OceanStor reported this error "cannot obtain the disk array check results" during iManager U2000 server manual switchover

Problem Description

While switching the iManager U2000 server from primary to secondary by using the Msuite iManager an error message displayed, like this "cannot obtain the disk array check results"

Handling Process

Upon review and troubleshooting on the primary server  and Secondary server , we found the following:

1. The OceanStor storage was not reachable by SSH

2. The Storage password couldn’t login.

Root Cause

1. The storage password was not accessible;

2. The storage was not activated and this can affect the server switching from Primary to Secondary.

Solution

The following were done to recover the password and activate the storage:

1. Reset the storage password for both servers;

2. Activate the storage for both servers

Suggestion and Summary

The following should be taken into consideration when operating the manual server switchover.

1. Proper Switching procedure should be followed: Refer to OceanStor unified storage Product maintenance.

1. Reset password :

Open this link and you will find the solution: https ://support.huawei.com/hedex/hdx.do?lib=SE0000592737YEC06134&docid=SE0000592737&lang=en&v=24&tocLib=SE0000592737YEC06134&tocV=24&id=EN-US_TOPIC_0012941676&tocURL=resources/en-us_topic_0012941676.html&p=t&fe=1&ui=3&keyword=Initialize%2B

b. Activate the storage:

Use the following command: # cd /opt/oss/engr/engineering/ha_review/canfig_array.sh

NB: Refer to OceanStor unified storage Product maintenance.

2. If Switch-over from Primary to Secondary Server is required, step by step procedures should be followed: Refer to Manual attached or product documentation

NB: Refer to iManager U2000 Unified Network Management System Product Documentation Product Version：V200R015C60 for more comprehensive details

Before correction                                                              After correction