1. Gluondb1 (online)
Resides on gluon25, own IP address
All data on local disk (1 TB of space)
Replicate all databases to gluondb2 for backup
Replicates some tables to Offline database machine, hallddb1
Accepts replication for some tables FROM hallddb1
Accepts MySQL connections from gluonweb1
Gluondb2 (online)
Resides on gluonXX, own IP address
All data on gluonfs1 (netapp)
Readonly replica of Gluondb1
Backups
Lock, Snapshot, Unlock (seconds)
Copy out of snapshot to /group/halld…
Hallddb1 (offline, onsite)
Accepts replication of some databases from online DB (gluondb1)
Replicates some databases to online DB (gluondb1)
Replicates some databases to offline/offsite DB (hallddbx1)
Accepts MySQL connections from onsite hosts
Hallddbx1 (offline, offsite)
Accepts replication from offline/onsite DB (hallddb1)
Accepts MySQL Connections from Internet.

2. ONLINE OFFLINE Gluondb1 DB on local disk Gluondb2 Hallddb1 Hallddbx1
Lock Tables
Snapshot
Unlock Tables
Copy Files
ONLINE
OFFLINE
MySQL replication of MOST(?) tables
MySQL replication of specific tables
MySQL replication of specific tables
Gluondb1
DB on local disk
Gluondb2
R/O database
DB on NetApp
Hallddb1
MySQL access by onsite clients
Hallddbx1
MySQL access by offsite clients
R/O database
MySQL replication of specific tables
i.e. (Calib)
MySQL Connection
MySQL Connection
MySQL Connection
Other onsite MySQL clients, Farm
Offsite MySQL clients
Gluonweb
Replica of Hall D wiki from Halldweb
Halldweb
CUE Web Server CNI VM
On Site/Offsite access
Hall D Wiki
http/https
http/https
Web Clients
On Site Only
Web Clients
On/Off Site

3. Gluonweb1
Resides on Gluon24, own IP address
RPM based
Apache, PHP, ?
Document root on gluonfs1
Document root access permissions controlled by Hall D
Configuration files maintained on CNI fileserver and synced over to local file system
Accessible from Hall D networks only – MAYBE access from everywhere onsite – TBD
Holds replica of WIKI from halldweb1 (offline webserver)