/storage/core partition full due to core.netlogond.#### files in vCenter Server Appliance

Products

• VMware vCenter Server

Issue/Introduction

• vCenter serve appliance  may experience this problem, the appliance may get many core dump files due to which space on the appliance will get filled, 
• # df -h

Filesystem	Size	Used	Avail	Use%	Mounted on
devtmpfs	4.9G	0	4.9G	0%	/dev
tmpfs	4.9G	956K	4.9G	1%	/dev/shm
tmpfs	4.9G	692K	4.9G	1%	/run
tmpfs	4.9G	0	4.9G	0%	/sys/fs/cgroup
/dev/sda3	11G	5.9G	4.2G	59%	/
tmpfs	4.9G	1.5M	4.9G	1%	/tmp
/dev/mapper/db_vg-db	9.8G	221M	9.0G	3%	/storage/db
/dev/mapper/imagebuilder_vg-imagebuilder	9.8G	23M	9.2G	1%	/storage/imagebuilder
/dev/mapper/dblog_vg-dblog	15G	102M	14G	1%	/storage/dblog
/dev/mapper/netdump_vg-netdump	985M	1.3G	916M	1%	/storage/netdump
/dev/mapper/log_vg-log	9.8G	3.0G	6.3G	33%	/storage/log
/dev/mapper/seat_vg-seat	9.8G	222M	9.0G	3%	/storage/seat
/dev/mapper/autodeploy_vg-autodeploy	9.8G	37M	9.2G	1%	/storage/autodeploy
/dev/mapper/updatemgr_vg-updatemgr	99G	119M	94G	1%	/storage/updatemgr
/dev/mapper/archive_vg-archive	50G	4.3G	43G	10%	/storage/archive
/dev/mapper/core_vg-core	10G	10G	0	100%	/storage/core
/dev/sda1	120M	31M	81M	28%	/boot

•  The size of core file and other partition will vary, depending upon what size option you have selected while deploying the VCSA. Even if you have installed the VCSA  with different size, core partition will get filled.
• /storage/core is getting filled up with core.netlogond.#### files

Environment

• VMware vCenter Server Appliance 6.7.x
• VMware vCenter Server Appliance 6.5.x

Resolution

This issue is resolved in:

• VMware vCenter Server 6.7 Update 3.
• VMware vCenter Server 6.5 Update 3f.

Workaround:

Manually remove (rm -f file) some core files in /storage/core to free up some space.