Symptom
- Multiple VMs are configured on a storage system. Oracle database services are running on one VM, and the VM is handling constant read/write access or is executing the SLOB test.
- The services of those VMs are migrated concurrently, excluding the VM where Oracle database services are running.
- During the migration process, the performance of Oracle database services deteriorates greatly.
Alarm Information
N/A
Possible Causes
VM migration consumes a large number of bandwidth resources, which adversely affects the performance of Oracle database services.
Fault Diagnosis
N/A
Solution
Run the change full_copy job_information command in developer mode to set the copy concurrency and speed of VAAI. In the command, speed indicates the copy speed and concurrent_value indicates the number of concurrent copy tasks.

Check After Recovery
N/A
Applicable Versions
OceanStor Dorado V300R001