Message "ctcmpc device driver is not installed" issued during CS Linux installation

Technote (FAQ)


Question

During the ./installibmcs process for Communications Server for Linux (CS Linux) on System z, the message "ctcmpc device driver is not installed" is issued. However, MultiPath Channel (MPC) is not in use. Is corrective action needed?

Answer

The message received during 'installibmcs' or 'sna start' is normal for a system that is not using MPC or does not yet have the ctcmpc driver installed. It does not affect the use of the rest of CS Linux. If you do not plan to use MPC, ignore the message. If you plan to use MPC, see the following README document to resolve this problem: CTCMPC README - MPC over CTC (System z only). For additional information on the ctcmpc device driver, see the following documents:
Development Stream


Red Hat Enterprise Linux Distributions

SUSE Linux Enterprise Server Distributions

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Document information


More support for:

Communications Server for Linux on zSeries
All

Software version:

6.2.1, 6.2.2, 6.2.3, 6.2.3.1, 6.2.3.2, 6.4, 6.4.0.1, 6.4.0.2, 6.4.0.3, 6.4.0.4, 7.0.0.0

Operating system(s):

Linux Red Hat - zSeries, Linux SUSE - zSeries, Linux zSeries

Reference #:

1256663

Modified date:

2013-02-21

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