'to report an alert whenever a server issues a specific error message.' This information can be found in the first search result[1], which explains that defining an alert trigger allows you to specify a specific condition that, when met, will cause an alert to be generated. The example given is when a specific error message is issued by the server. This alert can help administrators quickly identify and address issues with the server.

According to the IBM documentation, the purpose of defining an alert trigger in IBM Spectrum Protect (formerly known as Tivoli Storage Manager) is to report an alert whenever a server issues a specific error message or warning message. This alert can be sent to a specific user or group of users via email, pager, or other notification methods, allowing them to take appropriate action to resolve the issue.

https://www.ibm.com/docs/en/spectrum-protect/8.1.3?topic=center-sending-email-alerts-administrators

The command used to copy data in directory-container storage pools to tape in IBM Spectrum Protect is the 'COPY STGPOOL' command.

According to the IBM documentation, the 'COPY STGPOOL' command creates a copy of the data in the specified storage pool on a different storage pool, such as a tape storage pool. This command is typically used to create a backup copy of the data in the storage pool in case the original copy is lost or becomes corrupted.

https://www.ibm.com/docs/en/spectrum-protect/8.1.0?topic=pool-copying-directory-container-storage-pools-tape

According to IBM documentation1, to define a server for server-to-server communications, you need to use theDEFINE SERVERcommand and specify three parameters:SERVERNAME,HLADDRESS, andLLADDRESS. TheSERVERNAMEparameter is the name of the server that you are defining. TheHLADDRESSparameter is the high-level address of the server that you are defining. TheLLADDRESSparameter is the low-level address of the server that you are defining.

According to IBM documentation1, the purpose of theSET REPLSERVERcommand is to set the name of a target replication server for a source replication server. The command has two parameters:SERVERNAMEandREPLSERVER. TheSERVERNAMEparameter is the name of a source replication server that you want to replicate data from. TheREPLSERVERparameter is the name of a target replication server that you want to replicate data to.

According to IBM documentation1, the purpose of theSET REPLSERVERcommand is to set the name of a target replication server for a source replication server. The command has two parameters:SERVERNAMEandREPLSERVER. TheSERVERNAMEparameter is the name of a source replication server that you want to replicate data from. TheREPLSERVERparameter is the name of a target replication server that you want to replicate data to.

https://www.ibm.com/docs/en/spectrum-protect/8.1.9?topic=servers-whats-new

In IBM Spectrum Protect node replication, dissimilar policies provide the ability to replicate client data between source and target servers with differing retention settings.

Dissimilar policies allow for more granular control over the retention settings of client data on the target server, which can be different from the retention settings on the source server. This means that the data can be kept for a longer or shorter period of time on the target server compared to the source server, based on the specific retention policies configured for the target server.

According to IBM documentation1, dissimilar policies provide the ability to use different management policies on the target replication server than on the source replication server. This means that you can have different retention periods, storage pools, or data types for replicated data on the target server. You can enable this feature by using theSET DISSIMILARPOLICIEScommand.

https://www.ibm.com/docs/SSEQVQ_8.1.9/srv.reference/r_cmd_dissimilarpolicies_set.html