自動ロード バランシングによる暗黙的なボリューム転送

環境

• NetApp Eシリーズ
• SANtricity System Manager 11.30以降

問題

• Recovery GuruレポートNON_PREFERRED_PATH-Recovery Failure Type Code: 10
• コントローラの障害LEDがオレンジに点灯します。
• VMware vCenterから次のエラーが報告され、数秒で解決します。
  Lost connectivity to storage device naa.xxxxxxxxxxxxxxxxx. Path vmhba70:C0:xxx:xxx is down. Affected datastores:xxxxxxx.
• MELレポート Auto Load Balancing implicit volume transfer

Date Time       Event Type   Description
2021-04-07 05:11:01   9104   Analysis of workload balance was performed
2021-04-07 04:10:49   9104   Analysis of workload balance was performed
2021-04-07 03:40:43   9106   The workload balance was evaluated following load optimization
2021-04-07 03:10:37   9105   Workload was automatically balanced by transferring volumes
2021-04-07 03:10:37   204A   Auto Load Balancing implicit volume transfer
2021-04-07 03:10:37   212C   Write-back caching fully restored
2021-04-07 03:10:37   2023   Media scan (scrub) completed
2021-04-07 03:10:37   210A   Controller cache not enabled or was internally disabled
2021-04-07 03:10:37   9104   Analysis of workload balance was performed
2021-04-07 03:10:37   2024   Media scan (scrub) resumed
2021-04-07 03:10:36   212C   Write-back caching fully restored
2021-04-07 03:10:36   210A   Controller cache not enabled or was internally disabled
2021-04-07 02:10:25   9104   Analysis of workload balance was performed
2021-04-07 01:10:13   9104   Analysis of workload balance was performed