--- sgdisk partition table

https://www.cnblogs.com/mountain2011/p/9622001.html

sgisk gpt partition table setting tool, gpt patmanipulator

Write what I am concerned about the use of project:
backup and recovery a) partition table
1. sgdisk --backup = / root / sdb.partitiontable / dev / sdb
2. If a failure occurs, you can use --load-backup option sgdisk command restore partition table