Knowledge BaseSolutionsUpgrade ShareBlock sanlock in ZStack Cloud 4.3.x to address stalled vgchange and unreleased locks

Upgrade ShareBlock sanlock in ZStack Cloud 4.3.x to address stalled vgchange and unreleased locks

SolutionsZCF · CloudVersions4.3.x / 3.8.xArticle IDKB-200093Updated2026-09-16

Applicable scenario

  • Product: ZCF
  • Component: Cloud
  • Versions: 4.3.x, 3.8.x
  • Deployment topology: dual management nodes
  • Trigger: Upgrade sanlock to address stalled vgchange and locks not automatically released after a storage failure.

Symptoms

  • vgchange stalls.
  • Locks are not automatically released after a storage failure.
  • The underlying sanlock component and associated lock service require upgrade.

Determination method

  1. Confirm that physical-host and storage ping

Sign in to view the rest of this article, plus more troubleshooting and solution know-how.

Upgrade ShareBlock sanlock in ZStack Cloud 4.3.x to address stalled vgchange and unreleased locks | KB-200093 | ZStack Resource Center