Solution for error "ToolError: command result time out." occurs regularly for CLIDK operations

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If "ToolError: command result time out." occurs regularly while networks and devices are running properly, the cause and solution are as follows:
Cause:
When CLIDK establishes a connection, it saves the password input by a user and executes AES encryption for the password using java.security.SecureRandom. By default, the /dev/random file is used to generate the security random numbers on Linux. The random numbers are of limited quota and require time to generate once used up.
Solution:
Find the JRE security setting file (in Windows, generally stored in %JAVA_HOME%/lib/security/java.security; in Linux, generally stored in $JAVA_HOME/lib/security/java.security). Then change the value of securerandom.source=file:/dev/urandom to securerandom.source=file:/dev/./urandom.

Other related questions:
Method of downloading the CLIDK operation guide
Method of downloading the CLIDK operation guide is as follows: Log in to the Huawei Enterprise Service Support website and choose Support > Cloud Storage > Tools and Platform > OceanStor Toolkit. Search for the CLIDK operation guide of the corresponding version and download it.

FAQs about OceanStor Toolkit
Refer to Revelations of Troublesolving cases on the right.

Reason for an OS installation failure
Server OS installation failures may be caused by the following: 1. The RAID array is not set as the boot option. 2. The size of the partition for OS installation exceeds 2 TB. 3. The ServiceCD is not used for installation. 4. The installation file is damaged.

VC solution quick configuration
For operations related to VC solution quick configuration, see the VC V500R002C00 Quick Configuration Guide Video.

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