Changes between Version 3 and Version 4 of MigrationFromEtch

Timestamp:

04/27/10 19:03:40 (3 years ago)

Author:

yitz (IP: 192.117.101.236)

Comment:

Added initial copy and rsync, as suggested by Ian

MigrationFromEtch

@@ -34 +34 @@
 === Migration plan - preparatory stage ===
  1. Formulate plan on how to communicate with users during the migration process; begin gathering required contact info if necessary
+ 1. Calculate the approximate size and rate of change of each type of data on the server
  1. Give preliminary notice to users and ask for feedback
  1. Configure domain name etch.haskell.org (will later become read-only copy and left active for a while as a backup)
@@ -41 +42 @@
  1. Install and perform basic configuration of all services
  1. Test all installed services
- 1. Write scripts to copy user accounts and home directories, and to verify
+ 1. Write scripts to copy user accounts and rsync home directories, and to verify
  1. Write scripts to copy project groups in /etc/group, and to verify
- 1. Write scripts to copy darcs repos from /srv/projects, and to verify
- 1. Write scripts to copy project data from /srv/code, and to verify
- 1. Write scripts to copy trac projects, and to verify
- 1. Write scripts to copy mailman lists, and to verify
- 1. Write scripts to copy Planet Haskell, and to verify
- 1. Write a script to make all user data and projects read-only, and to verify.
+ 1. Write scripts to rsync darcs repos from /srv/projects, and to verify
+ 1. Write scripts to rsync project data from /srv/code, and to verify
+ 1. Write scripts to rsync trac projects, and to verify
+ 1. Write scripts to copy mailman lists and rsync archives, and to verify
+ 1. Write scripts to rsync Planet Haskell, and to verify
+ 1. Write a script to make all user data and projects read-only (except mailman archives), and to verify.
  1. Write a script to *undo* making things read-only, in case of emergency.
  1. Test all scripts thoroughly
- 1. Fix a date for migration and give advance notice and instructions to users.
+ 1. Fix dates for beginning initial copy and final migration, and give advance notice and instructions to users.
  1. Transfer RT database and verify (as a dry run, go through the entire migration process just for RT)
  1. Move the rt domain
  1. After TTL, verify that RT is working on the new server
 
+=== Migration plan - Initial copy ===
+ 1. Run script to copy user accounts. Verify.
+ 1. Run script to copy /etc/group entries for projects. Verify.
+ 1. Run scripts to rsync home directories, darcs repos, project data, trac projects, mailman archives, and Planet data
+ 1. Monitor progress; update schedule and notify users as needed
+ 1. When completed, verify.
+
 === Migration plan - D-Day ===
  1. Notify users.
- 1. Make all user data and projects read-only. Verify.
- 1. Run scripts to copy user accounts and home directories. Verify.
- 1. Run scripts to copy darcs repos, project data, and Trac project. Verify.
+ 1. Stop the Planet Haskell hourly cron job.
+ 1. Run script to make all user data and projects read-only. Verify.
+ 1. If any user accounts or projects were added since initial copy began, add them.
+ 1. Run scripts to rsync home directories, darcs repos, project data, and Trac projects. Verify.
+ 1. Stop mailman service on etch.
+ 1. Run the scripts to rsync mailman archives. Verify.
  1. Move the domain CNAME for community, trac, projects, and code.
  1. After TTL, verify remotely that the domains moved and that services are working.
- 1. Notify users of current status. 
- 1. Run the scripts to copy mailman lists. Verify.
+ 1. Notify users of current status.
  1. Tell Ian and Malcolm to check their mail.
  1. Move the domain MX records.
- 1. Run the scripts to copy Planet Haskell. Verify.
+ 1. Run the scripts to rsync Planet Haskell. Verify.
  1. Move the planet domain.
+ 1. Start the Planet Haskell hourly cron job.
  1. After TTL, verify remotely that '''all''' domains are moved and that '''all''' services are working.
  1. Notify users and community.
@@ -77 +88 @@
  1. After a day or two, raise TTL back to normal levels on all domains
  1. After a month or two, delete the Etch server
-