Rich,
As I had indicated in a previous post on a similar topic, you will need to
minimize writes to the SAN during a mirror split during FlashCopy (in IBM,
BCV in EMC and ShadowImage in Hitachi). In my limited understanding, once
the command to split is received by the SAN, it has to make sure
We have been using Hitachi and EMC SANs.
The procedure is
1. Issue BEGIN BACKUP commands for *ALL* the Tablespaces
2. Use the SAN's commands to split the ShadowImage or FlashCopy for
the DataFiles FileSystems
3. Issue END BACKUP commands
4. Issue an ARCHIVELOG CURRENT command [and we also
