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Cause:
User runs the 'pcs status pscd' command.
Consequence:
Pcs cannot locate pcsd properly which results in inability to communicate with pcsd on cluster nodes. Nodes appear to be unauthenticated.
Fix:
Fixed pcs/pcsd path handling.
Result:
Pcs reports nodes are online.
Description of problem:
I'm getting different output from `pcs status pcsd` whether I run it from an ssh session or the serial console.
Serial console:
[root@west-01 ~]# id -a
uid=0(root) gid=0(root) groups=0(root) context=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023
[root@west-01 ~]# ls -l /proc/self/fd/0
lrwx------. 1 root root 64 Aug 13 16:14 /proc/self/fd/0 -> /dev/ttyS0
[root@west-01 ~]# pcs status pcsd west-02
west-02: Unable to authenticate
SSH:
[root@west-01 ~]# id -a
uid=0(root) gid=0(root) groups=0(root) context=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023
[root@west-01 ~]# ls -l /proc/self/fd/0
lrwx------. 1 root root 64 Aug 13 16:15 /proc/self/fd/0 -> /dev/pts/0
[root@west-01 ~]# pcs status pcsd west-02
west-02: Online
Version-Release number of selected component (if applicable):
pcs-0.9.143-1.el7.x86_64
How reproducible:
Easily
Steps to Reproduce:
1. from serial console run: pcs status pscd
Actual results:
Expected results:
This worked in 7.1:
[root@host-054 ~]# ls -l /proc/self/fd/0
lrwx------. 1 root root 64 Aug 13 15:08 /proc/self/fd/0 -> /dev/ttyS0
[root@host-054 ~]# pcs status pcsd
host-054: Online
host-055: Online
host-056: Online
[root@host-054 ~]# rpm -q pcs
pcs-0.9.137-13.el7_1.3.x86_64
Additional info:
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://rhn.redhat.com/errata/RHSA-2015-2290.html