Problem
When running the nbdevquery command, it will display that the storage server is down.
Error Message
NetBackup status code: 2106. Disk storage server is down
Cause
Invalid/obsolete host records can cause communication problems, leading to the storage server going down.
Solution
On the master server and media servers, follow the steps below to clear the NetBackup host cache.
- Check for stale host_cache entries using the bptestnetconn command.
- If there are incorrect or outdated entries, proceed to step 2.
- Run the bpclntcmd -clear_host_cache command.
- Note: To release any locks of the host cache, it may be necessary to restart NetBackup services to fully clear the host cache.
- Review the status of storage server by using the nbdevquery command.
- The storage server should be in an up state.
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