Method used to check the error code record using ISM

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Method used to check the error code record using ISM:
ISM records error codes generated after the system is powered on (the iSCSI port records front-end error codes and the Fibre Channel and SAS ports record back-end error codes). It is normal that a few error codes are generated in the system, which does not affect the proper running of the system. You need to focus on a large number of error codes generated within a period of time because it triggers the error code policy of the storage system.
R1 version: Choose Settings > System Monitoring > Error Code Statistics.
R2 version: Choose Settings > Advanced > Error Code Statistics.

Other related questions:
Method used to check the license revocation code on firewalls
You can check the license revocation code as follows: Run the display license revoke-ticket command.

Method used to handle the error message (error code 38754) displayed upon a failure to query the OLP status on the port protection window
This issue is caused by a board hardware fault. When this occurs, replace the board.

Method used to check storage cache
You can run the showcontroller command on the CLI to check the cache of T series V100R005 storage systems. For V3 series storage systems, run the show controller general command to check the cache. In the command output, you can obtain related information from the electronic label. Note: The sum of the two controller memory sizes is the storage cache size.

Method used to view the BOM code on USG firewalls
On the USG2000, USG5000, and USG6000, the BOM code indicates the material code. You can check the 3rd to 10th places in the device ESN. For example: display firewall esn Device ESN is: 2102359833Z0C80000xx The BOM code of this device is 02359833.

Symptoms of error codes
Symptoms of error codes: If a few error codes are generated occasionally because the link is removed and inserted or the device is reset, the system will not be impacted. However, if a large number of error codes are generated continuously, the following symptoms will occur: The read and write speed of the host becomes slow or read and write failures occur. An alarm indicating a large number of error codes on the Fibre Channel ports or an alarm indicating single link (Fibre Channel) of the disk is reported. SAS cascading ports are partially damaged or an alarm indicating SAS cascading port failures is reported.

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