====== Infrastructure Changelog ======

This page documents changes to ABI's infrastructure -- server updates, software installations, configuration changes, maintenance events, and outages. Entries are in reverse chronological order (newest first).

IT team: please add an entry here whenever you make a significant change.

----

===== How to Log a Change =====

Copy the template below and paste it at the top of the current month's section:

<code>
=== YYYY-MM-DD : Short description ===

  * **What:** Describe what was changed.
  * **Why:** Reason for the change.
  * **Affected:** Which servers/services/users are affected.
  * **Downtime:** Yes/No. If yes, how long.
  * **Who:** Your name or initials.
</code>

----

===== 2026 =====

==== April 2026 ====

=== [wiki] 2026-04-08 : Wiki restructured ===

  * **What:** ABI Knowledge Base reorganized with new namespaces (getting_started, software, databases, pipelines) and improved content.
  * **Why:** Improve discoverability and onboarding for new members.
  * **Affected:** All wiki users. No data loss -- old pages still exist.
  * **Downtime:** No.
  * **Who:** [[user:antranigv|antranigv]]

----

===== Categories =====

For quick scanning, use these prefixes in your short description:

^ Prefix ^ Meaning ^ Example ^
| **[server]** | Physical host or VM change | [server] Upgraded thin-01 RAM to 512G |
| **[storage]** | ZFS/NFS/disk changes | [storage] Expanded cfdna project quota to 20TB |
| **[network]** | Network, firewall, DNS, DHCP | [network] Added VLAN for guest WiFi |
| **[software]** | Software installation or update | [software] Installed GATK 4.5.0 on compute nodes |
| **[slurm]** | Slurm configuration changes | [slurm] Added gpu partition |
| **[security]** | Security patches, certs, access | [security] Renewed LDAP TLS certificate |
| **[user]** | User/group/project management | [user] Created microbiome project group |
| **[outage]** | Unplanned downtime | [outage] thin-02 down due to memory fault |
| **[maintenance]** | Planned maintenance window | [maintenance] Rebooting geonosis for kernel update |
| **[backup]** | Backup-related changes | [backup] Added vine project to zelta backup |
| **[wiki]** | Wiki/documentation changes | [wiki] Added Slurm user guide |

----

===== See Also =====

  * [[infra:overview|Infrastructure Overview]]
  * [[infra:servers|Server Inventory]]
  * [[support:|Support & Contact]]