Software Manual

2.45
Requirements and Restrictions
InForm OS Version 2.3.1 Remote Copy User’s Guide
2.14.3 Synchronous Long Distance Restrictions
For Synchronous Long Distance Remote Copy configurations, a maximum of two storage
servers can be used as backup servers for one primary storage server. Additionally, the
following restrictions apply to Synchronous Long Distance Remote Copy configurations:
■ All storage servers must have at least four controller nodes each.
■ Only unidirectional functionality allowed between Remote Copy pairs.
■ Only one synchronous and one asynchronous periodic target is allowed.
■ Only two targets are allowed.