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Volume on local storage cannot be accessed normally

TroubleshootingZCF · CloudVersions3.x-5.5.30Article IDKB-100263Updated2026-08-19

Issue/Introduction

This article describes how to troubleshoot a volume on local storage that cannot be accessed normally. It applies to the initial diagnosis and resolution of similar issues in ZStack Cloud.

Environment

  • Product: ZCF
  • Component: Cloud
  • Version: 3.x-5.5.30

Symptoms

The following command shows that disk fragmentation exceeds 99%:

[root@localhost ~]# xfs_db -c frag -r /dev/sdc1

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Volume on local storage cannot be accessed normally | KB-100263 | ZStack Resource Center