Can we kill defunct process?
A defunct process is also called a zombie process, or an orphaned process. In some cases certain resources such as memory may continue to be associated with a defunct process and will not be available for use. A defunct process cannot be killed.
How do I delete a defunct process?
The only way to get rid of defunct processes that is certain is to reboot the box. Another way that SOMETIMES gets rid of defunct processes is to do a kill of the PPID. In your case that would be PID 7755.
How can defunct processes be prevented?
- A parent process must always call wait (or one of its variants) on their child processes in order to let the kernel know that the terminated child can be cleaned up.
- Quickest fix is to set $SIG{CHLD}=’IGNORE’ .
- A defunct process or a zombie process is a process that terminated without it’s parent calling wait on it.
Where does NetBackup backup script need to be whitelisted?
When the Automatic Backup schedule is due, a parent job will be created to run the backup script on the client host. If the client is running NetBackup 8.1 or newer, the directory containing the backup script must be whitelisted on the client host.
Why does NetBackup not terminate hdbbackint child processes?
Under some circumstances, in NetBackup for SAP HANA database agent, hdbbackint child processes are not terminated after the backint_response_timeout expires, this can mostly happen during HANA log backup on a NetBackup client, and can exhaust system resources as time goes on till the problem is fixed.
What’s the status code for NetBackup in Sybase?
Most non-zero values will be translated to a status code 6 by the NetBackup client process that executes the backup script. Jobs that exit with a non-zero status are eligible for retry by the master server.
Is the NetBackup install script compatible with systemd?
The NetBackup install script does not create the service unit for systemd but NetBackup is supported on Red Hat Linux 7 update 2 and SUSE 12 SP1 because systemd will run traditional init scripts. Additionally the Linux systemd will attempt to convert traditional init scripts to systemd services files by way of the systemd-sysv-generator tool.