Incident Library
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  1. IL-0538 Sakura Cloud storage maintenance deleted 53 in-use customer disks, and the disks could not be restored from backup
    Sakura Internet2012
    Symptoms

    During emergency maintenance on 5 January 2012, a bulk deletion of unneeded file systems on the Sakura Cloud storage device also deleted 53 disks that customers were using. The deleted disks could not be restored from backup.

    Data loss
    Trigger

    In the emergency maintenance on 5 January 2012, Sakura Internet ran a batch command written only for that maintenance to delete unneeded file systems on the storage device in bulk.

    Root cause
    Operator error
    Component
    Cloud block storageDatabase backups and snapshots
    Contributing factor
    Missed in reviewUntested backup
    Action items
    • Simplify the process for deleting unneeded file systems
    • Do not run scripts that have not been reviewed and tested enough
    View case
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This case involves Cloud block storage and Database backups and snapshots. kubegap audits a Kubernetes cluster for gaps like these, read-only, from Claude Code or Codex; its checks cite public reports like the ones in this library.

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Operator error1 case

Component
Cloud block storageDatabase backups and snapshots
Contributing factor
Untested backupMissed in review
Organisation
Sakura Internet
  1. IL-0538 Sakura Cloud storage maintenance deleted 53 in-use customer disks, and the disks could not be restored from backup
    Sakura Internet2012