Operating System Installation
The ability to access the installer or to collect logs during the installation process can be helpful when debugging installation problems.
A new attribute is provided in the site table called xcatdebugmode.
xcatdebugmode=0: Diagnostic entries will be shown in corresponding log files.
xcatdebugmode=1: Diagnostic entries will be shown in corresponding log files and debug port will be opened.
xcatdebugmode=2: Diagnostic entries will be shown in corresponding log files, debug port will be opened and SSH access is enabled.
Supported OS:
RHEL: 6.7 and above
SLES: 11.4 and above
UBT: 14.04.3 and above
The following behavior is supported during OS installation:
xcatdebugmode |
0 |
1 |
2 |
||||||
|---|---|---|---|---|---|---|---|---|---|
RHEL |
SLES |
UBT |
RHEL |
SLES |
UBT |
RHEL |
SLES |
UBT |
|
Log Collecting |
Y |
Y |
Y |
Y |
Y |
Y |
Y |
Y |
Y |
Enable Debug Port |
N |
N |
N |
Y |
Y |
Y |
Y |
Y |
Y |
SSH Access |
N |
N |
N |
N |
N |
N |
Y |
Y |
Y |
Y - the behavior is supported by OS at specified xcatdebugmode level.
N - the behavior is not supported.
Next chapter introduces the procedures on how to troubleshoot operating system installation.