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DB2 - Problem description
| Problem IT17462 | Status: Closed |
RHEL 7: THE DB2 FAULT MONITOR FEATURE DOES NOT SUPPORT THE SYSTEMD INIT SYSTEM | |
| product: | |
DB2 FOR LUW / DB2FORLUW / B10 - DB2 | |
| Problem description: | |
In Red Hat Enterprise Linux 7, systemd replaces upstart as the
default init system. The DB2 fault monitor does not support the
systemd init system. During execution of db2fmcu, instead of
expected systemd configuration, db2fmcu creates an entry in the
deprecated /etc/inittab file.
You can observe symptoms in OS strace. Once you execute:
./db2fmcu -u -p /opt/ibm/db2/V11.1/bin/db2fmcd
In the trace snippet you can see:
readlink("/etc/inittab", 0x7ffff54f82e0, 4094) = -1 EINVAL
(Invalid argument)
access("/etc/.inittab.lock", F_OK) = 0
open("/etc/.inittab.lock", O_WRONLY|O_CREAT, 0644) = 3
fcntl(3, F_SETLKW, {type=F_WRLCK, whence=SEEK_SET, start=0,
len=0}) = 0
readlink("/etc/inittab", 0x7ffff54f8190, 4094) = -1 EINVAL
(Invalid argument)
access("/etc/inittab", F_OK) = 0
...
The goal of this APAR is to introduce support for systemd by the
DB2 fault monitor. | |
| Problem Summary: | |
**************************************************************** * USERS AFFECTED: * * Db2 RHEL 7 users * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * **************************************************************** * RECOMMENDATION: * * Upgrade to Db2 V11.1 Mod 1 Fix Pack 1 * **************************************************************** | |
| Local Fix: | |
Create file: /etc/systemd/system/db2fmcd.service with following content: [Unit] Description=DB2V111 [Service] ExecStart=/opt/ibm/db2/V11.1/bin/db2fmcd Restart=always KillMode=process KillSignal=SIGHUP [Install] WantedBy=default.target Next execute: systemctl enable db2fmcd systemctl start db2fmcd | |
| available fix packs: | |
DB2 Version 11.1 Mod1 Fix Pack1 iFix001 for Linux, UNIX, and Windows | |
| Solution | |
Fixed in Db2 V11.1 Mod 1 Fix Pack 1 | |
| Workaround | |
not known / see Local fix | |
| Timestamps | |
Date - problem reported : Date - problem closed : Date - last modified : | 12.10.2016 09.10.2017 28.10.2019 |
| Problem solved at the following versions (IBM BugInfos) | |
| Problem solved according to the fixlist(s) of the following version(s) | |
| 11.1.1.1 |
|