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System recovers after all mkdumprd processes have terminated.The system may become sluggish or appear overloaded.Kdump: mkdumprd: failed to make kdump initrd Messages similar to the below in the system logs:.The parameter "condrestart" was suggested and upstream to only restart the service if the service was set to start. Kdump is restarted, regardless of if it was configured to to be run. When kdump is restarted and hardware is changed, the initrd used by kdump is regenerated. When memory is added, the systems rules are to restart kdump (service kdump restart). SUBSYSTEM="memory", ACTION="remove", PROGRAM="/etc/init.d/kdump restart" To display the dynamic memory properties, follow the procedure as above. SUBSYSTEM="memory", ACTION="add", PROGRAM="/etc/init.d/kdump restart" Hello, We are converting all our vms from xcp-ng (xenserver) to vmware (esxi). New Configuration Maximums of vSphere 6.0: vSphere 6.0 Clusters now supports 64 Nodes and 8,000 VM’s (Which was 32 Nodes and 4,000 VM’s in vSphere 5.5) vCenter Server Appliance (vCSA 6.0) supports upto 1000 Hosts and 10,000 Virtual Machines with e mbedded vPostgres database ESXi 6. SUBSYSTEM="cpu", ACTION="offline", PROGRAM="/etc/init.d/kdump restart" SUBSYSTEM="cpu", ACTION="online", PROGRAM="/etc/init.d/kdump restart" Each kernel event is intercepted and managed by udev, in the rules /etc/udev/rules.d/les. The problem is that multiple udev events are being fired for single modules of RAM that added.SUBSYSTEM="memory", ACTION="remove", PROGRAM="/etc/init.d/kdump condrestart" SUBSYSTEM="memory", ACTION="add", PROGRAM="/etc/init.d/kdump condrestart" SUBSYSTEM="cpu", ACTION="offline", PROGRAM="/etc/init.d/kdump condrestart" SUBSYSTEM="cpu", ACTION="online", PROGRAM="/etc/init.d/kdump condrestart" Modify /etc/udev/rules.d/les so new file looks like:.The next planned validation tests will include larger SAP HANA memory sizes and vSphere PMem 8-socket wide VM support. vSphere 5.5 or 6.0 are by now out of support. It is also spawning lots of the following processes: VMware does its best to strike a balance between supporting new customers on the latest hardware and customers who are remaining on older platforms.Oct 26 07:06:50 xxxx kdump: failed to start up
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Oct 26 07:04:56 xxxx kdump: mkdumprd: failed to make kdump initrd Oct 26 06:56:43 xxxx kdump: kexec: unloaded kdump kernel The messages below may appear in the logs: When hot-adding memory to a Red Hat Enterprise Linux system running in a vmware environment, the system may attempt to reload the kdump kernel and regenerate a new kdump initrd.Īfter the hot-add, many mkdumprd processes may appear, all attempting to create the initrd file.