After migration a 5TB (external volume) with Mobility tab in HCS.
My not able to clean up pools and external storage.
because Data Direct Mapping flag is enabled.
At the Pool Edit the Data Direct Mapping is greyed out.
does some one have any idea to fix this issue
Hitachi supported advised me to block the dp-ldev , after blocking was completed, disconnect external storage. after completed, delete ldev. this was the correct procedure to delete de ldev.