ZFS SLOG vdev faulted
A ZIL log vdev (SLOG) is FAULTED or REMOVED. Sync-write durability for the pool is compromised until the SLOG is replaced.
Remediation
When this rule fires on one of your servers, the dashboard alert detail page renders the full remediation guidance: the command to run, what to verify after, and Furnace's annotation for your specific distro + hardware. Sign in at app.glassmkr.com to see the live alert.