The following was reported to me by my coworker handling the LINUX side of things.
We have made no changes to z/VM 4.3 on our IFL.
Anyone have any thoughts?
Duane
Subject: IFL connectivity issues Date: Thu, 20 May 2004 09:43:34 -0400 X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: IFL connectivity issues Thread-Index: AcQ+cHGTKvgUI9zrSOOQmWkplpi0Qg== From: "George Rester" <[EMAIL PROTECTED]> To: "Z-VM" <[EMAIL PROTECTED]>
OK Guys,
Here is a little problem that has been running around for the last month or so.
Every so often, and at no discernible time or event, connections to the various zLinux systems are dropped from the clients connecting to them. For the most part the system remains up and running, recovers sometimes in an instant, other in minuets, while on a few occasions not at all; a system reboot was needed. The loss of connection is not with all of the zLinux systems at once however; if linux03 drops, you can still access linux05, etc...
This problem has been seen from the OIT network, VPN network, roadrunner, and now from a third party user, eSpaceCommunications. Twice today already they have reported dropped connections followed by a restoration of access. Access to a "dropped" system can also not be made from another zLinux system during this outage also.
Since this is effecting all of the "used" systems, 1,2,3,5,8 and 9, I can't find it being anything at the zLinux side, and nothing has been changed on a number of these systems since installations.
Have there been any changes to the network or the zVM internal networking definitions that could be contributing to this problem?
Thanks,
George
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