Difference between revisions of "C.H.O. Migration Plan"
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(Copied an older version from the Trac wiki on c.h.o.) |
(This was outdated. Replaced all content with a link to CommunityMigration.) |
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| + | See [[CommunityMigration]]. |
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| − | == Migration From Etch == |
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| − | |||
| − | === Services to migrate === |
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| − | * RT |
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| − | * Trac |
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| − | * http |
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| − | * Exim |
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| − | * ClamAV |
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| − | * mrtg |
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| − | * darcs |
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| − | * ghc |
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| − | * mailman |
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| − | * nagios |
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| − | * planet |
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| − | |||
| − | === User data to be transfered === |
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| − | * User accounts and home directories |
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| − | * Project groups in /etc/group |
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| − | * Darcs repos from /srv/projects |
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| − | * Project data from /srv/code |
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| − | * Trac projects |
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| − | * Mailman lists |
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| − | * Planet Haskell |
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| − | * Physical mailboxes (igloo and malcolm) |
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| − | |||
| − | === Domains to be transferred === |
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| − | * community |
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| − | * code |
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| − | * rt |
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| − | * planet |
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| − | * trac |
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| − | * projects |
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| − | |||
| − | === Migration plan - preparatory stage === |
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| − | # Formulate plan on how to communicate with users during the migration process; begin gathering required contact info if necessary |
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| − | # Give preliminary notice to users and ask for feedback |
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| − | # Configure domain name etch.haskell.org (will later become read-only copy and left active for a while as a backup) |
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| − | # Set up an IRC channel for admins to coordinate during the migration process |
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| − | # Change TTL on all domains to be short |
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| − | # Provision the new server |
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| − | # Install and perform basic configuration of all services |
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| − | # Test all installed services |
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| − | # Write scripts to copy user accounts and home directories, and to verify |
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| − | # Write scripts to copy project groups in /etc/group, and to verify |
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| − | # Write scripts to copy darcs repos from /srv/projects, and to verify |
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| − | # Write scripts to copy project data from /srv/code, and to verify |
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| − | # Write scripts to copy trac projects, and to verify |
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| − | # Write scripts to copy mailman lists, and to verify |
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| − | # Write scripts to copy Planet Haskell, and to verify |
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| − | # Write a script to make all user data and projects read-only, and to verify. |
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| − | # Write a script to *undo* making things read-only, in case of emergency. |
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| − | # Test all scripts thoroughly |
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| − | # Fix a date for migration and give advance notice and instructions to users. |
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| − | # Transfer RT database and verify (as a dry run, go through the entire migration process just for RT) |
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| − | # Move the rt domain |
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| − | # After TTL, verify that RT is working on the new server |
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| − | |||
| − | === Migration plan - D-Day === |
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| − | # Notify users. |
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| − | # Make all user data and projects read-only. Verify. |
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| − | # Run scripts to copy user accounts and home directories. Verify. |
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| − | # Run scripts to copy darcs repos, project data, and Trac project. Verify. |
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| − | # Move the domain CNAME for community, trac, projects, and code. |
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| − | # After TTL, verify remotely that the domains moved and that services are working. |
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| − | # Notify users of current status. |
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| − | # Run the scripts to copy mailman lists. Verify. |
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| − | # Tell Ian and Malcolm to check their mail. |
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| − | # Move the domain MX records. |
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| − | # Run the scripts to copy Planet Haskell. Verify. |
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| − | # Move the planet domain. |
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| − | # After TTL, verify remotely that '''all''' domains are moved and that '''all''' services are working. |
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| − | # Notify users and community. |
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| − | |||
| − | === Post-migration tasks === |
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| − | # Monitor and tune settings of PostgreSQL for resource usage on the new server |
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| − | # Monitor and tune settings of Apache for resource usage on the new server |
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Revision as of 05:57, 30 January 2011
See CommunityMigration.