The --mode command in the DR Series system command line interface (CLI) command supports three values, which represent optimized writes done via:
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passthrough (--mode passthrough) — The client will pass all data to the DR Series system for deduplication processing (appliance-side deduplication). |
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auto (--mode auto) |
These OST commands are used in the following format: ost --update_client --name --mode.
NOTE: If a RDA with OST client has four or more CPU cores, it is considered to be “dedupe-capable.” However, the client operating mode depends upon how it is configured in the DR Series system (Dedupe is the default RDA with OST client mode). If the administrator did not configure a client to operate in a specific mode and it is dedupe-capable, it will run in the Dedupe mode. If a client is not dedupe-capable (meaning the client has less than four CPU cores), and the administrator sets it to run in the Dedupe mode, it will only run in the Passthrough mode. If a client is set to run in Auto mode, the client will run in the mode setting determined by the media server. The following table shows the relationship between the configured client mode types and the supported client mode based on client architecture type and corresponding number of CPU cores. |
NOTE: The --files in the ost --show --file_history command represents replicated files that were processed via the DMA optimized duplication operation. This command displays only up to the last 10 such files. The --name in the ost --show --name command represents the OST container name. |
NOTE: For more information about OST-related DR Series system CLI commands, see the DR Series System Command Line Reference Guide. |
You can collect diagnostic logs for supported DMAs with the RDA with OST plug-in.
NOTE: The directory location, C:\ProgramData, is considered to be a hidden directory on Windows-based systems. However, you can copy and paste C:\ProgramData\Dell\DR\log\ into your Internet Explorer Address bar or you can enter this into the Windows command prompt window (Start→ All Programs→ Accessories→ Command Prompt). |
For more information about RDA with OST plug-ins and logs, see the topics that follow.
You can use a Linux utility called Dell_diags to collect diagnostics from Linux-only clients. This Linux utility is installed by the OST plug-in installer in the /opt/Dell directory. The tool collects the following types of information:
The Dell_diags diagnostics file is written to the following location: /var/log/diags_client location.
The default log level is set to Error in the OST plug-in, is user-configurable, and can be modified via the DR Series system CLI or GUI.
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