Unable to connect to NFS server: VSI node (XXXX)
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Unable to connect to NFS server: VSI node (XXXX)

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Article ID: 385243

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Updated On:

Products

VMware vSphere ESXi VMware vCenter Server

Issue/Introduction


1. Unable to mount NFS datastores from vCenter GUI 

2. Manually mounting the NFS share from ESXi fails with an error.


An error occurred during host configuration :. Operation failed, diagnostics report: Mount failed: Unable to complete Sysinfo operation. Please see the VMkernel log file for more details .: Unable to connect to NFS server: VSI node (5001)

VMkernel.log:

2024-12-18T18:51:57.107Z In(182) vmkernel: cpu4:2097941)NFS: 2861: Retrying mount request for NFS_ESXi Server: 10.#.#.# (10.#.#.#) Volume: /NFS_ESXi
2024-12-18T18:52:28.106Z In(182) vmkernel: cpu4:2097941)NFS: 2861: Retrying mount request for NFS_ESXi Server: 10.#.#.# (10.#.#.#) Volume: /NFS_ESXi
2024-12-18T18:53:29.106Z In(182) vmkernel: cpu3:2097941)NFS: 2861: Retrying mount request for NFS_ESXi Server: 10.#.#.# (10.#.#.#) Volume: /NFS_ESXi
2024-12-18T18:54:00.107Z In(182) vmkernel: cpu20:2097941)NFS: 2861: Retrying mount request for NFS_ESXi Server: 10.#.#.# (10.#.#.#) Volume: /NFS_ESXi

 

2024-12-18T01:07:33.472Z Er(163) Hostd[2098720]: [Originator@6876 sub=Hostsvc.FSVolumeProvider opID=m3sz0s25-2466170-auto-1guwr-h5:70448064-6b-a0-8b62 sid=52a07fce user=vpxuser:Broadcom\VMwareuser] VmkCtl mount or ProcessNasfailed: Mount failed: Unable to complete Sysinfo operation.  Please see the VMkernel log file for more details.: Unable to connect to NFS server: VSI node (5001:)
2024-12-18T01:17:54.488Z Db(167) Hostd[2098723]: [Originator@6876 sub=Solo.Vmomi opID=m3sz0s25-2467839-auto-1gw74-h5:70448354-a0-e3-8c27 sid=52a07fce user=vpxuser:Broadcom\VMwareuser] Arg spec:
2024-12-18T01:17:54.488Z Db(167) Hostd[2098714]: --> (vim.host.NasVolume.Specification) {
2024-12-18T01:17:54.488Z Db(167) Hostd[2098714]: -->    remoteHost = "10.#.#.#",
2024-12-18T01:17:54.488Z Db(167) Hostd[2098714]: -->    remotePath = "/NFS_ESXi",
2024-12-18T01:17:54.488Z Db(167) Hostd[2098714]: -->    localPath = "NFS_ESXi",
2024-12-18T01:17:54.488Z Db(167) Hostd[2098714]: -->    accessMode = "readWrite",
2024-12-18T01:17:54.488Z Db(167) Hostd[2098714]: -->    type = "NFS",
2024-12-18T01:17:54.488Z Db(167) Hostd[2098714]: -->    remoteHostNames = (string) [
2024-12-18T01:17:54.488Z Db(167) Hostd[2098714]: -->       "10.#.#.#"
2024-12-18T01:17:54.488Z Db(167) Hostd[2098714]: -->    ],
2024-12-18T01:17:54.489Z Db(167) Hostd[2098714]: -->    vmknicBound = false,
2024-12-18T01:17:54.489Z Db(167) Hostd[2098714]: --> }
2024-12-18T01:17:54.489Z In(166) Hostd[2098723]: [Originator@6876 sub=Solo.Vmomi opID=m3sz0s25-2467839-auto-1gw74-h5:70448354-a0-e3-8c27 sid=52a07fce user=vpxuser:Broadcom\VMwareuser] Throw vim.fault.PlatformConfigFault
2024-12-18T01:17:54.489Z In(166) Hostd[2098723]: [Originator@6876 sub=Solo.Vmomi opID=m3sz0s25-2467839-auto-1gw74-h5:70448354-a0-e3-8c27 sid=52a07fce user=vpxuser:Broadcom\VMwareuser] Result:
2024-12-18T01:17:54.489Z In(166) Hostd[2098714]: --> (vim.fault.PlatformConfigFault) {
2024-12-18T01:17:54.489Z In(166) Hostd[2098714]: -->    faultMessage = (vmodl.LocalizableMessage) [
2024-12-18T01:17:54.489Z In(166) Hostd[2098714]: -->       (vmodl.LocalizableMessage) {
2024-12-18T01:17:54.489Z In(166) Hostd[2098714]: -->          key = "com.vmware.esx.hostctl.default",
2024-12-18T01:17:54.489Z In(166) Hostd[2098714]: -->          arg = (vmodl.KeyAnyValue) [
2024-12-18T01:17:54.489Z In(166) Hostd[2098714]: -->             (vmodl.KeyAnyValue) {
2024-12-18T01:17:54.489Z In(166) Hostd[2098714]: -->                key = "reason",
2024-12-18T01:17:54.489Z In(166) Hostd[2098714]: -->                value = "Mount failed: Unable to complete Sysinfo operation. Please see the VMkernel log file for more details.: Unable to connect to NFS server: VSI node (5001:) "
2024-12-18T01:17:54.489Z In(166) Hostd[2098714]: -->             }
2024-12-18T01:17:54.489Z In(166) Hostd[2098714]: -->          ],
2024-12-18T01:17:54.489Z In(166) Hostd[2098714]: -->       }
2024-12-18T01:17:54.489Z In(166) Hostd[2098714]: -->    ],
2024-12-18T01:17:54.489Z In(166) Hostd[2098714]: -->    text = "",
2024-12-18T01:17:54.489Z In(166) Hostd[2098714]: -->    msg = ""
2024-12-18T01:17:54.489Z In(166) Hostd[2098714]: --> }

Environment

VMware vCenter Server 
VMware vSphere ESXi 

Cause

Switch configuration and Firewall settings. 

Resolution

Involve your internal networking team to check your Switches and L2 bridge domain configuration as well as the firewalls to ensure that it's not affecting NFS traffic on different switches. 

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