1 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 2: enccw0.0.0100: mtu 1500 qdisc pfifo_fast state UP mode DEFAULT qlen 1000 link/ether 02:00:03:00:00:8c brd ff:ff:ff:ff:ff:ff I need to change enccw0.0.0100 to eth0 because we have so many scripts which uses eth0. # nmcli connection modify enccw0.0.0100 connection.interface-name eth0 # nmcli connection up eth0 Error: unknown connection 'eth0'. # udevadm info /sys/class/net/enccw0.0.0100 P: /devices/qeth/0.0.0100/net/enccw0.0.0100 E: DEVPATH=/devices/qeth/0.0.0100/net/enccw0.0.0100 E: ID_NET_DRIVER=qeth_l2 E: ID_NET_NAME_MAC=enx0200038c E: ID_NET_NAME_PATH=enccw0.0.0100 E: ID_PATH=ccwgroup-0.0.0100 E: ID_PATH_TAG=ccwgroup-0_0_0100 E: IFINDEX=2 E: INTERFACE=enccw0.0.0100 E: SUBSYSTEM=net E: SYSTEMD_ALIAS=/sys/subsystem/net/devices/enccw0.0.0100 E: TAGS=:systemd: E: USEC_INITIALIZED=85059 2. File system - When I installed, I created single partition "/" for the entire disk. But, after the install completed, I see the following. Should I go ahead and delete all "tmpfs"? df -T Filesystem Type 1K-blocksUsed Available Use% Mounted on /dev/dasda1ext4 21160896 4004264 16058644 20% / devtmpfs devtmpfs 8141464 0 8141464 0% /dev tmpfs tmpfs 8155160 0 8155160 0% /dev/shm tmpfs tmpfs 81551608468 8146692 1% /run tmpfs tmpfs 8155160 0 8155160 0% /sys/fs/cgroup tmpfs tmpfs 1631032 0 1631032 0% /run/user/0 By default we partition the whole disk as on ECKD and use SAN for all other purposes. df -h Filesystem Size Used Avail Use% Mounted on /dev/dasda1 19G 16G 2.1G 89% / tmpfs 499M 0 499M 0% /dev/shm Appreciate your help. Regards, Tom -- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu 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/ -- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu 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/ -- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu 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.or
