esxi nfs unmount(remove)

# esxcli storage nfs remove -v NFS01
Unable to complete Sysinfo operation.  Please see the VMkernel log file for more details.: Busy

# grep NFS01 vmkernel.log
2025-10-29T03:47:08.983Z Wa(180) vmkwarning: cpu2:1051656 opID=bd485a9c)WARNING: NFS: 3016: NFS01 has open files, cannot be unmounted. refCount: 13


# vmkfstools -Ph -v10 /vmfs/volumes/NFS01
NFS-1.00 (Raw Major Version: 0) file system spanning 1 partitions.
File system label (if any): NFS01
Mode: public
Capacity 217.8 GB, 23.9 GB available, file block size 4 KB, max supported file size 16 TB
Disk Block Size: 512/512/0
UUID: ffc34b8a-76ba43a8-0000-000000000000
Logical device: 192.168.0.250 /data0/mapoo/mapoo7/nfs-share
Partitions spanned (on "notDCS"):
	nfs:ffc34b8a-76ba43a8
NAS VAAI Supported: NO
Is Native Snapshot Capable: NO
OBJLIB-LIB: ObjLib cleanup done.
WORKER: asyncOps=0 maxActiveOps=0 maxPending=0 maxCompleted=0


# lsof | grep **ffc34b8a-76ba43a8**
1267937     vmx                   FILE                      136   /vmfs/volumes/ffc34b8a-76ba43a8/_ISO/Linux/Fedora-Server-netinst-x86_64-41-1.4.iso
1063304     vmx                   FILE                      140   /vmfs/volumes/ffc34b8a-76ba43a8/_ISO/Linux/Navix-9.5-x86_64-dvd1.iso
1053195     vmx                   FILE                      133   /vmfs/volumes/ffc34b8a-76ba43a8/_ISO/Linux/rhel-9.2-x86_64-dvd.iso
1053182     vmx                   FILE                      133   /vmfs/volumes/ffc34b8a-76ba43a8/_ISO/Linux/rhel-10.0-x86_64-dvd.iso
1052838     vmx                   FILE                      135   /vmfs/volumes/ffc34b8a-76ba43a8/_ISO/Linux/Navix-9.5-x86_64-dvd1.iso


# for i in `lsof | grep **ffc34b8a-76ba43a8** | awk '{print $1}'` ; do kill -9 $i ;done


# lsof | grep **ffc34b8a-76ba43a8**


# esxcli storage nfs remove -v NFS01
Unable to complete Sysinfo operation.  Please see the VMkernel log file for more details.: Busy

# grep NFS01 vmkernel.log
2025-10-29T04:01:43.099Z Wa(180) vmkwarning: cpu4:1051646 opID=2800e850)WARNING: NFS: 3016: NFS01 has open files, cannot be unmounted. refCount: 4
-> 13 to 4 (refCount)

-> refCount가 13에서 4로 줄었지만 0이 아니다. 하지만 NFS01 볼륨을 마운트하는 프로세스를 찾지 못해 결국엔 reboot 후 esxcli storage nfs remove -v NFS01 명령으로 unmount 완료. umount.

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# configstorecli schema list -c esx
# configstorecli schema list -c esx -g storage