User's Manual

2.4
Recovery Manager Layout
3PAR Recovery Manager 3.0.2 for Microsoft SQL Server User’s Guide
3PAR Confidential
3 Volume Shadow Copy service communicates with the provider to initiate the shadow copy
process for the disk volumes that contain the Microsoft SQL Server data. VSS communicates
with the writers and providers to create a shadow copy. The provider actually creates the
shadow copy.
4 The shadow copy typically takes less than a minute.
5 When the shadow copy has been taken, Volume Shadow Copy service communicates with
the Microsoft SQL Server with MSDE writer or SQL writer to let it know that it can resume
writing to disk.
6 The queues of SQL transactions are written to the logs.
7 The shadow copy is now available to the requestor for backing up.
2.3 Recovery Manager Layout