NetWorker:備份失敗,因為沒有足夠的裝置來為要求提供服務
Summary: 本文詳細說明裝置數量不足 (或每個裝置的目標工作階段) 導致備份失敗的問題。
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Symptoms
備份失敗,以下症狀指出裝置處於忙碌狀態,無法完成備份:
Error: 'ORA-19511: non RMAN, but media manager or vendor specific failure, error text: busy (0:5:2)'
Error:'ORA-19511: Error received from media manager layer, error text: busy (0:5:2)'
Error: '_nwbsa_is_retryable_error received a retryable network error (Severity 0 Number -13) busy'
Error: 'nsrdasv: Failed to acquire user credentials for direct save nsrmmd auth: busy'
Error: 'save: Unable to setup direct save with server nsr_server.domain.com: busy.'
Error: 'hdbbackint: Unable to setup direct save with server nsr_server.domain.com: busy.'
Error: 'lgto_auth for `nsrmmd' failed: busy'
Cause
當設備忙於為其他用戶端提供服務時,通常會發生此問題。
Resolution
通過執行以下操作解決此問題:
- 停用動態
nsrmmds:
NMC >裝置>儲存節點儲存>節點屬性> 取消勾選「動態 nsrmmds」 - 增加裝置的目標工作階段,直到問題解決為止。
- 讓更多磁碟區 (裝置) 可用於備份,直到問題解決為止。
- 設定
NSR_MAX_START_RETRIES=100對於每個通道。
Affected Products
NetWorker Module for Databases and ApplicationsProducts
NetWorker, NetWorker Module for Databases and Applications, NetWorker Module for SAPArticle Properties
Article Number: 000167090
Article Type: Solution
Last Modified: 25 Mar 2026
Version: 4
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