Problem and solution when a conflict occurs during address set configuration on the USG6000 series


The conflict occurs because the device is already in the address set.

Other related questions:
Problem and solution when an error is reported during NAT IP address configuration on a virtual system
Only public IP addresses assigned to the virtual system can be used as the public IP addresses for NAT, NAT server, and interfaces.

Problem and solution when the USG6000 virtual system cannot be configured
Check the permission of the administrator account used for login. If you use the root system administrator account to configure the virtual system, the level of the root system administrator shall be the system administrator. If you use the virtual system administrator account to configure the virtual system, the level of the virtual system administrator shall be the system administrator or the configuration administrator with the read and write permissions. Choose System > Admin > Administrator Role and configure the administrator account.

Solution to the problem of conflicting DHCP addresses on S series switches
For S series switches excluding the S1700, the IP address obtained by a client conflicts with that of another client. The possible cause is that the IP address of another host has been manually configured and the DHCP server does not delete the IP address from the address pool.

Problem and solution when disk isolation occurs
You can perform the following operations when disk isolation occurs: The following causes may result in disk isolation: Bit error Reinserting disks repeatedly Disk power connection problem 1. Bit error Check the bit error of back-end SAS disks. Search keywords err inc and disable disk phy in the SES log. Note: phy:9 phymon***disable disk phy in the log shows that disk phy 9 is isolated. That is, the disk in slot 9 is isolated (phy0 to phy23 corresponds to disk 0 to 23). Troubleshooting 1. Before removing a faulty disk, collect S.M.A.R.T. information. 2. If conditions permit, insert the isolated disk to other slots to check whether isolation is caused by the disk or the slot. If isolation is caused by the disk, apply for disk replacement. If isolation is caused by the slot, check whether the slot has any foreign objects. Check the bit error on Fibre Channel disks. Search keyword lcv that is Fibre Channel bit errors in the SES log. If HD 0 and lcv ffff are displayed, the information indicates that a large quantity of bit errors are produced in slot 0 and cause disk isolation. The back-end Fibre Channel bit errors can spread from the port to the disk. If a Fibre Channel disk is isolated, check whether bit errors occur on the port by using the following methods: Check on the ISM. Enter fc allinfo in MML mode. Note: If any information displayed is not 0, bit errors exist. If bit errors are detected on the port, verify whether bit error are generated in the link. For details about how to verify, see the troubleshooting cases for a single link failure of the Fibre Channel enclosure disk caused by bit errors. Troubleshooting: If only one disk fails, verify the failure by using the above method. If a link fails, replace the optical module and optical cables and verify the failure. If a link does not fail, use the same method as one carried out on the SAS disk. If multiple disks are faulty, refer to the troubleshooting cases for a single link failure of the Fibre Channel enclosure disk caused by bit errors. 2. Reinserting disks repeatedly Note: A drive can isolate the disk from other ones if intermittent disconnections occur on the disk. Reinserting disks repeatedly may lead to disk isolation. Verify whether the disk is reinserted many times within a short period. If such a case exists, reinserting disk may result in disk isolation. Troubleshooting: Reinsert the disk. 3. Disk power connection problem Note: If the disk enclosure is affected by violent shaking, disk power may be insecurely connected and the disk is isolated. Troubleshooting: Contact R&D engineers for further analysis.

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