Backup Process - IBM System storage DS6000 Series Redbook

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.
Site 1 - Production
Storage Server (s)
FlashCopy
Shadow Host
Volumes Volumes
Journal
Volumes
AIX – Backup PCM
WebSphere - HTTPS
ESS Network Interface ESS Network Interface
eRCMF eRCMF
eRCMFconfig.properties eRCMFconfig.properties
Enterprise.dat Enterprise.dat
VolumeSet.dat VolumeSet.dat
Hosts.dat Hosts.dat
Authentication.file Authentication.file

Backup process

(Master process)
Figure 30-5 eRCMF Architecture: 2-site configuration
Metro Mirror, up to
103 km
Site 1 - Production
Storage Server(s)
Shadow Host
Volumes Volumes
FlashCopy
Copy Services
(CSServer on ESS 800 / 750)
AIX – Backup PCM
WebSphere - HTTPS
ESS Network Interface ESS Network Interface
eRCMF eRCMF
eRCMFconfig.properties eRCMFconfig.properties
Enterprise.dat Enterprise.dat
VolumeSet.dat VolumeSet.dat
Hosts.dat Hosts.dat
Authentication.file Authentication.file
Backup process
(Master process)
Figure 30-6 eRCMF Architecture: 3-site configuration
Metro Mirror, up to:
Global Copy, over:
103 km / 300 km
ESCON / FCP
Metro Mirror, Global Copy
Global Mirror
TCP/IP / SNMP
Management SNMP
Interface
Listener
/ 300 km
Site 2 - Backup
Storage Server(s)
ESCON
FCP
Host Shadow
Metro
Volumes FlashCopy Volumes
Mirror
Copy Services
TCP/IP
SNMP
Management SNMP
Interface
Listener
Chapter 30. IIBM TotalStorage Rapid Data Recovery
Site 2 - Backup
Storage Server (s)
Host
FlashCopy
Volumes
Journal
Volumes
AIX – Primary PCM
WebSphere - HTTPS
ESS Network Interface ESS Network Interface
eRCMF eRCMF
eRCMFconfig.properties eRCMFconfig.properties
Enterprise.dat Enterprise.dat
VolumeSet.dat VolumeSet.dat
Hosts.dat Hosts.dat
Authentication.file Authentication.file
Master process
(Backup process)
Global Copy, over
103 km / 300 km
Site 3 - Remote
Storage Server(s)
ESCON
FCP
Host
Volumes
Global
FlashCopy
Copy
Copy Services
(CSServer on ESS 800 / 750)
AIX – Primary PCM
WebSphere - HTTPS
ESS Network Interface ESS Network Interface
eRCMF eRCMF
eRCMFconfig.properties eRCMFconfig.properties
Enterprise.dat Enterprise.dat
VolumeSet.dat VolumeSet.dat
Hosts.dat Hosts.dat
Authentication.file Authentication.file
Master process
(Backup process)
Shadow Shadow
Volumes Volumes
Shadow
Volumes
463