After a snapshot of the LUN of the redundancy site is created, the snapshot is not activated at the same time.

Disaster recovery storage side of thedatabase resides in the cache has not been written to the hard disk.

When creating a snapshot on the disaster recovery end LUN, the production end is copying data to the disaster recovery end.

The production end and disaster recovery end adopt the disaster recovery solution of incremental LUN copy. The incremental data is abnormally interrupted during the synchronization process and has not been repaired.

Use the mount command to view the file system mount status is read-only

mount the damaged file system, the direct implementation of fsck to repair

should not be arbitrary on the normal operation of the fsck file system

By collecting, var / log / message host log information to locate file system failure

Multiple LUNs for Customer Business. When implementing data migrationusing remote replication, you need to add multiple remote replication tasks to a consistency group

Use remote replication to complete online data migration

LUN copy or remote replication. After the migration is complete, you do not need to do any configuration on the host to start the service

LUN copy data migration. During the copy process, you can dynamically change the migration rate