No. -jc-
> -----Original Message----- > From: Linux on 390 Port [mailto:[email protected]] On Behalf Of Ambros, > Thomas > Sent: Thursday, October 30, 2014 9:11 AM > To: [email protected] > Subject: Re: Linux guests on DR machine not reachable > > Are you running mproute? > > Thomas Ambros > zEnterprise Operating Systems > zEnterprise Systems Management > 518-436-6433 > > -----Original Message----- > From: Linux on 390 Port [mailto:[email protected]] On Behalf Of Chase, > John > Sent: Thursday, October 30, 2014 10:01 > To: [email protected] > Subject: Linux guests on DR machine not reachable > > Cross-posted to IBMVM and LINUX390 lists > > Greetings. > > We're bringing up z/VM and Linux guests for the first time at a D/R exercise. > Since we have our own > CBU "warm site", we create an isolated network to be used for the D/R > exercise. The primary internal > network is prefixed 10.1 and the isolated D/R network is prefixed 10.2. > > After z/VM (6.2, non-SSI) IPLs, we logon TCPMAINT and edit PROFILE TCPIP to > change the HOME and > DEFAULTNET IP addresses from 10.1.xxx.yyy to 10.2.xxx.yyy, then shut down and > restart TCPIP. z/VM is > now reachable from non-mainframe devices plugged into the isolated network > (e.g., Ping from a laptop > works fine; 3270 emulator sessions establish via non-ICC ports). > > Next we login to a Linux (RHEL 6.3 and 6.5) guest (3270 console), where we > had pre-configured a > "clone" of the ifcfg-eth0 file to specify 10.2 (instead of 10.1) in all the > appropriate places. We > rename ("mv") the "prod" and "D/R" copies so that ifcfg-eth0 now specifies > 10.2 instead of 10.1 in all > the right places. We stop and restart network services, but Linux is not > ping-able from outside. OK > let's reboot Linux. No change; still can't ping Linux from outside the > mainframe but within the > isolated network. OK, we'll just bounce the whole virtual machine (SIGNAL > SHUTDOWN followed by > XAUTOLOG from OPERATOR). That didn't work, either. We didn't notice any > network-related error > message as Linux came up again. > > Not much to go on, but can anybody think of what we might have missed in > reconfiguring Linux to "play" > in the isolated (10.2) network? > > TIA, > > -jc- > > ********************************************************************** > Information contained in this e-mail message and in any attachments thereto > is confidential. If you > are not the intended recipient, please destroy this message, delete any > copies held on your systems, > notify the sender immediately, and refrain from using or disclosing all or > any part of its content to > any other person. > > ---------------------------------------------------------------------- > 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/ > > > This communication may contain privileged and/or confidential information. It > is intended solely for > the use of the addressee. If you are not the intended recipient, you are > strictly prohibited from > disclosing, copying, distributing or using any of this information. If you > received this communication > in error, please contact the sender immediately and destroy the material in > its entirety, whether > electronic or hard copy. This communication may contain nonpublic personal > information about consumers > subject to the restrictions of the Gramm-Leach-Bliley Act. You may not > directly or indirectly reuse or > redisclose such information for any purpose other than to provide the > services for which you are > receiving the information. > > 127 Public Square, Cleveland, OH 44114 > If you prefer not to receive future e-mail offers for products or services > from Key send an e-mail to > mailto:[email protected] with 'No Promotional E-mails' in the SUBJECT line. > > ---------------------------------------------------------------------- > 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/ ---------------------------------------------------------------------- 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/
