Networker: NMC Alert "Cannot write to Database - errno Invalid Argument" Due to TCP Connection Timeout
Zhrnutie: 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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Symptómy
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
Príčina
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.
Riešenie
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
Dotknuté produkty
NetWorker Family, NetWorkerVlastnosti článku
Číslo článku: 000486369
Typ článku: Solution
Dátum poslednej úpravy: 07 júl 2026
Verzia: 1
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