ASFS Fast-Gas Source Sync

• Source: aurora@100.124.55.22:/home/aurora/data/asfs/raw/crd
• Target raw directory: /project/aurora/raw/asfs/crd
• Target Zarr: /data/aurora/products/asfs_fast_gas/asfs_fast_gas.zarr

Current source files are chunked Campbell CRD TOA5 files matching aurora_asfs_data_fast_gas_YYYYMMDDHHMM.dat. The CRD mirror accepts files at or after 202605020000 and rescans a rolling ten-day window so recent in-place updates are recopied.

Authentication

The sync uses Tailscale SSH with private-key authentication disabled. No source private key is installed.

Timers

• aurora-asfs-fast-gas-source-sync.timer
• aurora-asfs-fast-gas-append.timer

Backup and retention

Only the fast-gas filename family is verified for this stream, although it shares /asfs/crd with science and fast-sonic files. Matching raw files are archived additively to GWS and object storage and kept on ASS for at least seven days. Deletion requires an exact signed permit backed by cloud, GWS, and object-store proof. The derived Zarr is not raw-retention evidence. See Backups and Archive Services.