Networker: NMC Alert "Cannot write to Database - errno Invalid Argument" Due to TCP Connection Timeout
Сводка: NMC was generating the following alert: Cannot write to /Database/Database/97/08/50dea767-00000006-2b43c6c3-6a43c6c3-edd60c00-c89dd629 - errno Invalid argument
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Симптомы
The NetWorker Management Console (NMC) Monitoring Tab reports the following error frequently:
Cannot write to /Database/Database/97/08/50dea767-00000006-2b43c6c3-6a43c6c3-edd60c00-c89dd629 - errno Invalid argument
The NetWorker server daemon logs also report:
XXXXXXXX nsrd NSR info 9 %s %s: %s 3 0 5 media 0 9 emergency 0 120 Cannot write to /Database/Database/97/08/50dea767-00000006-2b43c6c3-6a43c6c3-edd60c00-c89dd629 - errno Invalid argument.
- Linux:
/nsr/logs/daemon.raw - Windows (Default):
C:\Program Files\EMC NetWorker\nsr\logs\daemon.raw - NetWorker: How to use nsr_render_log to render .raw log files
Причина
The issue was likely caused by intermittent network session disconnections or timeout conditions between NetWorker components. When long-running operations experienced idle periods, the underlying TCP connections could be prematurely terminated by the operating system, firewall, or network devices. This resulted in communication interruptions while updating or writing information to the NetWorker database, leading to the "
Cannot write to /Database/Database... errno Invalid argument" alert.
Разрешение
Configre The
The full list of per-operating system instructions for TCP parameters are documented in the following article: NetWorker: Best practices for networking configuration
NW_TCP_KEEPIDLE_SECS, NW_TCP_KEEPINTVL_SECS, NW_TCP_KEEPCNT, and NSR_SOCK_BUF_SIZE environment variabled on the NetWorker server operating system.
The full list of per-operating system instructions for TCP parameters are documented in the following article: NetWorker: Best practices for networking configuration
Затронутые продукты
NetWorker Family, NetWorkerСвойства статьи
Номер статьи: 000486369
Тип статьи: Solution
Последнее изменение: 07 Jul 2026
Версия: 1
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