1. Overview of CUNY Aleph migration 18 -> 21

2. Aleph v21 Upgrade Phase 1- 3 Create v21 Environments
Phase 1: March/April 2014
Config / DB
Config / DB
U-Tree
Config / DB
TEST
Aleph 21
PROD Aleph 18
Config / DB
Phase 2:
July , 2014
STAGE
Aleph 21
Config / DB
Config / DB
PROD Aleph 21
Phase 3:
July , 2014

3. Aleph v21 Upgrade Phase 1 Copy v18 PROD Config / DB -> v21 STAGE Environment
March/April, 2014
PROD
Aleph 18 DB
OLS deploys Aleph v21 STAGE GUI clients for CUNY-wide testing / training late April, 2014
STAGE
Aleph 21

4. Aleph v21 Upgrade Phase 2 Copy v21 STAGE Config -> v21 PROD/TEST Environments
PROD Aleph 21
Config
STAGE
Aleph 21
Config
Phase 2:
July , 2014
TEST
Aleph 21

5. Aleph v21 Upgrade Phase 3 Copy Aleph v18 PROD DB -> v21 PROD DB -> v21 TEST
U-Tree DB
STAGE
Aleph 21
PROD
Aleph 18 DB
Phase 3: July
2014
PROD
Aleph 21
OLS deploys Aleph v21 PROD GUI clients for testing, July 11-18, 2014.
Cutover to v21 production July 21 DB
TEST
Aleph 21

6. Cutover to CUNY Aleph v21 July 10 - 21X
PROD Database
Aleph v18
PROD
Aleph v18
Aleph v18 database is READ ONLY
No transactions whatsoever: ACQ, CAT, CIRC, CAT, CR, ILL, data loads - ZIPPO
Circulation is offline only
OPAC is available for searching