vSAN file services  not allow to mount App volumes  after patching
search cancel

vSAN file services  not allow to mount App volumes  after patching

book

Article ID: 414028

calendar_today

Updated On:

Products

VMware vSAN

Issue/Introduction

vSAN fileservice VM resetting every 30 minutes after patching ESXi

Environment

vSAN 8.x

Cause

Host filesystem VM has lost access to the DNS service

log/vdfs_support/containers/fsvm_logs/journal

Aug 08 04:50:54.057556 photon-a0ae3c753c00 dockerd[1128]: time="2025-08-08T04:50:54.057486095Z" level=error msg="[resolver] failed to query DNS server: xx.xxx.xxx.xx:53, query: ;_ldap._tcp.dc._XXXXX.AD.XXXXX.ORG.\tIN\t SRV" error="read udp xx.xxx.xxx.xx:55224->xx.xxx.xxx.xx:53: i/o timeout"
Aug 08 04:50:59.720713 photon-a0ae3c753c00 dockerd[1128]: time="2025-08-08T04:50:59.720624669Z" level=error msg="[resolver] failed to query DNS server: xx.xxx.xxx.xx:53, query: ;_ldap._tcp.dc._XXXXX.AD.XXXXX.ORG.\tIN\t SRV" error="read udp xx.xxx.xxx.xx:51338->xx.xxx.xxx.xx:53: i/o timeout"
Aug 08 04:51:03.721279 photon-a0ae3c753c00 dockerd[1128]: time="2025-08-08T04:51:03.721223666Z" level=error msg="[resolver] failed to query DNS server: xx.xxx.xxx.xx:53, query: ;_ldap._tcp.dc._XXXXX.AD.XXXXX.ORG.\tIN\t SRV" error="read udp xx.xxx.xxx.xx:46962->xx.xxx.xxx.xx:53: i/o timeout"

Resolution

Recreate the FSVM on the host

  1. Place the host into maintenance mode
  2. Remove the FSVM for the host from inventory
  3. Take the host out of maintenance mode
Powered by Wolken Software