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Dell PowerStore Configuring SMB

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Configurable anti-virus parameters

The table below details the parameters that can be configured in the viruschecker.conf CAVA configuration file. You can create the configuration file and then upload it to PowerStore.

Table 1. Anti-virus parametersThis table lists the parameters that can be configured in the CAVA configuration file.
Parameter Description Mandatory Example
addr= Sets the IP addresses of the CAVA server or servers. Yes addr=10.205.20.130
masks= Configures the file extensions that are scanned. Yes masks=*.exe:*.docx:*.com
excl= Lists file extensions that are excluded during the scan. No excl=pagefile.sys
maxsize=<n>

Integer. Sets the maximum file size for files that are checked. Files that exceed this size are not checked.

No maxsize=4294967290
surveyTime=<n> Sets the time interval (in seconds) used to scan all AV servers to see if they are online or offline. If no AV server answers, the shutdown process begins, using the configured shutdown parameter (see next row). No surveyTime=600
shutdown= Specifies the shutdown action to take when no server is available. The default value is Allow Access. No Allow Access, Stop_SMB_Access, Disable_Virus_Checker
highWaterMark=<n> Alerts the system when the number of requests in progress exceeds highWaterMark. No highWaterMark=200
lowWaterMark=<n> Alerts the system when the number of requests in process is lower than lowWaterMark. No lowWaterMark=50
msrcpuser= Specifies the name that is assigned to either a simple user account or a user account that is part of a domain that the CAVA service is running under on the CEE machine. No User account:

msrpcuser=user1

Domain/user account:

msrpcuser=CEE1/user1

httpport= Specifies the HTTP port number on the CEE machine that the system uses. No httpport=12228
RPCRetryTimeout Sets the timeout (in milliseconds) of the RPC retry. No RPCRetryTimeout=4000 milliseconds
RPCRequestTimeout Sets the timeout (in milliseconds) of the RPC request. When an RPC is sent to the CAVA server, if the server answers after the RPCRetryTimeout, The NAS server retries until RPCRequestTimeout is reached and then moves to the next available CAVA server. No RPCRequestTimeout=20000 milliseconds
reference time Enables a scan on the first read. If the last access time of a file is earlier than reference time, on access, the file is sent to the Virus Checker before the client is granted access. No reference_time=2022-10-27T18:30:00

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