Difference between revisions of "SCACP"
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| − | * SHOW VC displays [[PEDRIVER]] [[ | + | * SHOW VC displays [[PEDRIVER]] [[Virtual Circuit|virtual circuit]] information. Each virtual circuit is an SCACP communications path between the local system and a remote system comprised of a set of [[Channel|channels]]. |
* SHOW CHANNEL displays [[PEDRIVER]] channel information for specific nodes. Each channel is a single [[NISCA]] communications path between a LAN device on a local system and a LAN device on the remote system. | * SHOW CHANNEL displays [[PEDRIVER]] channel information for specific nodes. Each channel is a single [[NISCA]] communications path between a LAN device on a local system and a LAN device on the remote system. | ||
* SHOW LAN_DEVICE displays [[PEDRIVER]] LAN device information. Each device is a local LAN device on the system, which can be used for [[NISCA]] communications. | * SHOW LAN_DEVICE displays [[PEDRIVER]] LAN device information. Each device is a local LAN device on the system, which can be used for [[NISCA]] communications. | ||
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* [https://support.hpe.com/hpsc/doc/public/display?docId=emr_na-c04619857 Guidelines for OpenVMS Cluster Configurations] | * [https://support.hpe.com/hpsc/doc/public/display?docId=emr_na-c04619857 Guidelines for OpenVMS Cluster Configurations] | ||
* [https://support.hpe.com/hpsc/doc/public/display?docId=emr_na-c04623183 OpenVMS Cluster Systems] | * [https://support.hpe.com/hpsc/doc/public/display?docId=emr_na-c04623183 OpenVMS Cluster Systems] | ||
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| + | [[Category:Utilities]] | ||
Latest revision as of 18:51, 12 December 2019
SCACP (the SCA Control Program) is a system management tool for monitoring and managing cluster communications.
Running the Utility
To invoke SCACP, execute $ MCR SCACP or $ RUN SYS$SYSTEM:SCACP. Using SCACP requires SYSPRV.
Commands
- SHOW VC displays PEDRIVER virtual circuit information. Each virtual circuit is an SCACP communications path between the local system and a remote system comprised of a set of channels.
- SHOW CHANNEL displays PEDRIVER channel information for specific nodes. Each channel is a single NISCA communications path between a LAN device on a local system and a LAN device on the remote system.
- SHOW LAN_DEVICE displays PEDRIVER LAN device information. Each device is a local LAN device on the system, which can be used for NISCA communications.
- SHOW IP_INTERFACE displays the PEdriver device IP interface data. Each device is an IP interface on the system which can be used for NISCA communications.
- SHOW PORT displays information about selected SCA ports.
- SHOW TRACE displays PEDRIVER tracing data and parameters.
- SET CHANNEL sets channel management parameters (currently restricted to priority).
- SET VC sets virtual circuit management parameters: checksumming, compression, ECS delay threshold, transmit window size, and receive window size values.
- SET LAN_DEVICE sets device management priority parameter.
- SET IP_INTERFACE sets IP interface management priority parameter.
- SET PORT sets a port management priority value.
- SET TRACE sets or modifies PEDRIVER tracing parameters.
- START IP_INTERFACE directs PEDRIVER to start using the specified IP interface.
- START LAN_DEVICE directs PEDRIVER to start using the specified LAN device.
- STOP IP_INTERFACE directs PEDRIVER to stop using the specified IP interface.
- STOP LAN_DEVICE directs PEDRIVER to stop using the specified LAN device.
- STOP TRACE stops PEDRIVER tracing.
- CALCULATE WINDOW_SIZE calculates a recommended virtual circuit window size based on distance and aggregate line speed between two nodes.
