Oracle VM 2.2 - Troubleshooting

--以下取自原廠手冊

E.1.1 Oracle VM Server Directories

The important Oracle VM Server directories you should check when troubleshooting problems with Oracle VM Server

Table E-1 Oracle VM Server directories

Directory	Purpose
/etc/xen	Contains Oracle VM Server configuration files for the Oracle VM Server daemon and virtualized guests.
/etc/xen/scripts	Contains networking related scripts
/var/log/xen	Contains Oracle VM Server log files.

E.1.2 Oracle VM Server Log Files

The Oracle VM Server log files you should check when troubleshooting problems with Oracle VM Server

Table E-2 Oracle VM Server log files

Log File	Purpose
xend.log	Contains a log of all the actions of the Oracle VM Server daemon. Actions are normal or error conditions. This log contains the same information as output using the xm log command.
xend-debug.log	Contains more detailed logs of the actions of the Oracle VM Server daemon.
xen-hotplug.log	Contains a log of hotplug events. Hotplug events are logged if a device or network script does not start up or become available.
qemu-dm.pid.log	Contains a log for each hardware virtualized guest. This log is created by the quemu-dm process. Use the ps command to find the pid (process identifier) and replace this in the file name.

E.1.3 Oracle VM Server Command-Line Tools

The Oracle VM Server command-line tools you should use when troubleshooting problems with Oracle VM Server

Table E-3 Oracle VM Server command-line tools

Command-Line Tool	Purpose
xen top	Displays real-time information about Oracle VM Server and domains.
xm dmesg	Displays log information on the hypervisor.
xm log	Displays log information of the Oracle VM Server daemon.

E.12 Firewall Blocks NFS Access

Oracle VM Server blocks NFS access from any external computer (or guest) by default. This may cause problems when trying to create a guest using an NFS connection. To resolve this, disable the firewall with the following command:

# service iptables stop