IBM DS6000 - Manual (Page 487)

Chapter 30. IIBM TotalStorage Rapid Data Recovery 463
second PCM in the form of logs from the Master Process. These logs are then used to update
state information in case the Backup Process must take control of the configuration, as well
as for documentation purposes if there is an alternate site failure.
Figure 30-5 eRCMF Architecture: 2-site configuration
Figure 30-6 eRCMF Architecture: 3-site configuration
AIX – Backup PCM
Storage Server (s)
Site 1 - Production
AIX – Primary PCM
Storage Server (s)
Site 2 - Backup
TCP/IP / SNMP
ESCON / FCP
Metro Mirror, Global Copy
Global Mirror
FlashCopy
Management
Interface
WebSphere - HTTPS
eRCMF
eRCMFconfig.properties
Enterprise.dat
VolumeSet.dat
Hosts.dat
Authentication.file
eRCMF
eRCMFconfig.properties
Enterprise.dat
VolumeSet.dat
Hosts.dat
Authentication.file
ESS Network Interface ESS Network Interface
Metro Mirror, up to:
Global Copy, over:
103 km / 300 km
FlashCopy
SNMP
Listener
eRCMF
eRCMFconfig.properties
Enterprise.dat
VolumeSet.dat
Hosts.dat
Authentication.file
eRCMF
eRCMFconfig.properties
Enterprise.dat
VolumeSet.dat
Hosts.dat
Authentication.file
ESS Network Interface ESS Network Interface
WebSphere - HTTPS
Backup process
(Master process)
Master process
(Backup process)
Shadow
Volumes
Host
Volumes
Journal
Volumes
Shadow
Volumes
Shadow
Volumes
Journal
Volumes
Host
Volumes
Storage Server(s)
Copy Services
Site 2 - Backup
FlashCopy
TCP/IP
SNMP
AIX – Backup PCM
Storage Server(s)
Site 1 - Production
FlashCopy
AIX – Primary PCM
Storage Server(s)
Site 3 - Remote
FlashCopy
Metro Mirror, up to
103 km / 300 km
ESCON
FCP
Metro
Mirror
ESCON
FCP
Global
Copy
Global Copy, over
103 km / 300 km
Copy Services
(CSServer on ESS 800 / 750)
Copy Services
(CSServer on ESS 800 / 750)
eRCMF
eRCMFconfig.properties
Enterprise.dat
VolumeSet.dat
Hosts.dat
Authentication.file
eRCMF
eRCMFconfig.properties
Enterprise.dat
VolumeSet.dat
Hosts.dat
Authentication.file
ESS Network Interface ESS Network Interface
WebSphere - HTTPS
eRCMF
eRCMFconfig.properties
Enterprise.dat
VolumeSet.dat
Hosts.dat
Authentication.file
eRCMF
eRCMFconfig.properties
Enterprise.dat
VolumeSet.dat
Hosts.dat
Authentication.file
ESS Network Interface ESS Network Interface
WebSphere - HTTPS
Management
Interface
SNMP
Listener
Backup process
(Master process)
Master process
(Backup process)
Shadow
Volumes
Shadow
Volumes
Host
Volumes
Host
Volumes
Host
Volumes
Shadow
Volumes