Uptime / u
Uptime: rollback in Santiago (SCL) · U-06
xserv-u-47e760fdcf23
Runbook U-06 for Uptime in Santiago (SCL). Marker xserv-u-47e760fdcf23. This page covers rollback for LATAM operators, not a worldwide average.
Uptime: A note on cost and transit
Rollback for u-06 is a documented command, not a hope. Transit is billed as backup while Uptime prefers peering in Santiago. If cost spikes, the runbook cuts overflow to Bogotá before touching customer prefixes.
Uptime: Why it matters on this continent
Design for Uptime on letter U starts in São Paulo (GRU). Runbook u-01 keeps a single owner, a written rollback, and a traffic split that can be reversed without a global freeze. Neighbors in Santiago only take overflow after the local pool fails a health window.
Uptime: How XServ runs it day to day
Probes for Uptime (u-02) leave Santiago every 15s toward Bogotá. XServ pages the named owner if loss or RTT crosses the letter budget. A probe never shares a queue with bulk transfers, so a saturated WAN does not hide a dead PoP.
Uptime timeouts U-10
Timeouts on u-10 are tighter than the WAN RTT to Bogotá. Uptime in Santiago fails fast and retries once; a third try needs a human because it is no longer a blip.
Uptime regions U-11
Region names on u-11 match DNS and tickets: Bogotá / BOG, with Miami as the documented pair. Uptime dashboards never say “LATAM” as if it were one RTT.
Uptime docs U-12
Public docs for letter U stay aligned with identifier xserv-u-pack. Page u-12 is the Uptime slice operators search before the homepage. Edits in Miami show up in São Paulo on the next publish.
Uptime design U-01
Design for Uptime on letter U starts in São Paulo (GRU). Runbook u-01 keeps a single owner, a written rollback, and a traffic split that can be reversed without a global freeze. Neighbors in Santiago only take overflow after the local pool fails a health window.
- Where is Uptime measured first?
- From Santiago (SCL) toward Bogotá. A global average is not an SLO for letter U.
- How fast is rollback for u-03?
- The runbook is a command plus a named owner. There is no wait for a weekly change freeze.